53 lines
1.1 KiB
PHP
53 lines
1.1 KiB
PHP
<?php
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namespace Imagify\Webp\RewriteRules;
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defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
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/**
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* Add and remove rewrite rules to the imagify.conf file to display WebP images on the site.
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*
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* @since 1.9
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* @author Grégory Viguier
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*/
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class Nginx extends \Imagify\WriteFile\AbstractNginxDirConfFile {
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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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* @author Grégory Viguier
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*/
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const TAG_NAME = 'Imagify: rewrite rules for webp';
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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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* @access protected
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* @author Grégory Viguier
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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 = $this->get_extensions_pattern();
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$home_root = wp_parse_url( home_url( '/' ) );
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$home_root = $home_root['path'];
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return trim( '
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location ~* ^(' . $home_root . '.+)\.(' . $extensions . ')$ {
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add_header Vary Accept;
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if ($http_accept ~* "webp"){
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set $imwebp A;
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}
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if (-f $request_filename.webp) {
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set $imwebp "${imwebp}B";
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}
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if ($imwebp = AB) {
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rewrite ^(.*) $1.webp;
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}
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}' );
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}
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}
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