futtta / autoptimize

classes/autoptimizeUtils.php

Spacing +82 added lines, -82 removed lines

@@ -3,7 +3,7 @@ 
  * General helpers.
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit;
 }
 
@@ -16,15 +16,15 @@ 
      *
      * @return bool
      */
-    public static function mbstring_available( $override = null )
+    public static function mbstring_available($override = null)
     {
         static $available = null;
 
-        if ( null === $available ) {
-            $available = \extension_loaded( 'mbstring' );
+        if (null === $available) {
+            $available = \extension_loaded('mbstring');
         }
 
-        if ( null !== $override ) {
+        if (null !== $override) {
             $available = $override;
         }
 
@@ -42,12 +42,12 @@ 
      *
      * @return int|false
      */
-    public static function strpos( $haystack, $needle, $offset = 0, $encoding = null )
+    public static function strpos($haystack, $needle, $offset = 0, $encoding = null)
     {
-        if ( self::mbstring_available() ) {
-            return ( null === $encoding ) ? \mb_strpos( $haystack, $needle, $offset ) : \mb_strpos( $haystack, $needle, $offset, $encoding );
+        if (self::mbstring_available()) {
+            return (null === $encoding) ? \mb_strpos($haystack, $needle, $offset) : \mb_strpos($haystack, $needle, $offset, $encoding);
         } else {
-            return \strpos( $haystack, $needle, $offset );
+            return \strpos($haystack, $needle, $offset);
         }
     }
 
@@ -62,12 +62,12 @@ 
      * @return int Number of charcters or bytes in given $string
      *             (characters if/when supported, bytes otherwise).
      */
-    public static function strlen( $string, $encoding = null )
+    public static function strlen($string, $encoding = null)
     {
-        if ( self::mbstring_available() ) {
-            return ( null === $encoding ) ? \mb_strlen( $string ) : \mb_strlen( $string, $encoding );
+        if (self::mbstring_available()) {
+            return (null === $encoding) ? \mb_strlen($string) : \mb_strlen($string, $encoding);
         } else {
-            return \strlen( $string );
+            return \strlen($string);
         }
     }
 
@@ -85,44 +85,44 @@ 
      *
      * @return string
      */
-    public static function substr_replace( $string, $replacement, $start, $length = null, $encoding = null )
+    public static function substr_replace($string, $replacement, $start, $length = null, $encoding = null)
     {
-        if ( self::mbstring_available() ) {
-            $strlen = self::strlen( $string, $encoding );
+        if (self::mbstring_available()) {
+            $strlen = self::strlen($string, $encoding);
 
-            if ( $start < 0 ) {
+            if ($start < 0) {
                 if ( -$start < $strlen ) {
                     $start = $strlen + $start;
                 } else {
                     $start = 0;
                 }
-            } elseif ( $start > $strlen ) {
+            } elseif ($start > $strlen) {
                 $start = $strlen;
             }
 
-            if ( null === $length || '' === $length ) {
+            if (null === $length || '' === $length) {
                 $start2 = $strlen;
-            } elseif ( $length < 0 ) {
+            } elseif ($length < 0) {
                 $start2 = $strlen + $length;
-                if ( $start2 < $start ) {
+                if ($start2 < $start) {
                     $start2 = $start;
                 }
             } else {
                 $start2 = $start + $length;
             }
 
-            if ( null === $encoding ) {
-                $leader  = $start ? \mb_substr( $string, 0, $start ) : '';
-                $trailer = ( $start2 < $strlen ) ? \mb_substr( $string, $start2, null ) : '';
+            if (null === $encoding) {
+                $leader  = $start ? \mb_substr($string, 0, $start) : '';
+                $trailer = ($start2 < $strlen) ? \mb_substr($string, $start2, null) : '';
             } else {
-                $leader  = $start ? \mb_substr( $string, 0, $start, $encoding ) : '';
-                $trailer = ( $start2 < $strlen ) ? \mb_substr( $string, $start2, null, $encoding ) : '';
+                $leader  = $start ? \mb_substr($string, 0, $start, $encoding) : '';
+                $trailer = ($start2 < $strlen) ? \mb_substr($string, $start2, null, $encoding) : '';
             }
 
             return "{$leader}{$replacement}{$trailer}";
         }
 
-        return ( null === $length ) ? \substr_replace( $string, $replacement, $start ) : \substr_replace( $string, $replacement, $start, $length );
+        return (null === $length) ? \substr_replace($string, $replacement, $start) : \substr_replace($string, $replacement, $start, $length);
     }
 
     /**
@@ -132,16 +132,16 @@ 
      *
      * @return bool
      */
-    public static function siteurl_not_root( $override = null )
+    public static function siteurl_not_root($override = null)
     {
         static $subdir = null;
 
-        if ( null === $subdir ) {
+        if (null === $subdir) {
             $parts  = self::get_ao_wp_site_url_parts();
-            $subdir = ( isset( $parts['path'] ) && ( '/' !== $parts['path'] ) );
+            $subdir = (isset($parts['path']) && ('/' !== $parts['path']));
         }
 
-        if ( null !== $override ) {
+        if (null !== $override) {
             $subdir = $override;
         }
 
@@ -158,8 +158,8 @@ 
     {
         static $parts = array();
 
-        if ( empty( $parts ) ) {
-            $parts = \parse_url( AUTOPTIMIZE_WP_SITE_URL );
+        if (empty($parts)) {
+            $parts = \parse_url(AUTOPTIMIZE_WP_SITE_URL);
         }
 
         return $parts;
@@ -174,33 +174,33 @@ 
      *
      * @return string
      */
-    public static function tweak_cdn_url_if_needed( $cdn_url, $force_cache_miss = false )
+    public static function tweak_cdn_url_if_needed($cdn_url, $force_cache_miss = false)
     {
         static $results = array();
 
-        if ( ! isset( $results[ $cdn_url ] ) || $force_cache_miss ) {
+        if (!isset($results[$cdn_url]) || $force_cache_miss) {
 
             // In order to return unmodified input when there's no need to tweak.
-            $results[ $cdn_url ] = $cdn_url;
+            $results[$cdn_url] = $cdn_url;
 
             // Behind a default true filter for backcompat, and only for sites
             // in a subfolder/subdirectory, but still easily turned off if
             // not wanted/needed...
-            if ( autoptimizeUtils::siteurl_not_root() ) {
-                $check = apply_filters( 'autoptimize_filter_cdn_magic_path_check', true, $cdn_url );
-                if ( $check ) {
+            if (autoptimizeUtils::siteurl_not_root()) {
+                $check = apply_filters('autoptimize_filter_cdn_magic_path_check', true, $cdn_url);
+                if ($check) {
                     $site_url_parts = autoptimizeUtils::get_ao_wp_site_url_parts();
-                    $cdn_url_parts  = \parse_url( $cdn_url );
-                    $schemeless     = self::is_protocol_relative( $cdn_url );
-                    $cdn_url_parts  = self::maybe_replace_cdn_path( $site_url_parts, $cdn_url_parts );
-                    if ( false !== $cdn_url_parts ) {
-                        $results[ $cdn_url ] = self::assemble_parsed_url( $cdn_url_parts, $schemeless );
+                    $cdn_url_parts  = \parse_url($cdn_url);
+                    $schemeless     = self::is_protocol_relative($cdn_url);
+                    $cdn_url_parts  = self::maybe_replace_cdn_path($site_url_parts, $cdn_url_parts);
+                    if (false !== $cdn_url_parts) {
+                        $results[$cdn_url] = self::assemble_parsed_url($cdn_url_parts, $schemeless);
                     }
                 }
             }
         }
 
-        return $results[ $cdn_url ];
+        return $results[$cdn_url];
     }
 
     /**
@@ -214,10 +214,10 @@ 
      *
      * @return array|false
      */
-    public static function maybe_replace_cdn_path( array $site_url_parts, array $cdn_url_parts )
+    public static function maybe_replace_cdn_path(array $site_url_parts, array $cdn_url_parts)
     {
-        if ( isset( $site_url_parts['path'] ) && '/' !== $site_url_parts['path'] ) {
-            if ( ! isset( $cdn_url_parts['path'] ) || '/' === $cdn_url_parts['path'] ) {
+        if (isset($site_url_parts['path']) && '/' !== $site_url_parts['path']) {
+            if (!isset($cdn_url_parts['path']) || '/' === $cdn_url_parts['path']) {
                 $cdn_url_parts['path'] = $site_url_parts['path'];
                 return $cdn_url_parts;
             }
@@ -237,20 +237,20 @@ 
      *
      * @return string
      */
-    public static function assemble_parsed_url( array $parsed_url, $schemeless = false )
+    public static function assemble_parsed_url(array $parsed_url, $schemeless = false)
     {
-        $scheme = isset( $parsed_url['scheme'] ) ? $parsed_url['scheme'] . '://' : '';
-        if ( $schemeless ) {
+        $scheme = isset($parsed_url['scheme']) ? $parsed_url['scheme'].'://' : '';
+        if ($schemeless) {
             $scheme = '//';
         }
-        $host     = isset( $parsed_url['host'] ) ? $parsed_url['host'] : '';
-        $port     = isset( $parsed_url['port'] ) ? ':' . $parsed_url['port'] : '';
-        $user     = isset( $parsed_url['user'] ) ? $parsed_url['user'] : '';
-        $pass     = isset( $parsed_url['pass'] ) ? ':' . $parsed_url['pass'] : '';
-        $pass     = ( $user || $pass ) ? "$pass@" : '';
-        $path     = isset( $parsed_url['path'] ) ? $parsed_url['path'] : '';
-        $query    = isset( $parsed_url['query'] ) ? '?' . $parsed_url['query'] : '';
-        $fragment = isset( $parsed_url['fragment'] ) ? '#' . $parsed_url['fragment'] : '';
+        $host     = isset($parsed_url['host']) ? $parsed_url['host'] : '';
+        $port     = isset($parsed_url['port']) ? ':'.$parsed_url['port'] : '';
+        $user     = isset($parsed_url['user']) ? $parsed_url['user'] : '';
+        $pass     = isset($parsed_url['pass']) ? ':'.$parsed_url['pass'] : '';
+        $pass     = ($user || $pass) ? "$pass@" : '';
+        $path     = isset($parsed_url['path']) ? $parsed_url['path'] : '';
+        $query    = isset($parsed_url['query']) ? '?'.$parsed_url['query'] : '';
+        $fragment = isset($parsed_url['fragment']) ? '#'.$parsed_url['fragment'] : '';
 
         return "$scheme$user$pass$host$port$path$query$fragment";
     }
@@ -262,12 +262,12 @@ 
      *
      * @return bool
      */
-    public static function is_protocol_relative( $url )
+    public static function is_protocol_relative($url)
     {
         $result = false;
 
-        if ( ! empty( $url ) ) {
-            $result = ( 0 === strpos( $url, '//' ) );
+        if (!empty($url)) {
+            $result = (0 === strpos($url, '//'));
         }
 
         return $result;
@@ -280,9 +280,9 @@ 
      *
      * @return string
      */
-    public static function path_canonicalize( $path )
+    public static function path_canonicalize($path)
     {
-        $patterns     = array(
+        $patterns = array(
             '~/{2,}~',
             '~/(\./)+~',
             '~([^/\.]+/(?R)*\.{2,}/)~',
@@ -295,7 +295,7 @@ 
             '',
         );
 
-        return preg_replace( $patterns, $replacements, $path );
+        return preg_replace($patterns, $replacements, $path);
     }
 
     /**
@@ -307,15 +307,15 @@ 
      *
      * @return null|array Service status or null.
      */
-    public static function check_service_availability( $return_result = false )
+    public static function check_service_availability($return_result = false)
     {
-        $service_availability_resp = wp_remote_get( 'https://misc.optimizingmatters.com/api/autoptimize_service_availablity.json?from=aomain&ver=' . AUTOPTIMIZE_PLUGIN_VERSION );
-        if ( ! is_wp_error( $service_availability_resp ) ) {
-            if ( '200' == wp_remote_retrieve_response_code( $service_availability_resp ) ) {
-                $availabilities = json_decode( wp_remote_retrieve_body( $service_availability_resp ), true );
-                if ( is_array( $availabilities ) ) {
-                    update_option( 'autoptimize_service_availablity', $availabilities );
-                    if ( $return_result ) {
+        $service_availability_resp = wp_remote_get('https://misc.optimizingmatters.com/api/autoptimize_service_availablity.json?from=aomain&ver='.AUTOPTIMIZE_PLUGIN_VERSION);
+        if (!is_wp_error($service_availability_resp)) {
+            if ('200' == wp_remote_retrieve_response_code($service_availability_resp)) {
+                $availabilities = json_decode(wp_remote_retrieve_body($service_availability_resp), true);
+                if (is_array($availabilities)) {
+                    update_option('autoptimize_service_availablity', $availabilities);
+                    if ($return_result) {
                         return $availabilities;
                     }
                 }
@@ -331,10 +331,10 @@ 
      *
      * @return bool
      */
-    public static function str_is_valid_regex( $string )
+    public static function str_is_valid_regex($string)
     {
-        set_error_handler( function() {}, E_WARNING );
-        $is_regex = ( false !== preg_match( $string, '' ) );
+        set_error_handler(function() {}, E_WARNING);
+        $is_regex = (false !== preg_match($string, ''));
         restore_error_handler();
 
         return $is_regex;
@@ -347,16 +347,16 @@ 
      *
      * @return bool
      */
-    public static function is_plugin_active( $plugin_file )
+    public static function is_plugin_active($plugin_file)
     {
         static $ipa_exists = null;
-        if ( null === $ipa_exists ) {
-            if ( ! function_exists( '\is_plugin_active' ) ) {
-                require_once ABSPATH . 'wp-admin/includes/plugin.php';
+        if (null === $ipa_exists) {
+            if (!function_exists('\is_plugin_active')) {
+                require_once ABSPATH.'wp-admin/includes/plugin.php';
             }
-            $ipa_exists = function_exists( '\is_plugin_active' );
+            $ipa_exists = function_exists('\is_plugin_active');
         }
 
-        return $ipa_exists && \is_plugin_active( $plugin_file );
+        return $ipa_exists && \is_plugin_active($plugin_file);
     }
 }

classes/autoptimizeBase.php

Spacing +151 added lines, -151 removed lines

@@ -3,7 +3,7 @@ 
  * Base class other (more-specific) classes inherit from.
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit;
 }
 
@@ -26,7 +26,7 @@ 
     /** @var string */
     public $cdn_url = '';
 
-    public function __construct( $content )
+    public function __construct($content)
     {
         $this->content = $content;
     }
@@ -38,7 +38,7 @@ 
      *
      * @return bool
      */
-    abstract public function read( $options );
+    abstract public function read($options);
 
     /**
      * Joins and optimizes collected things.
@@ -69,40 +69,40 @@ 
      *
      * @return bool|string
      */
-    public function getpath( $url )
+    public function getpath($url)
     {
-        $url = apply_filters( 'autoptimize_filter_cssjs_alter_url', $url );
+        $url = apply_filters('autoptimize_filter_cssjs_alter_url', $url);
 
-        if ( false !== strpos( $url, '%' ) ) {
-            $url = urldecode( $url );
+        if (false !== strpos($url, '%')) {
+            $url = urldecode($url);
         }
 
-        $site_host    = parse_url( AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST );
-        $content_host = parse_url( AUTOPTIMIZE_WP_ROOT_URL, PHP_URL_HOST );
+        $site_host    = parse_url(AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST);
+        $content_host = parse_url(AUTOPTIMIZE_WP_ROOT_URL, PHP_URL_HOST);
 
         // Normalizing attempts...
-        $double_slash_position = strpos( $url, '//' );
-        if ( 0 === $double_slash_position ) {
-            if ( is_ssl() ) {
-                $url = 'https:' . $url;
+        $double_slash_position = strpos($url, '//');
+        if (0 === $double_slash_position) {
+            if (is_ssl()) {
+                $url = 'https:'.$url;
             } else {
-                $url = 'http:' . $url;
+                $url = 'http:'.$url;
             }
-        } elseif ( ( false === $double_slash_position ) && ( false === strpos( $url, $site_host ) ) ) {
-            if ( AUTOPTIMIZE_WP_SITE_URL === $site_host ) {
-                $url = AUTOPTIMIZE_WP_SITE_URL . $url;
+        } elseif ((false === $double_slash_position) && (false === strpos($url, $site_host))) {
+            if (AUTOPTIMIZE_WP_SITE_URL === $site_host) {
+                $url = AUTOPTIMIZE_WP_SITE_URL.$url;
             } else {
-                $url = AUTOPTIMIZE_WP_SITE_URL . autoptimizeUtils::path_canonicalize( $url );
+                $url = AUTOPTIMIZE_WP_SITE_URL.autoptimizeUtils::path_canonicalize($url);
             }
         }
 
-        if ( $site_host !== $content_host ) {
-            $url = str_replace( AUTOPTIMIZE_WP_CONTENT_URL, AUTOPTIMIZE_WP_SITE_URL . AUTOPTIMIZE_WP_CONTENT_NAME, $url );
+        if ($site_host !== $content_host) {
+            $url = str_replace(AUTOPTIMIZE_WP_CONTENT_URL, AUTOPTIMIZE_WP_SITE_URL.AUTOPTIMIZE_WP_CONTENT_NAME, $url);
         }
 
         // First check; hostname wp site should be hostname of url!
-        $url_host = @parse_url( $url, PHP_URL_HOST ); // @codingStandardsIgnoreLine
-        if ( $url_host !== $site_host ) {
+        $url_host = @parse_url($url, PHP_URL_HOST); // @codingStandardsIgnoreLine
+        if ($url_host !== $site_host) {
             /**
              * First try to get all domains from WPML (if available)
              * then explicitely declare $this->cdn_url as OK as well
@@ -111,20 +111,20 @@ 
              */
             $multidomains = array();
 
-            $multidomains_wpml = apply_filters( 'wpml_setting', array(), 'language_domains' );
-            if ( ! empty( $multidomains_wpml ) ) {
-                $multidomains = array_map( array( $this, 'get_url_hostname' ), $multidomains_wpml );
+            $multidomains_wpml = apply_filters('wpml_setting', array(), 'language_domains');
+            if (!empty($multidomains_wpml)) {
+                $multidomains = array_map(array($this, 'get_url_hostname'), $multidomains_wpml);
             }
 
-            if ( ! empty( $this->cdn_url ) ) {
-                $multidomains[] = parse_url( $this->cdn_url, PHP_URL_HOST );
+            if (!empty($this->cdn_url)) {
+                $multidomains[] = parse_url($this->cdn_url, PHP_URL_HOST);
             }
 
-            $multidomains = apply_filters( 'autoptimize_filter_cssjs_multidomain', $multidomains );
+            $multidomains = apply_filters('autoptimize_filter_cssjs_multidomain', $multidomains);
 
-            if ( ! empty( $multidomains ) ) {
-                if ( in_array( $url_host, $multidomains ) ) {
-                    $url = str_replace( $url_host, $site_host, $url );
+            if (!empty($multidomains)) {
+                if (in_array($url_host, $multidomains)) {
+                    $url = str_replace($url_host, $site_host, $url);
                 } else {
                     return false;
                 }
@@ -134,28 +134,28 @@ 
         }
 
         // Try to remove "wp root url" from url while not minding http<>https.
-        $tmp_ao_root = preg_replace( '/https?:/', '', AUTOPTIMIZE_WP_ROOT_URL );
+        $tmp_ao_root = preg_replace('/https?:/', '', AUTOPTIMIZE_WP_ROOT_URL);
 
-        if ( $site_host !== $content_host ) {
+        if ($site_host !== $content_host) {
             // As we replaced the content-domain with the site-domain, we should match against that.
-            $tmp_ao_root = preg_replace( '/https?:/', '', AUTOPTIMIZE_WP_SITE_URL );
+            $tmp_ao_root = preg_replace('/https?:/', '', AUTOPTIMIZE_WP_SITE_URL);
         }
 
-        $tmp_url = preg_replace( '/https?:/', '', $url );
-        $path    = str_replace( $tmp_ao_root, '', $tmp_url );
+        $tmp_url = preg_replace('/https?:/', '', $url);
+        $path    = str_replace($tmp_ao_root, '', $tmp_url);
 
         // If path starts with :// or //, this is not a URL in the WP context and
         // we have to assume we can't aggregate.
-        if ( preg_match( '#^:?//#', $path ) ) {
+        if (preg_match('#^:?//#', $path)) {
             // External script/css (adsense, etc).
             return false;
         }
 
         // Prepend with WP_ROOT_DIR to have full path to file.
-        $path = str_replace( '//', '/', WP_ROOT_DIR . $path );
+        $path = str_replace('//', '/', WP_ROOT_DIR.$path);
 
         // Final check: does file exist and is it readable?
-        if ( file_exists( $path ) && is_file( $path ) && is_readable( $path ) ) {
+        if (file_exists($path) && is_file($path) && is_readable($path)) {
             return $path;
         } else {
             return false;
@@ -172,18 +172,18 @@ 
      *
      * @return string
      */
-    protected function get_url_hostname( $url )
+    protected function get_url_hostname($url)
     {
         // Checking that the url starts with something vaguely resembling a protocol.
-        if ( ( 0 !== strpos( $url, 'http' ) ) && ( 0 !== strpos( $url, '//' ) ) ) {
-            $url = 'http://' . $url;
+        if ((0 !== strpos($url, 'http')) && (0 !== strpos($url, '//'))) {
+            $url = 'http://'.$url;
         }
 
         // Grab the hostname.
-        $hostname = parse_url( $url, PHP_URL_HOST );
+        $hostname = parse_url($url, PHP_URL_HOST);
 
         // Fallback when parse_url() fails.
-        if ( empty( $hostname ) ) {
+        if (empty($hostname)) {
             $hostname = $url;
         }
 
@@ -197,7 +197,7 @@ 
      *
      * @return string
      */
-    protected function hide_noptimize( $markup )
+    protected function hide_noptimize($markup)
     {
         return $this->replace_contents_with_marker_if_exists(
             'NOPTIMIZE',
@@ -214,9 +214,9 @@ 
      *
      * @return string
      */
-    protected function restore_noptimize( $markup )
+    protected function restore_noptimize($markup)
     {
-        return $this->restore_marked_content( 'NOPTIMIZE', $markup );
+        return $this->restore_marked_content('NOPTIMIZE', $markup);
     }
 
     /**
@@ -226,7 +226,7 @@ 
      *
      * @return string
      */
-    protected function hide_iehacks( $markup )
+    protected function hide_iehacks($markup)
     {
         return $this->replace_contents_with_marker_if_exists(
             'IEHACK', // Marker name...
@@ -243,9 +243,9 @@ 
      *
      * @return string
      */
-    protected function restore_iehacks( $markup )
+    protected function restore_iehacks($markup)
     {
-        return $this->restore_marked_content( 'IEHACK', $markup );
+        return $this->restore_marked_content('IEHACK', $markup);
     }
 
     /**
@@ -257,7 +257,7 @@ 
      *
      * @return string
      */
-    protected function hide_comments( $markup )
+    protected function hide_comments($markup)
     {
         return $this->replace_contents_with_marker_if_exists(
             'COMMENTS',
@@ -275,9 +275,9 @@ 
      *
      * @return string
      */
-    protected function restore_comments( $markup )
+    protected function restore_comments($markup)
     {
-        return $this->restore_marked_content( 'COMMENTS', $markup );
+        return $this->restore_marked_content('COMMENTS', $markup);
     }
 
     /**
@@ -288,44 +288,44 @@ 
      *
      * @return string
      */
-    public function url_replace_cdn( $url )
+    public function url_replace_cdn($url)
     {
         // For 2.3 back-compat in which cdn-ing appeared to be automatically
         // including WP subfolder/subdirectory into account as part of cdn-ing,
         // even though it might've caused serious troubles in certain edge-cases.
-        $cdn_url = autoptimizeUtils::tweak_cdn_url_if_needed( $this->cdn_url );
+        $cdn_url = autoptimizeUtils::tweak_cdn_url_if_needed($this->cdn_url);
 
         // Allows API/filter to further tweak the cdn url...
-        $cdn_url = apply_filters( 'autoptimize_filter_base_cdnurl', $cdn_url );
-        if ( ! empty( $cdn_url ) ) {
-            $this->debug_log( 'before=' . $url );
+        $cdn_url = apply_filters('autoptimize_filter_base_cdnurl', $cdn_url);
+        if (!empty($cdn_url)) {
+            $this->debug_log('before='.$url);
 
             // Simple str_replace-based approach fails when $url is protocol-or-host-relative.
-            $is_protocol_relative = autoptimizeUtils::is_protocol_relative( $url );
-            $is_host_relative     = ( ! $is_protocol_relative && ( '/' === $url{0} ) );
-            $cdn_url              = rtrim( $cdn_url, '/' );
+            $is_protocol_relative = autoptimizeUtils::is_protocol_relative($url);
+            $is_host_relative     = (!$is_protocol_relative && ('/' === $url{0} ));
+            $cdn_url              = rtrim($cdn_url, '/');
 
-            if ( $is_host_relative ) {
+            if ($is_host_relative) {
                 // Prepending host-relative urls with the cdn url.
-                $url = $cdn_url . $url;
+                $url = $cdn_url.$url;
             } else {
                 // Either a protocol-relative or "regular" url, replacing it either way.
-                if ( $is_protocol_relative ) {
+                if ($is_protocol_relative) {
                     // Massage $site_url so that simple str_replace() still "works" by
                     // searching for the protocol-relative version of AUTOPTIMIZE_WP_SITE_URL.
-                    $site_url = str_replace( array( 'http:', 'https:' ), '', AUTOPTIMIZE_WP_SITE_URL );
+                    $site_url = str_replace(array('http:', 'https:'), '', AUTOPTIMIZE_WP_SITE_URL);
                 } else {
                     $site_url = AUTOPTIMIZE_WP_SITE_URL;
                 }
-                $this->debug_log( '`' . $site_url . '` -> `' . $cdn_url . '` in `' . $url . '`' );
-                $url = str_replace( $site_url, $cdn_url, $url );
+                $this->debug_log('`'.$site_url.'` -> `'.$cdn_url.'` in `'.$url.'`');
+                $url = str_replace($site_url, $cdn_url, $url);
             }
 
-            $this->debug_log( 'after=' . $url );
+            $this->debug_log('after='.$url);
         }
 
