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validate_plugin ›

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

Validate the plugin path.

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



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;
}