| 1 | <?php
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| 2 | /**
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| 3 | * Theme, template, and stylesheet functions.
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| 4 | *
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| 5 | * @package WordPress
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| 6 | * @subpackage Template
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| 7 | */
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| 8 |
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| 9 | /**
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| 10 | * Retrieve name of the current stylesheet.
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| 11 | *
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| 12 | * The theme name that the administrator has currently set the front end theme
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| 13 | * as.
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| 14 | *
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| 15 | * For all extensive purposes, the template name and the stylesheet name are
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| 16 | * going to be the same for most cases.
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| 17 | *
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| 18 | * @since 1.5.0
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| 19 | * @uses apply_filters() Calls 'stylesheet' filter on stylesheet name.
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| 20 | *
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| 21 | * @return string Stylesheet name.
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| 22 | */
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| 23 | function get_stylesheet() {
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| 24 | return apply_filters('stylesheet', get_option('stylesheet'));
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| 25 | }
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| 26 |
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| 27 | /**
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| 28 | * Retrieve stylesheet directory path for current theme.
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| 29 | *
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| 30 | * @since 1.5.0
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| 31 | * @uses apply_filters() Calls 'stylesheet_directory' filter on stylesheet directory and theme name.
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| 32 | *
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| 33 | * @return string Path to current theme directory.
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| 34 | */
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| 35 | function get_stylesheet_directory() {
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| 36 | $stylesheet = get_stylesheet();
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| 37 | $stylesheet_dir = get_theme_root() . "/$stylesheet";
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| 38 | return apply_filters('stylesheet_directory', $stylesheet_dir, $stylesheet);
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| 39 | }
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| 40 |
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| 41 | /**
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| 42 | * Retrieve stylesheet directory URI.
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| 43 | *
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| 44 | * @since 1.5.0
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| 45 | *
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| 46 | * @return string
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| 47 | */
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| 48 | function get_stylesheet_directory_uri() {
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| 49 | $stylesheet = get_stylesheet();
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| 50 | $stylesheet_dir_uri = get_theme_root_uri() . "/$stylesheet";
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| 51 | return apply_filters('stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet);
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| 52 | }
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| 53 |
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| 54 | /**
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| 55 | * Retrieve URI of current theme stylesheet.
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| 56 | *
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| 57 | * The stylesheet file name is 'style.css' which is appended to {@link
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| 58 | * get_stylesheet_directory_uri() stylesheet directory URI} path.
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| 59 | *
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| 60 | * @since 1.5.0
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| 61 | * @uses apply_filters() Calls 'stylesheet_uri' filter on stylesheet URI path and stylesheet directory URI.
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| 62 | *
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| 63 | * @return string
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| 64 | */
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| 65 | function get_stylesheet_uri() {
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| 66 | $stylesheet_dir_uri = get_stylesheet_directory_uri();
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| 67 | $stylesheet_uri = $stylesheet_dir_uri . "/style.css";
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| 68 | return apply_filters('stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
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| 69 | }
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| 70 |
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| 71 | /**
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| 72 | * Retrieve localized stylesheet URI.
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| 73 | *
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| 74 | * The stylesheet directory for the localized stylesheet files are located, by
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| 75 | * default, in the base theme directory. The name of the locale file will be the
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| 76 | * locale followed by '.css'. If that does not exist, then the text direction
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| 77 | * stylesheet will be checked for existence, for example 'ltr.css'.
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| 78 | *
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| 79 | * The theme may change the location of the stylesheet directory by either using
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| 80 | * the 'stylesheet_directory_uri' filter or the 'locale_stylesheet_uri' filter.
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| 81 | * If you want to change the location of the stylesheet files for the entire
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| 82 | * WordPress workflow, then change the former. If you just have the locale in a
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| 83 | * separate folder, then change the latter.
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| 84 | *
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| 85 | * @since 2.1.0
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| 86 | * @uses apply_filters() Calls 'locale_stylesheet_uri' filter on stylesheet URI path and stylesheet directory URI.
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| 87 | *
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| 88 | * @return string
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| 89 | */
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| 90 | function get_locale_stylesheet_uri() {
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| 91 | global $wp_locale;
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| 92 | $stylesheet_dir_uri = get_stylesheet_directory_uri();
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| 93 | $dir = get_stylesheet_directory();
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| 94 | $locale = get_locale();
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| 95 | if ( file_exists("$dir/$locale.css") )
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| 96 | $stylesheet_uri = "$stylesheet_dir_uri/$locale.css";
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| 97 | elseif ( !empty($wp_locale->text_direction) && file_exists("$dir/{$wp_locale->text_direction}.css") )
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| 98 | $stylesheet_uri = "$stylesheet_dir_uri/{$wp_locale->text_direction}.css";
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| 99 | else
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| 100 | $stylesheet_uri = '';
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| 101 | return apply_filters('locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
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| 102 | }
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| 103 |
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| 104 | /**
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| 105 | * Retrieve name of the current theme.
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| 106 | *
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| 107 | * @since 1.5.0
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| 108 | * @uses apply_filters() Calls 'template' filter on template option.
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| 109 | *
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| 110 | * @return string Template name.
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| 111 | */
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| 112 | function get_template() {
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| 113 | return apply_filters('template', get_option('template'));
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| 114 | }
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| 115 |
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| 116 | /**
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| 117 | * Retrieve current theme directory.
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| 118 | *
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| 119 | * @since 1.5.0
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| 120 | * @uses apply_filters() Calls 'template_directory' filter on template directory path and template name.
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| 121 | *
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| 122 | * @return string Template directory path.
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| 123 | */
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| 124 | function get_template_directory() {
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| 125 | $template = get_template();
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| 126 | $template_dir = get_theme_root() . "/$template";
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| 127 | return apply_filters('template_directory', $template_dir, $template);
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| 128 | }
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| 129 |
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| 130 | /**
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| 131 | * Retrieve theme directory URI.
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| 132 | *
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| 133 | * @since 1.5.0
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| 134 | * @uses apply_filters() Calls 'template_directory_uri' filter on template directory URI path and template name.
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| 135 | *
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| 136 | * @return string Template directory URI.
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| 137 | */
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| 138 | function get_template_directory_uri() {
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| 139 | $template = get_template();
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| 140 | $template_dir_uri = get_theme_root_uri() . "/$template";
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| 141 | return apply_filters('template_directory_uri', $template_dir_uri, $template);
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| 142 | }
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| 143 |
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| 144 | /**
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| 145 | * Retrieve theme data from parsed theme file.
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| 146 | *
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| 147 | * The description will have the tags filtered with the following HTML elements
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| 148 | * whitelisted. The <b>'a'</b> element with the <em>href</em> and <em>title</em>
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| 149 | * attributes. The <b>abbr</b> element with the <em>title</em> attribute. The
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| 150 | * <b>acronym<b> element with the <em>title</em> attribute allowed. The
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| 151 | * <b>code</b>, <b>em</b>, and <b>strong</b> elements also allowed.
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| 152 | *
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| 153 | * The style.css file must contain theme name, theme URI, and description. The
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| 154 | * data can also contain author URI, author, template (parent template),
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| 155 | * version, status, and finally tags. Some of these are not used by WordPress
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| 156 | * administration panels, but are used by theme directory web sites which list
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| 157 | * the theme.
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| 158 | *
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| 159 | * @since 1.5.0
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| 160 | *
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| 161 | * @param string $theme_file Theme file path.
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| 162 | * @return array Theme data.