         // Allow API filter to take further care of CDN replacement.
-        $url = apply_filters( 'autoptimize_filter_base_replace_cdn', $url );
+        $url = apply_filters('autoptimize_filter_base_replace_cdn', $url);
 
         return $url;
     }
@@ -343,18 +343,18 @@ 
      *
      * @return void
      */
-    protected function inject_in_html( $payload, $where )
+    protected function inject_in_html($payload, $where)
     {
         $warned   = false;
-        $position = autoptimizeUtils::strpos( $this->content, $where[0] );
-        if ( false !== $position ) {
+        $position = autoptimizeUtils::strpos($this->content, $where[0]);
+        if (false !== $position) {
             // Found the tag, setup content/injection as specified.
-            if ( 'after' === $where[1] ) {
-                $content = $where[0] . $payload;
-            } elseif ( 'replace' === $where[1] ) {
+            if ('after' === $where[1]) {
+                $content = $where[0].$payload;
+            } elseif ('replace' === $where[1]) {
                 $content = $payload;
             } else {
-                $content = $payload . $where[0];
+                $content = $payload.$where[0];
             }
             // Place where specified.
             $this->content = autoptimizeUtils::substr_replace(
@@ -363,14 +363,14 @@ 
                 $position,
                 // Using plain strlen() should be safe here for now, since
                 // we're not searching for multibyte chars here still...
-                strlen( $where[0] )
+                strlen($where[0])
             );
         } else {
             // Couldn't find what was specified, just append and add a warning.
             $this->content .= $payload;
-            if ( ! $warned ) {
-                $tag_display    = str_replace( array( '<', '>' ), '', $where[0] );
-                $this->content .= '<!--noptimize--><!-- Autoptimize found a problem with the HTML in your Theme, tag `' . $tag_display . '` missing --><!--/noptimize-->';
+            if (!$warned) {
+                $tag_display    = str_replace(array('<', '>'), '', $where[0]);
+                $this->content .= '<!--noptimize--><!-- Autoptimize found a problem with the HTML in your Theme, tag `'.$tag_display.'` missing --><!--/noptimize-->';
                 $warned         = true;
             }
         }
@@ -384,10 +384,10 @@ 
      *
      * @return bool
      */
-    protected function isremovable( $tag, $removables )
+    protected function isremovable($tag, $removables)
     {
-        foreach ( $removables as $match ) {
-            if ( false !== strpos( $tag, $match ) ) {
+        foreach ($removables as $match) {
+            if (false !== strpos($tag, $match)) {
                 return true;
             }
         }
@@ -402,10 +402,10 @@ 
      *
      * @return string
      */
-    public function inject_minified_callback( $matches )
+    public function inject_minified_callback($matches)
     {
         static $conf = null;
-        if ( null === $conf ) {
+        if (null === $conf) {
             $conf = autoptimizeConfig::instance();
         }
 
@@ -420,62 +420,62 @@ 
         $filehash = null;
 
         // Grab the parts we need.
-        $parts = explode( '|', $matches[1] );
-        if ( ! empty( $parts ) ) {
-            $filepath = isset( $parts[0] ) ? base64_decode( $parts[0] ) : null;
-            $filehash = isset( $parts[1] ) ? $parts[1] : null;
+        $parts = explode('|', $matches[1]);
+        if (!empty($parts)) {
+            $filepath = isset($parts[0]) ? base64_decode($parts[0]) : null;
+            $filehash = isset($parts[1]) ? $parts[1] : null;
         }
 
         // Bail early if something's not right...
-        if ( ! $filepath || ! $filehash ) {
+        if (!$filepath || !$filehash) {
             return "\n";
         }
 
-        $filecontent = file_get_contents( $filepath );
+        $filecontent = file_get_contents($filepath);
 
         // Some things are differently handled for css/js...
-        $is_js_file = ( '.js' === substr( $filepath, -3, 3 ) );
+        $is_js_file = ('.js' === substr($filepath, -3, 3));
 
         $is_css_file = false;
-        if ( ! $is_js_file ) {
-            $is_css_file = ( '.css' === substr( $filepath, -4, 4 ) );
+        if (!$is_js_file) {
+            $is_css_file = ('.css' === substr($filepath, -4, 4));
         }
 
         // BOMs being nuked here unconditionally (regardless of where they are)!
-        $filecontent = preg_replace( "#\x{EF}\x{BB}\x{BF}#", '', $filecontent );
+        $filecontent = preg_replace("#\x{EF}\x{BB}\x{BF}#", '', $filecontent);
 
         // Remove comments and blank lines.
-        if ( $is_js_file ) {
-            $filecontent = preg_replace( '#^\s*\/\/.*$#Um', '', $filecontent );
+        if ($is_js_file) {
+            $filecontent = preg_replace('#^\s*\/\/.*$#Um', '', $filecontent);
         }
 
         // Nuke un-important comments.
-        $filecontent = preg_replace( '#^\s*\/\*[^!].*\*\/\s?#Um', '', $filecontent );
+        $filecontent = preg_replace('#^\s*\/\*[^!].*\*\/\s?#Um', '', $filecontent);
 
         // Normalize newlines.
-        $filecontent = preg_replace( '#(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+#', "\n", $filecontent );
+        $filecontent = preg_replace('#(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+#', "\n", $filecontent);
 
         // JS specifics.
-        if ( $is_js_file ) {
+        if ($is_js_file) {
             // Append a semicolon at the end of js files if it's missing.
-            $last_char = substr( $filecontent, -1, 1 );
-            if ( ';' !== $last_char && '}' !== $last_char ) {
+            $last_char = substr($filecontent, -1, 1);
+            if (';' !== $last_char && '}' !== $last_char) {
                 $filecontent .= ';';
             }
             // Check if try/catch should be used.
-            $opt_js_try_catch = $conf->get( 'autoptimize_js_trycatch' );
-            if ( 'on' === $opt_js_try_catch ) {
+            $opt_js_try_catch = $conf->get('autoptimize_js_trycatch');
+            if ('on' === $opt_js_try_catch) {
                 // It should, wrap in try/catch.
-                $filecontent = 'try{' . $filecontent . '}catch(e){}';
+                $filecontent = 'try{'.$filecontent.'}catch(e){}';
             }
-        } elseif ( $is_css_file ) {
-            $filecontent = autoptimizeStyles::fixurls( $filepath, $filecontent );
+        } elseif ($is_css_file) {
+            $filecontent = autoptimizeStyles::fixurls($filepath, $filecontent);
         } else {
             $filecontent = '';
         }
 
         // Return modified (or empty!) code/content.
-        return "\n" . $filecontent;
+        return "\n".$filecontent;
     }
 
     /**
@@ -485,13 +485,13 @@ 
      *
      * @return string
      */
-    protected function inject_minified( $in )
+    protected function inject_minified($in)
     {
         $out = $in;
-        if ( false !== strpos( $in, '%%INJECTLATER%%' ) ) {
+        if (false !== strpos($in, '%%INJECTLATER%%')) {
             $out = preg_replace_callback(
-                '#\/\*\!%%INJECTLATER' . AUTOPTIMIZE_HASH . '%%(.*?)%%INJECTLATER%%\*\/#is',
-                array( $this, 'inject_minified_callback' ),
+                '#\/\*\!%%INJECTLATER'.AUTOPTIMIZE_HASH.'%%(.*?)%%INJECTLATER%%\*\/#is',
+                array($this, 'inject_minified_callback'),
                 $in
             );
         }
@@ -511,9 +511,9 @@ 
      *
      * @return string
      */
-    public static function build_injectlater_marker( $filepath, $hash )
+    public static function build_injectlater_marker($filepath, $hash)
     {
-        $contents = '/*!' . self::build_marker( 'INJECTLATER', $filepath, $hash ) . '*/';
+        $contents = '/*!'.self::build_marker('INJECTLATER', $filepath, $hash).'*/';
 
         return $contents;
     }
@@ -531,18 +531,18 @@ 
      *
      * @return string
      */
-    public static function build_marker( $name, $data, $hash = null )
+    public static function build_marker($name, $data, $hash = null)
     {
         // Start the marker, add the data.
-        $marker = '%%' . $name . AUTOPTIMIZE_HASH . '%%' . base64_encode( $data );
+        $marker = '%%'.$name.AUTOPTIMIZE_HASH.'%%'.base64_encode($data);
 
         // Add the hash if provided.
-        if ( null !== $hash ) {
-            $marker .= '|' . $hash;
+        if (null !== $hash) {
+            $marker .= '|'.$hash;
         }
 
         // Close the marker.
-        $marker .= '%%' . $name . '%%';
+        $marker .= '%%'.$name.'%%';
 
         return $marker;
     }
@@ -562,22 +562,22 @@ 
      *
      * @return string
      */
-    public static function replace_contents_with_marker_if_exists( $marker, $search, $re_replace_pattern, $content )
+    public static function replace_contents_with_marker_if_exists($marker, $search, $re_replace_pattern, $content)
     {
         $found = false;
 
-        $is_regex = autoptimizeUtils::str_is_valid_regex( $search );
-        if ( $is_regex ) {
-            $found = preg_match( $search, $content );
+        $is_regex = autoptimizeUtils::str_is_valid_regex($search);
+        if ($is_regex) {
+            $found = preg_match($search, $content);
         } else {
-            $found = ( false !== strpos( $content, $search ) );
+            $found = (false !== strpos($content, $search));
         }
 
-        if ( $found ) {
+        if ($found) {
             $content = preg_replace_callback(
                 $re_replace_pattern,
-                function( $matches ) use ( $marker ) {
-                    return autoptimizeBase::build_marker( $marker, $matches[0] );
+                function($matches) use ($marker) {
+                    return autoptimizeBase::build_marker($marker, $matches[0]);
                 },
                 $content
             );
@@ -594,13 +594,13 @@ 
      *
      * @return string
      */
-    public static function restore_marked_content( $marker, $content )
+    public static function restore_marked_content($marker, $content)
     {
-        if ( false !== strpos( $content, $marker ) ) {
+        if (false !== strpos($content, $marker)) {
             $content = preg_replace_callback(
-                '#%%' . $marker . AUTOPTIMIZE_HASH . '%%(.*?)%%' . $marker . '%%#is',
-                function ( $matches ) {
-                    return base64_decode( $matches[1] );
+                '#%%'.$marker.AUTOPTIMIZE_HASH.'%%(.*?)%%'.$marker.'%%#is',
+                function($matches) {
+                    return base64_decode($matches[1]);
                 },
                 $content
             );
@@ -616,17 +616,17 @@ 
      *
      * @return void
      */
-    protected function debug_log( $data )
+    protected function debug_log($data)
     {
-        if ( ! isset( $this->debug_log ) || ! $this->debug_log ) {
+        if (!isset($this->debug_log) || !$this->debug_log) {
             return;
         }
 
-        if ( ! is_string( $data ) && ! is_resource( $data ) ) {
-            $data = var_export( $data, true );
+        if (!is_string($data) && !is_resource($data)) {
+            $data = var_export($data, true);
         }
 
-        error_log( $data );
+        error_log($data);
     }
 
     /**
@@ -636,12 +636,12 @@ 
      *
      * @return bool|string to be minified code or false.
      */
-    protected function prepare_minify_single( $filepath )
+    protected function prepare_minify_single($filepath)
     {
         // Decide what we're dealing with, return false if we don't know.
-        if ( $this->str_ends_in( $filepath, '.js' ) ) {
+        if ($this->str_ends_in($filepath, '.js')) {
             $type = 'js';
-        } elseif ( $this->str_ends_in( $filepath, '.css' ) ) {
+        } elseif ($this->str_ends_in($filepath, '.css')) {
             $type = 'css';
         } else {
             return false;
@@ -650,18 +650,18 @@ 
         // Bail if it looks like its already minifed (by having -min or .min
         // in filename) or if it looks like WP jquery.js (which is minified).
         $minified_variants = array(
-            '-min.' . $type,
-            '.min.' . $type,
+            '-min.'.$type,
+            '.min.'.$type,
             'js/jquery/jquery.js',
         );
-        foreach ( $minified_variants as $ending ) {
-            if ( $this->str_ends_in( $filepath, $ending ) ) {
+        foreach ($minified_variants as $ending) {
+            if ($this->str_ends_in($filepath, $ending)) {
                 return false;
             }
         }
 
         // Get file contents, bail if empty.
-        $contents = file_get_contents( $filepath );
+        $contents = file_get_contents($filepath);
 
         return $contents;
     }
@@ -674,12 +674,12 @@ 
      *
      * @return string
      */
-    protected function build_minify_single_url( autoptimizeCache $cache )
+    protected function build_minify_single_url(autoptimizeCache $cache)
     {
-        $url = AUTOPTIMIZE_CACHE_URL . $cache->getname();
+        $url = AUTOPTIMIZE_CACHE_URL.$cache->getname();
 
         // CDN-replace the resulting URL if needed...
-        $url = $this->url_replace_cdn( $url );
+        $url = $this->url_replace_cdn($url);
 
         return $url;
     }
@@ -692,15 +692,15 @@ 
      *
      * @return bool
      */
-    protected function str_ends_in( $str, $test )
+    protected function str_ends_in($str, $test)
     {
         // @codingStandardsIgnoreStart
         // substr_compare() is bugged on 5.5.11: https://3v4l.org/qGYBH
         // return ( 0 === substr_compare( $str, $test, -strlen( $test ) ) );
         // @codingStandardsIgnoreEnd
 
-        $length = strlen( $test );
+        $length = strlen($test);
 
-        return ( substr( $str, -$length, $length ) === $test );
+        return (substr($str, -$length, $length) === $test);
     }
 }

classes/autoptimizeMain.php

Spacing +152 added lines, -152 removed lines

@@ -3,7 +3,7 @@ 
  * Wraps base plugin logic/hooks and handles activation/deactivation/uninstall.
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit;
 }
 
@@ -33,7 +33,7 @@ 
      * @param string $version Version.
      * @param string $filepath Filepath. Needed for activation/deactivation/uninstall hooks.
      */
-    public function __construct( $version, $filepath )
+    public function __construct($version, $filepath)
     {
         $this->version  = $version;
         $this->filepath = $filepath;
@@ -50,98 +50,98 @@ 
 
     protected function add_hooks()
     {
-        if ( ! defined( 'AUTOPTIMIZE_SETUP_INITHOOK' ) ) {
-            define( 'AUTOPTIMIZE_SETUP_INITHOOK', 'plugins_loaded' );
+        if (!defined('AUTOPTIMIZE_SETUP_INITHOOK')) {
+            define('AUTOPTIMIZE_SETUP_INITHOOK', 'plugins_loaded');
         }
 
-        add_action( AUTOPTIMIZE_SETUP_INITHOOK, array( $this, 'setup' ) );
-        add_action( AUTOPTIMIZE_SETUP_INITHOOK, array( $this, 'hook_page_cache_purge' ) );
+        add_action(AUTOPTIMIZE_SETUP_INITHOOK, array($this, 'setup'));
+        add_action(AUTOPTIMIZE_SETUP_INITHOOK, array($this, 'hook_page_cache_purge'));
 
-        add_action( 'autoptimize_setup_done', array( $this, 'version_upgrades_check' ) );
-        add_action( 'autoptimize_setup_done', array( $this, 'check_cache_and_run' ) );
-        add_action( 'autoptimize_setup_done', array( $this, 'maybe_run_ao_extra' ) );
-        add_action( 'autoptimize_setup_done', array( $this, 'maybe_run_partners_tab' ) );
+        add_action('autoptimize_setup_done', array($this, 'version_upgrades_check'));
+        add_action('autoptimize_setup_done', array($this, 'check_cache_and_run'));
+        add_action('autoptimize_setup_done', array($this, 'maybe_run_ao_extra'));
+        add_action('autoptimize_setup_done', array($this, 'maybe_run_partners_tab'));
 
-        add_action( 'init', array( $this, 'load_textdomain' ) );
-        add_action( 'admin_init', array( 'PAnD', 'init' ) );
+        add_action('init', array($this, 'load_textdomain'));
+        add_action('admin_init', array('PAnD', 'init'));
 
-        register_activation_hook( $this->filepath, array( $this, 'on_activate' ) );
+        register_activation_hook($this->filepath, array($this, 'on_activate'));
     }
 
     public function on_activate()
     {
-        register_uninstall_hook( $this->filepath, 'autoptimizeMain::on_uninstall' );
+        register_uninstall_hook($this->filepath, 'autoptimizeMain::on_uninstall');
     }
 
     public function load_textdomain()
     {
-        load_plugin_textdomain( 'autoptimize' );
+        load_plugin_textdomain('autoptimize');
     }
 
     public function setup()
     {
         // Do we gzip in php when caching or is the webserver doing it?
-        define( 'AUTOPTIMIZE_CACHE_NOGZIP', (bool) get_option( 'autoptimize_cache_nogzip' ) );
+        define('AUTOPTIMIZE_CACHE_NOGZIP', (bool) get_option('autoptimize_cache_nogzip'));
 
         // These can be overridden by specifying them in wp-config.php or such.
-        if ( ! defined( 'AUTOPTIMIZE_WP_CONTENT_NAME' ) ) {
-            define( 'AUTOPTIMIZE_WP_CONTENT_NAME', '/' . wp_basename( WP_CONTENT_DIR ) );
+        if (!defined('AUTOPTIMIZE_WP_CONTENT_NAME')) {
+            define('AUTOPTIMIZE_WP_CONTENT_NAME', '/'.wp_basename(WP_CONTENT_DIR));
         }
-        if ( ! defined( 'AUTOPTIMIZE_CACHE_CHILD_DIR' ) ) {
-            define( 'AUTOPTIMIZE_CACHE_CHILD_DIR', '/cache/autoptimize/' );
+        if (!defined('AUTOPTIMIZE_CACHE_CHILD_DIR')) {
+            define('AUTOPTIMIZE_CACHE_CHILD_DIR', '/cache/autoptimize/');
         }
-        if ( ! defined( 'AUTOPTIMIZE_CACHEFILE_PREFIX' ) ) {
-            define( 'AUTOPTIMIZE_CACHEFILE_PREFIX', 'autoptimize_' );
+        if (!defined('AUTOPTIMIZE_CACHEFILE_PREFIX')) {
+            define('AUTOPTIMIZE_CACHEFILE_PREFIX', 'autoptimize_');
         }
         // Note: trailing slash is not optional!
-        if ( ! defined( 'AUTOPTIMIZE_CACHE_DIR' ) ) {
-            define( 'AUTOPTIMIZE_CACHE_DIR', autoptimizeCache::get_pathname() );
+        if (!defined('AUTOPTIMIZE_CACHE_DIR')) {
+            define('AUTOPTIMIZE_CACHE_DIR', autoptimizeCache::get_pathname());
         }
 
-        define( 'WP_ROOT_DIR', substr( WP_CONTENT_DIR, 0, strlen( WP_CONTENT_DIR ) - strlen( AUTOPTIMIZE_WP_CONTENT_NAME ) ) );
+        define('WP_ROOT_DIR', substr(WP_CONTENT_DIR, 0, strlen(WP_CONTENT_DIR) - strlen(AUTOPTIMIZE_WP_CONTENT_NAME)));
 
-        if ( ! defined( 'AUTOPTIMIZE_WP_SITE_URL' ) ) {
-            if ( function_exists( 'domain_mapping_siteurl' ) ) {
-                define( 'AUTOPTIMIZE_WP_SITE_URL', domain_mapping_siteurl( get_current_blog_id() ) );
+        if (!defined('AUTOPTIMIZE_WP_SITE_URL')) {
+            if (function_exists('domain_mapping_siteurl')) {
+                define('AUTOPTIMIZE_WP_SITE_URL', domain_mapping_siteurl(get_current_blog_id()));
             } else {
-                define( 'AUTOPTIMIZE_WP_SITE_URL', site_url() );
+                define('AUTOPTIMIZE_WP_SITE_URL', site_url());
             }
         }
-        if ( ! defined( 'AUTOPTIMIZE_WP_CONTENT_URL' ) ) {
-            if ( function_exists( 'get_original_url' ) ) {
-                define( 'AUTOPTIMIZE_WP_CONTENT_URL', str_replace( get_original_url( AUTOPTIMIZE_WP_SITE_URL ), AUTOPTIMIZE_WP_SITE_URL, content_url() ) );
+        if (!defined('AUTOPTIMIZE_WP_CONTENT_URL')) {
+            if (function_exists('get_original_url')) {
+                define('AUTOPTIMIZE_WP_CONTENT_URL', str_replace(get_original_url(AUTOPTIMIZE_WP_SITE_URL), AUTOPTIMIZE_WP_SITE_URL, content_url()));
             } else {
-                define( 'AUTOPTIMIZE_WP_CONTENT_URL', content_url() );
+                define('AUTOPTIMIZE_WP_CONTENT_URL', content_url());
             }
         }
-        if ( ! defined( 'AUTOPTIMIZE_CACHE_URL' ) ) {
-            if ( is_multisite() && apply_filters( 'autoptimize_separate_blog_caches', true ) ) {
+        if (!defined('AUTOPTIMIZE_CACHE_URL')) {
+            if (is_multisite() && apply_filters('autoptimize_separate_blog_caches', true)) {
                 $blog_id = get_current_blog_id();
-                define( 'AUTOPTIMIZE_CACHE_URL', AUTOPTIMIZE_WP_CONTENT_URL . AUTOPTIMIZE_CACHE_CHILD_DIR . $blog_id . '/' );
+                define('AUTOPTIMIZE_CACHE_URL', AUTOPTIMIZE_WP_CONTENT_URL.AUTOPTIMIZE_CACHE_CHILD_DIR.$blog_id.'/');
             } else {
-                define( 'AUTOPTIMIZE_CACHE_URL', AUTOPTIMIZE_WP_CONTENT_URL . AUTOPTIMIZE_CACHE_CHILD_DIR );
+                define('AUTOPTIMIZE_CACHE_URL', AUTOPTIMIZE_WP_CONTENT_URL.AUTOPTIMIZE_CACHE_CHILD_DIR);
             }
         }
-        if ( ! defined( 'AUTOPTIMIZE_WP_ROOT_URL' ) ) {
-            define( 'AUTOPTIMIZE_WP_ROOT_URL', str_replace( AUTOPTIMIZE_WP_CONTENT_NAME, '', AUTOPTIMIZE_WP_CONTENT_URL ) );
+        if (!defined('AUTOPTIMIZE_WP_ROOT_URL')) {
+            define('AUTOPTIMIZE_WP_ROOT_URL', str_replace(AUTOPTIMIZE_WP_CONTENT_NAME, '', AUTOPTIMIZE_WP_CONTENT_URL));
         }
-        if ( ! defined( 'AUTOPTIMIZE_HASH' ) ) {
-            define( 'AUTOPTIMIZE_HASH', wp_hash( AUTOPTIMIZE_CACHE_URL ) );
+        if (!defined('AUTOPTIMIZE_HASH')) {
+            define('AUTOPTIMIZE_HASH', wp_hash(AUTOPTIMIZE_CACHE_URL));
         }
-        if ( ! defined( 'AUTOPTIMIZE_SITE_DOMAIN' ) ) {
-            define( 'AUTOPTIMIZE_SITE_DOMAIN', parse_url( AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST ) );
+        if (!defined('AUTOPTIMIZE_SITE_DOMAIN')) {
+            define('AUTOPTIMIZE_SITE_DOMAIN', parse_url(AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST));
         }
 
         // Multibyte-capable string replacements are available with a filter.
         // Also requires 'mbstring' extension.
-        $with_mbstring = apply_filters( 'autoptimize_filter_main_use_mbstring', false );
-        if ( $with_mbstring ) {
-            autoptimizeUtils::mbstring_available( \extension_loaded( 'mbstring' ) );
+        $with_mbstring = apply_filters('autoptimize_filter_main_use_mbstring', false);
+        if ($with_mbstring) {
+            autoptimizeUtils::mbstring_available(\extension_loaded('mbstring'));
         } else {
-            autoptimizeUtils::mbstring_available( false );
+            autoptimizeUtils::mbstring_available(false);
         }
 
-        do_action( 'autoptimize_setup_done' );
+        do_action('autoptimize_setup_done');
     }
 
     /**
@@ -151,59 +151,59 @@ 
      */
     public function version_upgrades_check()
     {
-        autoptimizeVersionUpdatesHandler::check_installed_and_update( $this->version );
+        autoptimizeVersionUpdatesHandler::check_installed_and_update($this->version);
     }
 
     public function check_cache_and_run()
     {
-        if ( autoptimizeCache::cacheavail() ) {
+        if (autoptimizeCache::cacheavail()) {
             $conf = autoptimizeConfig::instance();
-            if ( $conf->get( 'autoptimize_html' ) || $conf->get( 'autoptimize_js' ) || $conf->get( 'autoptimize_css' ) || autoptimizeImages::imgopt_active() || autoptimizeImages::should_lazyload_wrapper() ) {
+            if ($conf->get('autoptimize_html') || $conf->get('autoptimize_js') || $conf->get('autoptimize_css') || autoptimizeImages::imgopt_active() || autoptimizeImages::should_lazyload_wrapper()) {
                 // Hook into WordPress frontend.
-                if ( defined( 'AUTOPTIMIZE_INIT_EARLIER' ) ) {
+                if (defined('AUTOPTIMIZE_INIT_EARLIER')) {
                     add_action(
                         'init',
-                        array( $this, 'start_buffering' ),
+                        array($this, 'start_buffering'),
                         self::INIT_EARLIER_PRIORITY
                     );
                 } else {
-                    if ( ! defined( 'AUTOPTIMIZE_HOOK_INTO' ) ) {
-                        define( 'AUTOPTIMIZE_HOOK_INTO', 'template_redirect' );
+                    if (!defined('AUTOPTIMIZE_HOOK_INTO')) {
+                        define('AUTOPTIMIZE_HOOK_INTO', 'template_redirect');
                     }
                     add_action(
-                        constant( 'AUTOPTIMIZE_HOOK_INTO' ),
-                        array( $this, 'start_buffering' ),
+                        constant('AUTOPTIMIZE_HOOK_INTO'),
+                        array($this, 'start_buffering'),
                         self::DEFAULT_HOOK_PRIORITY
                     );
                 }
 
                 // And disable Jetpack's site accelerator if JS or CSS opt. are active.
-                if ( class_exists( 'Jetpack' ) && apply_filters( 'autoptimize_filter_main_disable_jetpack_cdn', true ) && ( $conf->get( 'autoptimize_js' ) || $conf->get( 'autoptimize_css' ) ) ) {
-                    add_filter( 'jetpack_force_disable_site_accelerator', '__return_true' );
+                if (class_exists('Jetpack') && apply_filters('autoptimize_filter_main_disable_jetpack_cdn', true) && ($conf->get('autoptimize_js') || $conf->get('autoptimize_css'))) {
+                    add_filter('jetpack_force_disable_site_accelerator', '__return_true');
                 }
             }
         } else {
-            add_action( 'admin_notices', 'autoptimizeMain::notice_cache_unavailable' );
+            add_action('admin_notices', 'autoptimizeMain::notice_cache_unavailable');
         }
     }
 
     public function maybe_run_ao_extra()
     {
-        if ( apply_filters( 'autoptimize_filter_extra_activate', true ) ) {
+        if (apply_filters('autoptimize_filter_extra_activate', true)) {
             $ao_imgopt = new autoptimizeImages();
             $ao_imgopt->run();
             $ao_extra = new autoptimizeExtra();
             $ao_extra->run();
 
