switch-theme

How do I get from search_theme_directories() to the $stylesheet (name) for switch_theme()

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But I can’t seem to sort out how to get the $stylesheet. Easy. $themes = search_theme_directories(); // a random theme $themename = array_rand($themes,1); // that random theme’s stylesheet $stylesheet = content_url(‘/themes/’.$themes[$themename][‘theme_file’]); // The absolute path to that theme’s stylesheet $stylepath = WP_CONTENT_DIR.’/themes/’.$themes[$themename][‘theme_file’]; Getting a random theme that is not a child is more involved. I … Read more

Switch theme if ie compatibility/quirks mode?

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If you’re theme is working fine in IE 6, 7, 8 & 9 with compatibility mode disabled then you don’t really need to have it enabled. If you (try to) respect web standard, you can simply always use http-equiv=”X-UA-Compatible” content=”IE=edge”. To keep compatibility with old browsers, just avoid using latest web features: use the subset … Read more

Can’t switch to a child theme using filters template, option_template and option_stylesheet

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For a parent theme, template and stylesheet should be the same, which is the name of the parent theme directory. But for a child theme, template should be the parent theme’s directory name, whereas stylesheet is the child theme’s directory name. So if you’ve got the following: Parent theme: Twenty Nineteen (directory name: twentynineteen) Child … Read more

How to switch theme if the current user is admin?

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You are sort of doing this in a roundabout way. WordPress has a function called switch_theme(): add_action( ‘setup_theme’, ‘switch_user_theme’ ); function switch_user_theme() { if ( current_user_can( ‘manage_options’ ) ) { switch_theme(‘twentytwelve’); } else { switch_theme(‘twentythirteen’); } } The argument is the directory of the theme you want. I can’t help but think this is a … Read more

How to display message (with switch_theme hook) after deactivating My theme?

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It’s impossible, because after deactivation your theme isn’t even loaded! It’s possible, but hacky. Essentially, we unset the action param, load in the themes admin page & then exit before the redirect-on-success occurs. add_action( ‘switch_theme’, ‘wpse_60972_theme_deactivate_message’ ); function wpse_60972_theme_deactivate_message() { $msg = ‘ <div class=”error”> <p>Your theme has been DEACTIVATED</p> </div>’; add_action( ‘admin_notices’, create_function( ”, … Read more

Switching content between summer and winter

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Probably the easiest thing to use is the date() function with the “daylight savings argument and add a custom <body> class: <?php /** Plugin Name: (#179112) Daylight savings body class */ add_filter( ‘body_class’, ‘daylightsavings_classes’ ); function daylightsavings_classes( Array $classes ) { $classes[] = 0 === date(‘I’) ? ‘winter’ : ‘summer’; return $classes; } This plugin … Read more