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| 163 | */
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| 164 | function get_theme_data( $theme_file ) {
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| 165 | $themes_allowed_tags = array(
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| 166 | 'a' => array(
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| 167 | 'href' => array(),'title' => array()
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| 168 | ),
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| 169 | 'abbr' => array(
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| 170 | 'title' => array()
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| 171 | ),
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| 172 | 'acronym' => array(
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| 173 | 'title' => array()
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| 174 | ),
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| 175 | 'code' => array(),
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| 176 | 'em' => array(),
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| 177 | 'strong' => array()
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| 178 | );
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| 179 |
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| 180 | $theme_data = implode( '', file( $theme_file ) );
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| 181 | $theme_data = str_replace ( '\r', '\n', $theme_data );
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| 182 | if ( preg_match( '|Theme Name:(.*)$|mi', $theme_data, $theme_name ) )
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| 183 | $name = $theme = wp_kses( _cleanup_header_comment($theme_name[1]), $themes_allowed_tags );
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| 184 | else
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| 185 | $name = $theme = '';
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| 186 |
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| 187 | if ( preg_match( '|Theme URI:(.*)$|mi', $theme_data, $theme_uri ) )
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| 188 | $theme_uri = esc_url( _cleanup_header_comment($theme_uri[1]) );
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| 189 | else
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| 190 | $theme_uri = '';
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| 191 |
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| 192 | if ( preg_match( '|Description:(.*)$|mi', $theme_data, $description ) )
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| 193 | $description = wptexturize( wp_kses( _cleanup_header_comment($description[1]), $themes_allowed_tags ) );
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| 194 | else
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| 195 | $description = '';
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| 196 |
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| 197 | if ( preg_match( '|Author URI:(.*)$|mi', $theme_data, $author_uri ) )
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| 198 | $author_uri = esc_url( _cleanup_header_comment($author_uri[1]) );
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| 199 | else
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| 200 | $author_uri = '';
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| 201 |
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| 202 | if ( preg_match( '|Template:(.*)$|mi', $theme_data, $template ) )
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| 203 | $template = wp_kses( _cleanup_header_comment($template[1]), $themes_allowed_tags );
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| 204 | else
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| 205 | $template = '';
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| 206 |
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| 207 | if ( preg_match( '|Version:(.*)|i', $theme_data, $version ) )
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| 208 | $version = wp_kses( _cleanup_header_comment($version[1]), $themes_allowed_tags );
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| 209 | else
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| 210 | $version = '';
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| 211 |
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| 212 | if ( preg_match('|Status:(.*)|i', $theme_data, $status) )
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| 213 | $status = wp_kses( _cleanup_header_comment($status[1]), $themes_allowed_tags );
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| 214 | else
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| 215 | $status = 'publish';
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| 216 |
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| 217 | if ( preg_match('|Tags:(.*)|i', $theme_data, $tags) )
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| 218 | $tags = array_map( 'trim', explode( ',', wp_kses( _cleanup_header_comment($tags[1]), array() ) ) );
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| 219 | else
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| 220 | $tags = array();
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| 221 |
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| 222 | if ( preg_match( '|Author:(.*)$|mi', $theme_data, $author_name ) ) {
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| 223 | if ( empty( $author_uri ) ) {
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| 224 | $author = wp_kses( _cleanup_header_comment($author_name[1]), $themes_allowed_tags );
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| 225 | } else {
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| 226 | $author = sprintf( '<a href="%1$s" title="%2$s">%3$s</a>', $author_uri, __( 'Visit author homepage' ), wp_kses( _cleanup_header_comment($author_name[1]), $themes_allowed_tags ) );
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| 227 | }
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| 228 | } else {
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| 229 | $author = __('Anonymous');
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| 230 | }
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| 231 |
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| 232 | return array( 'Name' => $name, 'Title' => $theme, 'URI' => $theme_uri, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template, 'Status' => $status, 'Tags' => $tags );
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| 233 | }
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| 234 |
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| 235 | /**
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| 236 | * Retrieve list of themes with theme data in theme directory.
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| 237 | *
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| 238 | * The theme is broken, if it doesn't have a parent theme and is missing either
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| 239 | * style.css and, or index.php. If the theme has a parent theme then it is
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| 240 | * broken, if it is missing style.css; index.php is optional. The broken theme
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| 241 | * list is saved in the {@link $wp_broken_themes} global, which is displayed on
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| 242 | * the theme list in the administration panels.
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| 243 | *
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| 244 | * @since 1.5.0
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| 245 | * @global array $wp_broken_themes Stores the broken themes.
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| 246 | * @global array $wp_themes Stores the working themes.
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| 247 | *
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| 248 | * @return array Theme list with theme data.
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| 249 | */
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| 250 | function get_themes() {
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| 251 | global $wp_themes, $wp_broken_themes;
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| 252 |
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| 253 | if ( isset($wp_themes) )
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| 254 | return $wp_themes;
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| 255 |
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| 256 | $themes = array();
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| 257 | $wp_broken_themes = array();
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| 258 | $theme_loc = $theme_root = get_theme_root();
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| 259 | if ( '/' != WP_CONTENT_DIR ) // don't want to replace all forward slashes, see Trac #4541
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| 260 | $theme_loc = str_replace(WP_CONTENT_DIR, '', $theme_root);
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| 261 |
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| 262 | // Files in wp-content/themes directory and one subdir down
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| 263 | $themes_dir = @ opendir($theme_root);
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| 264 | if ( !$themes_dir )
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| 265 | return false;
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| 266 |
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| 267 | while ( ($theme_dir = readdir($themes_dir)) !== false ) {
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| 268 | if ( is_dir($theme_root . '/' . $theme_dir) && is_readable($theme_root . '/' . $theme_dir) ) {
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| 269 | if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' )
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| 270 | continue;
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| 271 | $stylish_dir = @ opendir($theme_root . '/' . $theme_dir);
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| 272 | $found_stylesheet = false;
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| 273 | while ( ($theme_file = readdir($stylish_dir)) !== false ) {
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| 274 | if ( $theme_file == 'style.css' ) {
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| 275 | $theme_files[] = $theme_dir . '/' . $theme_file;
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| 276 | $found_stylesheet = true;
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| 277 | break;
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| 278 | }
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| 279 | }
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| 280 | @closedir($stylish_dir);
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| 281 | if ( !$found_stylesheet ) { // look for themes in that dir
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| 282 | $subdir = "$theme_root/$theme_dir";
