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aaf99e6913
WordPress' code just... wasn't. This is now dealt with. Props jrf, pento, netweb, GaryJ, jdgrimes, westonruter, Greg Sherwood from PHPCS, and everyone who's ever contributed to WPCS and PHPCS. Fixes #41057. Built from https://develop.svn.wordpress.org/trunk@42343 git-svn-id: http://core.svn.wordpress.org/trunk@42172 1a063a9b-81f0-0310-95a4-ce76da25c4cd
66 lines
2.1 KiB
PHP
66 lines
2.1 KiB
PHP
<?php
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/**
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* Twenty Fifteen back compat functionality
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*
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* Prevents Twenty Fifteen from running on WordPress versions prior to 4.1,
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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 4.1.
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*
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* @package WordPress
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* @subpackage Twenty_Fifteen
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* @since Twenty Fifteen 1.0
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*/
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/**
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* Prevent switching to Twenty Fifteen 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 Twenty Fifteen 1.0
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*/
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function twentyfifteen_switch_theme() {
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switch_theme( WP_DEFAULT_THEME, WP_DEFAULT_THEME );
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unset( $_GET['activated'] );
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add_action( 'admin_notices', 'twentyfifteen_upgrade_notice' );
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}
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add_action( 'after_switch_theme', 'twentyfifteen_switch_theme' );
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/**
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* Add message for unsuccessful theme switch.
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*
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* Prints an update nag after an unsuccessful attempt to switch to
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* Twenty Fifteen on WordPress versions prior to 4.1.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_upgrade_notice() {
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$message = sprintf( __( 'Twenty Fifteen requires at least WordPress version 4.1. You are running version %s. Please upgrade and try again.', 'twentyfifteen' ), $GLOBALS['wp_version'] );
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printf( '<div class="error"><p>%s</p></div>', $message );
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}
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/**
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* Prevent the Customizer from being loaded on WordPress versions prior to 4.1.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_customize() {
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wp_die(
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sprintf( __( 'Twenty Fifteen requires at least WordPress version 4.1. You are running version %s. Please upgrade and try again.', 'twentyfifteen' ), $GLOBALS['wp_version'] ), '', array(
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'back_link' => true,
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)
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);
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}
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add_action( 'load-customize.php', 'twentyfifteen_customize' );
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/**
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* Prevent the Theme Preview from being loaded on WordPress versions prior to 4.1.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_preview() {
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if ( isset( $_GET['preview'] ) ) {
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wp_die( sprintf( __( 'Twenty Fifteen requires at least WordPress version 4.1. You are running version %s. Please upgrade and try again.', 'twentyfifteen' ), $GLOBALS['wp_version'] ) );
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}
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}
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add_action( 'template_redirect', 'twentyfifteen_preview' );
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