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validate_plugin › WordPress Function

Since2.5.0
Deprecatedn/a
› validate_plugin ( $plugin )
Parameters:
  • (string) $plugin Path to the plugin file relative to the plugins directory.
    Required: Yes
Returns:
  • (int|WP_Error) 0 on success, WP_Error on failure.
Defined at:
Codex:

Validates the plugin path.

Checks that the main plugin file exists and is a valid plugin. See validate_file().


Related Functions: activate_plugin, validate_active_plugins, activate_plugins, validate_blog_signup, wp_update_plugin

Source 

function validate_plugin( $plugin ) {
	if ( validate_file( $plugin ) ) {
		return new WP_Error( 'plugin_invalid', __( 'Invalid plugin path.' ) );
	}
	if ( ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) {
		return new WP_Error( 'plugin_not_found', __( 'Plugin file does not exist.' ) );
	}

	$installed_plugins = get_plugins();
	if ( ! isset( $installed_plugins[ $plugin ] ) ) {
		return new WP_Error( 'no_plugin_header', __( 'The plugin does not have a valid header.' ) );
	}
	return 0;
}