1 | <?php
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2 | /**
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3 | * BackPress styles procedural API.
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4 | *
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5 | * @package BackPress
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6 | * @since r79
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7 | */
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8 |
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9 | /**
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10 | * Display styles that are in the queue or part of $handles.
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11 | *
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12 | * @since r79
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13 | * @uses do_action() Calls 'wp_print_styles' hook.
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14 | * @global object $wp_styles The WP_Styles object for printing styles.
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15 | *
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16 | * @param array $handles (optional) Styles to be printed. (void) prints queue, (string) prints that style, (array of strings) prints those styles.
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17 | * @return bool True on success, false on failure.
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18 | */
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19 | function wp_print_styles( $handles = false ) {
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20 | do_action( 'wp_print_styles' );
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21 | if ( '' === $handles ) // for wp_head
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22 | $handles = false;
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23 |
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24 | global $wp_styles;
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25 | if ( !is_a($wp_styles, 'WP_Styles') ) {
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26 | if ( !$handles )
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27 | return array(); // No need to instantiate if nothing's there.
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28 | else
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29 | $wp_styles = new WP_Styles();
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30 | }
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31 |
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32 | return $wp_styles->do_items( $handles );
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33 | }
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34 |
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35 | /**
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36 | * Register CSS style file.
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37 | *
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38 | * @since r79
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39 | * @see WP_Styles::add() For parameter and additional information.
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40 | */
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41 | function wp_register_style( $handle, $src, $deps = array(), $ver = false, $media = 'all' ) {
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42 | global $wp_styles;
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43 | if ( !is_a($wp_styles, 'WP_Styles') )
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44 | $wp_styles = new WP_Styles();
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45 |
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46 | $wp_styles->add( $handle, $src, $deps, $ver, $media );
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47 | }
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48 |
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49 | /**
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50 | * Remove a registered CSS file.
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51 | *
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52 | * @since r79
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53 | * @see WP_Styles::remove() For parameter and additional information.
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54 | */
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55 | function wp_deregister_style( $handle ) {
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56 | global $wp_styles;
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57 | if ( !is_a($wp_styles, 'WP_Styles') )
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58 | $wp_styles = new WP_Styles();
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59 |
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60 | $wp_styles->remove( $handle );
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61 | }
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62 |
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63 | /**
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64 | * Enqueue a CSS style file.
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65 | *
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66 | * @since r79
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67 | * @see WP_Styles::add(), WP_Styles::enqueue()
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68 | */
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69 | function wp_enqueue_style( $handle, $src = false, $deps = array(), $ver = false, $media = false ) {
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70 | global $wp_styles;
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71 | if ( !is_a($wp_styles, 'WP_Styles') )
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72 | $wp_styles = new WP_Styles();
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73 |
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74 | if ( $src ) {
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75 | $_handle = explode('?', $handle);
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76 | $wp_styles->add( $_handle[0], $src, $deps, $ver, $media );
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77 | }
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78 | $wp_styles->enqueue( $handle );
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79 | }
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80 |
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81 | /**
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82 | * Check whether style has been added to WordPress Styles.
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83 | *
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84 | * The values for list defaults to 'queue', which is the same as enqueue for
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85 | * styles.
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86 | *
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87 | * @since WP unknown; BP unknown
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88 | *
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89 | * @param string $handle Handle used to add style.
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90 | * @param string $list Optional, defaults to 'queue'. Others values are 'registered', 'queue', 'done', 'to_do'
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91 | * @return bool
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92 | */
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93 | function wp_style_is( $handle, $list = 'queue' ) {
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94 | global $wp_styles;
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95 | if ( !is_a($wp_styles, 'WP_Styles') )
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96 | $wp_styles = new WP_Styles();
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97 |
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98 | $query = $wp_styles->query( $handle, $list );
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99 |
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100 | if ( is_object( $query ) )
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101 | return true;
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102 |
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103 | return $query;
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104 | }
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