             // And show the imgopt notice.
-            add_action( 'admin_notices', 'autoptimizeMain::notice_plug_imgopt' );
+            add_action('admin_notices', 'autoptimizeMain::notice_plug_imgopt');
         }
     }
 
     public function maybe_run_partners_tab()
     {
         // Loads partners tab code if in admin (and not in admin-ajax.php)!
-        if ( autoptimizeConfig::is_admin_and_not_ajax() ) {
+        if (autoptimizeConfig::is_admin_and_not_ajax()) {
             new autoptimizePartners();
         }
     }
@@ -211,7 +211,7 @@ 
     public function hook_page_cache_purge()
     {
         // hook into a collection of page cache purge actions if filter allows.
-        if ( apply_filters( 'autoptimize_filter_main_hookpagecachepurge', true ) ) {
+        if (apply_filters('autoptimize_filter_main_hookpagecachepurge', true)) {
             $page_cache_purge_actions = array(
                 'after_rocket_clean_domain', // exists.
                 'hyper_cache_purged', // Stefano confirmed this will be added.
@@ -223,9 +223,9 @@ 
                 'wpfc_delete_cache', // Emre confirmed this will be added this.
                 'swift_performance_after_clear_all_cache', // swift perf. yeah!
             );
-            $page_cache_purge_actions = apply_filters( 'autoptimize_filter_main_pagecachepurgeactions', $page_cache_purge_actions );
-            foreach ( $page_cache_purge_actions as $purge_action ) {
-                add_action( $purge_action, 'autoptimizeCache::clearall_actionless' );
+            $page_cache_purge_actions = apply_filters('autoptimize_filter_main_pagecachepurgeactions', $page_cache_purge_actions);
+            foreach ($page_cache_purge_actions as $purge_action) {
+                add_action($purge_action, 'autoptimizeCache::clearall_actionless');
             }
         }
     }
@@ -237,38 +237,38 @@ 
      */
     public function start_buffering()
     {
-        if ( $this->should_buffer() ) {
+        if ($this->should_buffer()) {
 
             // Load speedupper conditionally (true by default).
-            if ( apply_filters( 'autoptimize_filter_speedupper', true ) ) {
+            if (apply_filters('autoptimize_filter_speedupper', true)) {
                 $ao_speedupper = new autoptimizeSpeedupper();
             }
 
             $conf = autoptimizeConfig::instance();
 
-            if ( $conf->get( 'autoptimize_js' ) ) {
-                if ( ! defined( 'CONCATENATE_SCRIPTS' ) ) {
-                    define( 'CONCATENATE_SCRIPTS', false );
+            if ($conf->get('autoptimize_js')) {
+                if (!defined('CONCATENATE_SCRIPTS')) {
+                    define('CONCATENATE_SCRIPTS', false);
                 }
-                if ( ! defined( 'COMPRESS_SCRIPTS' ) ) {
-                    define( 'COMPRESS_SCRIPTS', false );
+                if (!defined('COMPRESS_SCRIPTS')) {
+                    define('COMPRESS_SCRIPTS', false);
                 }
             }
 
-            if ( $conf->get( 'autoptimize_css' ) ) {
-                if ( ! defined( 'COMPRESS_CSS' ) ) {
-                    define( 'COMPRESS_CSS', false );
+            if ($conf->get('autoptimize_css')) {
+                if (!defined('COMPRESS_CSS')) {
+                    define('COMPRESS_CSS', false);
                 }
             }
 
-            if ( apply_filters( 'autoptimize_filter_obkiller', false ) ) {
-                while ( ob_get_level() > 0 ) {
+            if (apply_filters('autoptimize_filter_obkiller', false)) {
+                while (ob_get_level() > 0) {
                     ob_end_clean();
                 }
             }
 
             // Now, start the real thing!
-            ob_start( array( $this, 'end_buffering' ) );
+            ob_start(array($this, 'end_buffering'));
         }
     }
 
@@ -279,31 +279,31 @@ 
      *                          deciding once per request (for use in tests).
      * @return bool
      */
-    public function should_buffer( $doing_tests = false )
+    public function should_buffer($doing_tests = false)
     {
         static $do_buffering = null;
 
         // Only check once in case we're called multiple times by others but
         // still allows multiple calls when doing tests.
-        if ( null === $do_buffering || $doing_tests ) {
+        if (null === $do_buffering || $doing_tests) {
 
             $ao_noptimize = false;
 
             // Checking for DONOTMINIFY constant as used by e.g. WooCommerce POS.
-            if ( defined( 'DONOTMINIFY' ) && ( constant( 'DONOTMINIFY' ) === true || constant( 'DONOTMINIFY' ) === 'true' ) ) {
+            if (defined('DONOTMINIFY') && (constant('DONOTMINIFY') === true || constant('DONOTMINIFY') === 'true')) {
                 $ao_noptimize = true;
             }
 
             // Skip checking query strings if they're disabled.
-            if ( apply_filters( 'autoptimize_filter_honor_qs_noptimize', true ) ) {
+            if (apply_filters('autoptimize_filter_honor_qs_noptimize', true)) {
                 // Check for `ao_noptimize` (and other) keys in the query string
                 // to get non-optimized page for debugging.
                 $keys = array(
                     'ao_noptimize',
                     'ao_noptirocket',
                 );
-                foreach ( $keys as $key ) {
-                    if ( array_key_exists( $key, $_GET ) && '1' === $_GET[ $key ] ) {
+                foreach ($keys as $key) {
+                    if (array_key_exists($key, $_GET) && '1' === $_GET[$key]) {
                         $ao_noptimize = true;
                         break;
                     }
@@ -311,15 +311,15 @@ 
             }
 
             // If setting says not to optimize logged in user and user is logged in...
-            if ( 'on' !== get_option( 'autoptimize_optimize_logged', 'on' ) && is_user_logged_in() && current_user_can( 'edit_posts' ) ) {
+            if ('on' !== get_option('autoptimize_optimize_logged', 'on') && is_user_logged_in() && current_user_can('edit_posts')) {
                 $ao_noptimize = true;
             }
 
             // If setting says not to optimize cart/checkout.
-            if ( 'on' !== get_option( 'autoptimize_optimize_checkout', 'on' ) ) {
+            if ('on' !== get_option('autoptimize_optimize_checkout', 'on')) {
                 // Checking for woocommerce, easy digital downloads and wp ecommerce...
-                foreach ( array( 'is_checkout', 'is_cart', 'edd_is_checkout', 'wpsc_is_cart', 'wpsc_is_checkout' ) as $func ) {
-                    if ( function_exists( $func ) && $func() ) {
+                foreach (array('is_checkout', 'is_cart', 'edd_is_checkout', 'wpsc_is_cart', 'wpsc_is_checkout') as $func) {
+                    if (function_exists($func) && $func()) {
                         $ao_noptimize = true;
                         break;
                     }
@@ -327,11 +327,11 @@ 
             }
 
             // Allows blocking of autoptimization on your own terms regardless of above decisions.
-            $ao_noptimize = (bool) apply_filters( 'autoptimize_filter_noptimize', $ao_noptimize );
+            $ao_noptimize = (bool) apply_filters('autoptimize_filter_noptimize', $ao_noptimize);
 
             // Check for site being previewed in the Customizer (available since WP 4.0).
             $is_customize_preview = false;
-            if ( function_exists( 'is_customize_preview' ) && is_customize_preview() ) {
+            if (function_exists('is_customize_preview') && is_customize_preview()) {
                 $is_customize_preview = is_customize_preview();
             }
 
@@ -342,7 +342,7 @@ 
              * while the main query hasn't been ran yet. Thats why we use
              * AUTOPTIMIZE_INIT_EARLIER in tests.
              */
-            $do_buffering = ( ! is_admin() && ! is_feed() && ! $ao_noptimize && ! $is_customize_preview );
+            $do_buffering = (!is_admin() && !is_feed() && !$ao_noptimize && !$is_customize_preview);
         }
 
         return $do_buffering;
@@ -355,24 +355,24 @@ 
      *
      * @return bool
      */
-    public function is_valid_buffer( $content )
+    public function is_valid_buffer($content)
     {
         // Defaults to true.
         $valid = true;
 
-        $has_no_html_tag    = ( false === stripos( $content, '<html' ) );
-        $has_xsl_stylesheet = ( false !== stripos( $content, '<xsl:stylesheet' ) );
-        $has_html5_doctype  = ( preg_match( '/^<!DOCTYPE.+html>/i', ltrim( $content ) ) > 0 );
+        $has_no_html_tag    = (false === stripos($content, '<html'));
+        $has_xsl_stylesheet = (false !== stripos($content, '<xsl:stylesheet'));
+        $has_html5_doctype  = (preg_match('/^<!DOCTYPE.+html>/i', ltrim($content)) > 0);
 
-        if ( $has_no_html_tag ) {
+        if ($has_no_html_tag) {
             // Can't be valid amp markup without an html tag preceding it.
             $is_amp_markup = false;
         } else {
-            $is_amp_markup = self::is_amp_markup( $content );
+            $is_amp_markup = self::is_amp_markup($content);
         }
 
         // If it's not html, or if it's amp or contains xsl stylesheets we don't touch it.
-        if ( $has_no_html_tag && ! $has_html5_doctype || $is_amp_markup || $has_xsl_stylesheet ) {
+        if ($has_no_html_tag && !$has_html5_doctype || $is_amp_markup || $has_xsl_stylesheet) {
             $valid = false;
         }
 
@@ -387,14 +387,14 @@ 
      *
      * @return bool
      */
-    public static function is_amp_markup( $content )
+    public static function is_amp_markup($content)
     {
         // Short-circuit when a function is available to determine whether the response is (or will be) an AMP page.
-        if ( function_exists( 'is_amp_endpoint' ) ) {
+        if (function_exists('is_amp_endpoint')) {
             return is_amp_endpoint();
         }
 
-        $is_amp_markup = preg_match( '/<html[^>]*(?:amp|⚡)/i', $content );
+        $is_amp_markup = preg_match('/<html[^>]*(?:amp|⚡)/i', $content);
 
         return (bool) $is_amp_markup;
     }
@@ -407,10 +407,10 @@ 
      *
      * @return string
      */
-    public function end_buffering( $content )
+    public function end_buffering($content)
     {
         // Bail early without modifying anything if we can't handle the content.
-        if ( ! $this->is_valid_buffer( $content ) ) {
+        if (!$this->is_valid_buffer($content)) {
             return $content;
         }
 
@@ -418,59 +418,59 @@ 
 
         // Determine what needs to be ran.
         $classes = array();
-        if ( $conf->get( 'autoptimize_js' ) ) {
+        if ($conf->get('autoptimize_js')) {
             $classes[] = 'autoptimizeScripts';
         }
-        if ( $conf->get( 'autoptimize_css' ) ) {
+        if ($conf->get('autoptimize_css')) {
             $classes[] = 'autoptimizeStyles';
         }
-        if ( $conf->get( 'autoptimize_html' ) ) {
+        if ($conf->get('autoptimize_html')) {
             $classes[] = 'autoptimizeHTML';
         }
 
         $classoptions = array(
             'autoptimizeScripts' => array(
-                'aggregate'       => $conf->get( 'autoptimize_js_aggregate' ),
-                'justhead'        => $conf->get( 'autoptimize_js_justhead' ),
-                'forcehead'       => $conf->get( 'autoptimize_js_forcehead' ),
-                'trycatch'        => $conf->get( 'autoptimize_js_trycatch' ),
-                'js_exclude'      => $conf->get( 'autoptimize_js_exclude' ),
-                'cdn_url'         => $conf->get( 'autoptimize_cdn_url' ),
-                'include_inline'  => $conf->get( 'autoptimize_js_include_inline' ),
-                'minify_excluded' => $conf->get( 'autoptimize_minify_excluded' ),
+                'aggregate'       => $conf->get('autoptimize_js_aggregate'),
+                'justhead'        => $conf->get('autoptimize_js_justhead'),
+                'forcehead'       => $conf->get('autoptimize_js_forcehead'),
+                'trycatch'        => $conf->get('autoptimize_js_trycatch'),
+                'js_exclude'      => $conf->get('autoptimize_js_exclude'),
+                'cdn_url'         => $conf->get('autoptimize_cdn_url'),
+                'include_inline'  => $conf->get('autoptimize_js_include_inline'),
+                'minify_excluded' => $conf->get('autoptimize_minify_excluded'),
             ),
             'autoptimizeStyles'  => array(
-                'aggregate'       => $conf->get( 'autoptimize_css_aggregate' ),
-                'justhead'        => $conf->get( 'autoptimize_css_justhead' ),
-                'datauris'        => $conf->get( 'autoptimize_css_datauris' ),
-                'defer'           => $conf->get( 'autoptimize_css_defer' ),
-                'defer_inline'    => $conf->get( 'autoptimize_css_defer_inline' ),
-                'inline'          => $conf->get( 'autoptimize_css_inline' ),
-                'css_exclude'     => $conf->get( 'autoptimize_css_exclude' ),
-                'cdn_url'         => $conf->get( 'autoptimize_cdn_url' ),
-                'include_inline'  => $conf->get( 'autoptimize_css_include_inline' ),
-                'nogooglefont'    => $conf->get( 'autoptimize_css_nogooglefont' ),
-                'minify_excluded' => $conf->get( 'autoptimize_minify_excluded' ),
+                'aggregate'       => $conf->get('autoptimize_css_aggregate'),
+                'justhead'        => $conf->get('autoptimize_css_justhead'),
+                'datauris'        => $conf->get('autoptimize_css_datauris'),
+                'defer'           => $conf->get('autoptimize_css_defer'),
+                'defer_inline'    => $conf->get('autoptimize_css_defer_inline'),
+                'inline'          => $conf->get('autoptimize_css_inline'),
+                'css_exclude'     => $conf->get('autoptimize_css_exclude'),
+                'cdn_url'         => $conf->get('autoptimize_cdn_url'),
+                'include_inline'  => $conf->get('autoptimize_css_include_inline'),
+                'nogooglefont'    => $conf->get('autoptimize_css_nogooglefont'),
+                'minify_excluded' => $conf->get('autoptimize_minify_excluded'),
             ),
             'autoptimizeHTML'    => array(
-                'keepcomments' => $conf->get( 'autoptimize_html_keepcomments' ),
+                'keepcomments' => $conf->get('autoptimize_html_keepcomments'),
             ),
         );
 
-        $content = apply_filters( 'autoptimize_filter_html_before_minify', $content );
+        $content = apply_filters('autoptimize_filter_html_before_minify', $content);
 
         // Run the classes!
-        foreach ( $classes as $name ) {
-            $instance = new $name( $content );
-            if ( $instance->read( $classoptions[ $name ] ) ) {
+        foreach ($classes as $name) {
+            $instance = new $name($content);
+            if ($instance->read($classoptions[$name])) {
                 $instance->minify();
                 $instance->cache();
                 $content = $instance->getcontent();
             }
-            unset( $instance );
+            unset($instance);
         }
 
-        $content = apply_filters( 'autoptimize_html_after_minify', $content );
+        $content = apply_filters('autoptimize_html_after_minify', $content);
 
         return $content;
     }
@@ -514,25 +514,25 @@ 
             'autoptimize_minify_excluded',
         );
 
-        if ( ! is_multisite() ) {
-            foreach ( $delete_options as $del_opt ) {
-                delete_option( $del_opt );
+        if (!is_multisite()) {
+            foreach ($delete_options as $del_opt) {
+                delete_option($del_opt);
             }
         } else {
             global $wpdb;
-            $blog_ids         = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
+            $blog_ids         = $wpdb->get_col("SELECT blog_id FROM $wpdb->blogs");
             $original_blog_id = get_current_blog_id();
-            foreach ( $blog_ids as $blog_id ) {
-                switch_to_blog( $blog_id );
-                foreach ( $delete_options as $del_opt ) {
-                    delete_option( $del_opt );
+            foreach ($blog_ids as $blog_id) {
+                switch_to_blog($blog_id);
+                foreach ($delete_options as $del_opt) {
+                    delete_option($del_opt);
                 }
             }
-            switch_to_blog( $original_blog_id );
+            switch_to_blog($original_blog_id);
         }
 
-        if ( wp_get_schedule( 'ao_cachechecker' ) ) {
-            wp_clear_scheduled_hook( 'ao_cachechecker' );
+        if (wp_get_schedule('ao_cachechecker')) {
+            wp_clear_scheduled_hook('ao_cachechecker');
         }
     }
 
@@ -540,35 +540,35 @@ 
     {
         echo '<div class="error"><p>';
         // Translators: %s is the cache directory location.
-        printf( __( 'Autoptimize cannot write to the cache directory (%s), please fix to enable CSS/ JS optimization!', 'autoptimize' ), AUTOPTIMIZE_CACHE_DIR );
+        printf(__('Autoptimize cannot write to the cache directory (%s), please fix to enable CSS/ JS optimization!', 'autoptimize'), AUTOPTIMIZE_CACHE_DIR);
         echo '</p></div>';
     }
 
     public static function notice_installed()
     {
         echo '<div class="updated"><p>';
-        _e( 'Thank you for installing and activating Autoptimize. Please configure it under "Settings" -> "Autoptimize" to start improving your site\'s performance.', 'autoptimize' );
+        _e('Thank you for installing and activating Autoptimize. Please configure it under "Settings" -> "Autoptimize" to start improving your site\'s performance.', 'autoptimize');
         echo '</p></div>';
     }
 
     public static function notice_updated()
     {
         echo '<div class="updated"><p>';
-        _e( 'Autoptimize has just been updated. Please <strong>test your site now</strong> and adapt Autoptimize config if needed.', 'autoptimize' );
+        _e('Autoptimize has just been updated. Please <strong>test your site now</strong> and adapt Autoptimize config if needed.', 'autoptimize');
         echo '</p></div>';
     }
 
     public static function notice_plug_imgopt()
     {
         // Translators: the URL added points to the Autopmize Extra settings.
-        $_ao_imgopt_plug_notice      = sprintf( __( 'Did you know Autoptimize includes on-the-fly image optimization (with support for WebP) and CDN via ShortPixel? Check out the %1$sAutoptimize Image settings%2$s to activate this option.', 'autoptimize' ), '<a href="options-general.php?page=autoptimize_imgopt">', '</a>' );
-        $_ao_imgopt_plug_notice      = apply_filters( 'autoptimize_filter_main_imgopt_plug_notice', $_ao_imgopt_plug_notice );
+        $_ao_imgopt_plug_notice      = sprintf(__('Did you know Autoptimize includes on-the-fly image optimization (with support for WebP) and CDN via ShortPixel? Check out the %1$sAutoptimize Image settings%2$s to activate this option.', 'autoptimize'), '<a href="options-general.php?page=autoptimize_imgopt">', '</a>');
+        $_ao_imgopt_plug_notice      = apply_filters('autoptimize_filter_main_imgopt_plug_notice', $_ao_imgopt_plug_notice);
         $_ao_imgopt_launch_ok        = autoptimizeImages::launch_ok_wrapper();
         $_ao_imgopt_plug_dismissible = 'ao-img-opt-plug-123';
         $_ao_imgopt_active           = autoptimizeImages::imgopt_active();
 
-        if ( current_user_can( 'manage_options' ) && '' !== $_ao_imgopt_plug_notice && ! $_ao_imgopt_active && $_ao_imgopt_launch_ok && PAnD::is_admin_notice_active( $_ao_imgopt_plug_dismissible ) ) {
-            echo '<div class="notice notice-info is-dismissible" data-dismissible="' . $_ao_imgopt_plug_dismissible . '"><p>';
+        if (current_user_can('manage_options') && '' !== $_ao_imgopt_plug_notice && !$_ao_imgopt_active && $_ao_imgopt_launch_ok && PAnD::is_admin_notice_active($_ao_imgopt_plug_dismissible)) {
+            echo '<div class="notice notice-info is-dismissible" data-dismissible="'.$_ao_imgopt_plug_dismissible.'"><p>';
             echo $_ao_imgopt_plug_notice;
             echo '</p></div>';
         }

classes/autoptimizeConfig.php

Spacing +219 added lines, -219 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly.
+if (!defined('ABSPATH')) exit; // Exit if accessed directly.
 
 class autoptimizeConfig
 {
@@ -13,28 +13,28 @@ 
      */
     private function __construct()
     {
-        if ( is_admin() ) {
+        if (is_admin()) {
             // Add the admin page and settings.
-            add_action( 'admin_menu', array( $this, 'addmenu' ) );
-            add_action( 'admin_init', array( $this, 'registersettings' ) );
+            add_action('admin_menu', array($this, 'addmenu'));
+            add_action('admin_init', array($this, 'registersettings'));
 
             // Set meta info.
-            if ( function_exists( 'plugin_row_meta' ) ) {
+            if (function_exists('plugin_row_meta')) {
                 // 2.8 and higher.
-                add_filter( 'plugin_row_meta', array( $this, 'setmeta' ), 10, 2 );
-            } elseif ( function_exists( 'post_class' ) ) {
+                add_filter('plugin_row_meta', array($this, 'setmeta'), 10, 2);
+            } elseif (function_exists('post_class')) {
                 // 2.7 and lower.
-                $plugin = plugin_basename( AUTOPTIMIZE_PLUGIN_DIR . 'autoptimize.php' );
-                add_filter( 'plugin_action_links_' . $plugin, array( $this, 'setmeta' ) );
+                $plugin = plugin_basename(AUTOPTIMIZE_PLUGIN_DIR.'autoptimize.php');
+                add_filter('plugin_action_links_'.$plugin, array($this, 'setmeta'));
             }
 
             // Clean cache?
-            if ( get_option( 'autoptimize_cache_clean' ) ) {
+            if (get_option('autoptimize_cache_clean')) {
                 autoptimizeCache::clearall();
-                update_option( 'autoptimize_cache_clean', 0 );
+                update_option('autoptimize_cache_clean', 0);
             }
 
-            $this->settings_screen_do_remote_http = apply_filters( 'autoptimize_settingsscreen_remotehttp', $this->settings_screen_do_remote_http );
+            $this->settings_screen_do_remote_http = apply_filters('autoptimize_settingsscreen_remotehttp', $this->settings_screen_do_remote_http);
         }
 
         // Adds the Autoptimize Toolbar to the Admin bar.
@@ -48,7 +48,7 @@ 
     static public function instance()
     {
         // Only one instance.
-        if ( null === self::$instance ) {
+        if (null === self::$instance) {
             self::$instance = new autoptimizeConfig();
         }
 
@@ -174,28 +174,28 @@ 
 
 <div class="wrap">
 
-<?php if ( version_compare( PHP_VERSION, '5.3.0' ) < 0 ) { ?>
-<div class="notice-error notice"><?php echo '<p>' . sprintf( __( '<strong>You are using a very old version of PHP</strong> (5.2.x or older) which has <a href=%s>serious security and performance issues</a>. Support for PHP 5.5 and below will be removed in one of the next AO released, please ask your hoster to provide you with an upgrade path to 7.x.', 'autoptimize' ), '"http://blog.futtta.be/2016/03/15/why-would-you-still-be-on-php-5-2/" target="_blank"' ) . '</p>'; ?></div>
+<?php if (version_compare(PHP_VERSION, '5.3.0') < 0) { ?>
+<div class="notice-error notice"><?php echo '<p>'.sprintf(__('<strong>You are using a very old version of PHP</strong> (5.2.x or older) which has <a href=%s>serious security and performance issues</a>. Support for PHP 5.5 and below will be removed in one of the next AO released, please ask your hoster to provide you with an upgrade path to 7.x.', 'autoptimize'), '"http://blog.futtta.be/2016/03/15/why-would-you-still-be-on-php-5-2/" target="_blank"').'</p>'; ?></div>
 <?php } ?>
 
-<?php if ( defined( 'AUTOPTIMIZE_LEGACY_MINIFIERS' ) ) { ?>
+<?php if (defined('AUTOPTIMIZE_LEGACY_MINIFIERS')) { ?>
     <div class="notice-error notice"><p>
-        <?php _e( "You are using the (no longer supported) AUTOPTIMIZE_LEGACY_MINIFIERS constant. Ensure your site is working properly and remove the constant, it doesn't do anything any more.", 'autoptimize' ); ?>
+        <?php _e("You are using the (no longer supported) AUTOPTIMIZE_LEGACY_MINIFIERS constant. Ensure your site is working properly and remove the constant, it doesn't do anything any more.", 'autoptimize'); ?>
     </p></div>
 <?php } ?>
 
 <div id="autoptimize_main">
     <div id="ao_title_and_button">
-        <h1 id="ao_title"><?php _e( 'Autoptimize Settings', 'autoptimize' ); ?>
+        <h1 id="ao_title"><?php _e('Autoptimize Settings', 'autoptimize'); ?>
         <span id="ao_adv_button">
-        <?php if ( get_option( 'autoptimize_show_adv', '0' ) == '1' ) { ?>
-            <a href="javascript:void(0);" id="ao_show_adv" class="button" style="display:none;"><span><?php _e("Show advanced settings","autoptimize") ?></span></a>
-            <a href="javascript:void(0);" id="ao_hide_adv" class="button"><span><?php _e("Hide advanced settings","autoptimize") ?></span></a>
+        <?php if (get_option('autoptimize_show_adv', '0') == '1') { ?>
+            <a href="javascript:void(0);" id="ao_show_adv" class="button" style="display:none;"><span><?php _e("Show advanced settings", "autoptimize") ?></span></a>
+            <a href="javascript:void(0);" id="ao_hide_adv" class="button"><span><?php _e("Hide advanced settings", "autoptimize") ?></span></a>
             <style>tr.ao_adv{display:table-row;} li.ao_adv{display:list-item;}</style>
             <?php $hiddenClass = ''; ?>
         <?php } else { ?>
-            <a href="javascript:void(0);" id="ao_show_adv" class="button"><span><?php _e("Show advanced settings","autoptimize") ?></span></a>
-            <a href="javascript:void(0);" id="ao_hide_adv" class="button" style="display:none;"><span><?php _e("Hide advanced settings","autoptimize") ?></span></a>
+            <a href="javascript:void(0);" id="ao_show_adv" class="button"><span><?php _e("Show advanced settings", "autoptimize") ?></span></a>
+            <a href="javascript:void(0);" id="ao_hide_adv" class="button" style="display:none;"><span><?php _e("Hide advanced settings", "autoptimize") ?></span></a>
             <?php $hiddenClass = 'hidden '; ?>
         <?php } ?>
         </span>
@@ -205,196 +205,196 @@ 
     <?php echo $this->ao_admin_tabs(); ?>
 
 <form method="post" action="options.php">
-<?php settings_fields( 'autoptimize' ); ?>
+<?php settings_fields('autoptimize'); ?>
 