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| 283 | $subdir_name = $theme_dir;
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| 284 | $theme_subdir = @ opendir( $subdir );
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| 285 | while ( ($theme_dir = readdir($theme_subdir)) !== false ) {
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| 286 | if ( is_dir( $subdir . '/' . $theme_dir) && is_readable($subdir . '/' . $theme_dir) ) {
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| 287 | if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' )
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| 288 | continue;
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| 289 | $stylish_dir = @ opendir($subdir . '/' . $theme_dir);
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| 290 | $found_stylesheet = false;
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| 291 | while ( ($theme_file = readdir($stylish_dir)) !== false ) {
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| 292 | if ( $theme_file == 'style.css' ) {
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| 293 | $theme_files[] = $subdir_name . '/' . $theme_dir . '/' . $theme_file;
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| 294 | $found_stylesheet = true;
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| 295 | break;
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| 296 | }
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| 297 | }
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| 298 | @closedir($stylish_dir);
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| 299 | }
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| 300 | }
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| 301 | @closedir($theme_subdir);
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| 302 | $wp_broken_themes[$theme_dir] = array('Name' => $theme_dir, 'Title' => $theme_dir, 'Description' => __('Stylesheet is missing.'));
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| 303 | }
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| 304 | }
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| 305 | }
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| 306 | if ( is_dir( $theme_dir ) )
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| 307 | @closedir( $theme_dir );
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| 308 |
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| 309 | if ( !$themes_dir || !$theme_files )
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| 310 | return $themes;
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| 311 |
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| 312 | sort($theme_files);
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| 313 |
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| 314 | foreach ( (array) $theme_files as $theme_file ) {
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| 315 | if ( !is_readable("$theme_root/$theme_file") ) {
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| 316 | $wp_broken_themes[$theme_file] = array('Name' => $theme_file, 'Title' => $theme_file, 'Description' => __('File not readable.'));
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| 317 | continue;
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| 318 | }
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| 319 |
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| 320 | $theme_data = get_theme_data("$theme_root/$theme_file");
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| 321 |
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| 322 | $name = $theme_data['Name'];
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| 323 | $title = $theme_data['Title'];
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| 324 | $description = wptexturize($theme_data['Description']);
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| 325 | $version = $theme_data['Version'];
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| 326 | $author = $theme_data['Author'];
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| 327 | $template = $theme_data['Template'];
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| 328 | $stylesheet = dirname($theme_file);
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| 329 |
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| 330 | $screenshot = false;
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| 331 | foreach ( array('png', 'gif', 'jpg', 'jpeg') as $ext ) {
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| 332 | if (file_exists("$theme_root/$stylesheet/screenshot.$ext")) {
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| 333 | $screenshot = "screenshot.$ext";
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| 334 | break;
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| 335 | }
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| 336 | }
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| 337 |
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| 338 | if ( empty($name) ) {
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| 339 | $name = dirname($theme_file);
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| 340 | $title = $name;
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| 341 | }
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| 342 |
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| 343 | if ( empty($template) ) {
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| 344 | if ( file_exists(dirname("$theme_root/$theme_file/index.php")) )
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| 345 | $template = dirname($theme_file);
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| 346 | else
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| 347 | continue;
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| 348 | }
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| 349 |
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| 350 | $template = trim($template);
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| 351 |
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| 352 | if ( !file_exists("$theme_root/$template/index.php") ) {
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| 353 | $parent_dir = dirname(dirname($theme_file));
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| 354 | if ( file_exists("$theme_root/$parent_dir/$template/index.php") ) {
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| 355 | $template = "$parent_dir/$template";
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| 356 | } else {
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| 357 | $wp_broken_themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => __('Template is missing.'));
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| 358 | continue;
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| 359 | }
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| 360 | }
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| 361 |
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| 362 | $stylesheet_files = array();
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| 363 | $template_files = array();
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| 364 |
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| 365 | $stylesheet_dir = @ dir("$theme_root/$stylesheet");
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| 366 | if ( $stylesheet_dir ) {
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| 367 | while ( ($file = $stylesheet_dir->read()) !== false ) {
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| 368 | if ( !preg_match('|^\.+$|', $file) ) {
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| 369 | if ( preg_match('|\.css$|', $file) )
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| 370 | $stylesheet_files[] = "$theme_loc/$stylesheet/$file";
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| 371 | elseif ( preg_match('|\.php$|', $file) )
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| 372 | $template_files[] = "$theme_loc/$stylesheet/$file";
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| 373 | }
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| 374 | }
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| 375 | @ $stylesheet_dir->close();
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| 376 | }
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| 377 |
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| 378 | $template_dir = @ dir("$theme_root/$template");
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| 379 | if ( $template_dir ) {
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| 380 | while ( ($file = $template_dir->read()) !== false ) {
|
|---|
| 381 | if ( preg_match('|^\.+$|', $file) )
|
|---|
| 382 | continue;
|
|---|
| 383 | if ( preg_match('|\.php$|', $file) ) {
|
|---|
| 384 | $template_files[] = "$theme_loc/$template/$file";
|
|---|
| 385 | } elseif ( is_dir("$theme_root/$template/$file") ) {
|
|---|
| 386 | $template_subdir = @ dir("$theme_root/$template/$file");
|
|---|
| 387 | while ( ($subfile = $template_subdir->read()) !== false ) {
|
|---|
| 388 | if ( preg_match('|^\.+$|', $subfile) )
|
|---|
| 389 | continue;
|
|---|
| 390 | if ( preg_match('|\.php$|', $subfile) )
|
|---|
| 391 | $template_files[] = "$theme_loc/$template/$file/$subfile";
|
|---|
| 392 | }
|
|---|
| 393 | @ $template_subdir->close();
|
|---|
| 394 | }
|
|---|
| 395 | }
|
|---|
| 396 | @ $template_dir->close();
|
|---|
| 397 | }
|
|---|
| 398 |
|
|---|
| 399 | $template_dir = dirname($template_files[0]);
|
|---|
| 400 | $stylesheet_dir = dirname($stylesheet_files[0]);
|
|---|
| 401 |
|
|---|
| 402 | if ( empty($template_dir) )
|
|---|
| 403 | $template_dir = '/';
|
|---|
| 404 | if ( empty($stylesheet_dir) )
|
|---|
| 405 | $stylesheet_dir = '/';
|
|---|
| 406 |
|
|---|
| 407 | // Check for theme name collision. This occurs if a theme is copied to
|
|---|
| 408 | // a new theme directory and the theme header is not updated. Whichever
|
|---|
| 409 | // theme is first keeps the name. Subsequent themes get a suffix applied.
|
|---|
| 410 | // The Default and Classic themes always trump their pretenders.
|
|---|
| 411 | if ( isset($themes[$name]) ) {
|
|---|
| 412 | if ( ('WordPress Default' == $name || 'WordPress Classic' == $name) &&
|
|---|
| 413 | ('default' == $stylesheet || 'classic' == $stylesheet) ) {
|
|---|
| 414 | // If another theme has claimed to be one of our default themes, move
|
|---|
| 415 | // them aside.
|
|---|
| 416 | $suffix = $themes[$name]['Stylesheet'];
|
|---|
| 417 | $new_name = "$name/$suffix";
|
|---|
| 418 | $themes[$new_name] = $themes[$name];
|
|---|
| 419 | $themes[$new_name]['Name'] = $new_name;
|
|---|
| 420 | } else {
|
|---|
| 421 | $name = "$name/$stylesheet";
|
|---|
| 422 | }
|
|---|
| 423 | }
|
|---|
| 424 |
|
|---|
| 425 | $themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template, 'Stylesheet' => $stylesheet, 'Template Files' => $template_files, 'Stylesheet Files' => $stylesheet_files, 'Template Dir' => $template_dir, 'Stylesheet Dir' => $stylesheet_dir, 'Status' => $theme_data['Status'], 'Screenshot' => $screenshot, 'Tags' => $theme_data['Tags']);
|
|---|
| 426 | }
|
|---|
| 427 |
|
|---|
| 428 | // Resolve theme dependencies.
