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Ignore:
Timestamp:
08/07/2008 11:39:27 PM (12 years ago)
Author:
ryan
Message:

Plugin uninstall hooks from santosj. fixes #5625

File:
1 edited

Legend:

Unmodified
Added
Removed
  • trunk/wp-admin/includes/plugin.php

    r8514 r8585  
    158158}
    159159
    160 function is_plugin_active($plugin){
     160/**
     161 * Check whether the plugin is active by checking the active_plugins list.
     162 *
     163 * @since 2.5.0
     164 *
     165 * @param string $plugin Base plugin path from plugins directory.
     166 * @return bool True, if in the active plugins list. False, not in the list.
     167 */
     168function is_plugin_active($plugin) {
    161169    return in_array($plugin, get_option('active_plugins'));
    162170}
     
    278286
    279287    foreach( $plugins as $plugin_file ) {
     288        // Run Uninstall hook
     289        if ( is_uninstallable_plugin( $plugin_file ) )
     290            uninstall_plugin($plugin_file);
     291
    280292        $this_plugin_dir = trailingslashit( dirname($plugins_dir . $plugin_file) );
    281293        // If plugin is in its own directory, recursively delete the directory.
     
    327339
    328340    return 0;
     341}
     342
     343/**
     344 * Whether the plugin can be uninstalled.
     345 *
     346 * @since {@internal Version Unknown}}
     347 *
     348 * @param string $plugin Plugin path to check.
     349 * @return bool Whether plugin can be uninstalled.
     350 */
     351function is_uninstallable_plugin($plugin) {
     352    $file = plugin_basename($plugin);
     353
     354    $uninstallable_plugins = (array) get_option('uninstall_plugins');
     355    if ( isset( $uninstallable_plugins[$file] ) || file_exists( WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php' ) )
     356        return true;
     357
     358    return false;
     359}
     360
     361/**
     362 * Uninstall a single plugin.
     363 *
     364 * Calls the uninstall hook, if it is available.
     365 *
     366 * @param string $plugin Relative plugin path from Plugin Directory.
     367 */
     368function uninstall_plugin($plugin) {
     369    $file = plugin_basename($plugin);
     370
     371    $uninstallable_plugins = (array) get_option('uninstall_plugins');
     372    if ( file_exists( WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php' ) ) {
     373        if ( isset( $uninstallable_plugins[$file] ) ) {
     374            unset($uninstallable_plugins[$file]);
     375            update_option('uninstall_plugins', $uninstallable_plugins);
     376        }
     377        unset($uninstallable_plugins);
     378
     379        define('WP_UNINSTALL_PLUGIN', $file);
     380        include WP_PLUGIN_DIR . '/' . dirname($file) . '/uninstall.php';
     381
     382        return true;
     383    }
     384
     385    if ( isset( $uninstallable_plugins[$file] ) ) {
     386        $callable = $uninstallable_plugins[$file];
     387        unset($uninstallable_plugins[$file]);
     388        update_option('uninstall_plugins', $uninstallable_plugins);
     389        unset($uninstallable_plugins);
     390
     391        include WP_PLUGIN_DIR . '/' . $file;
     392
     393        add_action( 'uninstall_' . $file, $callable );
     394        do_action( 'uninstall_' . $file );
     395    }
    329396}
    330397
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