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Twenty Thirteen: add back-compat function to avoid activation with older WordPress installs. Props kovshenin, see #23819 and #13780. 

git-svn-id: http://core.svn.wordpress.org/trunk@23816 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Lance Willett 2013-03-27 17:06:19 +00:00
parent 13378a55ed
commit ef85b45754
2 changed files with 28 additions and 0 deletions
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5
wp-content/themes/twentythirteen/functions.php
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@ -592,3 +592,8 @@ add_action( 'customize_preview_init', 'twentythirteen_customize_preview_js' );
* Adds support for a custom header image.
*/
require( get_template_directory() . '/inc/custom-header.php' );
/**
* Adds back compat handling for WP versions pre-3.6.
*/
require( get_template_directory() . '/inc/back-compat.php' );

23
wp-content/themes/twentythirteen/inc/back-compat.php Normal file
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@ -0,0 +1,23 @@
<?php
/**
* Prevent switching to Twenty Thirteen on old versions of WordPress. Switches
* to the previously activated theme or the default theme.
*/
function twentythirteen_switch_theme( $theme_name, $theme ) {
if ( version_compare( $GLOBALS['wp_version'], '3.6', '>=' ) )
return;
if ( 'twentythirteen' != $theme->template )
switch_theme( $theme->template, $theme->stylesheet );
elseif ( 'twentythirteen' != WP_DEFAULT_THEME )
switch_theme( WP_DEFAULT_THEME );
unset( $_GET['activated'] );
add_action( 'admin_notices', 'twentythirteen_upgrade_notice' );
}
add_action( 'after_switch_theme', 'twentythirteen_switch_theme', 10, 2 );
function twentythirteen_upgrade_notice() {
$message = sprintf( __( 'Twenty Thirteen requires at least WordPress version 3.6. You are running version %s. Please upgrade and try again.' ), $GLOBALS['wp_version'] );
printf( '<div class="error"><p>%s</p></div>', $message );
}