 <ul>
 
 <li class="itemDetail">
-<h2 class="itemTitle"><?php _e('JavaScript Options','autoptimize'); ?></h2>
+<h2 class="itemTitle"><?php _e('JavaScript Options', 'autoptimize'); ?></h2>
 <table class="form-table">
 <tr valign="top">
-<th scope="row"><?php _e('Optimize JavaScript Code?','autoptimize'); ?></th>
-<td><input type="checkbox" id="autoptimize_js" name="autoptimize_js" <?php echo get_option('autoptimize_js')?'checked="checked" ':''; ?>/></td>
+<th scope="row"><?php _e('Optimize JavaScript Code?', 'autoptimize'); ?></th>
+<td><input type="checkbox" id="autoptimize_js" name="autoptimize_js" <?php echo get_option('autoptimize_js') ? 'checked="checked" ' : ''; ?>/></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>js_sub ao_adv">
-<th scope="row"><?php _e( 'Aggregate JS-files?', 'autoptimize' ); ?></th>
-<td><label class="cb_label"><input type="checkbox" id="autoptimize_js_aggregate" name="autoptimize_js_aggregate" <?php echo $conf->get( 'autoptimize_js_aggregate' ) ? 'checked="checked" ':''; ?>/>
-<?php _e( 'Aggregate all linked JS-files to have them loaded non-render blocking? If this option is off, the individual JS-files will remain in place but will be minified.', 'autoptimize' ); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>js_sub ao_adv">
+<th scope="row"><?php _e('Aggregate JS-files?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" id="autoptimize_js_aggregate" name="autoptimize_js_aggregate" <?php echo $conf->get('autoptimize_js_aggregate') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Aggregate all linked JS-files to have them loaded non-render blocking? If this option is off, the individual JS-files will remain in place but will be minified.', 'autoptimize'); ?></label></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>js_sub ao_adv js_aggregate">
-<th scope="row"><?php _e('Also aggregate inline JS?','autoptimize'); ?></th>
-<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_include_inline" <?php echo get_option('autoptimize_js_include_inline')?'checked="checked" ':''; ?>/>
-<?php _e('Let Autoptimize also extract JS from the HTML. <strong>Warning</strong>: this can make Autoptimize\'s cache size grow quickly, so only enable this if you know what you\'re doing.','autoptimize'); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>js_sub ao_adv js_aggregate">
+<th scope="row"><?php _e('Also aggregate inline JS?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_include_inline" <?php echo get_option('autoptimize_js_include_inline') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Let Autoptimize also extract JS from the HTML. <strong>Warning</strong>: this can make Autoptimize\'s cache size grow quickly, so only enable this if you know what you\'re doing.', 'autoptimize'); ?></label></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>js_sub ao_adv js_aggregate">
-<th scope="row"><?php _e('Force JavaScript in &lt;head&gt;?','autoptimize'); ?></th>
-<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_forcehead" <?php echo get_option('autoptimize_js_forcehead')?'checked="checked" ':''; ?>/>
-<?php _e('Load JavaScript early, this can potentially fix some JS-errors, but makes the JS render blocking.','autoptimize'); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>js_sub ao_adv js_aggregate">
+<th scope="row"><?php _e('Force JavaScript in &lt;head&gt;?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_forcehead" <?php echo get_option('autoptimize_js_forcehead') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Load JavaScript early, this can potentially fix some JS-errors, but makes the JS render blocking.', 'autoptimize'); ?></label></td>
 </tr>
 <?php if (get_option('autoptimize_js_justhead')) { ?>
-<tr valign="top" class="<?php echo $hiddenClass;?>js_sub ao_adv js_aggregate">
-<th scope="row"><?php _e('Look for scripts only in &lt;head&gt;?','autoptimize'); echo ' <i>'. __('(deprecated)','autoptimize') . '</i>'; ?></th>
-<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_justhead" <?php echo get_option('autoptimize_js_justhead')?'checked="checked" ':''; ?>/>
-<?php _e('Mostly useful in combination with previous option when using jQuery-based templates, but might help keeping cache size under control.','autoptimize'); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>js_sub ao_adv js_aggregate">
+<th scope="row"><?php _e('Look for scripts only in &lt;head&gt;?', 'autoptimize'); echo ' <i>'.__('(deprecated)', 'autoptimize').'</i>'; ?></th>
+<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_justhead" <?php echo get_option('autoptimize_js_justhead') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Mostly useful in combination with previous option when using jQuery-based templates, but might help keeping cache size under control.', 'autoptimize'); ?></label></td>
 </tr>
 <?php } ?>
-<tr valign="top" class="<?php echo $hiddenClass;?>js_sub ao_adv">
-<th scope="row"><?php _e('Exclude scripts from Autoptimize:','autoptimize'); ?></th>
-<td><label><input type="text" style="width:100%;" name="autoptimize_js_exclude" value="<?php echo get_option('autoptimize_js_exclude',"wp-includes/js/dist/, wp-includes/js/tinymce/, js/jquery/jquery.js"); ?>"/><br />
-<?php _e('A comma-separated list of scripts you want to exclude from being optimized, for example \'whatever.js, another.js\' (without the quotes) to exclude those scripts from being aggregated by Autoptimize.','autoptimize'); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>js_sub ao_adv">
+<th scope="row"><?php _e('Exclude scripts from Autoptimize:', 'autoptimize'); ?></th>
+<td><label><input type="text" style="width:100%;" name="autoptimize_js_exclude" value="<?php echo get_option('autoptimize_js_exclude', "wp-includes/js/dist/, wp-includes/js/tinymce/, js/jquery/jquery.js"); ?>"/><br />
+<?php _e('A comma-separated list of scripts you want to exclude from being optimized, for example \'whatever.js, another.js\' (without the quotes) to exclude those scripts from being aggregated by Autoptimize.', 'autoptimize'); ?></label></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>js_sub ao_adv js_aggregate">
-<th scope="row"><?php _e('Add try-catch wrapping?','autoptimize'); ?></th>
-<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_trycatch" <?php echo get_option('autoptimize_js_trycatch')?'checked="checked" ':''; ?>/>
-<?php _e('If your scripts break because of a JS-error, you might want to try this.','autoptimize'); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>js_sub ao_adv js_aggregate">
+<th scope="row"><?php _e('Add try-catch wrapping?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" name="autoptimize_js_trycatch" <?php echo get_option('autoptimize_js_trycatch') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('If your scripts break because of a JS-error, you might want to try this.', 'autoptimize'); ?></label></td>
 </tr>
 </table>
 </li>
 
 <li class="itemDetail">
-<h2 class="itemTitle"><?php _e('CSS Options','autoptimize'); ?></h2>
+<h2 class="itemTitle"><?php _e('CSS Options', 'autoptimize'); ?></h2>
 <table class="form-table">
 <tr valign="top">
-<th scope="row"><?php _e('Optimize CSS Code?','autoptimize'); ?></th>
-<td><input type="checkbox" id="autoptimize_css" name="autoptimize_css" <?php echo get_option('autoptimize_css')?'checked="checked" ':''; ?>/></td>
+<th scope="row"><?php _e('Optimize CSS Code?', 'autoptimize'); ?></th>
+<td><input type="checkbox" id="autoptimize_css" name="autoptimize_css" <?php echo get_option('autoptimize_css') ? 'checked="checked" ' : ''; ?>/></td>
 </tr>
-<tr class="<?php echo $hiddenClass;?>css_sub ao_adv" valign="top">
-<th scope="row"><?php _e( 'Aggregate CSS-files?', 'autoptimize' ); ?></th>
-<td><label class="cb_label"><input type="checkbox" id="autoptimize_css_aggregate" name="autoptimize_css_aggregate" <?php echo $conf->get( 'autoptimize_css_aggregate' ) ? 'checked="checked" ' : ''; ?>/>
-<?php _e('Aggregate all linked CSS-files? If this option is off, the individual CSS-files will remain in place but will be minified.', 'autoptimize' ); ?></label></td>
+<tr class="<?php echo $hiddenClass; ?>css_sub ao_adv" valign="top">
+<th scope="row"><?php _e('Aggregate CSS-files?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" id="autoptimize_css_aggregate" name="autoptimize_css_aggregate" <?php echo $conf->get('autoptimize_css_aggregate') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Aggregate all linked CSS-files? If this option is off, the individual CSS-files will remain in place but will be minified.', 'autoptimize'); ?></label></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>css_sub ao_adv css_aggregate">
-<th scope="row"><?php _e('Also aggregate inline CSS?','autoptimize'); ?></th>
-<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_include_inline" <?php echo get_option('autoptimize_css_include_inline','1')?'checked="checked" ':''; ?>/>
-<?php _e('Check this option for Autoptimize to also aggregate CSS in the HTML.','autoptimize'); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>css_sub ao_adv css_aggregate">
+<th scope="row"><?php _e('Also aggregate inline CSS?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_include_inline" <?php echo get_option('autoptimize_css_include_inline', '1') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Check this option for Autoptimize to also aggregate CSS in the HTML.', 'autoptimize'); ?></label></td>
 </tr>
-<tr class="<?php echo $hiddenClass;?>css_sub ao_adv css_aggregate" valign="top">
-<th scope="row"><?php _e('Generate data: URIs for images?','autoptimize'); ?></th>
-<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_datauris" <?php echo get_option('autoptimize_css_datauris')?'checked="checked" ':''; ?>/>
-<?php _e('Enable this to include small background-images in the CSS itself instead of as separate downloads.','autoptimize'); ?></label></td>
+<tr class="<?php echo $hiddenClass; ?>css_sub ao_adv css_aggregate" valign="top">
+<th scope="row"><?php _e('Generate data: URIs for images?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_datauris" <?php echo get_option('autoptimize_css_datauris') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Enable this to include small background-images in the CSS itself instead of as separate downloads.', 'autoptimize'); ?></label></td>
 </tr>
 <?php if (get_option('autoptimize_css_justhead')) { ?>
-<tr valign="top" class="<?php echo $hiddenClass;?>css_sub ao_adv css_aggregate">
-<th scope="row"><?php _e('Look for styles only in &lt;head&gt;?','autoptimize'); echo ' <i>'. __('(deprecated)','autoptimize') . '</i>'; ?></th>
-<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_justhead" <?php echo get_option('autoptimize_css_justhead')?'checked="checked" ':''; ?>/>
-<?php _e('Don\'t autoptimize CSS outside the head-section. If the cache gets big, you might want to enable this.','autoptimize'); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>css_sub ao_adv css_aggregate">
+<th scope="row"><?php _e('Look for styles only in &lt;head&gt;?', 'autoptimize'); echo ' <i>'.__('(deprecated)', 'autoptimize').'</i>'; ?></th>
+<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_justhead" <?php echo get_option('autoptimize_css_justhead') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Don\'t autoptimize CSS outside the head-section. If the cache gets big, you might want to enable this.', 'autoptimize'); ?></label></td>
 </tr>
 <?php } ?>
-<tr valign="top" class="<?php echo $hiddenClass;?>css_sub ao_adv">
-<th scope="row"><?php _e('Inline and Defer CSS?','autoptimize'); ?></th>
-<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_defer" id="autoptimize_css_defer" <?php echo get_option('autoptimize_css_defer')?'checked="checked" ':''; ?>/>
+<tr valign="top" class="<?php echo $hiddenClass; ?>css_sub ao_adv">
+<th scope="row"><?php _e('Inline and Defer CSS?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" name="autoptimize_css_defer" id="autoptimize_css_defer" <?php echo get_option('autoptimize_css_defer') ? 'checked="checked" ' : ''; ?>/>
 <?php
-_e( 'Inline "above the fold CSS" while loading the main autoptimized CSS only after page load. <a href="http://wordpress.org/plugins/autoptimize/faq/" target="_blank">Check the FAQ</a> for more info.', 'autoptimize' );
-if ( function_exists( 'is_plugin_active' ) && ! is_plugin_active( 'autoptimize-criticalcss/ao_criticss_aas.php' ) ) {
+_e('Inline "above the fold CSS" while loading the main autoptimized CSS only after page load. <a href="http://wordpress.org/plugins/autoptimize/faq/" target="_blank">Check the FAQ</a> for more info.', 'autoptimize');
+if (function_exists('is_plugin_active') && !is_plugin_active('autoptimize-criticalcss/ao_criticss_aas.php')) {
     echo ' ';
-    $critcss_install_url = network_admin_url() . 'plugin-install.php?s=autoptimize+criticalcss&tab=search&type=term';
-    echo sprintf( __( 'This can be fully automated for different types of pages with the %s.', 'autoptimize' ), '<a href="'.$critcss_install_url.'">Autoptimize CriticalCSS Power-Up</a>' );
+    $critcss_install_url = network_admin_url().'plugin-install.php?s=autoptimize+criticalcss&tab=search&type=term';
+    echo sprintf(__('This can be fully automated for different types of pages with the %s.', 'autoptimize'), '<a href="'.$critcss_install_url.'">Autoptimize CriticalCSS Power-Up</a>');
 }
 ?>
 </label></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>css_sub ao_adv" id="autoptimize_css_defer_inline">
+<tr valign="top" class="<?php echo $hiddenClass; ?>css_sub ao_adv" id="autoptimize_css_defer_inline">
 <th scope="row"></th>
-<td><label><textarea rows="10" cols="10" style="width:100%;" placeholder="<?php _e('Paste the above the fold CSS here.','autoptimize'); ?>" name="autoptimize_css_defer_inline"><?php echo get_option('autoptimize_css_defer_inline'); ?></textarea></label></td>
+<td><label><textarea rows="10" cols="10" style="width:100%;" placeholder="<?php _e('Paste the above the fold CSS here.', 'autoptimize'); ?>" name="autoptimize_css_defer_inline"><?php echo get_option('autoptimize_css_defer_inline'); ?></textarea></label></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>ao_adv css_sub css_aggregate">
-<th scope="row"><?php _e('Inline all CSS?','autoptimize'); ?></th>
-<td><label class="cb_label"><input type="checkbox" id="autoptimize_css_inline" name="autoptimize_css_inline" <?php echo get_option('autoptimize_css_inline')?'checked="checked" ':''; ?>/>
-<?php _e('Inlining all CSS can improve performance for sites with a low pageviews/ visitor-rate, but may slow down performance otherwise.','autoptimize'); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>ao_adv css_sub css_aggregate">
+<th scope="row"><?php _e('Inline all CSS?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" id="autoptimize_css_inline" name="autoptimize_css_inline" <?php echo get_option('autoptimize_css_inline') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Inlining all CSS can improve performance for sites with a low pageviews/ visitor-rate, but may slow down performance otherwise.', 'autoptimize'); ?></label></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>ao_adv css_sub">
-<th scope="row"><?php _e('Exclude CSS from Autoptimize:','autoptimize'); ?></th>
-<td><label><input type="text" style="width:100%;" name="autoptimize_css_exclude" value="<?php echo get_option('autoptimize_css_exclude','wp-content/cache/, wp-content/uploads/, admin-bar.min.css, dashicons.min.css'); ?>"/><br />
-<?php _e('A comma-separated list of CSS you want to exclude from being optimized.','autoptimize'); ?></label></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>ao_adv css_sub">
+<th scope="row"><?php _e('Exclude CSS from Autoptimize:', 'autoptimize'); ?></th>
+<td><label><input type="text" style="width:100%;" name="autoptimize_css_exclude" value="<?php echo get_option('autoptimize_css_exclude', 'wp-content/cache/, wp-content/uploads/, admin-bar.min.css, dashicons.min.css'); ?>"/><br />
+<?php _e('A comma-separated list of CSS you want to exclude from being optimized.', 'autoptimize'); ?></label></td>
 </tr>
 </table>
 </li>
 
 <li class="itemDetail">
-<h2 class="itemTitle"><?php _e('HTML Options','autoptimize'); ?></h2>
+<h2 class="itemTitle"><?php _e('HTML Options', 'autoptimize'); ?></h2>
 <table class="form-table">
 <tr valign="top">
-<th scope="row"><?php _e('Optimize HTML Code?','autoptimize'); ?></th>
-<td><input type="checkbox" id="autoptimize_html" name="autoptimize_html" <?php echo get_option('autoptimize_html')?'checked="checked" ':''; ?>/></td>
+<th scope="row"><?php _e('Optimize HTML Code?', 'autoptimize'); ?></th>
+<td><input type="checkbox" id="autoptimize_html" name="autoptimize_html" <?php echo get_option('autoptimize_html') ? 'checked="checked" ' : ''; ?>/></td>
 </tr>
-<tr class="<?php echo $hiddenClass;?>html_sub ao_adv" valign="top">
-<th scope="row"><?php _e('Keep HTML comments?','autoptimize'); ?></th>
-<td><label class="cb_label"><input type="checkbox" name="autoptimize_html_keepcomments" <?php echo get_option('autoptimize_html_keepcomments')?'checked="checked" ':''; ?>/>
-<?php _e('Enable this if you want HTML comments to remain in the page.','autoptimize'); ?></label></td>
+<tr class="<?php echo $hiddenClass; ?>html_sub ao_adv" valign="top">
+<th scope="row"><?php _e('Keep HTML comments?', 'autoptimize'); ?></th>
+<td><label class="cb_label"><input type="checkbox" name="autoptimize_html_keepcomments" <?php echo get_option('autoptimize_html_keepcomments') ? 'checked="checked" ' : ''; ?>/>
+<?php _e('Enable this if you want HTML comments to remain in the page.', 'autoptimize'); ?></label></td>
 </tr>
 </table>
 </li>
 
 <li class="itemDetail">
-<h2 class="itemTitle"><?php _e('CDN Options','autoptimize'); ?></h2>
+<h2 class="itemTitle"><?php _e('CDN Options', 'autoptimize'); ?></h2>
 <table class="form-table">
 <tr valign="top">
-<th scope="row"><?php _e('CDN Base URL','autoptimize'); ?></th>
-<td><label><input id="cdn_url" type="text" name="autoptimize_cdn_url" pattern="^(https?:)?\/\/([\da-z\.-]+)\.([\da-z\.]{2,6})([\/\w \.-]*)*(:\d{2,5})?\/?$" style="width:100%" value="<?php echo esc_url(get_option('autoptimize_cdn_url',''),array("http","https")); ?>" /><br />
-<?php _e('Enter your CDN root URL to enable CDN for Autoptimized files. The URL can be http, https or protocol-relative (e.g. <code>//cdn.example.com/</code>). This is not needed for Cloudflare.','autoptimize'); ?></label></td>
+<th scope="row"><?php _e('CDN Base URL', 'autoptimize'); ?></th>
+<td><label><input id="cdn_url" type="text" name="autoptimize_cdn_url" pattern="^(https?:)?\/\/([\da-z\.-]+)\.([\da-z\.]{2,6})([\/\w \.-]*)*(:\d{2,5})?\/?$" style="width:100%" value="<?php echo esc_url(get_option('autoptimize_cdn_url', ''), array("http", "https")); ?>" /><br />
+<?php _e('Enter your CDN root URL to enable CDN for Autoptimized files. The URL can be http, https or protocol-relative (e.g. <code>//cdn.example.com/</code>). This is not needed for Cloudflare.', 'autoptimize'); ?></label></td>
 </tr>
 </table>
 </li>
 
-<li class="<?php echo $hiddenClass;?>itemDetail ao_adv">
-<h2 class="itemTitle"><?php _e('Cache Info','autoptimize'); ?></h2>
+<li class="<?php echo $hiddenClass; ?>itemDetail ao_adv">
+<h2 class="itemTitle"><?php _e('Cache Info', 'autoptimize'); ?></h2>
 <table class="form-table" >
-<tr valign="top" class="<?php echo $hiddenClass;?>ao_adv">
-<th scope="row"><?php _e('Cache folder','autoptimize'); ?></th>
+<tr valign="top" class="<?php echo $hiddenClass; ?>ao_adv">
+<th scope="row"><?php _e('Cache folder', 'autoptimize'); ?></th>
 <td><?php echo htmlentities(AUTOPTIMIZE_CACHE_DIR); ?></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>ao_adv">
-<th scope="row"><?php _e('Can we write?','autoptimize'); ?></th>
-<td><?php echo (autoptimizeCache::cacheavail() ? __('Yes','autoptimize') : __('No','autoptimize')); ?></td>
+<tr valign="top" class="<?php echo $hiddenClass; ?>ao_adv">
+<th scope="row"><?php _e('Can we write?', 'autoptimize'); ?></th>
+<td><?php echo (autoptimizeCache::cacheavail() ? __('Yes', 'autoptimize') : __('No', 'autoptimize')); ?></td>
 </tr>
-<tr valign="top" class="<?php echo $hiddenClass;?>ao_adv">
-<th scope="row"><?php _e('Cached styles and scripts','autoptimize'); ?></th>
+<tr valign="top" class="<?php echo $hiddenClass; ?>ao_adv">
+<th scope="row"><?php _e('Cached styles and scripts', 'autoptimize'); ?></th>
 <td><?php
     $AOstatArr = autoptimizeCache::stats();
-    if ( ! empty( $AOstatArr ) && is_array( $AOstatArr ) ) {
-        $AOcacheSize = size_format( $AOstatArr[1], 2 );
+    if (!empty($AOstatArr) && is_array($AOstatArr)) {
+        $AOcacheSize = size_format($AOstatArr[1], 2);
         $details = '';
-        if ( $AOcacheSize > 0 ) {
-            $details = ', ~' . $AOcacheSize . ' total';
+        if ($AOcacheSize > 0) {
+            $details = ', ~'.$AOcacheSize.' total';
         }
-        printf( __( '%1$s files, totalling %2$s Kbytes (calculated at %3$s)', 'autoptimize' ), $AOstatArr[0], $AOcacheSize, date( 'H:i e', $AOstatArr[2] ) );
+        printf(__('%1$s files, totalling %2$s Kbytes (calculated at %3$s)', 'autoptimize'), $AOstatArr[0], $AOcacheSize, date('H:i e', $AOstatArr[2]));
     }
 ?></td>
 </tr>
 </table>
 </li>
 
-<li class="<?php echo $hiddenClass;?>itemDetail ao_adv">
-<h2 class="itemTitle"><?php _e('Misc Options','autoptimize'); ?></h2>
+<li class="<?php echo $hiddenClass; ?>itemDetail ao_adv">
+<h2 class="itemTitle"><?php _e('Misc Options', 'autoptimize'); ?></h2>
 <table class="form-table">
-    <tr valign="top" class="<?php echo $hiddenClass;?>ao_adv">
-    <th scope="row"><?php _e('Save aggregated script/css as static files?','autoptimize'); ?></th>
-    <td><label class="cb_label"><input type="checkbox" name="autoptimize_cache_nogzip" <?php echo get_option('autoptimize_cache_nogzip','1')?'checked="checked" ':''; ?>/>
-    <?php _e('By default files saved are static css/js, uncheck this option if your webserver doesn\'t properly handle the compression and expiry.','autoptimize'); ?></label></td>
+    <tr valign="top" class="<?php echo $hiddenClass; ?>ao_adv">
+    <th scope="row"><?php _e('Save aggregated script/css as static files?', 'autoptimize'); ?></th>
+    <td><label class="cb_label"><input type="checkbox" name="autoptimize_cache_nogzip" <?php echo get_option('autoptimize_cache_nogzip', '1') ? 'checked="checked" ' : ''; ?>/>
+    <?php _e('By default files saved are static css/js, uncheck this option if your webserver doesn\'t properly handle the compression and expiry.', 'autoptimize'); ?></label></td>
     </tr>
     <?php
     $_min_excl_class = 'ao_adv';
-    if ( !$conf->get( 'autoptimize_css_aggregate' ) && !$conf->get( 'autoptimize_js_aggregate' ) ) {
+    if (!$conf->get('autoptimize_css_aggregate') && !$conf->get('autoptimize_js_aggregate')) {
         $_min_excl_class = ' hidden';
     }
     ?>
     <tr valign="top" id="min_excl_row" class="<?php echo $hiddenClass.$_min_excl_class; ?>">
-        <th scope="row"><?php _e('Minify excluded CSS and JS files?','autoptimize'); ?></th>
-        <td><label class="cb_label"><input type="checkbox" name="autoptimize_minify_excluded" <?php echo get_option('autoptimize_minify_excluded','1')?'checked="checked" ':''; ?>/>
-        <?php _e('When aggregating JS or CSS, excluded files that are not minified (based on filename) are by default minified by Autoptimize despite being excluded. Uncheck this option if anything breaks despite excluding.','autoptimize'); ?></label></td>
+        <th scope="row"><?php _e('Minify excluded CSS and JS files?', 'autoptimize'); ?></th>
+        <td><label class="cb_label"><input type="checkbox" name="autoptimize_minify_excluded" <?php echo get_option('autoptimize_minify_excluded', '1') ? 'checked="checked" ' : ''; ?>/>
+        <?php _e('When aggregating JS or CSS, excluded files that are not minified (based on filename) are by default minified by Autoptimize despite being excluded. Uncheck this option if anything breaks despite excluding.', 'autoptimize'); ?></label></td>
     </tr>
-    <tr valign="top" class="<?php echo $hiddenClass;?>ao_adv">
-    <th scope="row"><?php _e('Also optimize for logged in users?','autoptimize'); ?></th>
-    <td><label class="cb_label"><input type="checkbox" name="autoptimize_optimize_logged" <?php echo get_option('autoptimize_optimize_logged','1')?'checked="checked" ':''; ?>/>
-    <?php _e('By default Autoptimize is also active for logged on users, uncheck not to optimize when logged in e.g. to use a pagebuilder.','autoptimize'); ?></label></td>
+    <tr valign="top" class="<?php echo $hiddenClass; ?>ao_adv">
+    <th scope="row"><?php _e('Also optimize for logged in users?', 'autoptimize'); ?></th>
+    <td><label class="cb_label"><input type="checkbox" name="autoptimize_optimize_logged" <?php echo get_option('autoptimize_optimize_logged', '1') ? 'checked="checked" ' : ''; ?>/>
+    <?php _e('By default Autoptimize is also active for logged on users, uncheck not to optimize when logged in e.g. to use a pagebuilder.', 'autoptimize'); ?></label></td>
     </tr>
     <?php
-    if ( function_exists("is_checkout") || function_exists("is_cart") || function_exists("edd_is_checkout") || function_exists("wpsc_is_cart") || function_exists("wpsc_is_checkout") ) {
+    if (function_exists("is_checkout") || function_exists("is_cart") || function_exists("edd_is_checkout") || function_exists("wpsc_is_cart") || function_exists("wpsc_is_checkout")) {
     ?>
-    <tr valign="top" class="<?php echo $hiddenClass;?>ao_adv">
-        <th scope="row"><?php _e('Also optimize shop cart/ checkout?','autoptimize'); ?></th>
-        <td><label class="cb_label"><input type="checkbox" name="autoptimize_optimize_checkout" <?php echo get_option('autoptimize_optimize_checkout','1')?'checked="checked" ':''; ?>/>
-            <?php _e('By default Autoptimize is also active on your shop\'s cart/ checkout, uncheck not to optimize those.','autoptimize'); ?></label>
+    <tr valign="top" class="<?php echo $hiddenClass; ?>ao_adv">
+        <th scope="row"><?php _e('Also optimize shop cart/ checkout?', 'autoptimize'); ?></th>
+        <td><label class="cb_label"><input type="checkbox" name="autoptimize_optimize_checkout" <?php echo get_option('autoptimize_optimize_checkout', '1') ? 'checked="checked" ' : ''; ?>/>
+            <?php _e('By default Autoptimize is also active on your shop\'s cart/ checkout, uncheck not to optimize those.', 'autoptimize'); ?></label>
         </td>
     </tr>
     <?php } ?>
@@ -403,11 +403,11 @@ 
 
