| 1 | <?php
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| 2 | /**
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| 3 | * WordPress Administration Update API
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| 4 | *
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| 5 | * @package WordPress
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| 6 | * @subpackage Admin
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| 7 | */
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| 8 |
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| 9 | // The admin side of our 1.1 update system
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| 10 |
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| 11 | /**
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| 12 | * Selects the first update version from the update_core option
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| 13 | *
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| 14 | * @return object the response from the API
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| 15 | */
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| 16 | function get_preferred_from_update_core() {
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| 17 | $updates = get_core_updates();
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| 18 | if ( !is_array( $updates ) )
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| 19 | return false;
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| 20 | if ( empty( $updates ) )
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| 21 | return (object)array('response' => 'latest');
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| 22 | return $updates[0];
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| 23 | }
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| 24 |
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| 25 | /**
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| 26 | * Get available core updates
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| 27 | *
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| 28 | * @param array $options Set $options['dismissed'] to true to show dismissed upgrades too,
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| 29 | * set $options['available'] to false to skip not-dimissed updates.
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| 30 | * @return array Array of the update objects
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| 31 | */
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| 32 | function get_core_updates( $options = array() ) {
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| 33 | $options = array_merge( array('available' => true, 'dismissed' => false ), $options );
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| 34 | $dismissed = get_option( 'dismissed_update_core' );
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| 35 | if ( !is_array( $dismissed ) ) $dismissed = array();
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| 36 | $from_api = get_transient( 'update_core' );
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| 37 | if ( empty($from_api) )
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| 38 | return false;
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| 39 | if ( !isset( $from_api->updates ) || !is_array( $from_api->updates ) ) return false;
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| 40 | $updates = $from_api->updates;
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| 41 | if ( !is_array( $updates ) ) return false;
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| 42 | $result = array();
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| 43 | foreach($updates as $update) {
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| 44 | if ( array_key_exists( $update->current.'|'.$update->locale, $dismissed ) ) {
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| 45 | if ( $options['dismissed'] ) {
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| 46 | $update->dismissed = true;
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| 47 | $result[]= $update;
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| 48 | }
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| 49 | } else {
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| 50 | if ( $options['available'] ) {
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| 51 | $update->dismissed = false;
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| 52 | $result[]= $update;
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| 53 | }
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| 54 | }
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| 55 | }
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| 56 | return $result;
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| 57 | }
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| 58 |
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| 59 | function dismiss_core_update( $update ) {
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| 60 | $dismissed = get_option( 'dismissed_update_core' );
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| 61 | $dismissed[ $update->current.'|'.$update->locale ] = true;
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| 62 | return update_option( 'dismissed_update_core', $dismissed );
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| 63 | }
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| 64 |
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| 65 | function undismiss_core_update( $version, $locale ) {
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| 66 | $dismissed = get_option( 'dismissed_update_core' );
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| 67 | $key = $version.'|'.$locale;
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| 68 | if ( !isset( $dismissed[$key] ) ) return false;
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| 69 | unset( $dismissed[$key] );
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| 70 | return update_option( 'dismissed_update_core', $dismissed );
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| 71 | }
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| 72 |
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| 73 | function find_core_update( $version, $locale ) {
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| 74 | $from_api = get_transient( 'update_core' );
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| 75 | if ( !is_array( $from_api->updates ) ) return false;
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| 76 | $updates = $from_api->updates;
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| 77 | foreach($updates as $update) {
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| 78 | if ( $update->current == $version && $update->locale == $locale )
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| 79 | return $update;
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| 80 | }
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| 81 | return false;
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| 82 | }
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| 83 |
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| 84 | function core_update_footer( $msg = '' ) {
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| 85 | if ( !current_user_can('manage_options') )
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| 86 | return sprintf( __( 'Version %s' ), $GLOBALS['wp_version'] );
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| 87 |
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| 88 | $cur = get_preferred_from_update_core();
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| 89 | if ( ! isset( $cur->current ) )
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| 90 | $cur->current = '';
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| 91 |
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| 92 | if ( ! isset( $cur->url ) )
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| 93 | $cur->url = '';
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| 94 |
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| 95 | if ( ! isset( $cur->response ) )
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| 96 | $cur->response = '';
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| 97 |
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| 98 | switch ( $cur->response ) {
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| 99 | case 'development' :
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| 100 | return sprintf( __( 'You are using a development version (%1$s). Cool! Please <a href="%2$s">stay updated</a>.' ), $GLOBALS['wp_version'], 'update-core.php');
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| 101 | break;
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| 102 |
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| 103 | case 'upgrade' :
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| 104 | if ( current_user_can('manage_options') ) {
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| 105 | return sprintf( '<strong>'.__( '<a href="%1$s">Get Version %2$s</a>' ).'</strong>', 'update-core.php', $cur->current);
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| 106 | break;
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| 107 | }
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| 108 |
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| 109 | case 'latest' :
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| 110 | default :
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| 111 | return sprintf( __( 'Version %s' ), $GLOBALS['wp_version'] );
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| 112 | break;
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| 113 | }
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| 114 | }
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| 115 | add_filter( 'update_footer', 'core_update_footer' );
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| 116 |
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| 117 | function update_nag() {
