plugin_basename() WP 1.0

Gets the basename of a plugin.

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

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

Code of plugin basename: wp-includes/plugin.php ^{WP 5.2.4}

<?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 );

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

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From tag: plugin

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