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<?php namespace Imagify\Webp\RewriteRules;
defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );
/** * Add and remove rewrite rules to the imagify.conf file to display webp images on the site. * * @since 1.9 * @author Grégory Viguier */ class Nginx extends \Imagify\WriteFile\AbstractNginxDirConfFile {
/** * Name of the tag used as block delemiter. * * @var string * @since 1.9 * @author Grégory Viguier */ const TAG_NAME = 'Imagify: rewrite rules for webp';
/** * Get unfiltered new contents to write into the file. * * @since 1.9 * @access protected * @author Grégory Viguier * * @return string */ protected function get_raw_new_contents() { $extensions = $this->get_extensions_pattern(); $home_root = wp_parse_url( home_url( '/' ) ); $home_root = $home_root['path'];
return trim( ' location ~* ^(' . $home_root . '.+)\.(' . $extensions . ')$ { add_header Vary Accept;
if ($http_accept ~* "webp"){ set $imwebp A; } if (-f $request_filename.webp) { set $imwebp "${imwebp}B"; } if ($imwebp = AB) { rewrite ^(.*) $1.webp; } }' ); } }
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