wp_get_active_and_valid_plugins() WP 3.0.0

Retrieve an array of active and valid plugin files.

While upgrading or installing WordPress, no plugins are returned.

The default directory is wp-content/plugins. To change the default directory manually, define WP_PLUGIN_DIR and WP_PLUGIN_URL in wp-config.php.

No Hooks.

Return

String[]. $plugin_file Array of paths to plugin files relative to the plugins directory.

Usage

wp_get_active_and_valid_plugins();

Code of wp get active and valid plugins: wp-includes/load.php ^{VER 5.1}

<?php
function wp_get_active_and_valid_plugins() {
	$plugins        = array();
	$active_plugins = (array) get_option( 'active_plugins', array() );

	// Check for hacks file if the option is enabled
	if ( get_option( 'hack_file' ) && file_exists( ABSPATH . 'my-hacks.php' ) ) {
		_deprecated_file( 'my-hacks.php', '1.5.0' );
		array_unshift( $plugins, ABSPATH . 'my-hacks.php' );
	}

	if ( empty( $active_plugins ) || wp_installing() ) {
		return $plugins;
	}

	$network_plugins = is_multisite() ? wp_get_active_network_plugins() : false;

	foreach ( $active_plugins as $plugin ) {
		if ( ! validate_file( $plugin ) // $plugin must validate as file
			&& '.php' == substr( $plugin, -4 ) // $plugin must end with '.php'
			&& file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist
			// not already included as a network plugin
			&& ( ! $network_plugins || ! in_array( WP_PLUGIN_DIR . '/' . $plugin, $network_plugins ) )
			) {
			$plugins[] = WP_PLUGIN_DIR . '/' . $plugin;
		}
	}

	return $plugins;
}