|
|---|
| 429 | $theme_names = array_keys($themes);
|
|---|
| 430 |
|
|---|
| 431 | foreach ( (array) $theme_names as $theme_name ) {
|
|---|
| 432 | $themes[$theme_name]['Parent Theme'] = '';
|
|---|
| 433 | if ( $themes[$theme_name]['Stylesheet'] != $themes[$theme_name]['Template'] ) {
|
|---|
| 434 | foreach ( (array) $theme_names as $parent_theme_name ) {
|
|---|
| 435 | if ( ($themes[$parent_theme_name]['Stylesheet'] == $themes[$parent_theme_name]['Template']) && ($themes[$parent_theme_name]['Template'] == $themes[$theme_name]['Template']) ) {
|
|---|
| 436 | $themes[$theme_name]['Parent Theme'] = $themes[$parent_theme_name]['Name'];
|
|---|
| 437 | break;
|
|---|
| 438 | }
|
|---|
| 439 | }
|
|---|
| 440 | }
|
|---|
| 441 | }
|
|---|
| 442 |
|
|---|
| 443 | $wp_themes = $themes;
|
|---|
| 444 |
|
|---|
| 445 | return $themes;
|
|---|
| 446 | }
|
|---|
| 447 |
|
|---|
| 448 | /**
|
|---|
| 449 | * Retrieve theme data.
|
|---|
| 450 | *
|
|---|
| 451 | * @since 1.5.0
|
|---|
| 452 | *
|
|---|
| 453 | * @param string $theme Theme name.
|
|---|
| 454 | * @return array|null Null, if theme name does not exist. Theme data, if exists.
|
|---|
| 455 | */
|
|---|
| 456 | function get_theme($theme) {
|
|---|
| 457 | $themes = get_themes();
|
|---|
| 458 |
|
|---|
| 459 | if ( array_key_exists($theme, $themes) )
|
|---|
| 460 | return $themes[$theme];
|
|---|
| 461 |
|
|---|
| 462 | return null;
|
|---|
| 463 | }
|
|---|
| 464 |
|
|---|
| 465 | /**
|
|---|
| 466 | * Retrieve current theme display name.
|
|---|
| 467 | *
|
|---|
| 468 | * If the 'current_theme' option has already been set, then it will be returned
|
|---|
| 469 | * instead. If it is not set, then each theme will be iterated over until both
|
|---|
| 470 | * the current stylesheet and current template name.
|
|---|
| 471 | *
|
|---|
| 472 | * @since 1.5.0
|
|---|
| 473 | *
|
|---|
| 474 | * @return string
|
|---|
| 475 | */
|
|---|
| 476 | function get_current_theme() {
|
|---|
| 477 | if ( $theme = get_option('current_theme') )
|
|---|
| 478 | return $theme;
|
|---|
| 479 |
|
|---|
| 480 | $themes = get_themes();
|
|---|
| 481 | $theme_names = array_keys($themes);
|
|---|
| 482 | $current_template = get_option('template');
|
|---|
| 483 | $current_stylesheet = get_option('stylesheet');
|
|---|
| 484 | $current_theme = 'WordPress Default';
|
|---|
| 485 |
|
|---|
| 486 | if ( $themes ) {
|
|---|
| 487 | foreach ( (array) $theme_names as $theme_name ) {
|
|---|
| 488 | if ( $themes[$theme_name]['Stylesheet'] == $current_stylesheet &&
|
|---|
| 489 | $themes[$theme_name]['Template'] == $current_template ) {
|
|---|
| 490 | $current_theme = $themes[$theme_name]['Name'];
|
|---|
| 491 | break;
|
|---|
| 492 | }
|
|---|
| 493 | }
|
|---|
| 494 | }
|
|---|
| 495 |
|
|---|
| 496 | update_option('current_theme', $current_theme);
|
|---|
| 497 |
|
|---|
| 498 | return $current_theme;
|
|---|
| 499 | }
|
|---|
| 500 |
|
|---|
| 501 | /**
|
|---|
| 502 | * Retrieve path to themes directory.
|
|---|
| 503 | *
|
|---|
| 504 | * Does not have trailing slash.
|
|---|
| 505 | *
|
|---|
| 506 | * @since 1.5.0
|
|---|
| 507 | * @uses apply_filters() Calls 'theme_root' filter on path.
|
|---|
| 508 | *
|
|---|
| 509 | * @return string Theme path.
|
|---|
| 510 | */
|
|---|
| 511 | function get_theme_root() {
|
|---|
| 512 | return apply_filters('theme_root', WP_CONTENT_DIR . "/themes");
|
|---|
| 513 | }
|
|---|
| 514 |
|
|---|
| 515 | /**
|
|---|
| 516 | * Retrieve URI for themes directory.
|
|---|
| 517 | *
|
|---|
| 518 | * Does not have trailing slash.
|
|---|
| 519 | *
|
|---|
| 520 | * @since 1.5.0
|
|---|
| 521 | *
|
|---|
| 522 | * @return string Themes URI.
|
|---|
| 523 | */
|
|---|
| 524 | function get_theme_root_uri() {
|
|---|
| 525 | return apply_filters('theme_root_uri', content_url('themes'), get_option('siteurl'));
|
|---|
| 526 | }
|
|---|
| 527 |
|
|---|
| 528 | /**
|
|---|
| 529 | * Retrieve path to file without the use of extension.
|
|---|
| 530 | *
|
|---|
| 531 | * Used to quickly retrieve the path of file without including the file
|
|---|
| 532 | * extension. It will also check the parent template, if the file exists, with
|
|---|
| 533 | * the use of {@link locate_template()}. Allows for more generic file location
|
|---|
| 534 | * without the use of the other get_*_template() functions.
|
|---|
| 535 | *
|
|---|
| 536 | * Can be used with include() or require() to retrieve path.
|
|---|
| 537 | * <code>
|
|---|
| 538 | * if( '' != get_query_template( '404' ) )
|
|---|
| 539 | * include( get_query_template( '404' ) );
|
|---|
| 540 | * </code>
|
|---|
| 541 | * or the same can be accomplished with
|
|---|
| 542 | * <code>
|
|---|
| 543 | * if( '' != get_404_template() )
|
|---|
| 544 | * include( get_404_template() );
|
|---|
| 545 | * </code>
|
|---|
| 546 | *
|
|---|
| 547 | * @since 1.5.0
|
|---|
| 548 | *
|
|---|
| 549 | * @param string $type Filename without extension.
|
|---|
| 550 | * @return string Full path to file.
|
|---|
| 551 | */
|
|---|
| 552 | function get_query_template($type) {
|
|---|
| 553 | $type = preg_replace( '|[^a-z0-9-]+|', '', $type );
|
|---|
| 554 | return apply_filters("{$type}_template", locate_template(array("{$type}.php")));
|
|---|
| 555 | }
|
|---|
| 556 |
|
|---|
| 557 | /**
|
|---|
| 558 | * Retrieve path of 404 template in current or parent template.
|
|---|
| 559 | *
|
|---|
| 560 | * @since 1.5.0
|
|---|
| 561 | *
|
|---|
| 562 | * @return string
|
|---|
| 563 | */
|
|---|
| 564 | function get_404_template() {
|
|---|
| 565 | return get_query_template('404');
|
|---|
| 566 | }
|
|---|
| 567 |
|
|---|
| 568 | /**
|
|---|
| 569 | * Retrieve path of archive template in current or parent template.
|
|---|
| 570 | *
|
|---|
| 571 | * @since 1.5.0
|
|---|
| 572 | *
|
|---|
| 573 | * @return string
|
|---|
| 574 | */
|
|---|
| 575 | function get_archive_template() {
|
|---|
| 576 | return get_query_template('archive');
|
|---|
| 577 | }
|
|---|
| 578 |
|
|---|
| 579 | /**
|
|---|
| 580 | * Retrieve path of author template in current or parent template.
