Created
April 20, 2017 08:01
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Save denvers/526878d5f30dfec5650523d1b1225adb to your computer and use it in GitHub Desktop.
Use this simple WordPress function to avoid browser cache issues after updating your CSS / JS assets. Each time you update your assets the URL will change to force browsers to re-download your asset. Yeah, dab!
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| <?php | |
| // add to functions.php | |
| /** | |
| * cache_proof_asset_url | |
| * @param string $asset_file (relative, eg: /css/style.css) | |
| * @return string $asset_file_url (absolute, eg: https://www.domain.com/css/style.css?v=123456789) | |
| */ | |
| function cache_proof_asset_url($asset_file) { | |
| $full_asset_url = bloginfo('stylesheet_directory') . $asset_file; | |
| $full_asset_file = get_stylesheet_directory() . $asset_file; | |
| return sprintf("%s?v=%s", $full_asset_url, filemtime($full_asset_file) ); | |
| } | |
| ?> | |
| <!-- use in your header.php / footer.php --> | |
| <link rel="stylesheet" type="text/css" href="<?php echo cache_proof_asset_url('/css/style.css'); ?>"> |
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Simple but effective 👍