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<?php
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namespace ShortPixel\Helper;
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use ShortPixel\ShortPixelLogger\ShortPixelLogger as Log;
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly.
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}
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// Our newest Tools class
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class UtilHelper
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{
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public static function getPostMetaTable()
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{
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global $wpdb;
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return $wpdb->prefix . 'shortpixel_postmeta';
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}
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public static function shortPixelIsPluginActive($plugin) {
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$activePlugins = apply_filters( 'active_plugins', get_option( 'active_plugins', array()));
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if ( is_multisite() ) {
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$activePlugins = array_merge($activePlugins, get_site_option( 'active_sitewide_plugins'));
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}
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return in_array( $plugin, $activePlugins);
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}
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static public function timestampToDB($timestamp)
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{
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return date("Y-m-d H:i:s", $timestamp);
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}
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static public function DBtoTimestamp($date)
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{
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return strtotime($date);
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}
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public static function getWordPressImageSizes()
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{
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global $_wp_additional_image_sizes;
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$sizes_names = get_intermediate_image_sizes();
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$sizes = array();
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foreach ( $sizes_names as $size ) {
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$sizes[ $size ][ 'width' ] = intval( get_option( "{$size}_size_w" ) );
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$sizes[ $size ][ 'height' ] = intval( get_option( "{$size}_size_h" ) );
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$sizes[ $size ][ 'crop' ] = get_option( "{$size}_crop" ) ? get_option( "{$size}_crop" ) : false;
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$sizes[ $size ][ 'nice-name'] = ucfirst($size);
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}
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if(function_exists('wp_get_additional_image_sizes')) {
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$sizes = array_merge($sizes, wp_get_additional_image_sizes());
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} elseif(is_array($_wp_additional_image_sizes)) {
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$sizes = array_merge($sizes, $_wp_additional_image_sizes);
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}
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$sizes = apply_filters('shortpixel/settings/image_sizes', $sizes);
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return $sizes;
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}
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// wp_normalize_path doesn't work for windows installs in some situations, so we can use it, but we still want some of the functions.
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public static function spNormalizePath($path)
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{
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$path = preg_replace( '|(?<=.)/+|', '/', $path );
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return $path;
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}
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// Copy of private https://developer.wordpress.org/reference/functions/_wp_relative_upload_path/
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public static function getRelativeUploadPath($path)
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{
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$new_path = $path;
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$uploads = wp_get_upload_dir();
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if ( 0 === strpos( $new_path, $uploads['basedir'] ) ) {
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$new_path = str_replace( $uploads['basedir'], '', $new_path );
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$new_path = ltrim( $new_path, '/' );
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}
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return $new_path;
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}
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public static function getExclusions($args = array())
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{
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$defaults = array(
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'filter' => false,
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'thumbname' => null,
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'is_thumbnail' => false,
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'is_custom' => false,
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);
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$args = wp_parse_args($args, $defaults);
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$patterns = \wpSPIO()->settings()->excludePatterns;
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$matches = array();
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if (false === is_array($patterns))
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{
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return array();
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}
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foreach($patterns as $index => $pattern)
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{
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if (! isset($pattern['apply']))
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{
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$patterns[$index]['apply'] = 'all';
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}
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if (true === $args['filter'])
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{
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if (true === self::matchExclusion($patterns[$index], $args))
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{
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$matches[] = $pattern;
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}
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}
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}
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if (true === $args['filter'])
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{
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return $matches;
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}
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else
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return $patterns;
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}
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protected static function matchExclusion($pattern, $options)
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{
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$apply = $pattern['apply'];
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$thumblist = isset($pattern['thumblist']) ? $pattern['thumblist'] : array();
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$bool = false;
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if ($apply === 'all')
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{
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$bool = true;
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}
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elseif ($apply == 'only-thumbs' && true === $options['is_thumbnail'])
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{
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$bool = true;
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}
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elseif ($apply == 'only-custom' && true === $options['is_custom'])
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{
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$bool = true;
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}
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elseif (count($thumblist) > 0 && ! is_null($options['thumbname']))
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{
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$thumbname = $options['thumbname'];
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if (in_array($thumbname, $thumblist))
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{
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$bool = true;
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}
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}
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return $bool;
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}
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public static function alterHtaccess($webp = false, $avif = false)
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{
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// [BS] Backward compat. 11/03/2019 - remove possible settings from root .htaccess
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/* Plugin init is before loading these admin scripts. So it can happen misc.php is not yet loaded */
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if (! function_exists('insert_with_markers'))
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{
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Log::addWarn('AlterHtaccess Called before WP init');
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return;
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//require_once( ABSPATH . 'wp-admin/includes/misc.php' );
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}
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$upload_dir = wp_upload_dir();
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$upload_base = trailingslashit($upload_dir['basedir']);
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if (false === $webp && false === $avif ) {
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insert_with_markers( get_home_path() . '.htaccess', 'ShortPixelWebp', '');
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// Only empty these tags if the file actually exist, they are created by SPIO.