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| 118 | global $pagenow;
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| 119 |
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| 120 | if ( 'update-core.php' == $pagenow )
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| 121 | return;
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| 122 |
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| 123 | $cur = get_preferred_from_update_core();
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| 124 |
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| 125 | if ( ! isset( $cur->response ) || $cur->response != 'upgrade' )
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| 126 | return false;
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| 127 |
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| 128 | if ( current_user_can('manage_options') )
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| 129 | $msg = sprintf( __('WordPress %1$s is available! <a href="%2$s">Please update now</a>.'), $cur->current, 'update-core.php' );
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| 130 | else
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| 131 | $msg = sprintf( __('WordPress %1$s is available! Please notify the site administrator.'), $cur->current );
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| 132 |
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| 133 | echo "<div id='update-nag'>$msg</div>";
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| 134 | }
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| 135 | add_action( 'admin_notices', 'update_nag', 3 );
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| 136 |
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| 137 | // Called directly from dashboard
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| 138 | function update_right_now_message() {
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| 139 | $cur = get_preferred_from_update_core();
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| 140 |
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| 141 | $msg = sprintf( __('You are using <span class="b">WordPress %s</span>.'), $GLOBALS['wp_version'] );
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| 142 | if ( isset( $cur->response ) && $cur->response == 'upgrade' && current_user_can('manage_options') )
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| 143 | $msg .= " <a href='update-core.php' class='button'>" . sprintf( __('Update to %s'), $cur->current ? $cur->current : __( 'Latest' ) ) . '</a>';
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| 144 |
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| 145 | echo "<span id='wp-version-message'>$msg</span>";
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| 146 | }
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| 147 |
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| 148 | function wp_plugin_update_row( $file, $plugin_data ) {
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| 149 | $current = get_transient( 'update_plugins' );
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| 150 | if ( !isset( $current->response[ $file ] ) )
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| 151 | return false;
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| 152 |
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| 153 | $r = $current->response[ $file ];
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| 154 |
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| 155 | $plugins_allowedtags = array('a' => array('href' => array(),'title' => array()),'abbr' => array('title' => array()),'acronym' => array('title' => array()),'code' => array(),'em' => array(),'strong' => array());
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| 156 | $plugin_name = wp_kses( $plugin_data['Name'], $plugins_allowedtags );
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| 157 |
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| 158 | $details_url = admin_url('plugin-install.php?tab=plugin-information&plugin=' . $r->slug . '&TB_iframe=true&width=600&height=800');
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| 159 |
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| 160 | echo '<tr class="plugin-update-tr"><td colspan="3" class="plugin-update"><div class="update-message">';
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| 161 | if ( ! current_user_can('update_plugins') )
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| 162 | printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s Details</a>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version );
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| 163 | else if ( empty($r->package) )
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| 164 | printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s Details</a> <em>automatic upgrade unavailable for this plugin</em>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version );
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| 165 | else
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| 166 | printf( __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%3$s">View version %4$s Details</a> or <a href="%5$s">upgrade automatically</a>.'), $plugin_name, esc_url($details_url), esc_attr($plugin_name), $r->new_version, wp_nonce_url('update.php?action=upgrade-plugin&plugin=' . $file, 'upgrade-plugin_' . $file) );
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| 167 |
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| 168 | do_action( "in_plugin_update_message-$file", $plugin_data, $r );
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| 169 |
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| 170 | echo '</div></td></tr>';
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| 171 | }
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| 172 | add_action( 'after_plugin_row', 'wp_plugin_update_row', 10, 2 );
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| 173 |
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| 174 | function wp_update_plugin($plugin, $feedback = '') {
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| 175 |
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| 176 | if ( !empty($feedback) )
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| 177 | add_filter('update_feedback', $feedback);
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| 178 |
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| 179 | include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
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| 180 | $upgrader = new Plugin_Upgrader();
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| 181 | return $upgrader->upgrade($plugin);
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| 182 | }
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| 183 |
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| 184 | function wp_update_theme($theme, $feedback = '') {
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| 185 |
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| 186 | if ( !empty($feedback) )
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| 187 | add_filter('update_feedback', $feedback);
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| 188 |
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| 189 | include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
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| 190 | $upgrader = new Theme_Upgrader();
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| 191 | return $upgrader->upgrade($theme);
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| 192 | }
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| 193 |
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| 194 |
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| 195 | function wp_update_core($current, $feedback = '') {
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| 196 |
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| 197 | if ( !empty($feedback) )
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| 198 | add_filter('update_feedback', $feedback);
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| 199 |
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| 200 | include ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
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| 201 | $upgrader = new Core_Upgrader();
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| 202 | return $upgrader->upgrade($current);
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| 203 |
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| 204 | }
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| 205 |
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| 206 | function maintenance_nag() {
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| 207 | global $upgrading;
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| 208 | if ( ! isset( $upgrading ) )
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| 209 | return false;
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| 210 |
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| 211 | if ( current_user_can('manage_options') )
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| 212 | $msg = sprintf( __('An automated WordPress update has failed to complete - <a href="%s">please attempt the update again now</a>.'), 'update-core.php' );
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| 213 | else
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| 214 | $msg = __('An automated WordPress update has failed to complete! Please notify the site administrator.');
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| 215 |
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| 216 | echo "<div id='update-nag'>$msg</div>";
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| 217 | }
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| 218 | add_action( 'admin_notices', 'maintenance_nag' );
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| 219 |
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| 220 | ?>
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