wordpress函数check_theme_switched()用法示例

check_theme_switched()

Checks if a theme has been changed and runs ‘after_switch_theme’ hook on the next WP load.

描述

See ‘after_switch_theme’.

源代码

File: wp-includes/theme.php

function check_theme_switched() {
	if ( $stylesheet = get_option( 'theme_switched' ) ) {
		$old_theme = wp_get_theme( $stylesheet );

		// Prevent retrieve_widgets() from running since Customizer already called it up front
		if ( get_option( 'theme_switched_via_customizer' ) ) {
			remove_action( 'after_switch_theme', '_wp_sidebars_changed' );
			update_option( 'theme_switched_via_customizer', false );
		}

		if ( $old_theme->exists() ) {
			/**
			 * Fires on the first WP load after a theme switch if the old theme still exists.
			 *
			 * This action fires multiple times and the parameters differs
			 * according to the context, if the old theme exists or not.
			 * If the old theme is missing, the parameter will be the slug
			 * of the old theme.
			 *
			 * @since 3.3.0
			 *
			 * @param string   $old_name  Old theme name.
			 * @param WP_Theme $old_theme WP_Theme instance of the old theme.
			 */
			do_action( 'after_switch_theme', $old_theme->get( 'Name' ), $old_theme );
		} else {
			/** This action is documented in wp-includes/theme.php */
			do_action( 'after_switch_theme', $stylesheet );
		}
		flush_rewrite_rules();

		update_option( 'theme_switched', false );
	}
}

更新日志

相关函数

Uses

• wp-includes/theme.php:
  after_switch_theme
• wp-includes/theme.php:
  wp_get_theme()
• wp-includes/plugin.php:
  remove_action()
• wp-includes/plugin.php:
  do_action()
• wp-includes/option.php:
  update_option()
• wp-includes/option.php:
  get_option()
• wp-includes/rewrite.php:
  flush_rewrite_rules()

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