 </ul>
 
-<input type="hidden" id="autoptimize_show_adv" name="autoptimize_show_adv" value="<?php echo get_option('autoptimize_show_adv','0'); ?>">
+<input type="hidden" id="autoptimize_show_adv" name="autoptimize_show_adv" value="<?php echo get_option('autoptimize_show_adv', '0'); ?>">
 
 <p class="submit">
-<input type="submit" class="button-secondary" value="<?php _e('Save Changes','autoptimize') ?>" />
-<input type="submit" class="button-primary" name="autoptimize_cache_clean" value="<?php _e('Save Changes and Empty Cache','autoptimize') ?>" />
+<input type="submit" class="button-secondary" value="<?php _e('Save Changes', 'autoptimize') ?>" />
+<input type="submit" class="button-primary" name="autoptimize_cache_clean" value="<?php _e('Save Changes and Empty Cache', 'autoptimize') ?>" />
 </p>
 
 </form>
@@ -416,13 +416,13 @@ 
     <div class="autoptimize_banner hidden">
       <ul>
     <?php
-    if ( $this->settings_screen_do_remote_http ) {
-        $AO_banner = get_transient( 'autoptimize_banner' );
-        if ( empty( $AO_banner ) ) {
-            $banner_resp = wp_remote_get( 'https://misc.optimizingmatters.com/autoptimize_news.html?ao_ver='.AUTOPTIMIZE_PLUGIN_VERSION );
-            if ( ! is_wp_error( $banner_resp ) ) {
-                if ( '200' == wp_remote_retrieve_response_code( $banner_resp ) ) {
-                    $AO_banner = wp_kses_post( wp_remote_retrieve_body( $banner_resp ) );
+    if ($this->settings_screen_do_remote_http) {
+        $AO_banner = get_transient('autoptimize_banner');
+        if (empty($AO_banner)) {
+            $banner_resp = wp_remote_get('https://misc.optimizingmatters.com/autoptimize_news.html?ao_ver='.AUTOPTIMIZE_PLUGIN_VERSION);
+            if (!is_wp_error($banner_resp)) {
+                if ('200' == wp_remote_retrieve_response_code($banner_resp)) {
+                    $AO_banner = wp_kses_post(wp_remote_retrieve_body($banner_resp));
                     set_transient('autoptimize_banner', $AO_banner, DAY_IN_SECONDS);
                 }
             }
@@ -430,17 +430,17 @@ 
         echo $AO_banner;
     }
     ?>
-        <li><?php _e("Need help? <a href='https://wordpress.org/plugins/autoptimize/faq/'>Check out the FAQ here</a>.","autoptimize"); ?></li>
-        <li><?php _e("Happy with Autoptimize?","autoptimize"); ?><br /><a href="<?php echo network_admin_url(); ?>plugin-install.php?tab=search&type=author&s=optimizingmatters"><?php _e("Try my other plugins!","autoptimize"); ?></a></li>
+        <li><?php _e("Need help? <a href='https://wordpress.org/plugins/autoptimize/faq/'>Check out the FAQ here</a>.", "autoptimize"); ?></li>
+        <li><?php _e("Happy with Autoptimize?", "autoptimize"); ?><br /><a href="<?php echo network_admin_url(); ?>plugin-install.php?tab=search&type=author&s=optimizingmatters"><?php _e("Try my other plugins!", "autoptimize"); ?></a></li>
     </ul>
     </div>
     <div style="margin-left:10px;margin-top:-5px;">
         <h2>
-            <?php _e("futtta about","autoptimize") ?>
+            <?php _e("futtta about", "autoptimize") ?>
             <select id="feed_dropdown" >
-                <option value="1"><?php _e("Autoptimize","autoptimize") ?></option>
-                <option value="2"><?php _e("WordPress","autoptimize") ?></option>
-                <option value="3"><?php _e("Web Technology","autoptimize") ?></option>
+                <option value="1"><?php _e("Autoptimize", "autoptimize") ?></option>
+                <option value="2"><?php _e("WordPress", "autoptimize") ?></option>
+                <option value="3"><?php _e("Web Technology", "autoptimize") ?></option>
             </select>
         </h2>
         <div id="futtta_feed">
@@ -455,7 +455,7 @@ 
             </div>
         </div>
     </div>
-    <div style="float:right;margin:50px 15px;"><a href="http://blog.futtta.be/2013/10/21/do-not-donate-to-me/" target="_blank"><img width="100px" height="85px" src="<?php echo plugins_url().'/'.plugin_basename(dirname(__FILE__)).'/external/do_not_donate_smallest.png'; ?>" title="<?php _e("Do not donate for this plugin!","autoptimize"); ?>"></a></div>
+    <div style="float:right;margin:50px 15px;"><a href="http://blog.futtta.be/2013/10/21/do-not-donate-to-me/" target="_blank"><img width="100px" height="85px" src="<?php echo plugins_url().'/'.plugin_basename(dirname(__FILE__)).'/external/do_not_donate_smallest.png'; ?>" title="<?php _e("Do not donate for this plugin!", "autoptimize"); ?>"></a></div>
 </div>
 
 <script type="text/javascript">
@@ -626,49 +626,49 @@ 
 
     public function addmenu()
     {
-        $hook = add_options_page( __( 'Autoptimize Options', 'autoptimize' ), 'Autoptimize', 'manage_options', 'autoptimize', array( $this, 'show' ) );
-        add_action( 'admin_print_scripts-' . $hook, array( $this, 'autoptimize_admin_scripts' ) );
-        add_action( 'admin_print_styles-' . $hook, array( $this, 'autoptimize_admin_styles' ) );
+        $hook = add_options_page(__('Autoptimize Options', 'autoptimize'), 'Autoptimize', 'manage_options', 'autoptimize', array($this, 'show'));
+        add_action('admin_print_scripts-'.$hook, array($this, 'autoptimize_admin_scripts'));
+        add_action('admin_print_styles-'.$hook, array($this, 'autoptimize_admin_styles'));
     }
 
     public function autoptimize_admin_scripts()
     {
-        wp_enqueue_script( 'jqcookie', plugins_url( '/external/js/jquery.cookie.min.js', __FILE__ ), array( 'jquery' ), null, true );
-        wp_enqueue_script( 'unslider', plugins_url( '/external/js/unslider-min.js', __FILE__ ), array( 'jquery' ), null, true );
+        wp_enqueue_script('jqcookie', plugins_url('/external/js/jquery.cookie.min.js', __FILE__), array('jquery'), null, true);
+        wp_enqueue_script('unslider', plugins_url('/external/js/unslider-min.js', __FILE__), array('jquery'), null, true);
     }
 
     public function autoptimize_admin_styles()
     {
-        wp_enqueue_style( 'unslider', plugins_url( '/external/js/unslider.css', __FILE__ ) );
-        wp_enqueue_style( 'unslider-dots', plugins_url( '/external/js/unslider-dots.css', __FILE__ ) );
+        wp_enqueue_style('unslider', plugins_url('/external/js/unslider.css', __FILE__));
+        wp_enqueue_style('unslider-dots', plugins_url('/external/js/unslider-dots.css', __FILE__));
     }
 
     public function registersettings() {
-        register_setting( 'autoptimize', 'autoptimize_html' );
-        register_setting( 'autoptimize', 'autoptimize_html_keepcomments' );
-        register_setting( 'autoptimize', 'autoptimize_js' );
-        register_setting( 'autoptimize', 'autoptimize_js_aggregate' );
-        register_setting( 'autoptimize', 'autoptimize_js_exclude' );
-        register_setting( 'autoptimize', 'autoptimize_js_trycatch' );
-        register_setting( 'autoptimize', 'autoptimize_js_justhead' );
-        register_setting( 'autoptimize', 'autoptimize_js_forcehead' );
-        register_setting( 'autoptimize', 'autoptimize_js_include_inline' );
-        register_setting( 'autoptimize', 'autoptimize_css' );
-        register_setting( 'autoptimize', 'autoptimize_css_aggregate' );
-        register_setting( 'autoptimize', 'autoptimize_css_exclude' );
-        register_setting( 'autoptimize', 'autoptimize_css_justhead' );
-        register_setting( 'autoptimize', 'autoptimize_css_datauris' );
-        register_setting( 'autoptimize', 'autoptimize_css_defer' );
-        register_setting( 'autoptimize', 'autoptimize_css_defer_inline' );
-        register_setting( 'autoptimize', 'autoptimize_css_inline' );
-        register_setting( 'autoptimize', 'autoptimize_css_include_inline' );
-        register_setting( 'autoptimize', 'autoptimize_cdn_url' );
-        register_setting( 'autoptimize', 'autoptimize_cache_clean' );
-        register_setting( 'autoptimize', 'autoptimize_cache_nogzip' );
-        register_setting( 'autoptimize', 'autoptimize_show_adv' );
-        register_setting( 'autoptimize', 'autoptimize_optimize_logged' );
-        register_setting( 'autoptimize', 'autoptimize_optimize_checkout' );
-        register_setting( 'autoptimize', 'autoptimize_minify_excluded' );
+        register_setting('autoptimize', 'autoptimize_html');
+        register_setting('autoptimize', 'autoptimize_html_keepcomments');
+        register_setting('autoptimize', 'autoptimize_js');
+        register_setting('autoptimize', 'autoptimize_js_aggregate');
+        register_setting('autoptimize', 'autoptimize_js_exclude');
+        register_setting('autoptimize', 'autoptimize_js_trycatch');
+        register_setting('autoptimize', 'autoptimize_js_justhead');
+        register_setting('autoptimize', 'autoptimize_js_forcehead');
+        register_setting('autoptimize', 'autoptimize_js_include_inline');
+        register_setting('autoptimize', 'autoptimize_css');
+        register_setting('autoptimize', 'autoptimize_css_aggregate');
+        register_setting('autoptimize', 'autoptimize_css_exclude');
+        register_setting('autoptimize', 'autoptimize_css_justhead');
+        register_setting('autoptimize', 'autoptimize_css_datauris');
+        register_setting('autoptimize', 'autoptimize_css_defer');
+        register_setting('autoptimize', 'autoptimize_css_defer_inline');
+        register_setting('autoptimize', 'autoptimize_css_inline');
+        register_setting('autoptimize', 'autoptimize_css_include_inline');
+        register_setting('autoptimize', 'autoptimize_cdn_url');
+        register_setting('autoptimize', 'autoptimize_cache_clean');
+        register_setting('autoptimize', 'autoptimize_cache_nogzip');
+        register_setting('autoptimize', 'autoptimize_show_adv');
+        register_setting('autoptimize', 'autoptimize_optimize_logged');
+        register_setting('autoptimize', 'autoptimize_optimize_checkout');
+        register_setting('autoptimize', 'autoptimize_minify_excluded');
     }
 
     public function setmeta($links, $file = null)
@@ -676,20 +676,20 @@ 
         // Inspired on http://wpengineer.com/meta-links-for-wordpress-plugins/.
         // Do it only once - saves time.
         static $plugin;
-        if ( empty( $plugin ) ) {
-            $plugin = plugin_basename( AUTOPTIMIZE_PLUGIN_DIR . 'autoptimize.php' );
+        if (empty($plugin)) {
+            $plugin = plugin_basename(AUTOPTIMIZE_PLUGIN_DIR.'autoptimize.php');
         }
 
-        if ( null === $file ) {
+        if (null === $file) {
             // 2.7 and lower.
-            $settings_link = sprintf( '<a href="options-general.php?page=autoptimize">%s</a>', __( 'Settings' ) );
-            array_unshift( $links, $settings_link );
+            $settings_link = sprintf('<a href="options-general.php?page=autoptimize">%s</a>', __('Settings'));
+            array_unshift($links, $settings_link);
         } else {
             // 2.8 and higher.
             // If it's us, add the link.
-            if ( $file === $plugin ) {
-                $newlink = array( sprintf( '<a href="options-general.php?page=autoptimize">%s</a>', __( 'Settings' ) ) );
-                $links = array_merge( $links, $newlink );
+            if ($file === $plugin) {
+                $newlink = array(sprintf('<a href="options-general.php?page=autoptimize">%s</a>', __('Settings')));
+                $links = array_merge($links, $newlink);
             }
         }
 
@@ -761,7 +761,7 @@ 
             'autoptimize_imgopt_select_field_2'   => '2', // quality glossy.
             'autoptimize_imgopt_checkbox_field_3' => '0', // lazy load off.
             'autoptimize_imgopt_checkbox_field_4' => '0', // webp off (might be removed).
-            'autoptimize_imgopt_text_field_5'     => '',  // lazy load exclusions empty.
+            'autoptimize_imgopt_text_field_5'     => '', // lazy load exclusions empty.
         );
         return $defaults;
     }
@@ -773,7 +773,7 @@ 
      */
     public static function get_ao_css_preload_polyfill()
     {
-        $preload_poly = apply_filters('autoptimize_css_preload_polyfill','<script data-cfasync=\'false\'>!function(t){"use strict";t.loadCSS||(t.loadCSS=function(){});var e=loadCSS.relpreload={};if(e.support=function(){var e;try{e=t.document.createElement("link").relList.supports("preload")}catch(t){e=!1}return function(){return e}}(),e.bindMediaToggle=function(t){function e(){t.media=a}var a=t.media||"all";t.addEventListener?t.addEventListener("load",e):t.attachEvent&&t.attachEvent("onload",e),setTimeout(function(){t.rel="stylesheet",t.media="only x"}),setTimeout(e,3e3)},e.poly=function(){if(!e.support())for(var a=t.document.getElementsByTagName("link"),n=0;n<a.length;n++){var o=a[n];"preload"!==o.rel||"style"!==o.getAttribute("as")||o.getAttribute("data-loadcss")||(o.setAttribute("data-loadcss",!0),e.bindMediaToggle(o))}},!e.support()){e.poly();var a=t.setInterval(e.poly,500);t.addEventListener?t.addEventListener("load",function(){e.poly(),t.clearInterval(a)}):t.attachEvent&&t.attachEvent("onload",function(){e.poly(),t.clearInterval(a)})}"undefined"!=typeof exports?exports.loadCSS=loadCSS:t.loadCSS=loadCSS}("undefined"!=typeof global?global:this);</script>');
+        $preload_poly = apply_filters('autoptimize_css_preload_polyfill', '<script data-cfasync=\'false\'>!function(t){"use strict";t.loadCSS||(t.loadCSS=function(){});var e=loadCSS.relpreload={};if(e.support=function(){var e;try{e=t.document.createElement("link").relList.supports("preload")}catch(t){e=!1}return function(){return e}}(),e.bindMediaToggle=function(t){function e(){t.media=a}var a=t.media||"all";t.addEventListener?t.addEventListener("load",e):t.attachEvent&&t.attachEvent("onload",e),setTimeout(function(){t.rel="stylesheet",t.media="only x"}),setTimeout(e,3e3)},e.poly=function(){if(!e.support())for(var a=t.document.getElementsByTagName("link"),n=0;n<a.length;n++){var o=a[n];"preload"!==o.rel||"style"!==o.getAttribute("as")||o.getAttribute("data-loadcss")||(o.setAttribute("data-loadcss",!0),e.bindMediaToggle(o))}},!e.support()){e.poly();var a=t.setInterval(e.poly,500);t.addEventListener?t.addEventListener("load",function(){e.poly(),t.clearInterval(a)}):t.attachEvent&&t.attachEvent("onload",function(){e.poly(),t.clearInterval(a)})}"undefined"!=typeof exports?exports.loadCSS=loadCSS:t.loadCSS=loadCSS}("undefined"!=typeof global?global:this);</script>');
         return $preload_poly;
     }
 
@@ -784,55 +784,55 @@ 
      */
     public static function get_ao_css_preload_onload()
     {
-        $preload_onload = apply_filters('autoptimize_filter_css_preload_onload',"this.onload=null;this.rel='stylesheet'");
+        $preload_onload = apply_filters('autoptimize_filter_css_preload_onload', "this.onload=null;this.rel='stylesheet'");
         return $preload_onload;
     }
 
     public function get($key)
     {
-        if ( ! is_array( $this->config ) ) {
+        if (!is_array($this->config)) {
             // Default config.
             $config = self::get_defaults();
 
             // Override with user settings.
-            foreach ( array_keys( $config ) as $name ) {
-                $conf = get_option( $name );
-                if ( false !== $conf ) {
+            foreach (array_keys($config) as $name) {
+                $conf = get_option($name);
+                if (false !== $conf) {
                     // It was set before!
-                    $config[ $name ] = $conf;
+                    $config[$name] = $conf;
                 }
             }
 
             // Save for next call.
-            $this->config = apply_filters( 'autoptimize_filter_get_config', $config );
+            $this->config = apply_filters('autoptimize_filter_get_config', $config);
         }
 
-        if ( isset( $this->config[ $key ] ) ) {
-            return $this->config[ $key ];
+        if (isset($this->config[$key])) {
+            return $this->config[$key];
         }
 
         return false;
     }
 
     private function getFutttaFeeds($url) {
-        if ( $this->settings_screen_do_remote_http ) {
-            $rss = fetch_feed( $url );
+        if ($this->settings_screen_do_remote_http) {
+            $rss = fetch_feed($url);
             $maxitems = 0;
 
-            if ( ! is_wp_error( $rss ) ) {
-                $maxitems = $rss->get_item_quantity( 7 );
-                $rss_items = $rss->get_items( 0, $maxitems );
+            if (!is_wp_error($rss)) {
+                $maxitems = $rss->get_item_quantity(7);
+                $rss_items = $rss->get_items(0, $maxitems);
             }
             ?>
             <ul>
-                <?php if ( $maxitems == 0 ) : ?>
-                    <li><?php _e( 'No items', 'autoptimize' ); ?></li>
+                <?php if ($maxitems == 0) : ?>
+                    <li><?php _e('No items', 'autoptimize'); ?></li>
                 <?php else : ?>
-                    <?php foreach ( $rss_items as $item ) : ?>
+                    <?php foreach ($rss_items as $item) : ?>
                         <li>
-                            <a href="<?php echo esc_url( $item->get_permalink() ); ?>"
-                                title="<?php printf( __( 'Posted %s', 'autoptimize' ), $item->get_date('j F Y | g:i a') ); ?>">
-                                <?php echo esc_html( $item->get_title() ); ?>
+                            <a href="<?php echo esc_url($item->get_permalink()); ?>"
+                                title="<?php printf(__('Posted %s', 'autoptimize'), $item->get_date('j F Y | g:i a')); ?>">
+                                <?php echo esc_html($item->get_title()); ?>
                             </a>
                         </li>
                     <?php endforeach; ?>
@@ -845,23 +845,23 @@ 
     // based on http://wordpress.stackexchange.com/a/58826
     static function ao_admin_tabs()
     {
-        $tabs = apply_filters( 'autoptimize_filter_settingsscreen_tabs' ,array( 'autoptimize' => __( 'JS, CSS  &amp; HTML', 'autoptimize' ) ) );
+        $tabs = apply_filters('autoptimize_filter_settingsscreen_tabs', array('autoptimize' => __('JS, CSS  &amp; HTML', 'autoptimize')));
         $tabContent = '';
         $tabs_count = count($tabs);
-        if ( $tabs_count > 1 ) {
-            if ( isset( $_GET['page'] ) ) {
+        if ($tabs_count > 1) {
+            if (isset($_GET['page'])) {
                 $currentId = $_GET['page'];
             } else {
                 $currentId = "autoptimize";
             }
             $tabContent .= '<h2 class="nav-tab-wrapper">';
             foreach ($tabs as $tabId => $tabName) {
-                if ( $currentId == $tabId ) {
+                if ($currentId == $tabId) {
                     $class = ' nav-tab-active';
-                } else{
+                } else {
                     $class = '';
                 }
-                $tabContent .= '<a class="nav-tab' . $class . '" href="?page=' . $tabId . '">' . $tabName . '</a>';
+                $tabContent .= '<a class="nav-tab'.$class.'" href="?page='.$tabId.'">'.$tabName.'</a>';
             }
             $tabContent .= '</h2>';
         } else {
@@ -878,7 +878,7 @@ 
      */
     public static function is_admin_and_not_ajax()
     {
-        return ( is_admin() && ! self::doing_ajax() );
+        return (is_admin() && !self::doing_ajax());
     }
 
     /**
@@ -888,9 +888,9 @@ 
      */
     protected static function doing_ajax()
     {
-        if ( function_exists( 'wp_doing_ajax' ) ) {
+        if (function_exists('wp_doing_ajax')) {
             return wp_doing_ajax();
         }
-        return ( defined( 'DOING_AJAX' ) && DOING_AJAX );
+        return (defined('DOING_AJAX') && DOING_AJAX);
     }
 }

classes/autoptimizeScripts.php

Spacing +154 added lines, -154 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit;
 }
 
@@ -13,18 +13,18 @@ 
     );
 
     private $dontmove = array(
-        'document.write','html5.js','show_ads.js','google_ad','histats.com/js','statcounter.com/counter/counter.js',
-        'ws.amazon.com/widgets','media.fastclick.net','/ads/','comment-form-quicktags/quicktags.php','edToolbar',
-        'intensedebate.com','scripts.chitika.net/','_gaq.push','jotform.com/','admin-bar.min.js','GoogleAnalyticsObject',
-        'plupload.full.min.js','syntaxhighlighter','adsbygoogle','gist.github.com','_stq','nonce','post_id','data-noptimize'
+        'document.write', 'html5.js', 'show_ads.js', 'google_ad', 'histats.com/js', 'statcounter.com/counter/counter.js',
+        'ws.amazon.com/widgets', 'media.fastclick.net', '/ads/', 'comment-form-quicktags/quicktags.php', 'edToolbar',
+        'intensedebate.com', 'scripts.chitika.net/', '_gaq.push', 'jotform.com/', 'admin-bar.min.js', 'GoogleAnalyticsObject',
+        'plupload.full.min.js', 'syntaxhighlighter', 'adsbygoogle', 'gist.github.com', '_stq', 'nonce', 'post_id', 'data-noptimize'
         ,'logHuman'
     );
     private $domove     = array(
-        'gaJsHost','load_cmc','jd.gallery.transitions.js','swfobject.embedSWF(','tiny_mce.js','tinyMCEPreInit.go'
+        'gaJsHost', 'load_cmc', 'jd.gallery.transitions.js', 'swfobject.embedSWF(', 'tiny_mce.js', 'tinyMCEPreInit.go'
     );
     private $domovelast = array(
-        'addthis.com','/afsonline/show_afs_search.js','disqus.js','networkedblogs.com/getnetworkwidget','infolinks.com/js/',
-        'jd.gallery.js.php','jd.gallery.transitions.js','swfobject.embedSWF(','linkwithin.com/widget.js','tiny_mce.js','tinyMCEPreInit.go'
+        'addthis.com', '/afsonline/show_afs_search.js', 'disqus.js', 'networkedblogs.com/getnetworkwidget', 'infolinks.com/js/',
+        'jd.gallery.js.php', 'jd.gallery.transitions.js', 'swfobject.embedSWF(', 'linkwithin.com/widget.js', 'tiny_mce.js', 'tinyMCEPreInit.go'
     );
     public $cdn_url = '';
 
@@ -45,89 +45,89 @@ 
     // Reads the page and collects script tags.
     public function read($options)
     {
-        $noptimizeJS = apply_filters( 'autoptimize_filter_js_noptimize', false, $this->content );
-        if ( $noptimizeJS ) {
+        $noptimizeJS = apply_filters('autoptimize_filter_js_noptimize', false, $this->content);
+        if ($noptimizeJS) {
             return false;
         }
 
         // only optimize known good JS?
-        $whitelistJS = apply_filters( 'autoptimize_filter_js_whitelist', '', $this->content );
-        if ( ! empty( $whitelistJS ) ) {
-            $this->whitelist = array_filter( array_map( 'trim', explode( ',', $whitelistJS ) ) );
+        $whitelistJS = apply_filters('autoptimize_filter_js_whitelist', '', $this->content);
+        if (!empty($whitelistJS)) {
+            $this->whitelist = array_filter(array_map('trim', explode(',', $whitelistJS)));
         }
 
         // is there JS we should simply remove?
-        $removableJS = apply_filters( 'autoptimize_filter_js_removables', '', $this->content );
+        $removableJS = apply_filters('autoptimize_filter_js_removables', '', $this->content);
         if (!empty($removableJS)) {
-            $this->jsremovables = array_filter( array_map( 'trim', explode( ',', $removableJS ) ) );
+            $this->jsremovables = array_filter(array_map('trim', explode(',', $removableJS)));
         }
 
         // only header?
-        if ( apply_filters( 'autoptimize_filter_js_justhead', $options['justhead'] ) ) {
-            $content             = explode( '</head>', $this->content, 2 );
-            $this->content       = $content[0] . '</head>';
+        if (apply_filters('autoptimize_filter_js_justhead', $options['justhead'])) {
+            $content             = explode('</head>', $this->content, 2);
+            $this->content       = $content[0].'</head>';
             $this->restofcontent = $content[1];
         }
 
         // Determine whether we're doing JS-files aggregation or not.
-        if ( ! $options['aggregate'] ) {
+        if (!$options['aggregate']) {
             $this->aggregate = false;
         }
         // Returning true for "dontaggregate" turns off aggregation.
-        if ( $this->aggregate && apply_filters( 'autoptimize_filter_js_dontaggregate', false ) ) {
+        if ($this->aggregate && apply_filters('autoptimize_filter_js_dontaggregate', false)) {
             $this->aggregate = false;
         }
 
         // include inline?
-        if ( apply_filters( 'autoptimize_js_include_inline', $options['include_inline'] ) ) {
+        if (apply_filters('autoptimize_js_include_inline', $options['include_inline'])) {
             $this->include_inline = true;
         }
 
         // filter to "late inject minified JS", default to true for now (it is faster).
-        $this->inject_min_late = apply_filters( 'autoptimize_filter_js_inject_min_late', true );
+        $this->inject_min_late = apply_filters('autoptimize_filter_js_inject_min_late', true);
 
         // filters to override hardcoded do(nt)move(last) array contents (array in, array out!).
-        $this->dontmove = apply_filters( 'autoptimize_filter_js_dontmove', $this->dontmove );
-        $this->domovelast = apply_filters( 'autoptimize_filter_js_movelast', $this->domovelast );
-        $this->domove = apply_filters( 'autoptimize_filter_js_domove', $this->domove );
+        $this->dontmove = apply_filters('autoptimize_filter_js_dontmove', $this->dontmove);
+        $this->domovelast = apply_filters('autoptimize_filter_js_movelast', $this->domovelast);
+        $this->domove = apply_filters('autoptimize_filter_js_domove', $this->domove);
 
         // Determine whether excluded files should be minified if not yet so.
-        if ( ! $options['minify_excluded'] && $options['aggregate'] ) {
+        if (!$options['minify_excluded'] && $options['aggregate']) {
             $this->minify_excluded = false;
         }
 
         // get extra exclusions settings or filter.
         $excludeJS = $options['js_exclude'];
-        $excludeJS = apply_filters( 'autoptimize_filter_js_exclude', $excludeJS, $this->content );
+        $excludeJS = apply_filters('autoptimize_filter_js_exclude', $excludeJS, $this->content);
 
