Action hook 'switch_theme'

Hook Information

Hook Parameters

Usage Examples

<?php
// Hook into switch_theme
add_action('switch_theme', 'my_custom_function', 10, 3);

function my_custom_function($new_name, $new_theme, $old_theme) {
    // Your custom code here
}

Source Code Context

<?php
 873  	 *
 874  	 * @param string   $new_name  Name of the new theme.
 875  	 * @param WP_Theme $new_theme WP_Theme instance of the new theme.
 876  	 * @param WP_Theme $old_theme WP_Theme instance of the old theme.
 877  	 */
 878  	do_action( 'switch_theme', $new_name, $new_theme, $old_theme );
 879  }
 880  
 881  /**
 882   * Checks that the active theme has the required files.
 883   *

PHP Documentation

<?php
/**
	 * Fires after the theme is switched.
	 *
	 * See {@see 'after_switch_theme'}.
	 *
	 * @since 1.5.0
	 * @since 4.5.0 Introduced the `$old_theme` parameter.
	 *
	 * @param string   $new_name  Name of the new theme.
	 * @param WP_Theme $new_theme WP_Theme instance of the new theme.
	 * @param WP_Theme $old_theme WP_Theme instance of the old theme.
	 */