90 lines
2.9 KiB
PHP
Executable File
90 lines
2.9 KiB
PHP
Executable File
<?php
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/**
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* Theme back compatibility functionality
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*
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* Prevents Hester from running on WordPress versions prior to 4.7,
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* since this theme is not meant to be backward compatible beyond that and
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* relies on many newer functions and markup changes introduced in 4.7.
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*
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* @package Hester
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* @author Peregrine Themes
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* @since 1.0.0
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*/
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/**
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* Do not allow direct script access.
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Prevent switching to Highend X on old versions of WordPress.
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*
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* Switches to the default theme.
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*
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* @since 1.0.0
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*/
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function hester_switch_theme() {
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switch_theme( WP_DEFAULT_THEME );
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unset( $_GET['activated'] ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended
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add_action( 'admin_notices', 'hester_upgrade_notice' );
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}
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add_action( 'after_switch_theme', 'hester_switch_theme' );
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/**
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* Adds a message for unsuccessful theme switch.
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*
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* Prints an update nag after an unsuccessful attempt to switch to
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* Hester on WordPress versions prior to 4.7.
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*
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* @since 1.0.0
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* @global string $wp_version WordPress version.
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*/
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function hester_upgrade_notice() {
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/* translators: %s WordPress version */
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$message = sprintf( esc_html__( 'Hester theme requires at least WordPress version 4.7. You are running version %s. Please upgrade and try again.', 'hester' ), $GLOBALS['wp_version'] );
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printf( '<div class="error"><p>%s</p></div>', esc_html( $message ) );
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}
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/**
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* Prevents the Customizer from being loaded on WordPress versions prior to 4.7.
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*
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* @since 1.0.0
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* @global string $wp_version WordPress version.
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*/
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function hester_customize_prevent() {
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/* translators: %s WordPress version */
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$message = sprintf( esc_html__( 'Hester theme requires at least WordPress version 4.7. You are running version %s. Please upgrade your WordPress and try again.', 'hester' ), $GLOBALS['wp_version'] );
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wp_die( esc_html( $message ), '', array( 'back_link' => true ) );
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}
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add_action( 'load-customize.php', 'hester_customize_prevent' );
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/**
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* Prevents the Theme Preview from being loaded on WordPress versions prior to 4.7.
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*
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* @since 1.0.0
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* @global string $wp_version WordPress version.
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*/
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function hester_preview_prevent() {
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if ( isset( $_GET['preview'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended
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/* translators: %s WordPress version */
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$message = sprintf( esc_html__( 'Hester theme requires at least WordPress version 4.7. You are running version %s. Please upgrade and try again.', 'hester' ), $GLOBALS['wp_version'] );
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wp_die( esc_html( $message ) );
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}
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}
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add_action( 'template_redirect', 'hester_preview_prevent' );
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if ( ! function_exists( 'wp_body_open' ) ) {
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/**
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* Backward compatibility for wp_body_open hook.
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*
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* @since 1.0.0
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*/
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function wp_body_open() { // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedFunctionFound
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do_action( 'wp_body_open' ); // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound
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}
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}
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