-        if ( '' !== $excludeJS ) {
-            if ( is_array( $excludeJS ) ) {
-                if ( ( $removeKeys = array_keys( $excludeJS, 'remove' ) ) !== false ) {
-                    foreach ( $removeKeys as $removeKey ) {
-                        unset( $excludeJS[$removeKey] );
+        if ('' !== $excludeJS) {
+            if (is_array($excludeJS)) {
+                if (($removeKeys = array_keys($excludeJS, 'remove')) !== false) {
+                    foreach ($removeKeys as $removeKey) {
+                        unset($excludeJS[$removeKey]);
                         $this->jsremovables[] = $removeKey;
                     }
                 }
-                $exclJSArr = array_keys( $excludeJS );
+                $exclJSArr = array_keys($excludeJS);
             } else {
-                $exclJSArr = array_filter( array_map( 'trim', explode( ',', $excludeJS ) ) );
+                $exclJSArr = array_filter(array_map('trim', explode(',', $excludeJS)));
             }
-            $this->dontmove = array_merge( $exclJSArr, $this->dontmove );
+            $this->dontmove = array_merge($exclJSArr, $this->dontmove);
         }
 
         // Should we add try-catch?
-        if ( $options['trycatch'] ) {
+        if ($options['trycatch']) {
             $this->trycatch = true;
         }
 
         // force js in head?
-        if ( $options['forcehead'] ) {
+        if ($options['forcehead']) {
             $this->forcehead = true;
         } else {
             $this->forcehead = false;
         }
 
-        $this->forcehead = apply_filters( 'autoptimize_filter_js_forcehead', $this->forcehead );
+        $this->forcehead = apply_filters('autoptimize_filter_js_forcehead', $this->forcehead);
 
         // get cdn url.
         $this->cdn_url = $options['cdn_url'];
@@ -142,26 +142,26 @@ 
         $this->content = $this->hide_comments($this->content);
 
         // Get script files.
-        if ( preg_match_all( '#<script.*</script>#Usmi', $this->content, $matches ) ) {
-            foreach( $matches[0] as $tag ) {
+        if (preg_match_all('#<script.*</script>#Usmi', $this->content, $matches)) {
+            foreach ($matches[0] as $tag) {
                 // only consider script aggregation for types whitelisted in should_aggregate-function.
                 $should_aggregate = $this->should_aggregate($tag);
-                if ( ! $should_aggregate ) {
+                if (!$should_aggregate) {
                     $tag = '';
                     continue;
                 }
 
-                if ( preg_match( '#<script[^>]*src=("|\')([^>]*)("|\')#Usmi', $tag, $source ) ) {
+                if (preg_match('#<script[^>]*src=("|\')([^>]*)("|\')#Usmi', $tag, $source)) {
                     // non-inline script.
-                    if ( $this->isremovable($tag, $this->jsremovables) ) {
-                        $this->content = str_replace( $tag, '', $this->content );
+                    if ($this->isremovable($tag, $this->jsremovables)) {
+                        $this->content = str_replace($tag, '', $this->content);
                         continue;
                     }
 
                     $origTag = null;
-                    $url = current( explode( '?', $source[2], 2 ) );
+                    $url = current(explode('?', $source[2], 2));
                     $path = $this->getpath($url);
-                    if ( false !== $path && preg_match( '#\.js$#', $path ) && $this->ismergeable($tag) ) {
+                    if (false !== $path && preg_match('#\.js$#', $path) && $this->ismergeable($tag)) {
                         // ok to optimize, add to array.
                         $this->scripts[] = $path;
                     } else {
@@ -169,11 +169,11 @@ 
                         $newTag  = $tag;
 
                         // non-mergeable script (excluded or dynamic or external).
-                        if ( is_array( $excludeJS ) ) {
+                        if (is_array($excludeJS)) {
                             // should we add flags?
-                            foreach ( $excludeJS as $exclTag => $exclFlags) {
-                                if ( false !== strpos( $origTag, $exclTag ) && in_array( $exclFlags, array( 'async', 'defer' ) ) ) {
-                                    $newTag = str_replace( '<script ', '<script ' . $exclFlags . ' ', $newTag );
+                            foreach ($excludeJS as $exclTag => $exclFlags) {
+                                if (false !== strpos($origTag, $exclTag) && in_array($exclFlags, array('async', 'defer'))) {
+                                    $newTag = str_replace('<script ', '<script '.$exclFlags.' ', $newTag);
                                 }
                             }
                         }
@@ -181,28 +181,28 @@ 
                         // Should we minify the non-aggregated script?
                         // -> if aggregate is on and exclude minify is on
                         // -> if aggregate is off and the file is not in dontmove.
-                        if ( $path && ( $this->minify_excluded || apply_filters( 'autoptimize_filter_js_minify_excluded', false, $url ) ) ) {
-                            $consider_minified_array = apply_filters( 'autoptimize_filter_js_consider_minified', false );
-                            if ( ( false === $this->aggregate && str_replace( $this->dontmove, '', $path ) === $path ) || ( true === $this->aggregate && ( false === $consider_minified_array || str_replace( $consider_minified_array, '', $path ) === $path ) ) ) {
-                                $minified_url = $this->minify_single( $path );
+                        if ($path && ($this->minify_excluded || apply_filters('autoptimize_filter_js_minify_excluded', false, $url))) {
+                            $consider_minified_array = apply_filters('autoptimize_filter_js_consider_minified', false);
+                            if ((false === $this->aggregate && str_replace($this->dontmove, '', $path) === $path) || (true === $this->aggregate && (false === $consider_minified_array || str_replace($consider_minified_array, '', $path) === $path))) {
+                                $minified_url = $this->minify_single($path);
                                 // replace orig URL with minified URL from cache if so.
-                                if ( ! empty( $minified_url ) ) {
-                                    $newTag = str_replace( $url, $minified_url, $newTag );
+                                if (!empty($minified_url)) {
+                                    $newTag = str_replace($url, $minified_url, $newTag);
                                 }
                             }
                         }
 
-                        if ( $this->ismovable($newTag) ) {
+                        if ($this->ismovable($newTag)) {
                             // can be moved, flags and all.
-                            if ( $this->movetolast($newTag) )  {
+                            if ($this->movetolast($newTag)) {
                                 $this->move['last'][] = $newTag;
                             } else {
                                 $this->move['first'][] = $newTag;
                             }
                         } else {
                             // cannot be moved, so if flag was added re-inject altered tag immediately.
-                            if ( $origTag !== $newTag ) {
-                                $this->content = str_replace( $origTag, $newTag, $this->content );
+                            if ($origTag !== $newTag) {
+                                $this->content = str_replace($origTag, $newTag, $this->content);
                                 $origTag = '';
                             }
                             // and forget about the $tag (not to be touched any more).
@@ -211,23 +211,23 @@ 
                     }
                 } else {
                     // Inline script.
-                    if ( $this->isremovable($tag, $this->jsremovables) ) {
-                        $this->content = str_replace( $tag, '', $this->content );
+                    if ($this->isremovable($tag, $this->jsremovables)) {
+                        $this->content = str_replace($tag, '', $this->content);
                         continue;
                     }
 
                     // unhide comments, as javascript may be wrapped in comment-tags for old times' sake.
                     $tag = $this->restore_comments($tag);
-                    if ( $this->ismergeable($tag) && $this->include_inline ) {
-                        preg_match( '#<script.*>(.*)</script>#Usmi', $tag , $code );
-                        $code = preg_replace('#.*<!\[CDATA\[(?:\s*\*/)?(.*)(?://|/\*)\s*?\]\]>.*#sm', '$1', $code[1] );
-                        $code = preg_replace('/(?:^\\s*<!--\\s*|\\s*(?:\\/\\/)?\\s*-->\\s*$)/', '', $code );
-                        $this->scripts[] = 'INLINE;' . $code;
+                    if ($this->ismergeable($tag) && $this->include_inline) {
+                        preg_match('#<script.*>(.*)</script>#Usmi', $tag, $code);
+                        $code = preg_replace('#.*<!\[CDATA\[(?:\s*\*/)?(.*)(?://|/\*)\s*?\]\]>.*#sm', '$1', $code[1]);
+                        $code = preg_replace('/(?:^\\s*<!--\\s*|\\s*(?:\\/\\/)?\\s*-->\\s*$)/', '', $code);
+                        $this->scripts[] = 'INLINE;'.$code;
                     } else {
                         // Can we move this?
-                        $autoptimize_js_moveable = apply_filters( 'autoptimize_js_moveable', '', $tag );
-                        if ( $this->ismovable($tag) || '' !== $autoptimize_js_moveable ) {
-                            if ( $this->movetolast($tag) || 'last' === $autoptimize_js_moveable ) {
+                        $autoptimize_js_moveable = apply_filters('autoptimize_js_moveable', '', $tag);
+                        if ($this->ismovable($tag) || '' !== $autoptimize_js_moveable) {
+                            if ($this->movetolast($tag) || 'last' === $autoptimize_js_moveable) {
                                 $this->move['last'][] = $tag;
                             } else {
                                 $this->move['first'][] = $tag;
@@ -242,7 +242,7 @@ 
                 }
 
                 //Remove the original script tag.
-                $this->content = str_replace( $tag, '', $this->content );
+                $this->content = str_replace($tag, '', $this->content);
             }
 
             return true;
@@ -272,21 +272,21 @@ 
         // We're only interested in the type attribute of the <script> tag itself, not any possible
         // inline code that might just contain the 'type=' string...
         $tag_parts = array();
-        preg_match( '#<(script[^>]*)>#i', $tag, $tag_parts);
+        preg_match('#<(script[^>]*)>#i', $tag, $tag_parts);
         $tag_without_contents = null;
-        if ( ! empty( $tag_parts[1] ) ) {
+        if (!empty($tag_parts[1])) {
             $tag_without_contents = $tag_parts[1];
         }
 
-        $has_type = ( strpos( $tag_without_contents, 'type' ) !== false );
+        $has_type = (strpos($tag_without_contents, 'type') !== false);
 
         $type_valid = false;
-        if ( $has_type ) {
-            $type_valid = (bool) preg_match( '/type\s*=\s*[\'"]?(?:text|application)\/(?:javascript|ecmascript)[\'"]?/i', $tag_without_contents );
+        if ($has_type) {
+            $type_valid = (bool) preg_match('/type\s*=\s*[\'"]?(?:text|application)\/(?:javascript|ecmascript)[\'"]?/i', $tag_without_contents);
         }
 
         $should_aggregate = false;
-        if ( ! $has_type || $type_valid ) {
+        if (!$has_type || $type_valid) {
             $should_aggregate = true;
         }
 
@@ -296,40 +296,40 @@ 
     //Joins and optimizes JS
     public function minify()
     {
-        foreach ( $this->scripts as $script ) {
+        foreach ($this->scripts as $script) {
             // TODO/FIXME: some duplicate code here, can be reduced/simplified
-            if ( preg_match( '#^INLINE;#', $script ) ) {
+            if (preg_match('#^INLINE;#', $script)) {
                 // Inline script
-                $script = preg_replace( '#^INLINE;#', '', $script );
-                $script = rtrim( $script, ";\n\t\r" ) . ';';
+                $script = preg_replace('#^INLINE;#', '', $script);
+                $script = rtrim($script, ";\n\t\r").';';
                 // Add try-catch?
-                if ( $this->trycatch ) {
-                    $script = 'try{' . $script . '}catch(e){}';
+                if ($this->trycatch) {
+                    $script = 'try{'.$script.'}catch(e){}';
                 }
-                $tmpscript = apply_filters( 'autoptimize_js_individual_script', $script, '' );
-                if ( has_filter( 'autoptimize_js_individual_script' ) && ! empty( $tmpscript ) ) {
+                $tmpscript = apply_filters('autoptimize_js_individual_script', $script, '');
+                if (has_filter('autoptimize_js_individual_script') && !empty($tmpscript)) {
                     $script = $tmpscript;
                     $this->alreadyminified = true;
                 }
-                $this->jscode .= "\n" . $script;
+                $this->jscode .= "\n".$script;
             } else {
                 // External script
-                if ( false !== $script && file_exists( $script ) && is_readable( $script ) ) {
-                    $scriptsrc = file_get_contents( $script );
-                    $scriptsrc = preg_replace( '/\x{EF}\x{BB}\x{BF}/', '', $scriptsrc );
-                    $scriptsrc = rtrim( $scriptsrc, ";\n\t\r" ) . ';';
+                if (false !== $script && file_exists($script) && is_readable($script)) {
+                    $scriptsrc = file_get_contents($script);
+                    $scriptsrc = preg_replace('/\x{EF}\x{BB}\x{BF}/', '', $scriptsrc);
+                    $scriptsrc = rtrim($scriptsrc, ";\n\t\r").';';
                     // Add try-catch?
-                    if ( $this->trycatch ) {
-                        $scriptsrc = 'try{' . $scriptsrc . '}catch(e){}';
+                    if ($this->trycatch) {
+                        $scriptsrc = 'try{'.$scriptsrc.'}catch(e){}';
                     }
-                    $tmpscriptsrc = apply_filters( 'autoptimize_js_individual_script', $scriptsrc, $script );
-                    if ( has_filter( 'autoptimize_js_individual_script' ) && ! empty( $tmpscriptsrc ) ) {
+                    $tmpscriptsrc = apply_filters('autoptimize_js_individual_script', $scriptsrc, $script);
+                    if (has_filter('autoptimize_js_individual_script') && !empty($tmpscriptsrc)) {
                         $scriptsrc = $tmpscriptsrc;
                         $this->alreadyminified = true;
-                    } else if ( $this->can_inject_late($script) ) {
+                    } else if ($this->can_inject_late($script)) {
                         $scriptsrc = self::build_injectlater_marker($script, md5($scriptsrc));
                     }
-                    $this->jscode .= "\n" . $scriptsrc;
+                    $this->jscode .= "\n".$scriptsrc;
                 }/*else{
                     //Couldn't read JS. Maybe getpath isn't working?
                 }*/
@@ -337,32 +337,32 @@ 
         }
 
         // Check for already-minified code
-        $this->md5hash = md5( $this->jscode );
+        $this->md5hash = md5($this->jscode);
         $ccheck = new autoptimizeCache($this->md5hash, 'js');
-        if ( $ccheck->check() ) {
+        if ($ccheck->check()) {
             $this->jscode = $ccheck->retrieve();
             return true;
         }
-        unset( $ccheck );
+        unset($ccheck);
 
         // $this->jscode has all the uncompressed code now.
-        if ( true !== $this->alreadyminified ) {
-            if ( apply_filters( 'autoptimize_js_do_minify', true ) ) {
-                $tmp_jscode = trim( JSMin::minify( $this->jscode ) );
-                if ( ! empty( $tmp_jscode ) ) {
+        if (true !== $this->alreadyminified) {
+            if (apply_filters('autoptimize_js_do_minify', true)) {
+                $tmp_jscode = trim(JSMin::minify($this->jscode));
+                if (!empty($tmp_jscode)) {
                     $this->jscode = $tmp_jscode;
-                    unset( $tmp_jscode );
+                    unset($tmp_jscode);
                 }
-                $this->jscode = $this->inject_minified( $this->jscode );
-                $this->jscode = apply_filters( 'autoptimize_js_after_minify', $this->jscode );
+                $this->jscode = $this->inject_minified($this->jscode);
+                $this->jscode = apply_filters('autoptimize_js_after_minify', $this->jscode);
                 return true;
             } else {
-                $this->jscode = $this->inject_minified( $this->jscode );
+                $this->jscode = $this->inject_minified($this->jscode);
                 return false;
             }
         }
 
-        $this->jscode = apply_filters( 'autoptimize_js_after_minify', $this->jscode );
+        $this->jscode = apply_filters('autoptimize_js_after_minify', $this->jscode);
         return true;
     }
 
@@ -370,11 +370,11 @@ 
     public function cache()
     {
         $cache = new autoptimizeCache($this->md5hash, 'js');
-        if ( ! $cache->check() ) {
+        if (!$cache->check()) {
             // Cache our code
             $cache->cache($this->jscode, 'text/javascript');
         }
-        $this->url = AUTOPTIMIZE_CACHE_URL . $cache->getname();
+        $this->url = AUTOPTIMIZE_CACHE_URL.$cache->getname();
         $this->url = $this->url_replace_cdn($this->url);
     }
 
@@ -382,43 +382,43 @@ 
     public function getcontent()
     {
         // Restore the full content
-        if ( ! empty( $this->restofcontent ) ) {
+        if (!empty($this->restofcontent)) {
             $this->content .= $this->restofcontent;
             $this->restofcontent = '';
         }
 
         // Add the scripts taking forcehead/ deferred (default) into account
-        if ( $this->forcehead ) {
-            $replaceTag = array( '</head>', 'before' );
+        if ($this->forcehead) {
+            $replaceTag = array('</head>', 'before');
             $defer = '';
         } else {
-            $replaceTag = array( '</body>', 'before' );
+            $replaceTag = array('</body>', 'before');
             $defer = 'defer ';
         }
 
-        $defer = apply_filters( 'autoptimize_filter_js_defer', $defer );
+        $defer = apply_filters('autoptimize_filter_js_defer', $defer);
 
-        $bodyreplacementpayload = '<script type="text/javascript" ' . $defer . 'src="' . $this->url . '"></script>';
-        $bodyreplacementpayload = apply_filters( 'autoptimize_filter_js_bodyreplacementpayload', $bodyreplacementpayload );
+        $bodyreplacementpayload = '<script type="text/javascript" '.$defer.'src="'.$this->url.'"></script>';
+        $bodyreplacementpayload = apply_filters('autoptimize_filter_js_bodyreplacementpayload', $bodyreplacementpayload);
 
-        $bodyreplacement = implode( '', $this->move['first'] );
+        $bodyreplacement = implode('', $this->move['first']);
         $bodyreplacement .= $bodyreplacementpayload;
-        $bodyreplacement .= implode( '', $this->move['last'] );
+        $bodyreplacement .= implode('', $this->move['last']);
 
-        $replaceTag = apply_filters( 'autoptimize_filter_js_replacetag', $replaceTag );
+        $replaceTag = apply_filters('autoptimize_filter_js_replacetag', $replaceTag);
 
-        if ( strlen( $this->jscode ) > 0 ) {
-            $this->inject_in_html( $bodyreplacement, $replaceTag );
+        if (strlen($this->jscode) > 0) {
+            $this->inject_in_html($bodyreplacement, $replaceTag);
         }
 
         // Restore comments.
-        $this->content = $this->restore_comments( $this->content );
+        $this->content = $this->restore_comments($this->content);
 
         // Restore IE hacks.
-        $this->content = $this->restore_iehacks( $this->content );
+        $this->content = $this->restore_iehacks($this->content);
 
         // Restore noptimize.
-        $this->content = $this->restore_noptimize( $this->content );
+        $this->content = $this->restore_noptimize($this->content);
 
         // Return the modified HTML.
         return $this->content;
@@ -427,32 +427,32 @@ 
     // Checks against the white- and blacklists
     private function ismergeable($tag)
     {
-        if ( ! $this->aggregate ) {
+        if (!$this->aggregate) {
             return false;
         }
 
-        if ( ! empty( $this->whitelist ) ) {
-            foreach ( $this->whitelist as $match ) {
-                if (false !== strpos( $tag, $match ) ) {
+        if (!empty($this->whitelist)) {
+            foreach ($this->whitelist as $match) {
+                if (false !== strpos($tag, $match)) {
                     return true;
                 }
             }
             // no match with whitelist
             return false;
         } else {
-            foreach($this->domove as $match) {
-                if ( false !== strpos( $tag, $match ) ) {
+            foreach ($this->domove as $match) {
+                if (false !== strpos($tag, $match)) {
                     // Matched something
                     return false;
                 }
             }
 
-            if ( $this->movetolast($tag) ) {
+            if ($this->movetolast($tag)) {
                 return false;
             }
 
-            foreach( $this->dontmove as $match ) {
-                if ( false !== strpos( $tag, $match ) ) {
+            foreach ($this->dontmove as $match) {
+                if (false !== strpos($tag, $match)) {
                     // Matched something
                     return false;
                 }
@@ -466,23 +466,23 @@ 
     // Checks agains the blacklist
     private function ismovable($tag)
     {
-        if ( true !== $this->include_inline || apply_filters( 'autoptimize_filter_js_unmovable', true ) ) {
+        if (true !== $this->include_inline || apply_filters('autoptimize_filter_js_unmovable', true)) {
             return false;
         }
 
-        foreach ( $this->domove as $match ) {
-            if ( false !== strpos( $tag, $match ) ) {
+        foreach ($this->domove as $match) {
+            if (false !== strpos($tag, $match)) {
                 // Matched something
                 return true;
             }
         }
 
-        if ( $this->movetolast($tag) ) {
+        if ($this->movetolast($tag)) {
             return true;
         }
 
-        foreach ( $this->dontmove as $match ) {
-            if ( false !== strpos( $tag, $match ) ) {
+        foreach ($this->dontmove as $match) {
+            if (false !== strpos($tag, $match)) {
                 // Matched something
                 return false;
             }
@@ -494,8 +494,8 @@ 
 
     private function movetolast($tag)
     {
-        foreach ( $this->domovelast as $match ) {
-            if ( false !== strpos( $tag, $match ) ) {
+        foreach ($this->domovelast as $match) {
+            if (false !== strpos($tag, $match)) {
                 // Matched, return true
                 return true;
             }
@@ -516,11 +516,11 @@ 
      * @return bool
      */
     private function can_inject_late($jsPath) {
-        $consider_minified_array = apply_filters( 'autoptimize_filter_js_consider_minified', false );
-        if ( true !== $this->inject_min_late ) {
+        $consider_minified_array = apply_filters('autoptimize_filter_js_consider_minified', false);
+        if (true !== $this->inject_min_late) {
             // late-inject turned off
             return false;
-        } else if ( ( false === strpos( $jsPath, 'min.js' ) ) && ( false === strpos( $jsPath, 'wp-includes/js/jquery/jquery.js' ) ) && ( str_replace( $consider_minified_array, '', $jsPath ) === $jsPath ) ) {
+        } else if ((false === strpos($jsPath, 'min.js')) && (false === strpos($jsPath, 'wp-includes/js/jquery/jquery.js')) && (str_replace($consider_minified_array, '', $jsPath) === $jsPath)) {
             // file not minified based on filename & filter
             return false;
         } else {
@@ -547,26 +547,26 @@ 
      *
      * @return bool|string Url pointing to the minified js file or false.
      */
-    public function minify_single( $filepath, $cache_miss = false )
+    public function minify_single($filepath, $cache_miss = false)
     {
-        $contents = $this->prepare_minify_single( $filepath );
+        $contents = $this->prepare_minify_single($filepath);
 
-        if ( empty( $contents ) ) {
+        if (empty($contents)) {
             return false;
         }
 
         // Check cache.
-        $hash  = 'single_' . md5( $contents );
-        $cache = new autoptimizeCache( $hash, 'js' );
+        $hash  = 'single_'.md5($contents);
+        $cache = new autoptimizeCache($hash, 'js');
 
         // If not in cache already, minify...
-        if ( ! $cache->check() || $cache_miss ) {
-            $contents = trim( JSMin::minify( $contents ) );
+        if (!$cache->check() || $cache_miss) {
+            $contents = trim(JSMin::minify($contents));
             // Store in cache.
-            $cache->cache( $contents, 'text/javascript' );
+            $cache->cache($contents, 'text/javascript');
         }
 
-        $url = $this->build_minify_single_url( $cache );
+        $url = $this->build_minify_single_url($cache);
 
         return $url;
     }

classes/autoptimizeImages.php

Spacing +291 added lines, -291 removed lines

@@ -3,7 +3,7 @@ 
  * Handles optimizing images.
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit;
 }
 
@@ -23,17 +23,17 @@ 
      */
     protected static $instance = null;
 
-    public function __construct( array $options = array() )
+    public function __construct(array $options = array())
     {
         // If options are not provided, fetch them.
-        if ( empty( $options ) ) {
+        if (empty($options)) {
             $options = $this->fetch_options();
         }
 
-        $this->set_options( $options );
+        $this->set_options($options);
     }
 
-    public function set_options( array $options )
+    public function set_options(array $options)
     {
         $this->options = $options;
 
@@ -42,17 +42,17 @@ 
 
     public static function fetch_options()
     {
-        $value = get_option( 'autoptimize_imgopt_settings' );
-        if ( empty( $value ) ) {
+        $value = get_option('autoptimize_imgopt_settings');
+        if (empty($value)) {
             // Fallback to returning defaults when no stored option exists yet.
             $value = autoptimizeConfig::get_ao_imgopt_default_options();
         }
 
         // get service availability and add it to the options-array.
-        $value['availabilities'] = get_option( 'autoptimize_service_availablity' );
+        $value['availabilities'] = get_option('autoptimize_service_availablity');
 
-        if ( empty( $value['availabilities'] ) ) {
-            $value['availabilities'] = autoptimizeUtils::check_service_availability( true );
+        if (empty($value['availabilities'])) {
+            $value['availabilities'] = autoptimizeUtils::check_service_availability(true);
         }
 
         return $value;
@@ -65,9 +65,9 @@ 
         // and does not use/ request the availablity data (which could slow things down).
         static $imgopt_active = null;
 
-        if ( null === $imgopt_active ) {
-            $opts = get_option( 'autoptimize_imgopt_settings', '' );
-            if ( ! empty( $opts ) && is_array( $opts ) && array_key_exists( 'autoptimize_imgopt_checkbox_field_1', $opts ) && ! empty( $opts['autoptimize_imgopt_checkbox_field_1'] ) && '1' === $opts['autoptimize_imgopt_checkbox_field_1'] ) {
+        if (null === $imgopt_active) {
+            $opts = get_option('autoptimize_imgopt_settings', '');
+            if (!empty($opts) && is_array($opts) && array_key_exists('autoptimize_imgopt_checkbox_field_1', $opts) && !empty($opts['autoptimize_imgopt_checkbox_field_1']) && '1' === $opts['autoptimize_imgopt_checkbox_field_1']) {
                 $imgopt_active = true;
             } else {
                 $imgopt_active = false;
@@ -87,7 +87,7 @@ 
      */
     public static function instance()
     {
-        if ( null === self::$instance ) {
+        if (null === self::$instance) {
             self::$instance = new self();
         }
 
@@ -96,26 +96,26 @@ 
 
     public function run()
     {
-        if ( is_admin() ) {
-            add_action( 'admin_menu', array( $this, 'imgopt_admin_menu' ) );
-            add_filter( 'autoptimize_filter_settingsscreen_tabs', array( $this, 'add_imgopt_tab' ), 9 );
+        if (is_admin()) {
+            add_action('admin_menu', array($this, 'imgopt_admin_menu'));
+            add_filter('autoptimize_filter_settingsscreen_tabs', array($this, 'add_imgopt_tab'), 9);
         } else {
             $this->run_on_frontend();
         }
     }
 
     public function run_on_frontend() {
-        if ( ! $this->should_run() ) {
-            if ( $this->should_lazyload() ) {
+        if (!$this->should_run()) {
+            if ($this->should_lazyload()) {
                 add_filter(
                     'autoptimize_html_after_minify',
-                    array( $this, 'filter_lazyload_images' ),
+                    array($this, 'filter_lazyload_images'),
                     10,
                     1
                 );
                 add_action(
                     'wp_footer',
-                    array( $this, 'add_lazyload_js_footer' ),
+                    array($this, 'add_lazyload_js_footer'),
                     10,
                     0
                 );
@@ -125,39 +125,39 @@ 
 
