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<?php |
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declare(strict_types=1); |
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|
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namespace Imagify\Webp\RewriteRules; |
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|
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use Imagify\WriteFile\AbstractApacheDirConfFile; |
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|
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/** |
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* Add and remove rewrite rules to the .htaccess file to display WebP images on the site. |
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* |
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* @since 1.9 |
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*/ |
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class Apache extends AbstractApacheDirConfFile { |
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|
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/** |
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* Name of the tag used as block delemiter. |
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* |
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* @var string |
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* @since 1.9 |
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*/ |
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const TAG_NAME = 'Imagify: rewrite rules for webp'; |
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|
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/** |
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* Get unfiltered new contents to write into the file. |
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* |
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* @since 1.9 |
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* @source https://github.com/vincentorback/WebP-images-with-htaccess |
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* |
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* @return string |
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*/ |
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protected function get_raw_new_contents() { |
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$extensions = $this->get_extensions_pattern(); |
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$extensions = str_replace( '|webp', '', $extensions ); |
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$home_root = wp_parse_url( home_url( '/' ) ); |
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$home_root = $home_root['path']; |
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|
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return trim( ' |
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<IfModule mod_setenvif.c> |
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# Vary: Accept for all the requests to jpeg, png, and gif. |
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SetEnvIf Request_URI "\.(' . $extensions . ')$" REQUEST_image |
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</IfModule> |
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|
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<IfModule mod_rewrite.c> |
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RewriteEngine On |
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RewriteBase ' . $home_root . ' |
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|
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# Check if browser supports WebP images. |
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RewriteCond %{HTTP_ACCEPT} image/webp |
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|
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# Check if WebP replacement image exists. |
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RewriteCond %{REQUEST_FILENAME}.webp -f |
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|
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# Serve WebP image instead. |
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RewriteRule (.+)\.(' . $extensions . ')$ $1.$2.webp [T=image/webp,NC] |
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</IfModule> |
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|
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<IfModule mod_headers.c> |
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Header append Vary Accept env=REQUEST_image |
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</IfModule>' ); |
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} |
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} |
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|