|
|---|
| 581 | *
|
|---|
| 582 | * @since 1.5.0
|
|---|
| 583 | *
|
|---|
| 584 | * @return string
|
|---|
| 585 | */
|
|---|
| 586 | function get_author_template() {
|
|---|
| 587 | return get_query_template('author');
|
|---|
| 588 | }
|
|---|
| 589 |
|
|---|
| 590 | /**
|
|---|
| 591 | * Retrieve path of category template in current or parent template.
|
|---|
| 592 | *
|
|---|
| 593 | * Works by retrieving the current category ID, for example 'category-1.php' and
|
|---|
| 594 | * will fallback to category.php template, if the ID category file doesn't
|
|---|
| 595 | * exist.
|
|---|
| 596 | *
|
|---|
| 597 | * @since 1.5.0
|
|---|
| 598 | * @uses apply_filters() Calls 'category_template' on file path of category template.
|
|---|
| 599 | *
|
|---|
| 600 | * @return string
|
|---|
| 601 | */
|
|---|
| 602 | function get_category_template() {
|
|---|
| 603 | $template = locate_template(array("category-" . absint( get_query_var('cat') ) . '.php', 'category.php'));
|
|---|
| 604 | return apply_filters('category_template', $template);
|
|---|
| 605 | }
|
|---|
| 606 |
|
|---|
| 607 | /**
|
|---|
| 608 | * Retrieve path of tag template in current or parent template.
|
|---|
| 609 | *
|
|---|
| 610 | * Works by retrieving the current tag name, for example 'tag-wordpress.php' and will
|
|---|
| 611 | * fallback to tag.php template, if the name tag file doesn't exist.
|
|---|
| 612 | *
|
|---|
| 613 | * @since 2.3.0
|
|---|
| 614 | * @uses apply_filters() Calls 'tag_template' on file path of tag template.
|
|---|
| 615 | *
|
|---|
| 616 | * @return string
|
|---|
| 617 | */
|
|---|
| 618 | function get_tag_template() {
|
|---|
| 619 | $template = locate_template(array("tag-" . get_query_var('tag') . '.php', 'tag.php'));
|
|---|
| 620 | return apply_filters('tag_template', $template);
|
|---|
| 621 | }
|
|---|
| 622 |
|
|---|
| 623 | /**
|
|---|
| 624 | * Retrieve path of taxonomy template in current or parent template.
|
|---|
| 625 | *
|
|---|
| 626 | * Retrieves the taxonomy and term, if term is available. The template is
|
|---|
| 627 | * prepended with 'taxonomy-' and followed by both the taxonomy string and
|
|---|
| 628 | * the taxonomy string followed by a dash and then followed by the term.
|
|---|
| 629 | *
|
|---|
| 630 | * The taxonomy and term template is checked and used first, if it exists.
|
|---|
| 631 | * Second, just the taxonomy template is checked, and then finally, taxonomy.php
|
|---|
| 632 | * template is used. If none of the files exist, then it will fall back on to
|
|---|
| 633 | * index.php.
|
|---|
| 634 | *
|
|---|
| 635 | * @since unknown (2.6.0 most likely)
|
|---|
| 636 | * @uses apply_filters() Calls 'taxonomy_template' filter on found path.
|
|---|
| 637 | *
|
|---|
| 638 | * @return string
|
|---|
| 639 | */
|
|---|
| 640 | function get_taxonomy_template() {
|
|---|
| 641 | $taxonomy = get_query_var('taxonomy');
|
|---|
| 642 | $term = get_query_var('term');
|
|---|
| 643 |
|
|---|
| 644 | $templates = array();
|
|---|
| 645 | if ( $taxonomy && $term )
|
|---|
| 646 | $templates[] = "taxonomy-$taxonomy-$term.php";
|
|---|
| 647 | if ( $taxonomy )
|
|---|
| 648 | $templates[] = "taxonomy-$taxonomy.php";
|
|---|
| 649 |
|
|---|
| 650 | $templates[] = "taxonomy.php";
|
|---|
| 651 |
|
|---|
| 652 | $template = locate_template($templates);
|
|---|
| 653 | return apply_filters('taxonomy_template', $template);
|
|---|
| 654 | }
|
|---|
| 655 |
|
|---|
| 656 | /**
|
|---|
| 657 | * Retrieve path of date template in current or parent template.
|
|---|
| 658 | *
|
|---|
| 659 | * @since 1.5.0
|
|---|
| 660 | *
|
|---|
| 661 | * @return string
|
|---|
| 662 | */
|
|---|
| 663 | function get_date_template() {
|
|---|
| 664 | return get_query_template('date');
|
|---|
| 665 | }
|
|---|
| 666 |
|
|---|
| 667 | /**
|
|---|
| 668 | * Retrieve path of home template in current or parent template.
|
|---|
| 669 | *
|
|---|
| 670 | * Attempts to locate 'home.php' first before falling back to 'index.php'.
|
|---|
| 671 | *
|
|---|
| 672 | * @since 1.5.0
|
|---|
| 673 | * @uses apply_filters() Calls 'home_template' on file path of home template.
|
|---|
| 674 | *
|
|---|
| 675 | * @return string
|
|---|
| 676 | */
|
|---|
| 677 | function get_home_template() {
|
|---|
| 678 | $template = locate_template(array('home.php', 'index.php'));
|
|---|
| 679 | return apply_filters('home_template', $template);
|
|---|
| 680 | }
|
|---|
| 681 |
|
|---|
| 682 | /**
|
|---|
| 683 | * Retrieve path of page template in current or parent template.
|
|---|
| 684 | *
|
|---|
| 685 | * First attempt is to look for the file in the '_wp_page_template' page meta
|
|---|
| 686 | * data. The second attempt, if the first has a file and is not empty, is to
|
|---|
| 687 | * look for 'page.php'.
|
|---|
| 688 | *
|
|---|
| 689 | * @since 1.5.0
|
|---|
| 690 | *
|
|---|
| 691 | * @return string
|
|---|
| 692 | */
|
|---|
| 693 | function get_page_template() {
|
|---|
| 694 | global $wp_query;
|
|---|
| 695 |
|
|---|
| 696 | $id = (int) $wp_query->post->ID;
|
|---|
| 697 | $template = get_post_meta($id, '_wp_page_template', true);
|
|---|
| 698 |
|
|---|
| 699 | if ( 'default' == $template )
|
|---|
| 700 | $template = '';
|
|---|
| 701 |
|
|---|
| 702 | $templates = array();
|
|---|
| 703 | if ( !empty($template) && !validate_file($template) )
|
|---|
| 704 | $templates[] = $template;
|
|---|
| 705 |
|
|---|
| 706 | $templates[] = "page.php";
|
|---|
| 707 |
|
|---|
| 708 | return apply_filters('page_template', locate_template($templates));
|
|---|
| 709 | }
|
|---|
| 710 |
|
|---|
| 711 | /**
|
|---|
| 712 | * Retrieve path of paged template in current or parent template.
|
|---|
| 713 | *
|
|---|
| 714 | * @since 1.5.0
|
|---|
| 715 | *
|
|---|
| 716 | * @return string
|
|---|
| 717 | */
|
|---|
| 718 | function get_paged_template() {
|
|---|
| 719 | return get_query_template('paged');
|
|---|
| 720 | }
|
|---|
| 721 |
|
|---|
| 722 | /**
|
|---|
| 723 | * Retrieve path of search template in current or parent template.
|
|---|
| 724 | *
|
|---|
| 725 | * @since 1.5.0
|
|---|
| 726 | *
|
|---|
| 727 | * @return string
|
|---|
| 728 | */
|
|---|
| 729 | function get_search_template() {
|
|---|
| 730 | return get_query_template('search');
|
|---|
| 731 | }
|
|---|
| 732 |
|
|---|
| 733 | /**
|
|---|
| 734 | * Retrieve path of single template in current or parent template.