         $active = false;
 
-        if ( apply_filters( 'autoptimize_filter_imgopt_do', true ) ) {
+        if (apply_filters('autoptimize_filter_imgopt_do', true)) {
             add_filter(
                 'autoptimize_html_after_minify',
-                array( $this, 'filter_optimize_images' ),
+                array($this, 'filter_optimize_images'),
                 10,
                 1
             );
             $active = true;
         }
 
-        if ( apply_filters( 'autoptimize_filter_imgopt_do_css', true ) ) {
+        if (apply_filters('autoptimize_filter_imgopt_do_css', true)) {
             add_filter(
                 'autoptimize_filter_base_replace_cdn',
-                array( $this, 'filter_optimize_css_images' ),
+                array($this, 'filter_optimize_css_images'),
                 10,
                 1
             );
             $active = true;
         }
 
-        if ( $active ) {
+        if ($active) {
             add_filter(
                 'autoptimize_extra_filter_tobepreconn',
-                array( $this, 'filter_preconnect_imgopt_url' ),
+                array($this, 'filter_preconnect_imgopt_url'),
                 10,
                 1
             );
         }
 
-        if ( $this->should_lazyload() ) {
+        if ($this->should_lazyload()) {
             add_action(
                 'wp_footer',
-                array( $this, 'add_lazyload_js_footer' )
+                array($this, 'add_lazyload_js_footer')
             );
         }
     }
@@ -170,8 +170,8 @@ 
     protected function should_run()
     {
         $opts              = $this->options;
-        $service_not_down  = ( 'down' !== $opts['availabilities']['extra_imgopt']['status'] );
-        $not_launch_status = ( 'launch' !== $opts['availabilities']['extra_imgopt']['status'] );
+        $service_not_down  = ('down' !== $opts['availabilities']['extra_imgopt']['status']);
+        $not_launch_status = ('launch' !== $opts['availabilities']['extra_imgopt']['status']);
 
         $do_cdn      = true;
         $_userstatus = $this->get_imgopt_provider_userstatus();
@@ -183,7 +183,7 @@ 
             $this->imgopt_active()
             && $do_cdn
             && $service_not_down
-            && ( $not_launch_status || $this->launch_ok() )
+            && ($not_launch_status || $this->launch_ok())
         ) {
             return true;
         }
@@ -194,13 +194,13 @@ 
     {
         static $imgopt_host = null;
 
-        if ( null === $imgopt_host ) {
+        if (null === $imgopt_host) {
             $imgopt_host  = 'https://cdn.shortpixel.ai/';
             $avail_imgopt = $this->options['availabilities']['extra_imgopt'];
-            if ( ! empty( $avail_imgopt ) && array_key_exists( 'hosts', $avail_imgopt ) && is_array( $avail_imgopt['hosts'] ) ) {
-                $imgopt_host = array_rand( array_flip( $avail_imgopt['hosts'] ) );
+            if (!empty($avail_imgopt) && array_key_exists('hosts', $avail_imgopt) && is_array($avail_imgopt['hosts'])) {
+                $imgopt_host = array_rand(array_flip($avail_imgopt['hosts']));
             }
-            $imgopt_host = apply_filters( 'autoptimize_filter_imgopt_host', $imgopt_host );
+            $imgopt_host = apply_filters('autoptimize_filter_imgopt_host', $imgopt_host);
         }
 
         return $imgopt_host;
@@ -215,7 +215,7 @@ 
 
     public static function get_service_url_suffix()
     {
-        $suffix = '/af/GWRGFLW109483/' . AUTOPTIMIZE_SITE_DOMAIN;
+        $suffix = '/af/GWRGFLW109483/'.AUTOPTIMIZE_SITE_DOMAIN;
 
         return $suffix;
     }
@@ -224,12 +224,12 @@ 
     {
         static $quality = null;
 
-        if ( null === $quality ) {
+        if (null === $quality) {
             $q_array = $this->get_img_quality_array();
             $setting = $this->get_img_quality_setting();
             $quality = apply_filters(
                 'autoptimize_filter_imgopt_quality',
-                'q_' . $q_array[ $setting ]
+                'q_'.$q_array[$setting]
             );
         }
 
@@ -240,7 +240,7 @@ 
     {
         static $map = null;
 
-        if ( null === $map ) {
+        if (null === $map) {
             $map = array(
                 '1' => 'lossy',
                 '2' => 'glossy',
@@ -259,12 +259,12 @@ 
     {
         static $q = null;
 
-        if ( null === $q ) {
-            if ( is_array( $this->options ) && array_key_exists( 'autoptimize_imgopt_select_field_2', $this->options ) ) {
+        if (null === $q) {
+            if (is_array($this->options) && array_key_exists('autoptimize_imgopt_select_field_2', $this->options)) {
                 $setting = $this->options['autoptimize_imgopt_select_field_2'];
             }
 
-            if ( ! isset( $setting ) || empty( $setting ) || ( '1' !== $setting && '3' !== $setting ) ) {
+            if (!isset($setting) || empty($setting) || ('1' !== $setting && '3' !== $setting)) {
                 // default image opt. value is 2 ("glossy").
                 $q = '2';
             } else {
@@ -275,10 +275,10 @@ 
         return $q;
     }
 
-    public function filter_preconnect_imgopt_url( array $in )
+    public function filter_preconnect_imgopt_url(array $in)
     {
-        $url_parts = parse_url( $this->get_imgopt_base_url() );
-        $in[]      = $url_parts['scheme'] . '://' . $url_parts['host'];
+        $url_parts = parse_url($this->get_imgopt_base_url());
+        $in[]      = $url_parts['scheme'].'://'.$url_parts['host'];
 
         return $in;
     }
@@ -291,20 +291,20 @@ 
      *
      * @return string
      */
-    private function normalize_img_url( $in )
+    private function normalize_img_url($in)
     {
         // Only parse the site url once.
         static $parsed_site_url = null;
-        if ( null === $parsed_site_url ) {
-            $parsed_site_url = parse_url( site_url() );
+        if (null === $parsed_site_url) {
+            $parsed_site_url = parse_url(site_url());
         }
 
         // get CDN domain once.
         static $cdn_domain = null;
-        if ( is_null( $cdn_domain ) ) {
-            $cdn_url = apply_filters( 'autoptimize_filter_base_cdnurl', get_option( 'autoptimize_cdn_url', '' ) );
-            if ( ! empty( $cdn_url ) ) {
-                $cdn_domain = parse_url( $cdn_url, PHP_URL_HOST );
+        if (is_null($cdn_domain)) {
+            $cdn_url = apply_filters('autoptimize_filter_base_cdnurl', get_option('autoptimize_cdn_url', ''));
+            if (!empty($cdn_url)) {
+                $cdn_domain = parse_url($cdn_url, PHP_URL_HOST);
             } else {
                 $cdn_domain = '';
             }
@@ -320,43 +320,43 @@ 
          * identical string operations).
          */
         static $cache = null;
-        if ( null === $cache ) {
+        if (null === $cache) {
             $cache = array();
         }
 
         // Do the work on cache miss only.
-        if ( ! isset( $cache[ $in ] ) ) {
+        if (!isset($cache[$in])) {
             // Default to what was given to us.
             $result = $in;
-            if ( autoptimizeUtils::is_protocol_relative( $in ) ) {
-                $result = $parsed_site_url['scheme'] . ':' . $in;
-            } elseif ( 0 === strpos( $in, '/' ) ) {
+            if (autoptimizeUtils::is_protocol_relative($in)) {
+                $result = $parsed_site_url['scheme'].':'.$in;
+            } elseif (0 === strpos($in, '/')) {
                 // Root-relative...
-                $result = $parsed_site_url['scheme'] . '://' . $parsed_site_url['host'];
+                $result = $parsed_site_url['scheme'].'://'.$parsed_site_url['host'];
                 // Add the path for subfolder installs.
-                if ( isset( $parsed_site_url['path'] ) ) {
+                if (isset($parsed_site_url['path'])) {
                     $result .= $parsed_site_url['path'];
                 }
                 $result .= $in;
-            } elseif ( ! empty( $cdn_domain ) && strpos( $in, $cdn_domain ) !== 0 ) {
-                $result = str_replace( $cdn_domain, $parsed_site_url['host'], $in );
+            } elseif (!empty($cdn_domain) && strpos($in, $cdn_domain) !== 0) {
+                $result = str_replace($cdn_domain, $parsed_site_url['host'], $in);
             }
 
-            $result = apply_filters( 'autoptimize_filter_imgopt_normalized_url', $result );
+            $result = apply_filters('autoptimize_filter_imgopt_normalized_url', $result);
 
             // Store in cache.
-            $cache[ $in ] = $result;
+            $cache[$in] = $result;
         }
 
-        return $cache[ $in ];
+        return $cache[$in];
     }
 
-    public function filter_optimize_css_images( $in )
+    public function filter_optimize_css_images($in)
     {
-        $in = $this->normalize_img_url( $in );
+        $in = $this->normalize_img_url($in);
 
-        if ( $this->can_optimize_image( $in ) ) {
-            return $this->build_imgopt_url( $in, '', '' );
+        if ($this->can_optimize_image($in)) {
+            return $this->build_imgopt_url($in, '', '');
         } else {
             return $in;
         }
@@ -366,50 +366,50 @@ 
     {
         static $imgopt_base_url = null;
 
-        if ( null === $imgopt_base_url ) {
+        if (null === $imgopt_base_url) {
             $imgopt_host     = $this->get_imgopt_host();
             $quality         = $this->get_img_quality_string();
-            $ret_val         = apply_filters( 'autoptimize_filter_imgopt_wait', 'ret_img' ); // values: ret_wait, ret_img, ret_json, ret_blank.
-            $imgopt_base_url = $imgopt_host . 'client/' . $quality . ',' . $ret_val;
-            $imgopt_base_url = apply_filters( 'autoptimize_filter_imgopt_base_url', $imgopt_base_url );
+            $ret_val         = apply_filters('autoptimize_filter_imgopt_wait', 'ret_img'); // values: ret_wait, ret_img, ret_json, ret_blank.
+            $imgopt_base_url = $imgopt_host.'client/'.$quality.','.$ret_val;
+            $imgopt_base_url = apply_filters('autoptimize_filter_imgopt_base_url', $imgopt_base_url);
         }
 
         return $imgopt_base_url;
     }
 
-    private function can_optimize_image( $url )
+    private function can_optimize_image($url)
     {
         static $cdn_url      = null;
         static $nopti_images = null;
 
-        if ( null === $cdn_url ) {
+        if (null === $cdn_url) {
             $cdn_url = apply_filters(
                 'autoptimize_filter_base_cdnurl',
-                get_option( 'autoptimize_cdn_url', '' )
+                get_option('autoptimize_cdn_url', '')
             );
         }
 
-        if ( null === $nopti_images ) {
-            $nopti_images = apply_filters( 'autoptimize_filter_imgopt_noptimize', '' );
+        if (null === $nopti_images) {
+            $nopti_images = apply_filters('autoptimize_filter_imgopt_noptimize', '');
         }
 
         $site_host  = AUTOPTIMIZE_SITE_DOMAIN;
-        $url        = $this->normalize_img_url( $url );
-        $url_parsed = parse_url( $url );
+        $url        = $this->normalize_img_url($url);
+        $url_parsed = parse_url($url);
 
-        if ( array_key_exists( 'host', $url_parsed ) && $url_parsed['host'] !== $site_host && empty( $cdn_url ) ) {
+        if (array_key_exists('host', $url_parsed) && $url_parsed['host'] !== $site_host && empty($cdn_url)) {
             return false;
-        } elseif ( ! empty( $cdn_url ) && strpos( $url, $cdn_url ) === false && array_key_exists( 'host', $url_parsed ) && $url_parsed['host'] !== $site_host ) {
+        } elseif (!empty($cdn_url) && strpos($url, $cdn_url) === false && array_key_exists('host', $url_parsed) && $url_parsed['host'] !== $site_host) {
             return false;
-        } elseif ( strpos( $url, '.php' ) !== false ) {
+        } elseif (strpos($url, '.php') !== false) {
             return false;
-        } elseif ( str_ireplace( array( '.png', '.gif', '.jpg', '.jpeg', '.webp' ), '', $url_parsed['path'] ) === $url_parsed['path'] ) {
+        } elseif (str_ireplace(array('.png', '.gif', '.jpg', '.jpeg', '.webp'), '', $url_parsed['path']) === $url_parsed['path']) {
             // fixme: better check against end of string.
             return false;
-        } elseif ( ! empty( $nopti_images ) ) {
-            $nopti_images_array = array_filter( array_map( 'trim', explode( ',', $nopti_images ) ) );
-            foreach ( $nopti_images_array as $nopti_image ) {
-                if ( strpos( $url, $nopti_image ) !== false ) {
+        } elseif (!empty($nopti_images)) {
+            $nopti_images_array = array_filter(array_map('trim', explode(',', $nopti_images)));
+            foreach ($nopti_images_array as $nopti_image) {
+                if (strpos($url, $nopti_image) !== false) {
                     return false;
                 }
             }
@@ -417,13 +417,13 @@ 
         return true;
     }
 
-    private function build_imgopt_url( $orig_url, $width = 0, $height = 0 )
+    private function build_imgopt_url($orig_url, $width = 0, $height = 0)
     {
         // sanitize width and height.
-        if ( strpos( $width, '%' ) !== false ) {
+        if (strpos($width, '%') !== false) {
             $width = 0;
         }
-        if ( strpos( $height, '%' ) !== false ) {
+        if (strpos($height, '%') !== false) {
             $height = 0;
         }
         $width  = (int) $width;
@@ -437,42 +437,42 @@ 
         );
 
         // If filter modified the url, return that.
-        if ( $filtered_url !== $orig_url ) {
+        if ($filtered_url !== $orig_url) {
             return $filtered_url;
         }
 
-        $orig_url        = $this->normalize_img_url( $orig_url );
+        $orig_url        = $this->normalize_img_url($orig_url);
         $imgopt_base_url = $this->get_imgopt_base_url();
         $imgopt_size     = '';
 
-        if ( $width && 0 !== $width ) {
-            $imgopt_size = ',w_' . $width;
+        if ($width && 0 !== $width) {
+            $imgopt_size = ',w_'.$width;
         }
 
-        if ( $height && 0 !== $height ) {
-            $imgopt_size .= ',h_' . $height;
+        if ($height && 0 !== $height) {
+            $imgopt_size .= ',h_'.$height;
         }
 
-        $url = $imgopt_base_url . $imgopt_size . '/' . $orig_url;
+        $url = $imgopt_base_url.$imgopt_size.'/'.$orig_url;
 
         return $url;
     }
 
-    public function replace_data_thumbs( $matches )
+    public function replace_data_thumbs($matches)
     {
-        return $this->replace_img_callback( $matches, 150, 150 );
+        return $this->replace_img_callback($matches, 150, 150);
     }
 
-    public function replace_img_callback( $matches, $width = 0, $height = 0 )
+    public function replace_img_callback($matches, $width = 0, $height = 0)
     {
-        if ( $this->can_optimize_image( $matches[1] ) ) {
-            return str_replace( $matches[1], $this->build_imgopt_url( $matches[1], $width, $height ), $matches[0] );
+        if ($this->can_optimize_image($matches[1])) {
+            return str_replace($matches[1], $this->build_imgopt_url($matches[1], $width, $height), $matches[0]);
         } else {
             return $matches[0];
         }
     }
 
-    public function filter_optimize_images( $in )
+    public function filter_optimize_images($in)
     {
         /*
          * potential future functional improvements:
@@ -483,7 +483,7 @@ 
         $to_replace = array();
 
         // hide noscript tags to avoid nesting noscript tags (as lazyloaded images add noscript).
-        if ( $this->should_lazyload() ) {
+        if ($this->should_lazyload()) {
             $in = autoptimizeBase::replace_contents_with_marker_if_exists(
                 'NOSCRIPT',
                 '<noscript',
@@ -493,25 +493,25 @@ 
         }
 
         // extract img tags.
-        if ( preg_match_all( '#<img[^>]*src[^>]*>#Usmi', $in, $matches ) ) {
-            foreach ( $matches[0] as $tag ) {
+        if (preg_match_all('#<img[^>]*src[^>]*>#Usmi', $in, $matches)) {
+            foreach ($matches[0] as $tag) {
                 $orig_tag = $tag;
                 $imgopt_w = '';
                 $imgopt_h = '';
 
                 // first do (data-)srcsets.
-                if ( preg_match_all( '#srcset=("|\')(.*)("|\')#Usmi', $tag, $allsrcsets, PREG_SET_ORDER ) ) {
-                    foreach ( $allsrcsets as $srcset ) {
+                if (preg_match_all('#srcset=("|\')(.*)("|\')#Usmi', $tag, $allsrcsets, PREG_SET_ORDER)) {
+                    foreach ($allsrcsets as $srcset) {
                         $srcset  = $srcset[2];
-                        $srcsets = explode( ',', $srcset );
-                        foreach ( $srcsets as $indiv_srcset ) {
-                            $indiv_srcset_parts = explode( ' ', trim( $indiv_srcset ) );
-                            if ( isset( $indiv_srcset_parts[1] ) && rtrim( $indiv_srcset_parts[1], 'w' ) !== $indiv_srcset_parts[1] ) {
-                                $imgopt_w = rtrim( $indiv_srcset_parts[1], 'w' );
+                        $srcsets = explode(',', $srcset);
+                        foreach ($srcsets as $indiv_srcset) {
+                            $indiv_srcset_parts = explode(' ', trim($indiv_srcset));
+                            if (isset($indiv_srcset_parts[1]) && rtrim($indiv_srcset_parts[1], 'w') !== $indiv_srcset_parts[1]) {
+                                $imgopt_w = rtrim($indiv_srcset_parts[1], 'w');
                             }
-                            if ( $this->can_optimize_image( $indiv_srcset_parts[0] ) ) {
-                                $imgopt_url = $this->build_imgopt_url( $indiv_srcset_parts[0], $imgopt_w, '' );
-                                $tag        = str_replace( $indiv_srcset_parts[0], $imgopt_url, $tag );
+                            if ($this->can_optimize_image($indiv_srcset_parts[0])) {
+                                $imgopt_url = $this->build_imgopt_url($indiv_srcset_parts[0], $imgopt_w, '');
+                                $tag        = str_replace($indiv_srcset_parts[0], $imgopt_url, $tag);
                             }
                         }
                     }
@@ -519,95 +519,95 @@ 
 
                 // proceed with img src.
                 // get width and height and add to $imgopt_size.
-                $_get_size = $this->get_size_from_tag( $tag );
+                $_get_size = $this->get_size_from_tag($tag);
                 $imgopt_w  = $_get_size['width'];
                 $imgopt_h  = $_get_size['height'];
 
                 // then start replacing images src.
-                if ( preg_match_all( '#src=(?:"|\')(?!data)(.*)(?:"|\')#Usmi', $tag, $urls, PREG_SET_ORDER ) ) {
-                    foreach ( $urls as $url ) {
+                if (preg_match_all('#src=(?:"|\')(?!data)(.*)(?:"|\')#Usmi', $tag, $urls, PREG_SET_ORDER)) {
+                    foreach ($urls as $url) {
                         $full_src_orig = $url[0];
                         $url           = $url[1];
-                        if ( $this->can_optimize_image( $url ) ) {
-                            $imgopt_url      = $this->build_imgopt_url( $url, $imgopt_w, $imgopt_h );
-                            $full_imgopt_src = str_replace( $url, $imgopt_url, $full_src_orig );
-                            $tag             = str_replace( $full_src_orig, $full_imgopt_src, $tag );
+                        if ($this->can_optimize_image($url)) {
+                            $imgopt_url      = $this->build_imgopt_url($url, $imgopt_w, $imgopt_h);
+                            $full_imgopt_src = str_replace($url, $imgopt_url, $full_src_orig);
+                            $tag             = str_replace($full_src_orig, $full_imgopt_src, $tag);
                         }
                     }
                 }
 
                 // do lazyload stuff.
-                if ( $this->should_lazyload() && str_ireplace( $this->get_lazyload_exclusions(), '', $tag ) === $tag ) {
-                    $noscript_tag = '<noscript>' . $tag . '</noscript>';
-                    $tag          = str_replace( 'srcset=', 'data-srcset=', $tag );
+                if ($this->should_lazyload() && str_ireplace($this->get_lazyload_exclusions(), '', $tag) === $tag) {
+                    $noscript_tag = '<noscript>'.$tag.'</noscript>';
+                    $tag          = str_replace('srcset=', 'data-srcset=', $tag);
 
                     // add lazyload class.
-                    $tag = $this->inject_classes_in_tag( $tag, 'lazyload ' );
+                    $tag = $this->inject_classes_in_tag($tag, 'lazyload ');
 
                     // set placeholder.
-                    if ( strpos( $url, $this->get_imgopt_host() ) === 0 ) {
+                    if (strpos($url, $this->get_imgopt_host()) === 0) {
                         // if all img src have been replaced during srcset, we have to extract the
                         // origin url from the imgopt one to be able to set a lqip placeholder.
-                        $_url = substr( $url, strpos( $url, '/http' ) + 1 );
+                        $_url = substr($url, strpos($url, '/http') + 1);
                     } else {
                         $_url = $url;
                     }
-                    if ( $this->can_optimize_image( $_url ) && apply_filters( 'autoptimize_filter_imgopt_lazyload_dolqip', true ) ) {
+                    if ($this->can_optimize_image($_url) && apply_filters('autoptimize_filter_imgopt_lazyload_dolqip', true)) {
                         $lqip_w = '';
                         $lqip_h = '';
-                        if ( isset( $imgopt_w ) ) {
-                            $lqip_w = ',w_' . $imgopt_w;
+                        if (isset($imgopt_w)) {
+                            $lqip_w = ',w_'.$imgopt_w;
                         }
-                        if ( isset( $imgopt_h ) ) {
-                            $lqip_h = ',h_' . $imgopt_h;
+                        if (isset($imgopt_h)) {
+                            $lqip_h = ',h_'.$imgopt_h;
                         }
-                        $placeholder = $this->get_imgopt_host() . 'client/q_lqip,ret_wait' . $lqip_w . $lqip_h . '/' . $_url;
+                        $placeholder = $this->get_imgopt_host().'client/q_lqip,ret_wait'.$lqip_w.$lqip_h.'/'.$_url;
                     } else {
-                        $placeholder = $this->get_default_lazyload_placeholder( $imgopt_w, $imgopt_h );
+                        $placeholder = $this->get_default_lazyload_placeholder($imgopt_w, $imgopt_h);
                     }
-                    $placeholder = ' src=\'' . apply_filters( 'autoptimize_filter_imgopt_lazyload_placeholder', $placeholder );
+                    $placeholder = ' src=\''.apply_filters('autoptimize_filter_imgopt_lazyload_placeholder', $placeholder);
 
                     // add min-heigth off by default as it can deform images, can be enabled with filter.
                     $min_height = '';
-                    if ( apply_filters( 'autoptimize_filter_imgopt_lazyload_addminheight', false ) ) {
-                        $min_height = ' style="min-height:' . $imgopt_h . 'px;"';
+                    if (apply_filters('autoptimize_filter_imgopt_lazyload_addminheight', false)) {
+                        $min_height = ' style="min-height:'.$imgopt_h.'px;"';
                     }
 
                     // add noscript & placeholder.
-                    $tag = $noscript_tag . str_replace( ' src=', $min_height . $placeholder . '\' data-src=', $tag );
-                    $tag = apply_filters( 'autoptimize_filter_imgopt_lazyloaded_img', $tag );
+                    $tag = $noscript_tag.str_replace(' src=', $min_height.$placeholder.'\' data-src=', $tag);
+                    $tag = apply_filters('autoptimize_filter_imgopt_lazyloaded_img', $tag);
                 }
 
                 // add tag to array for later replacement.
-                if ( $tag !== $orig_tag ) {
-                    $to_replace[ $orig_tag ] = $tag;
+                if ($tag !== $orig_tag) {
+                    $to_replace[$orig_tag] = $tag;
                 }
             }
         }
 
         // and replace all.
-        $out = str_replace( array_keys( $to_replace ), array_values( $to_replace ), $in );
+        $out = str_replace(array_keys($to_replace), array_values($to_replace), $in);
 
         // img thumbnails in e.g. woocommerce.
-        if ( strpos( $out, 'data-thumb' ) !== false && apply_filters( 'autoptimize_filter_imgopt_datathumbs', true ) ) {
+        if (strpos($out, 'data-thumb') !== false && apply_filters('autoptimize_filter_imgopt_datathumbs', true)) {
             $out = preg_replace_callback(
                 '/\<div(?:[^>]?)\sdata-thumb\=(?:\"|\')(.+?)(?:\"|\')(?:[^>]*)?\>/s',
-                array( $this, 'replace_data_thumbs' ),
+                array($this, 'replace_data_thumbs'),
                 $out
             );
         }
 
         // background-image in inline style.
-        if ( strpos( $out, 'background-image:' ) !== false && apply_filters( 'autoptimize_filter_imgopt_backgroundimages', true ) ) {
+        if (strpos($out, 'background-image:') !== false && apply_filters('autoptimize_filter_imgopt_backgroundimages', true)) {
             $out = preg_replace_callback(
                 '/style=(?:"|\').*?background-image:\s?url\((?:"|\')?([^"\')]*)(?:"|\')?\)/',
-                array( $this, 'replace_img_callback' ),
+                array($this, 'replace_img_callback'),
                 $out
             );
         }
 
         // and restore noscript tags if these were hidden for lazyload purposes.
-        if ( $this->should_lazyload() ) {
+        if ($this->should_lazyload()) {
             $out = autoptimizeBase::restore_marked_content(
                 'NOSCRIPT',
                 $out
@@ -617,34 +617,34 @@ 
         return $out;
     }
 
-    public function get_size_from_tag( $tag ) {
+    public function get_size_from_tag($tag) {
         // reusable function to extract widht and height from an image tag
         // enforcing a filterable maximum width and height (default 4999X4999).
         $width  = '';
         $height = '';
 
-        if ( preg_match( '#width=("|\')(.*)("|\')#Usmi', $tag, $_width ) ) {
-            if ( strpos( $_width[2], '%' ) === false ) {
+        if (preg_match('#width=("|\')(.*)("|\')#Usmi', $tag, $_width)) {
+            if (strpos($_width[2], '%') === false) {
                 $width = (int) $_width[2];
             }
         }
-        if ( preg_match( '#height=("|\')(.*)("|\')#Usmi', $tag, $_height ) ) {
-            if ( strpos( $_height[2], '%' ) === false ) {
+        if (preg_match('#height=("|\')(.*)("|\')#Usmi', $tag, $_height)) {
+            if (strpos($_height[2], '%') === false) {
                 $height = (int) $_height[2];
             }
         }
 
