pluto3/inc/back-compat.php
2017-09-19 16:23:41 +08:00

72 lines
2.0 KiB
PHP

<?php
/**
* Pluto back compat functionality
*
* Prevents Pluto from running on WordPress versions prior to 3.6,
* since this theme is not meant to be backward compatible beyond that
* and relies on many newer functions and markup changes introduced in 3.6.
*
* @package WordPress
* @subpackage Pluto
* @since Pluto 1.0
*/
/**
* Prevent switching to Pluto on old versions of WordPress.
*
* Switches to the default theme.
*
* @since Pluto 1.0
*
* @return void
*/
function pluto_switch_theme() {
switch_theme( WP_DEFAULT_THEME, WP_DEFAULT_THEME );
unset( $_GET['activated'] );
add_action( 'admin_notices', 'pluto_upgrade_notice' );
}
add_action( 'after_switch_theme', 'pluto_switch_theme' );
/**
* Add message for unsuccessful theme switch.
*
* Prints an update nag after an unsuccessful attempt to switch to
* Pluto on WordPress versions prior to 3.6.
*
* @since Pluto 1.0
*
* @return void
*/
function pluto_upgrade_notice() {
$message = sprintf( __( 'Pluto requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'pluto' ), $GLOBALS['wp_version'] );
printf( '<div class="error"><p>%s</p></div>', $message );
}
/**
* Prevent the Theme Customizer from being loaded on WordPress versions prior to 3.6.
*
* @since Pluto 1.0
*
* @return void
*/
function pluto_customize() {
wp_die( sprintf( __( 'Pluto requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'pluto' ), $GLOBALS['wp_version'] ), '', array(
'back_link' => true,
) );
}
add_action( 'load-customize.php', 'pluto_customize' );
/**
* Prevent the Theme Preview from being loaded on WordPress versions prior to 3.4.
*
* @since Pluto 1.0
*
* @return void
*/
function pluto_preview() {
if ( isset( $_GET['preview'] ) ) {
wp_die( sprintf( __( 'Pluto requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.', 'pluto' ), $GLOBALS['wp_version'] ) );
}
}
add_action( 'template_redirect', 'pluto_preview' );