|
|---|
| 735 | *
|
|---|
| 736 | * @since 1.5.0
|
|---|
| 737 | *
|
|---|
| 738 | * @return string
|
|---|
| 739 | */
|
|---|
| 740 | function get_single_template() {
|
|---|
| 741 | return get_query_template('single');
|
|---|
| 742 | }
|
|---|
| 743 |
|
|---|
| 744 | /**
|
|---|
| 745 | * Retrieve path of attachment template in current or parent template.
|
|---|
| 746 | *
|
|---|
| 747 | * The attachment path first checks if the first part of the mime type exists.
|
|---|
| 748 | * The second check is for the second part of the mime type. The last check is
|
|---|
| 749 | * for both types separated by an underscore. If neither are found then the file
|
|---|
| 750 | * 'attachment.php' is checked and returned.
|
|---|
| 751 | *
|
|---|
| 752 | * Some examples for the 'text/plain' mime type are 'text.php', 'plain.php', and
|
|---|
| 753 | * finally 'text_plain.php'.
|
|---|
| 754 | *
|
|---|
| 755 | * @since 2.0.0
|
|---|
| 756 | *
|
|---|
| 757 | * @return string
|
|---|
| 758 | */
|
|---|
| 759 | function get_attachment_template() {
|
|---|
| 760 | global $posts;
|
|---|
| 761 | $type = explode('/', $posts[0]->post_mime_type);
|
|---|
| 762 | if ( $template = get_query_template($type[0]) )
|
|---|
| 763 | return $template;
|
|---|
| 764 | elseif ( $template = get_query_template($type[1]) )
|
|---|
| 765 | return $template;
|
|---|
| 766 | elseif ( $template = get_query_template("$type[0]_$type[1]") )
|
|---|
| 767 | return $template;
|
|---|
| 768 | else
|
|---|
| 769 | return get_query_template('attachment');
|
|---|
| 770 | }
|
|---|
| 771 |
|
|---|
| 772 | /**
|
|---|
| 773 | * Retrieve path of comment popup template in current or parent template.
|
|---|
| 774 | *
|
|---|
| 775 | * Checks for comment popup template in current template, if it exists or in the
|
|---|
| 776 | * parent template. If it doesn't exist, then it retrieves the comment-popup.php
|
|---|
| 777 | * file from the default theme. The default theme must then exist for it to
|
|---|
| 778 | * work.
|
|---|
| 779 | *
|
|---|
| 780 | * @since 1.5.0
|
|---|
| 781 | * @uses apply_filters() Calls 'comments_popup_template' filter on path.
|
|---|
| 782 | *
|
|---|
| 783 | * @return string
|
|---|
| 784 | */
|
|---|
| 785 | function get_comments_popup_template() {
|
|---|
| 786 | $template = locate_template(array("comments-popup.php"));
|
|---|
| 787 | if ('' == $template)
|
|---|
| 788 | $template = get_theme_root() . '/default/comments-popup.php';
|
|---|
| 789 |
|
|---|
| 790 | return apply_filters('comments_popup_template', $template);
|
|---|
| 791 | }
|
|---|
| 792 |
|
|---|
| 793 | /**
|
|---|
| 794 | * Retrieve the name of the highest priority template file that exists.
|
|---|
| 795 | *
|
|---|
| 796 | * Searches in the STYLESHEETPATH before TEMPLATEPATH so that themes which
|
|---|
| 797 | * inherit from a parent theme can just overload one file.
|
|---|
| 798 | *
|
|---|
| 799 | * @since 2.7.0
|
|---|
| 800 | *
|
|---|
| 801 | * @param array $template_names Array of template files to search for in priority order.
|
|---|
| 802 | * @param bool $load If true the template file will be loaded if it is found.
|
|---|
| 803 | * @return string The template filename if one is located.
|
|---|
| 804 | */
|
|---|
| 805 | function locate_template($template_names, $load = false) {
|
|---|
| 806 | if (!is_array($template_names))
|
|---|
| 807 | return '';
|
|---|
| 808 |
|
|---|
| 809 | $located = '';
|
|---|
| 810 | foreach($template_names as $template_name) {
|
|---|
| 811 | if ( file_exists(STYLESHEETPATH . '/' . $template_name)) {
|
|---|
| 812 | $located = STYLESHEETPATH . '/' . $template_name;
|
|---|
| 813 | break;
|
|---|
| 814 | } else if ( file_exists(TEMPLATEPATH . '/' . $template_name) ) {
|
|---|
| 815 | $located = TEMPLATEPATH . '/' . $template_name;
|
|---|
| 816 | break;
|
|---|
| 817 | }
|
|---|
| 818 | }
|
|---|
| 819 |
|
|---|
| 820 | if ($load && '' != $located)
|
|---|
| 821 | load_template($located);
|
|---|
| 822 |
|
|---|
| 823 | return $located;
|
|---|
| 824 | }
|
|---|
| 825 |
|
|---|
| 826 | /**
|
|---|
| 827 | * Require once the template file with WordPress environment.
|
|---|
| 828 | *
|
|---|
| 829 | * The globals are set up for the template file to ensure that the WordPress
|
|---|
| 830 | * environment is available from within the function. The query variables are
|
|---|
| 831 | * also available.
|
|---|
| 832 | *
|
|---|
| 833 | * @since 1.5.0
|
|---|
| 834 | *
|
|---|
| 835 | * @param string $_template_file Path to template file.
|
|---|
| 836 | */
|
|---|
| 837 | function load_template($_template_file) {
|
|---|
| 838 | global $posts, $post, $wp_did_header, $wp_did_template_redirect, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID;
|
|---|
| 839 |
|
|---|
| 840 | if ( is_array($wp_query->query_vars) )
|
|---|
| 841 | extract($wp_query->query_vars, EXTR_SKIP);
|
|---|
| 842 |
|
|---|
| 843 | require_once($_template_file);
|
|---|
| 844 | }
|
|---|
| 845 |
|
|---|
| 846 | /**
|
|---|
| 847 | * Display localized stylesheet link element.
|
|---|
| 848 | *
|
|---|
| 849 | * @since 2.1.0
|
|---|
| 850 | */
|
|---|
| 851 | function locale_stylesheet() {
|
|---|
| 852 | $stylesheet = get_locale_stylesheet_uri();
|
|---|
| 853 | if ( empty($stylesheet) )
|
|---|
| 854 | return;
|
|---|
| 855 | echo '<link rel="stylesheet" href="' . $stylesheet . '" type="text/css" media="screen" />';
|
|---|
| 856 | }
|
|---|
| 857 |
|
|---|
| 858 | /**
|
|---|
| 859 | * Start preview theme output buffer.
|
|---|
| 860 | *
|
|---|
| 861 | * Will only preform task if the user has permissions and template and preview
|
|---|
| 862 | * query variables exist.
