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January 23, 2018 02:30
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Filename-based cache busting for WordPress.
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| <?php | |
| // changes CSS and JavaScript URLs from `css/style.css?ver=1.3.3.7` to `css/style.1.3.3.7.css` | |
| if ( ! is_admin() ) { | |
| foreach ( array( 'style_loader_src', 'script_loader_src' ) as $filter ) { | |
| add_filter( $filter, function( $url ) { | |
| // abort if `$url` doesn't start with `WP_CONTENT_URL` | |
| if ( strpos( $url, WP_CONTENT_URL ) !== 0 ) | |
| return $url; | |
| parse_str( parse_url( $url, PHP_URL_QUERY ) ); | |
| if ( isset( $ver ) ) { | |
| $ver = preg_replace( '~[^.0-9]+~', '', $ver ); | |
| if ( strlen( $ver ) > 1 ) { | |
| return preg_replace( '~(.+?)\.(css|js)~', "$1.$ver.$2", remove_query_arg( 'ver' , $url ) ); | |
| } | |
| } | |
| return $url; | |
| }); | |
| } | |
| } |
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| # Redirect requests like `/css/style.1337.css` to `/css/style.css`. | |
| RewriteCond %{REQUEST_FILENAME} !-f | |
| RewriteCond %{REQUEST_FILENAME} !-d | |
| RewriteRule ^(.+)\.(\d+)\.(js|css)$ $1.$3 [L] |
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