This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

wp_get_mu_plugins()

Retrieve an array of must-use plugin files.

Description

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

Return

(array) Files to include.

Source

File: wp-includes/load.php

function wp_get_mu_plugins() {
	$mu_plugins = array();
	if ( !is_dir( WPMU_PLUGIN_DIR ) )
		return $mu_plugins;
	if ( ! $dh = opendir( WPMU_PLUGIN_DIR ) )
		return $mu_plugins;
	while ( ( $plugin = readdir( $dh ) ) !== false ) {
		if ( substr( $plugin, -4 ) == '.php' )
			$mu_plugins[] = WPMU_PLUGIN_DIR . '/' . $plugin;
	}
	closedir( $dh );
	sort( $mu_plugins );

	return $mu_plugins;
}

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Changelog

Changelog
Version	Description
WP-3.0.0	Introduced.