check_theme_switched

函式
check_theme_switched ( No parameters )

check_theme_switched: 這個函式檢查當前主題是否被切換,如果被切換,它將執行任何必要的操作。它用於檢測使用者何時切換到一個新的主題。

檢查主題是否被改變,並在下次WP載入時執行’after_switch_theme’鉤子。

參見{@see ‘after_switch_theme’}。

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function check_theme_switched() {
$stylesheet = get_option( 'theme_switched' );
if ( $stylesheet ) {
$old_theme = wp_get_theme( $stylesheet );
// Prevent widget & menu mapping from running since Customizer already called it up front.
if ( get_option( 'theme_switched_via_customizer' ) ) {
remove_action( 'after_switch_theme', '_wp_menus_changed' );
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, $old_theme );
}
flush_rewrite_rules();
update_option( 'theme_switched', false );
}
}
function check_theme_switched() { $stylesheet = get_option( 'theme_switched' ); if ( $stylesheet ) { $old_theme = wp_get_theme( $stylesheet ); // Prevent widget & menu mapping from running since Customizer already called it up front. if ( get_option( 'theme_switched_via_customizer' ) ) { remove_action( 'after_switch_theme', '_wp_menus_changed' ); 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, $old_theme ); } flush_rewrite_rules(); update_option( 'theme_switched', false ); } }
function check_theme_switched() {
	$stylesheet = get_option( 'theme_switched' );

	if ( $stylesheet ) {
		$old_theme = wp_get_theme( $stylesheet );

		// Prevent widget & menu mapping from running since Customizer already called it up front.
		if ( get_option( 'theme_switched_via_customizer' ) ) {
			remove_action( 'after_switch_theme', '_wp_menus_changed' );
			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, $old_theme );
		}

		flush_rewrite_rules();

		update_option( 'theme_switched', false );
	}
}

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