|
|---|
| 863 | *
|
|---|
| 864 | * @since 2.5.0
|
|---|
| 865 | */
|
|---|
| 866 | function preview_theme() {
|
|---|
| 867 | if ( ! (isset($_GET['template']) && isset($_GET['preview'])) )
|
|---|
| 868 | return;
|
|---|
| 869 |
|
|---|
| 870 | if ( !current_user_can( 'switch_themes' ) )
|
|---|
| 871 | return;
|
|---|
| 872 |
|
|---|
| 873 | $_GET['template'] = preg_replace('|[^a-z0-9_./-]|i', '', $_GET['template']);
|
|---|
| 874 |
|
|---|
| 875 | if ( validate_file($_GET['template']) )
|
|---|
| 876 | return;
|
|---|
| 877 |
|
|---|
| 878 | add_filter( 'template', create_function('', "return '{$_GET['template']}';") );
|
|---|
| 879 |
|
|---|
| 880 | if ( isset($_GET['stylesheet']) ) {
|
|---|
| 881 | $_GET['stylesheet'] = preg_replace('|[^a-z0-9_./-]|i', '', $_GET['stylesheet']);
|
|---|
| 882 | if ( validate_file($_GET['stylesheet']) )
|
|---|
| 883 | return;
|
|---|
| 884 | add_filter( 'stylesheet', create_function('', "return '{$_GET['stylesheet']}';") );
|
|---|
| 885 | }
|
|---|
| 886 |
|
|---|
| 887 | // Prevent theme mods to current theme being used on theme being previewed
|
|---|
| 888 | add_filter( 'pre_option_mods_' . get_current_theme(), create_function( '', "return array();" ) );
|
|---|
| 889 |
|
|---|
| 890 | ob_start( 'preview_theme_ob_filter' );
|
|---|
| 891 | }
|
|---|
| 892 | add_action('setup_theme', 'preview_theme');
|
|---|
| 893 |
|
|---|
| 894 | /**
|
|---|
| 895 | * Callback function for ob_start() to capture all links in the theme.
|
|---|
| 896 | *
|
|---|
| 897 | * @since unknown
|
|---|
| 898 | * @access private
|
|---|
| 899 | *
|
|---|
| 900 | * @param string $content
|
|---|
| 901 | * @return string
|
|---|
| 902 | */
|
|---|
| 903 | function preview_theme_ob_filter( $content ) {
|
|---|
| 904 | return preg_replace_callback( "|(<a.*?href=([\"']))(.*?)([\"'].*?>)|", 'preview_theme_ob_filter_callback', $content );
|
|---|
| 905 | }
|
|---|
| 906 |
|
|---|
| 907 | /**
|
|---|
| 908 | * Manipulates preview theme links in order to control and maintain location.
|
|---|
| 909 | *
|
|---|
| 910 | * Callback function for preg_replace_callback() to accept and filter matches.
|
|---|
| 911 | *
|
|---|
| 912 | * @since unknown
|
|---|
| 913 | * @access private
|
|---|
| 914 | *
|
|---|
| 915 | * @param array $matches
|
|---|
| 916 | * @return string
|
|---|
| 917 | */
|
|---|
| 918 | function preview_theme_ob_filter_callback( $matches ) {
|
|---|
| 919 | if ( strpos($matches[4], 'onclick') !== false )
|
|---|
| 920 | $matches[4] = preg_replace('#onclick=([\'"]).*?(?<!\\\)\\1#i', '', $matches[4]); //Strip out any onclicks from rest of <a>. (?<!\\\) means to ignore the '" if its escaped by \ to prevent breaking mid-attribute.
|
|---|
| 921 | if (
|
|---|
| 922 | ( false !== strpos($matches[3], '/wp-admin/') )
|
|---|
| 923 | ||
|
|---|
| 924 | ( false !== strpos($matches[3], '://') && 0 !== strpos($matches[3], get_option('home')) )
|
|---|
| 925 | ||
|
|---|
| 926 | ( false !== strpos($matches[3], '/feed/') )
|
|---|
| 927 | ||
|
|---|
| 928 | ( false !== strpos($matches[3], '/trackback/') )
|
|---|
| 929 | )
|
|---|
| 930 | return $matches[1] . "#$matches[2] onclick=$matches[2]return false;" . $matches[4];
|
|---|
| 931 |
|
|---|
| 932 | $link = add_query_arg( array('preview' => 1, 'template' => $_GET['template'], 'stylesheet' => @$_GET['stylesheet'] ), $matches[3] );
|
|---|
| 933 | if ( 0 === strpos($link, 'preview=1') )
|
|---|
| 934 | $link = "?$link";
|
|---|
| 935 | return $matches[1] . esc_attr( $link ) . $matches[4];
|
|---|
| 936 | }
|
|---|
| 937 |
|
|---|
| 938 | /**
|
|---|
| 939 | * Switches current theme to new template and stylesheet names.
|
|---|
| 940 | *
|
|---|
| 941 | * @since unknown
|
|---|
| 942 | * @uses do_action() Calls 'switch_theme' action on updated theme display name.
|
|---|
| 943 | *
|
|---|
| 944 | * @param string $template Template name
|
|---|
| 945 | * @param string $stylesheet Stylesheet name.
|
|---|
| 946 | */
|
|---|
| 947 | function switch_theme($template, $stylesheet) {
|
|---|
| 948 | update_option('template', $template);
|
|---|
| 949 | update_option('stylesheet', $stylesheet);
|
|---|
| 950 | delete_option('current_theme');
|
|---|
| 951 | $theme = get_current_theme();
|
|---|
| 952 | do_action('switch_theme', $theme);
|
|---|
| 953 | }
|
|---|
| 954 |
|
|---|
| 955 | /**
|
|---|
| 956 | * Checks that current theme files 'index.php' and 'style.css' exists.
|
|---|
| 957 | *
|
|---|
| 958 | * Does not check the 'default' theme. The 'default' theme should always exist
|
|---|
| 959 | * or should have another theme renamed to that template name and directory
|
|---|
| 960 | * path. Will switch theme to default if current theme does not validate.
|
|---|
| 961 | * You can use the 'validate_current_theme' filter to return FALSE to
|
|---|
| 962 | * disable this functionality.
|
|---|
| 963 | *
|
|---|
| 964 | * @since 1.5.0
|
|---|
| 965 | *
|
|---|
| 966 | * @return bool
|
|---|
| 967 | */
|
|---|
| 968 | function validate_current_theme() {
|
|---|
| 969 | // Don't validate during an install/upgrade.
|
|---|
| 970 | if ( defined('WP_INSTALLING') || !apply_filters( 'validate_current_theme', true ) )
|
|---|
| 971 | return true;
|
|---|
| 972 |
|
|---|
| 973 | if ( get_template() != 'default' && !file_exists(get_template_directory() . '/index.php') ) {
|
|---|
| 974 | switch_theme('default', 'default');
|
|---|
| 975 | return false;
|
|---|
| 976 | }
|
|---|
| 977 |
|
|---|
| 978 | if ( get_stylesheet() != 'default' && !file_exists(get_template_directory() . '/style.css') ) {
|
|---|
| 979 | switch_theme('default', 'default');
|
|---|
| 980 | return false;
|
|---|
| 981 | }
|
|---|
| 982 |
|
|---|
| 983 | return true;
|
|---|
| 984 | }
|
|---|
| 985 |
|
|---|
| 986 | /**
|
|---|
| 987 | * Retrieve theme modification value for the current theme.
|
|---|
| 988 | *
|
|---|
| 989 | * If the modification name does not exist, then the $default will be passed
|
|---|
| 990 | * through {@link http://php.net/sprintf sprintf()} PHP function with the first
|
|---|
| 991 | * string the template directory URI and the second string the stylesheet
|
|---|
| 992 | * directory URI.
|
|---|
| 993 | *
|
|---|
| 994 | * @since 2.1.0
|
|---|
| 995 | * @uses apply_filters() Calls 'theme_mod_$name' filter on the value.
