Fires once a single must-use plugin has loaded.
$mu_pluginstringwp-settings.php:481file scope<?php * Fires once a single must-use plugin has loaded. * * @since 5.1.0 * * @param string $mu_plugin Full path to the plugin's main file. */ do_action( 'mu_plugin_loaded', $mu_plugin );}unset( $mu_plugin, $_wp_plugin_file ); // Load network activated plugins.if ( is_multisite() ) { foreach ( wp_get_active_network_plugins() as $network_plugin ) {Introduced in 5.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.