plugin_basename() │ WP 1.5.0

Gets the basename of a plugin.

This method extracts the name of a plugin from its filename.

1 time — 0.000039 sec (very fast) | 50000 times — 0.63 sec (very fast)

No Hooks.

Return

String. The name of a plugin.

Usage

plugin_basename( $file );
$file(string) (required)
The filename of plugin.

Notes

  • Global. Array. $wp_plugin_paths

Changelog

Since 1.5.0 Introduced.

Code of plugin_basename() WP 6.0

wp-includes/plugin.php 
function plugin_basename( $file ) {
	global $wp_plugin_paths;

	// $wp_plugin_paths contains normalized paths.
	$file = wp_normalize_path( $file );

	arsort( $wp_plugin_paths );

	foreach ( $wp_plugin_paths as $dir => $realdir ) {
		if ( strpos( $file, $realdir ) === 0 ) {
			$file = $dir . substr( $file, strlen( $realdir ) );
		}
	}

	$plugin_dir    = wp_normalize_path( WP_PLUGIN_DIR );
	$mu_plugin_dir = wp_normalize_path( WPMU_PLUGIN_DIR );

	// Get relative path from plugins directory.
	$file = preg_replace( '#^' . preg_quote( $plugin_dir, '#' ) . '/|^' . preg_quote( $mu_plugin_dir, '#' ) . '/#', '', $file );
	$file = trim( $file, '/' );
	return $file;
}

plugin

Plugins, Hooks