|
|---|
| 996 | *
|
|---|
| 997 | * @param string $name Theme modification name.
|
|---|
| 998 | * @param bool|string $default
|
|---|
| 999 | * @return string
|
|---|
| 1000 | */
|
|---|
| 1001 | function get_theme_mod($name, $default = false) {
|
|---|
| 1002 | $theme = get_current_theme();
|
|---|
| 1003 |
|
|---|
| 1004 | $mods = get_option("mods_$theme");
|
|---|
| 1005 |
|
|---|
| 1006 | if ( isset($mods[$name]) )
|
|---|
| 1007 | return apply_filters( "theme_mod_$name", $mods[$name] );
|
|---|
| 1008 |
|
|---|
| 1009 | return apply_filters( "theme_mod_$name", sprintf($default, get_template_directory_uri(), get_stylesheet_directory_uri()) );
|
|---|
| 1010 | }
|
|---|
| 1011 |
|
|---|
| 1012 | /**
|
|---|
| 1013 | * Update theme modification value for the current theme.
|
|---|
| 1014 | *
|
|---|
| 1015 | * @since 2.1.0
|
|---|
| 1016 | *
|
|---|
| 1017 | * @param string $name Theme modification name.
|
|---|
| 1018 | * @param string $value theme modification value.
|
|---|
| 1019 | */
|
|---|
| 1020 | function set_theme_mod($name, $value) {
|
|---|
| 1021 | $theme = get_current_theme();
|
|---|
| 1022 |
|
|---|
| 1023 | $mods = get_option("mods_$theme");
|
|---|
| 1024 |
|
|---|
| 1025 | $mods[$name] = $value;
|
|---|
| 1026 |
|
|---|
| 1027 | update_option("mods_$theme", $mods);
|
|---|
| 1028 | wp_cache_delete("mods_$theme", 'options');
|
|---|
| 1029 | }
|
|---|
| 1030 |
|
|---|
| 1031 | /**
|
|---|
| 1032 | * Remove theme modification name from current theme list.
|
|---|
| 1033 | *
|
|---|
| 1034 | * If removing the name also removes all elements, then the entire option will
|
|---|
| 1035 | * be removed.
|
|---|
| 1036 | *
|
|---|
| 1037 | * @since 2.1.0
|
|---|
| 1038 | *
|
|---|
| 1039 | * @param string $name Theme modification name.
|
|---|
| 1040 | * @return null
|
|---|
| 1041 | */
|
|---|
| 1042 | function remove_theme_mod( $name ) {
|
|---|
| 1043 | $theme = get_current_theme();
|
|---|
| 1044 |
|
|---|
| 1045 | $mods = get_option("mods_$theme");
|
|---|
| 1046 |
|
|---|
| 1047 | if ( !isset($mods[$name]) )
|
|---|
| 1048 | return;
|
|---|
| 1049 |
|
|---|
| 1050 | unset($mods[$name]);
|
|---|
| 1051 |
|
|---|
| 1052 | if ( empty($mods) )
|
|---|
| 1053 | return remove_theme_mods();
|
|---|
| 1054 |
|
|---|
| 1055 | update_option("mods_$theme", $mods);
|
|---|
| 1056 | wp_cache_delete("mods_$theme", 'options');
|
|---|
| 1057 | }
|
|---|
| 1058 |
|
|---|
| 1059 | /**
|
|---|
| 1060 | * Remove theme modifications option for current theme.
|
|---|
| 1061 | *
|
|---|
| 1062 | * @since 2.1.0
|
|---|
| 1063 | */
|
|---|
| 1064 | function remove_theme_mods() {
|
|---|
| 1065 | $theme = get_current_theme();
|
|---|
| 1066 |
|
|---|
| 1067 | delete_option("mods_$theme");
|
|---|
| 1068 | }
|
|---|
| 1069 |
|
|---|
| 1070 | /**
|
|---|
| 1071 | * Retrieve text color for custom header.
|
|---|
| 1072 | *
|
|---|
| 1073 | * @since 2.1.0
|
|---|
| 1074 | * @uses HEADER_TEXTCOLOR
|
|---|
| 1075 | *
|
|---|
| 1076 | * @return string
|
|---|
| 1077 | */
|
|---|
| 1078 | function get_header_textcolor() {
|
|---|
| 1079 | return get_theme_mod('header_textcolor', HEADER_TEXTCOLOR);
|
|---|
| 1080 | }
|
|---|
| 1081 |
|
|---|
| 1082 | /**
|
|---|
| 1083 | * Display text color for custom header.
|
|---|
| 1084 | *
|
|---|
| 1085 | * @since 2.1.0
|
|---|
| 1086 | */
|
|---|
| 1087 | function header_textcolor() {
|
|---|
| 1088 | echo get_header_textcolor();
|
|---|
| 1089 | }
|
|---|
| 1090 |
|
|---|
| 1091 | /**
|
|---|
| 1092 | * Retrieve header image for custom header.
|
|---|
| 1093 | *
|
|---|
| 1094 | * @since 2.1.0
|
|---|
| 1095 | * @uses HEADER_IMAGE
|
|---|
| 1096 | *
|
|---|
| 1097 | * @return string
|
|---|
| 1098 | */
|
|---|
| 1099 | function get_header_image() {
|
|---|
| 1100 | return get_theme_mod('header_image', HEADER_IMAGE);
|
|---|
| 1101 | }
|
|---|
| 1102 |
|
|---|
| 1103 | /**
|
|---|
| 1104 | * Display header image path.
|
|---|
| 1105 | *
|
|---|
| 1106 | * @since 2.1.0
|
|---|
| 1107 | */
|
|---|
| 1108 | function header_image() {
|
|---|
| 1109 | echo get_header_image();
|
|---|
| 1110 | }
|
|---|
| 1111 |
|
|---|
| 1112 | /**
|
|---|
| 1113 | * Add callbacks for image header display.
|
|---|
| 1114 | *
|
|---|
| 1115 | * The parameter $header_callback callback will be required to display the
|
|---|
| 1116 | * content for the 'wp_head' action. The parameter $admin_header_callback
|
|---|
| 1117 | * callback will be added to Custom_Image_Header class and that will be added
|
|---|
| 1118 | * to the 'admin_menu' action.
|
|---|
| 1119 | *
|
|---|
| 1120 | * @since 2.1.0
|
|---|
| 1121 | * @uses Custom_Image_Header Sets up for $admin_header_callback for administration panel display.
|
|---|
| 1122 | *
|
|---|
| 1123 | * @param callback $header_callback Call on 'wp_head' action.
|
|---|
| 1124 | * @param callback $admin_header_callback Call on administration panels.
|
|---|
| 1125 | */
|
|---|
| 1126 | function add_custom_image_header($header_callback, $admin_header_callback) {
|
|---|
| 1127 | if ( ! empty($header_callback) )
|
|---|
| 1128 | add_action('wp_head', $header_callback);
|
|---|
| 1129 |
|
|---|
| 1130 | if ( ! is_admin() )
|
|---|
| 1131 | return;
|
|---|
| 1132 | require_once(ABSPATH . 'wp-admin/custom-header.php');
|
|---|
| 1133 | $GLOBALS['custom_image_header'] =& new Custom_Image_Header($admin_header_callback);
|
|---|
| 1134 | add_action('admin_menu', array(&$GLOBALS['custom_image_header'], 'init'));
|
|---|
| 1135 | }
|
|---|
| 1136 |
|
|---|
| 1137 | ?>
|
|---|