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if (file_exists($upload_base . '.htaccess'))
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{
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insert_with_markers( $upload_base . '.htaccess', 'ShortPixelWebp', '');
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}
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if (file_exists(trailingslashit(WP_CONTENT_DIR) . '.htaccess'))
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{
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insert_with_markers( trailingslashit(WP_CONTENT_DIR) . '.htaccess', 'ShortPixelWebp', '');
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}
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} else {
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$avif_rules = '
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<IfModule mod_rewrite.c>
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RewriteEngine On
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##### Directives for delivering AVIF files, if they exist #####
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# Does the browser support avif?
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RewriteCond %{HTTP_ACCEPT} image/avif
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# AND is the request a jpg or png? (also grab the basepath %1 to match in the next rule)
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RewriteCond %{REQUEST_URI} ^(.+)\.(?:jpe?g|png|gif)$
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# AND does a .avif image exist?
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RewriteCond %{DOCUMENT_ROOT}/%1.avif -f
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# THEN send the avif image and set the env var avif
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RewriteRule (.+)\.(?:jpe?g|png)$ $1.avif [NC,T=image/avif,E=avif,L]
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# Does the browser support avif?
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RewriteCond %{HTTP_ACCEPT} image/avif
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# AND is the request a jpg or png? (also grab the basepath %1 to match in the next rule)
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RewriteCond %{REQUEST_URI} ^(.+)\.(?:jpe?g|png|gif)$
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# AND does a .jpg.avif image exist?
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RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI}.avif -f
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# THEN send the avif image and set the env var avif
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RewriteRule ^(.+)$ $1.avif [NC,T=image/avif,E=avif,L]
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</IfModule>
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<IfModule mod_headers.c>
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# If REDIRECT_avif env var exists, append Accept to the Vary header
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Header append Vary Accept env=REDIRECT_avif
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</IfModule>
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<IfModule mod_mime.c>
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AddType image/avif .avif
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</IfModule>
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';
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$webp_rules = '
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<IfModule mod_rewrite.c>
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RewriteEngine On
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##### TRY FIRST the file appended with .webp (ex. test.jpg.webp) #####
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# Is the browser Chrome?
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RewriteCond %{HTTP_USER_AGENT} Chrome [OR]
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# OR Is request from Page Speed
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RewriteCond %{HTTP_USER_AGENT} "Google Page Speed Insights" [OR]
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# OR does this browser explicitly support webp
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RewriteCond %{HTTP_ACCEPT} image/webp
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# AND NOT MS EDGE 42/17 - doesnt work.
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RewriteCond %{HTTP_USER_AGENT} !Edge/17
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# AND is the request a jpg, png or gif?
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RewriteCond %{REQUEST_URI} ^(.+)\.(?:jpe?g|png|gif)$
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# AND does a .ext.webp image exist?
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RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI}.webp -f
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# THEN send the webp image and set the env var webp
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RewriteRule ^(.+)$ $1.webp [NC,T=image/webp,E=webp,L]
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##### IF NOT, try the file with replaced extension (test.webp) #####
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RewriteCond %{HTTP_USER_AGENT} Chrome [OR]
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RewriteCond %{HTTP_USER_AGENT} "Google Page Speed Insights" [OR]
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RewriteCond %{HTTP_ACCEPT} image/webp
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RewriteCond %{HTTP_USER_AGENT} !Edge/17
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# AND is the request a jpg, png or gif? (also grab the basepath %1 to match in the next rule)
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RewriteCond %{REQUEST_URI} ^(.+)\.(?:jpe?g|png|gif)$
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# AND does a .webp image exist?
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RewriteCond %{DOCUMENT_ROOT}/%1.webp -f
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# THEN send the webp image and set the env var webp
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RewriteRule (.+)\.(?:jpe?g|png|gif)$ $1.webp [NC,T=image/webp,E=webp,L]
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</IfModule>
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<IfModule mod_headers.c>
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# If REDIRECT_webp env var exists, append Accept to the Vary header
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Header append Vary Accept env=REDIRECT_webp
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</IfModule>
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<IfModule mod_mime.c>
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AddType image/webp .webp
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</IfModule>
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' ;
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$rules = '';
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// if ($avif)
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$rules .= $avif_rules;
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// if ($webp)
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$rules .= $webp_rules;
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insert_with_markers( get_home_path() . '.htaccess', 'ShortPixelWebp', $rules);
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/** In uploads and on, it needs Inherit. Otherwise things such as the 404 error page will not be loaded properly
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* since the WP rewrite will not be active at that point (overruled) **/
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$rules = str_replace('RewriteEngine On', 'RewriteEngine On' . PHP_EOL . 'RewriteOptions Inherit', $rules);
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// Can shortcircuit (return false) the creation of subdirectory Htaccess files if this causes issues and is not needed.
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$bool = apply_filters('shortpixel/install/write_deep_htaccess', true);
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if (true === $bool)
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{
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insert_with_markers( $upload_base . '.htaccess', 'ShortPixelWebp', $rules);
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insert_with_markers( trailingslashit(WP_CONTENT_DIR) . '.htaccess', 'ShortPixelWebp', $rules);
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}
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}
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}
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} // class
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