uninstall_plugin( string $plugin )

Uninstall a single plugin.


Description Description

Calls the uninstall hook, if it is available.


Parameters Parameters

$plugin

(string) (Required) Path to the plugin file relative to the plugins directory.


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Return Return

(true) True if a plugin's uninstall.php file has been found and included.


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Source Source

File: wp-admin/includes/plugin.php

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function uninstall_plugin( $plugin ) {
    $file = plugin_basename( $plugin );
 
    $uninstallable_plugins = (array) get_option( 'uninstall_plugins' );
 
    /**
     * Fires in uninstall_plugin() immediately before the plugin is uninstalled.
     *
     * @since 4.5.0
     *
     * @param string $plugin                Path to the plugin file relative to the plugins directory.
     * @param array  $uninstallable_plugins Uninstallable plugins.
     */
    do_action( 'pre_uninstall_plugin', $plugin, $uninstallable_plugins );
 
    if ( file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) {
        if ( isset( $uninstallable_plugins[ $file ] ) ) {
            unset( $uninstallable_plugins[ $file ] );
            update_option( 'uninstall_plugins', $uninstallable_plugins );
        }
        unset( $uninstallable_plugins );
 
        define( 'WP_UNINSTALL_PLUGIN', $file );
        wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
        include( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' );
 
        return true;
    }
 
    if ( isset( $uninstallable_plugins[ $file ] ) ) {
        $callable = $uninstallable_plugins[ $file ];
        unset( $uninstallable_plugins[ $file ] );
        update_option( 'uninstall_plugins', $uninstallable_plugins );
        unset( $uninstallable_plugins );
 
        wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
        include( WP_PLUGIN_DIR . '/' . $file );
 
        add_action( "uninstall_{$file}", $callable );
 
        /**
         * Fires in uninstall_plugin() once the plugin has been uninstalled.
         *
         * The action concatenates the 'uninstall_' prefix with the basename of the
         * plugin passed to uninstall_plugin() to create a dynamically-named action.
         *
         * @since 2.7.0
         */
        do_action( "uninstall_{$file}" );
    }
}

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Changelog Changelog

Changelog
Version Description
2.7.0 Introduced.


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