Make WordPress Core

Ticket #13780: 13780-check-theme-version-on-activate.diff

File 13780-check-theme-version-on-activate.diff, 1.6 KB (added by pdclark, 9 years ago)

Check theme version before switching themes. Checks for "Requires at least:" in theme style.css head.

  • wp-includes/class-wp-theme.php

    diff --git wp-includes/class-wp-theme.php wp-includes/class-wp-theme.php
    index dfff705..853ae43 100644
    final class WP_Theme implements ArrayAccess { 
    2222                'Author'      => 'Author',
    2323                'AuthorURI'   => 'Author URI',
    2424                'Version'     => 'Version',
     25                'Requires'    => 'Requires at least',
    2526                'Template'    => 'Template',
    2627                'Status'      => 'Status',
    2728                'Tags'        => 'Tags',
  • wp-includes/theme.php

    diff --git wp-includes/theme.php wp-includes/theme.php
    index 8b8f42c..f8ea55a 100644
    function preview_theme_ob_filter_callback( $matches ) { 
    661661 * @param string $stylesheet Stylesheet name
    662662 */
    663663function switch_theme( $stylesheet ) {
    664         global $wp_theme_directories, $sidebars_widgets;
    665 
    666         if ( is_array( $sidebars_widgets ) )
    667                 set_theme_mod( 'sidebars_widgets', array( 'time' => time(), 'data' => $sidebars_widgets ) );
     664        global $wp_theme_directories, $sidebars_widgets, $wp_version;
    668665
    669666        $old_theme  = wp_get_theme();
    670667        $new_theme = wp_get_theme( $stylesheet );
    671668
     669        if ( version_compare( $wp_version, $new_theme->get('Requires'), '<' ) ) {
     670                wp_die( sprintf( __('The theme %s requires WordPress %s or higher. Please <a href="%s">update WordPress</a>.'), '<strong>' . $new_theme->get('Name') . '</strong>', $new_theme->get('Requires'), network_admin_url('update-core.php') ) );
     671        }
     672
     673        if ( is_array( $sidebars_widgets ) )
     674                set_theme_mod( 'sidebars_widgets', array( 'time' => time(), 'data' => $sidebars_widgets ) );
     675
    672676        if ( func_num_args() > 1 ) {
    673677                $template = $stylesheet;
    674678                $stylesheet = func_get_arg( 1 );