         // check for and enforce (filterable) max sizes.
-        $_max_width = apply_filters( 'autoptimize_filter_imgopt_max_width', 4999 );
-        if ( $width > $_max_width ) {
+        $_max_width = apply_filters('autoptimize_filter_imgopt_max_width', 4999);
+        if ($width > $_max_width) {
             $_width = $_max_width;
-            $height = $_width / $width * $height;
+            $height = $_width/$width*$height;
             $width  = $_width;
         }
-        $_max_height = apply_filters( 'autoptimize_filter_imgopt_max_height', 4999 );
-        if ( $height > $_max_height ) {
+        $_max_height = apply_filters('autoptimize_filter_imgopt_max_height', 4999);
+        if ($height > $_max_height) {
             $_height = $_max_height;
-            $width   = $_height / $height * $width;
+            $width   = $_height/$height*$width;
             $height  = $_height;
         }
 
@@ -658,12 +658,12 @@ 
      * Lazyload functions
      */
     public function should_lazyload() {
-        if ( ! empty( $this->options['autoptimize_imgopt_checkbox_field_3'] ) ) {
+        if (!empty($this->options['autoptimize_imgopt_checkbox_field_3'])) {
             $lazyload_return = true;
         } else {
             $lazyload_return = false;
         }
-        $lazyload_return = apply_filters( 'autoptimize_filter_imgopt_should_lazyload', $lazyload_return );
+        $lazyload_return = apply_filters('autoptimize_filter_imgopt_should_lazyload', $lazyload_return);
 
         return $lazyload_return;
     }
@@ -674,7 +674,7 @@ 
         return $self->should_lazyload();
     }
 
-    public function filter_lazyload_images( $in )
+    public function filter_lazyload_images($in)
     {
         // only used is image optimization is NOT active but lazyload is.
         $to_replace = array();
@@ -688,11 +688,11 @@ 
         );
 
         // extract img tags and add lazyload attribs.
-        if ( preg_match_all( '#<img[^>]*src[^>]*>#Usmi', $out, $matches ) ) {
-            foreach ( $matches[0] as $tag ) {
-                $to_replace[ $tag ] = $this->add_lazyload( $tag );
+        if (preg_match_all('#<img[^>]*src[^>]*>#Usmi', $out, $matches)) {
+            foreach ($matches[0] as $tag) {
+                $to_replace[$tag] = $this->add_lazyload($tag);
             }
-            $out = str_replace( array_keys( $to_replace ), array_values( $to_replace ), $out );
+            $out = str_replace(array_keys($to_replace), array_values($to_replace), $out);
         }
 
         // restore noscript tags.
@@ -704,35 +704,35 @@ 
         return $out;
     }
 
-    public function add_lazyload( $tag ) {
+    public function add_lazyload($tag) {
         // adds actual lazyload-attributes to an image node.
-        if ( str_ireplace( $this->get_lazyload_exclusions(), '', $tag ) === $tag ) {
+        if (str_ireplace($this->get_lazyload_exclusions(), '', $tag) === $tag) {
             // store original tag for use in noscript version.
-            $noscript_tag = '<noscript>' . $tag . '</noscript>';
+            $noscript_tag = '<noscript>'.$tag.'</noscript>';
 
             // insert lazyload class.
-            $tag = $this->inject_classes_in_tag( $tag, 'lazyload ' );
+            $tag = $this->inject_classes_in_tag($tag, 'lazyload ');
 
             // get image width & heigth for placeholder fun (and to prevent content reflow).
-            $_get_size = $this->get_size_from_tag( $tag );
+            $_get_size = $this->get_size_from_tag($tag);
             $width     = $_get_size['width'];
             $height    = $_get_size['height'];
-            if ( false === $width ) {
+            if (false === $width) {
                 $widht = 210; // default width for SVG placeholder.
             }
-            if ( false === $height ) {
-                $heigth = $width / 3 * 2; // if no height, base it on width using the 3/2 aspect ratio.
+            if (false === $height) {
+                $heigth = $width/3*2; // if no height, base it on width using the 3/2 aspect ratio.
             }
 
             // insert the actual lazyload stuff.
             // see https://css-tricks.com/preventing-content-reflow-from-lazy-loaded-images/ for great read on why we're using empty svg's.
-            $placeholder = apply_filters( 'autoptimize_filter_imgopt_lazyload_placeholder', $this->get_default_lazyload_placeholder( $width, $height ) );
-            $tag         = str_replace( ' src=', ' src=\'' . $placeholder . '\' data-src=', $tag );
-            $tag         = str_replace( ' srcset=', ' data-srcset=', $tag );
+            $placeholder = apply_filters('autoptimize_filter_imgopt_lazyload_placeholder', $this->get_default_lazyload_placeholder($width, $height));
+            $tag         = str_replace(' src=', ' src=\''.$placeholder.'\' data-src=', $tag);
+            $tag         = str_replace(' srcset=', ' data-srcset=', $tag);
 
             // add the noscript-tag from earlier.
-            $tag = $noscript_tag . $tag;
-            $tag = apply_filters( 'autoptimize_filter_imgopt_lazyloaded_img', $tag );
+            $tag = $noscript_tag.$tag;
+            $tag = apply_filters('autoptimize_filter_imgopt_lazyloaded_img', $tag);
         }
 
         return $tag;
@@ -741,20 +741,20 @@ 
     public function add_lazyload_js_footer() {
         // The JS will by default be excluded form autoptimization but this can be changed with a filter.
         $noptimize_flag = '';
-        if ( apply_filters( 'autoptimize_filter_imgopt_lazyload_js_noptimize', true ) ) {
+        if (apply_filters('autoptimize_filter_imgopt_lazyload_js_noptimize', true)) {
             $noptimize_flag = ' data-noptimize="1"';
         }
 
         // Adds lazyload CSS & JS to footer, using echo because wp_enqueue_script seems not to support pushing attributes (async).
-        echo apply_filters( 'autoptimize_filter_imgopt_lazyload_cssoutput', '<style>.lazyload,.lazyloading{opacity:0;}.lazyloaded{opacity:1;transition:opacity 300ms;}</style><noscript><style>.lazyload{display:none;}</style></noscript>' );
-        echo apply_filters( 'autoptimize_filter_imgopt_lazyload_jsconfig', '<script' . $noptimize_flag . '>window.lazySizesConfig=window.lazySizesConfig||{};window.lazySizesConfig.loadMode=1;</script>' );
-        echo '<script async' . $noptimize_flag . ' src=\'' . plugins_url( 'external/js/lazysizes.min.js', __FILE__ ) . '\'></script>';
+        echo apply_filters('autoptimize_filter_imgopt_lazyload_cssoutput', '<style>.lazyload,.lazyloading{opacity:0;}.lazyloaded{opacity:1;transition:opacity 300ms;}</style><noscript><style>.lazyload{display:none;}</style></noscript>');
+        echo apply_filters('autoptimize_filter_imgopt_lazyload_jsconfig', '<script'.$noptimize_flag.'>window.lazySizesConfig=window.lazySizesConfig||{};window.lazySizesConfig.loadMode=1;</script>');
+        echo '<script async'.$noptimize_flag.' src=\''.plugins_url('external/js/lazysizes.min.js', __FILE__).'\'></script>';
 
         // And add webp detection and loading JS.
-        if ( $this->should_webp() ) {
+        if ($this->should_webp()) {
             $_webp_detect = "function c_webp(A){var n=new Image;n.onload=function(){var e=0<n.width&&0<n.height;A(e)},n.onerror=function(){A(!1)},n.src='data:image/webp;base64,UklGRhoAAABXRUJQVlA4TA0AAAAvAAAAEAcQERGIiP4HAA=='}function s_webp(e){window.supportsWebP=e}c_webp(s_webp);";
             $_webp_load   = "document.addEventListener('lazybeforeunveil',function({target:c}){supportsWebP&&['data-src','data-srcset'].forEach(function(a){attr=c.getAttribute(a),null!==attr&&c.setAttribute(a,attr.replace(/\/client\//,'/client/to_webp,'))})});";
-            echo apply_filters( 'autoptimize_filter_imgopt_webp_js', '<script' . $noptimize_flag . '>' . $_webp_detect . $_webp_load . '</script>' );
+            echo apply_filters('autoptimize_filter_imgopt_webp_js', '<script'.$noptimize_flag.'>'.$_webp_detect.$_webp_load.'</script>');
         }
     }
 
@@ -762,47 +762,47 @@ 
         // returns array of strings that if found in an <img tag will stop the img from being lazy-loaded.
         static $exclude_lazyload_array = null;
 
-        if ( null === $exclude_lazyload_array ) {
+        if (null === $exclude_lazyload_array) {
             $options = $this->options;
 
             // set default exclusions.
-            $exclude_lazyload_array = array( 'skip-lazy', 'data-no-lazy', 'notlazy', 'data-src', 'data-srcset', 'data:image/' );
+            $exclude_lazyload_array = array('skip-lazy', 'data-no-lazy', 'notlazy', 'data-src', 'data-srcset', 'data:image/');
 
             // add from setting.
-            if ( array_key_exists( 'autoptimize_imgopt_text_field_5', $options ) ) {
+            if (array_key_exists('autoptimize_imgopt_text_field_5', $options)) {
                 $exclude_lazyload_option = $options['autoptimize_imgopt_text_field_5'];
-                if ( ! empty( $exclude_lazyload_option ) ) {
-                    $exclude_lazyload_array = array_merge( $exclude_lazyload_array, array_filter( array_map( 'trim', explode( ',', $options['autoptimize_imgopt_text_field_5'] ) ) ) );
+                if (!empty($exclude_lazyload_option)) {
+                    $exclude_lazyload_array = array_merge($exclude_lazyload_array, array_filter(array_map('trim', explode(',', $options['autoptimize_imgopt_text_field_5']))));
                 }
             }
 
             // and filter for developer-initiated changes.
-            $exclude_lazyload_array = apply_filters( 'autoptimize_filter_imgopt_lazyload_exclude_array', $exclude_lazyload_array );
+            $exclude_lazyload_array = apply_filters('autoptimize_filter_imgopt_lazyload_exclude_array', $exclude_lazyload_array);
         }
 
         return $exclude_lazyload_array;
     }
 
-    public function inject_classes_in_tag( $tag, $target_class ) {
-        if ( strpos( $tag, 'class=' ) !== false ) {
-            $tag = preg_replace( '/(\sclass\s?=\s?("|\'))/', '$1' . $target_class, $tag );
+    public function inject_classes_in_tag($tag, $target_class) {
+        if (strpos($tag, 'class=') !== false) {
+            $tag = preg_replace('/(\sclass\s?=\s?("|\'))/', '$1'.$target_class, $tag);
         } else {
-            $tag = str_replace( '<img ', '<img class="' . trim( $target_class ) . '" ', $tag );
+            $tag = str_replace('<img ', '<img class="'.trim($target_class).'" ', $tag);
         }
 
         return $tag;
     }
 
-    public function get_default_lazyload_placeholder( $imgopt_w, $imgopt_h ) {
-        return 'data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20' . $imgopt_w . '%20' . $imgopt_h . '%22%3E%3C/svg%3E';
+    public function get_default_lazyload_placeholder($imgopt_w, $imgopt_h) {
+        return 'data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20'.$imgopt_w.'%20'.$imgopt_h.'%22%3E%3C/svg%3E';
     }
 
     public function should_webp() {
         static $webp_return = null;
 
-        if ( is_null( $webp_return ) ) {
+        if (is_null($webp_return)) {
             // webp only works if imgopt and lazyload are also active.
-            if ( ! empty( $this->options['autoptimize_imgopt_checkbox_field_4'] ) && ! empty( $this->options['autoptimize_imgopt_checkbox_field_3'] ) && $this->imgopt_active() ) {
+            if (!empty($this->options['autoptimize_imgopt_checkbox_field_4']) && !empty($this->options['autoptimize_imgopt_checkbox_field_3']) && $this->imgopt_active()) {
                 $webp_return = true;
             } else {
                 $webp_return = false;
@@ -823,14 +823,14 @@ 
             'autoptimize_imgopt',
             'manage_options',
             'autoptimize_imgopt',
-            array( $this, 'imgopt_options_page' )
+            array($this, 'imgopt_options_page')
         );
-        register_setting( 'autoptimize_imgopt_settings', 'autoptimize_imgopt_settings' );
+        register_setting('autoptimize_imgopt_settings', 'autoptimize_imgopt_settings');
     }
 
-    public function add_imgopt_tab( $in )
+    public function add_imgopt_tab($in)
     {
-        $in = array_merge( $in, array( 'autoptimize_imgopt' => __( 'Images', 'autoptimize' ) ) );
+        $in = array_merge($in, array('autoptimize_imgopt' => __('Images', 'autoptimize')));
 
         return $in;
     }
@@ -838,7 +838,7 @@ 
     public function imgopt_options_page()
     {
         // Check querystring for "refreshCacheChecker" and call cachechecker if so.
-        if ( array_key_exists( 'refreshImgProvStats', $_GET ) && 1 == $_GET['refreshImgProvStats'] ) {
+        if (array_key_exists('refreshImgProvStats', $_GET) && 1 == $_GET['refreshImgProvStats']) {
             $this->query_img_provider_stats();
         }
 
@@ -851,45 +851,45 @@ 
         #autoptimize_imgopt_descr{font-size: 120%;}
     </style>
     <div class="wrap">
-    <h1><?php _e( 'Autoptimize Settings', 'autoptimize' ); ?></h1>
+    <h1><?php _e('Autoptimize Settings', 'autoptimize'); ?></h1>
         <?php echo autoptimizeConfig::ao_admin_tabs(); ?>
-        <?php if ( 'down' === $options['availabilities']['extra_imgopt']['status'] ) { ?>
+        <?php if ('down' === $options['availabilities']['extra_imgopt']['status']) { ?>
             <div class="notice-warning notice"><p>
             <?php
             // translators: "Autoptimize support forum" will appear in a "a href".
-            echo sprintf( __( 'The image optimization service is currently down, image optimization will be skipped until further notice. Check the %1$sAutoptimize support forum%2$s for more info.', 'autoptimize' ), '<a href="https://wordpress.org/support/plugin/autoptimize/" target="_blank">', '</a>' );
+            echo sprintf(__('The image optimization service is currently down, image optimization will be skipped until further notice. Check the %1$sAutoptimize support forum%2$s for more info.', 'autoptimize'), '<a href="https://wordpress.org/support/plugin/autoptimize/" target="_blank">', '</a>');
             ?>
             </p></div>
         <?php } ?>
 
-        <?php if ( 'launch' === $options['availabilities']['extra_imgopt']['status'] && ! autoptimizeImages::instance()->launch_ok() ) { ?>
+        <?php if ('launch' === $options['availabilities']['extra_imgopt']['status'] && !autoptimizeImages::instance()->launch_ok()) { ?>
             <div class="notice-warning notice"><p>
-            <?php _e( 'The image optimization service is launching, but not yet available for this domain, it should become available in the next couple of days.', 'autoptimize' ); ?>
+            <?php _e('The image optimization service is launching, but not yet available for this domain, it should become available in the next couple of days.', 'autoptimize'); ?>
             </p></div>
         <?php } ?>
 
-        <?php if ( class_exists( 'Jetpack' ) && method_exists( 'Jetpack', 'get_active_modules' ) && in_array( 'photon', Jetpack::get_active_modules() ) ) { ?>
+        <?php if (class_exists('Jetpack') && method_exists('Jetpack', 'get_active_modules') && in_array('photon', Jetpack::get_active_modules())) { ?>
             <div class="notice-warning notice"><p>
             <?php
             // translators: "disable  Jetpack's site accelerator for images" will appear in a "a href" linking to the jetpack settings page.
-            echo sprintf( __( 'Please %1$sdisable Jetpack\'s site accelerator for images%2$s to be able to use Autoptomize\'s advanced image optimization features below.', 'autoptimize' ), '<a href="admin.php?page=jetpack#/settings">', '</a>' );
+            echo sprintf(__('Please %1$sdisable Jetpack\'s site accelerator for images%2$s to be able to use Autoptomize\'s advanced image optimization features below.', 'autoptimize'), '<a href="admin.php?page=jetpack#/settings">', '</a>');
             ?>
             </p></div>
         <?php } ?>
     <form id='ao_settings_form' action='options.php' method='post'>
-        <?php settings_fields( 'autoptimize_imgopt_settings' ); ?>
-        <h2><?php _e( 'Image optimization', 'autoptimize' ); ?></h2>
-        <span id='autoptimize_imgopt_descr'><?php _e( 'Make your site significantly faster by just ticking a couple of checkboxes to optimize and lazy load your images, WebP support included!', 'autoptimize' ); ?></span>
+        <?php settings_fields('autoptimize_imgopt_settings'); ?>
+        <h2><?php _e('Image optimization', 'autoptimize'); ?></h2>
+        <span id='autoptimize_imgopt_descr'><?php _e('Make your site significantly faster by just ticking a couple of checkboxes to optimize and lazy load your images, WebP support included!', 'autoptimize'); ?></span>
         <table class="form-table">
             <tr>
-                <th scope="row"><?php _e( 'Optimize Images', 'autoptimize' ); ?></th>
+                <th scope="row"><?php _e('Optimize Images', 'autoptimize'); ?></th>
                 <td>
-                    <label><input id='autoptimize_imgopt_checkbox' type='checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_1]' <?php if ( ! empty( $options['autoptimize_imgopt_checkbox_field_1'] ) && '1' === $options['autoptimize_imgopt_checkbox_field_1'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Optimize images on the fly and serve them from Shortpixel\'s global CDN.', 'autoptimize' ); ?></label>
+                    <label><input id='autoptimize_imgopt_checkbox' type='checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_1]' <?php if (!empty($options['autoptimize_imgopt_checkbox_field_1']) && '1' === $options['autoptimize_imgopt_checkbox_field_1']) { echo 'checked="checked"'; } ?> value='1'><?php _e('Optimize images on the fly and serve them from Shortpixel\'s global CDN.', 'autoptimize'); ?></label>
                     <?php
                     // show shortpixel status.
                     $_notice = autoptimizeImages::instance()->get_status_notice();
-                    if ( $_notice ) {
-                        switch ( $_notice['status'] ) {
+                    if ($_notice) {
+                        switch ($_notice['status']) {
                             case 2:
                                 $_notice_color = 'green';
                                 break;
@@ -905,28 +905,28 @@ 
                             default:
                                 $_notice_color = 'green';
                         }
-                        echo apply_filters( 'autoptimize_filter_imgopt_settings_status', '<p><strong><span style="color:' . $_notice_color . ';">' . __( 'Shortpixel status: ', 'autoptimize' ) . '</span></strong>' . $_notice['notice'] . '</p>' );
+                        echo apply_filters('autoptimize_filter_imgopt_settings_status', '<p><strong><span style="color:'.$_notice_color.';">'.__('Shortpixel status: ', 'autoptimize').'</span></strong>'.$_notice['notice'].'</p>');
                     } else {
                         // translators: link points to shortpixel.
-                        $upsell_msg_1 = '<p>' . sprintf( __( 'Get more Google love and improve your website\'s loading speed by having the images optimized on the fly (also in the "next-gen" WebP image format) by %1$sShortPixel%2$s and then cached and served fast from Shortpixel\'s global CDN.', 'autoptimize' ), '<a href="https://shortpixel.com/aospai' . $sp_url_suffix . '" target="_blank">', '</a>' );
-                        if ( 'launch' === $options['availabilities']['extra_imgopt']['status'] ) {
-                            $upsell_msg_2 = __( 'For a limited time only, this service is offered free for all Autoptimize users, <b>don\'t miss the chance to test it</b> and see how much it could improve your site\'s speed.', 'autoptimize' );
+                        $upsell_msg_1 = '<p>'.sprintf(__('Get more Google love and improve your website\'s loading speed by having the images optimized on the fly (also in the "next-gen" WebP image format) by %1$sShortPixel%2$s and then cached and served fast from Shortpixel\'s global CDN.', 'autoptimize'), '<a href="https://shortpixel.com/aospai'.$sp_url_suffix.'" target="_blank">', '</a>');
+                        if ('launch' === $options['availabilities']['extra_imgopt']['status']) {
+                            $upsell_msg_2 = __('For a limited time only, this service is offered free for all Autoptimize users, <b>don\'t miss the chance to test it</b> and see how much it could improve your site\'s speed.', 'autoptimize');
                         } else {
                             // translators: link points to shortpixel.
-                            $upsell_msg_2 = sprintf( __( '%1$sSign-up now%2$s to receive a 1 000 bonus + 50&#37; more image optimization credits regardless of the traffic used. More image optimizations can be purchased starting with $4.99.', 'autoptimize' ), '<a href="https://shortpixel.com/aospai' . $sp_url_suffix . '" target="_blank">', '</a>' );
+                            $upsell_msg_2 = sprintf(__('%1$sSign-up now%2$s to receive a 1 000 bonus + 50&#37; more image optimization credits regardless of the traffic used. More image optimizations can be purchased starting with $4.99.', 'autoptimize'), '<a href="https://shortpixel.com/aospai'.$sp_url_suffix.'" target="_blank">', '</a>');
                         }
-                        echo apply_filters( 'autoptimize_imgopt_imgopt_settings_copy', $upsell_msg_1 . ' ' . $upsell_msg_2 . '</p>' );
+                        echo apply_filters('autoptimize_imgopt_imgopt_settings_copy', $upsell_msg_1.' '.$upsell_msg_2.'</p>');
                     }
                     // translators: link points to shortpixel FAQ.
-                    $faqcopy = sprintf( __( '<strong>Questions</strong>? Have a look at the %1$sShortPixel FAQ%2$s!', 'autoptimize' ), '<strong><a href="https://shortpixel.helpscoutdocs.com/category/60-shortpixel-ai-cdn" target="_blank">', '</strong></a>' );
+                    $faqcopy = sprintf(__('<strong>Questions</strong>? Have a look at the %1$sShortPixel FAQ%2$s!', 'autoptimize'), '<strong><a href="https://shortpixel.helpscoutdocs.com/category/60-shortpixel-ai-cdn" target="_blank">', '</strong></a>');
                     // translators: links points to shortpixel TOS & Privacy Policy.
-                    $toscopy = sprintf( __( 'Usage of this feature is subject to Shortpixel\'s %1$sTerms of Use%2$s and %3$sPrivacy policy%4$s.', 'autoptimize' ), '<a href="https://shortpixel.com/tos' . $sp_url_suffix . '" target="_blank">', '</a>', '<a href="https://shortpixel.com/pp' . $sp_url_suffix . '" target="_blank">', '</a>' );
-                    echo apply_filters( 'autoptimize_imgopt_imgopt_settings_tos', '<p>' . $faqcopy . ' ' . $toscopy . '</p>' );
+                    $toscopy = sprintf(__('Usage of this feature is subject to Shortpixel\'s %1$sTerms of Use%2$s and %3$sPrivacy policy%4$s.', 'autoptimize'), '<a href="https://shortpixel.com/tos'.$sp_url_suffix.'" target="_blank">', '</a>', '<a href="https://shortpixel.com/pp'.$sp_url_suffix.'" target="_blank">', '</a>');
+                    echo apply_filters('autoptimize_imgopt_imgopt_settings_tos', '<p>'.$faqcopy.' '.$toscopy.'</p>');
                     ?>
                 </td>
             </tr>
-            <tr id='autoptimize_imgopt_quality' <?php if ( ! array_key_exists( 'autoptimize_imgopt_checkbox_field_1', $options ) || ( isset( $options['autoptimize_imgopt_checkbox_field_1'] ) && '1' !== $options['autoptimize_imgopt_checkbox_field_1'] ) ) { echo 'class="hidden"'; } ?>>
-                <th scope="row"><?php _e( 'Image Optimization quality', 'autoptimize' ); ?></th>
+            <tr id='autoptimize_imgopt_quality' <?php if (!array_key_exists('autoptimize_imgopt_checkbox_field_1', $options) || (isset($options['autoptimize_imgopt_checkbox_field_1']) && '1' !== $options['autoptimize_imgopt_checkbox_field_1'])) { echo 'class="hidden"'; } ?>>
+                <th scope="row"><?php _e('Image Optimization quality', 'autoptimize'); ?></th>
                 <td>
                     <label>
                     <select name='autoptimize_imgopt_settings[autoptimize_imgopt_select_field_2]'>
@@ -934,12 +934,12 @@ 
                         $_imgopt_array = autoptimizeImages::instance()->get_img_quality_array();
                         $_imgopt_val   = autoptimizeImages::instance()->get_img_quality_setting();
 
-                        foreach ( $_imgopt_array as $key => $value ) {
-                            echo '<option value="' . $key . '"';
-                            if ( $_imgopt_val == $key ) {
+                        foreach ($_imgopt_array as $key => $value) {
+                            echo '<option value="'.$key.'"';
+                            if ($_imgopt_val == $key) {
                                 echo ' selected';
                             }
-                            echo '>' . ucfirst( $value ) . '</option>';
+                            echo '>'.ucfirst($value).'</option>';
                         }
                         echo "\n";
                         ?>
@@ -948,31 +948,31 @@ 
                     <p>
                         <?php
                             // translators: link points to shortpixel image test page.
-                            echo apply_filters( 'autoptimize_imgopt_imgopt_quality_copy', sprintf( __( 'You can %1$stest compression levels here%2$s.', 'autoptimize' ), '<a href="https://shortpixel.com/oic' . $sp_url_suffix . '" target="_blank">', '</a>' ) );
+                            echo apply_filters('autoptimize_imgopt_imgopt_quality_copy', sprintf(__('You can %1$stest compression levels here%2$s.', 'autoptimize'), '<a href="https://shortpixel.com/oic'.$sp_url_suffix.'" target="_blank">', '</a>'));
                         ?>
                     </p>
                 </td>
             </tr>
-            <tr id='autoptimize_imgopt_webp' <?php if ( ! array_key_exists( 'autoptimize_imgopt_checkbox_field_1', $options ) || ( isset( $options['autoptimize_imgopt_checkbox_field_1'] ) && '1' !== $options['autoptimize_imgopt_checkbox_field_1'] ) ) { echo 'class="hidden"'; } ?>>
-                <th scope="row"><?php _e( 'Load WebP in supported browsers?', 'autoptimize' ); ?></th>
+            <tr id='autoptimize_imgopt_webp' <?php if (!array_key_exists('autoptimize_imgopt_checkbox_field_1', $options) || (isset($options['autoptimize_imgopt_checkbox_field_1']) && '1' !== $options['autoptimize_imgopt_checkbox_field_1'])) { echo 'class="hidden"'; } ?>>
+                <th scope="row"><?php _e('Load WebP in supported browsers?', 'autoptimize'); ?></th>
                 <td>
-                    <label><input type='checkbox' id='autoptimize_imgopt_webp_checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_4]' <?php if ( ! empty( $options['autoptimize_imgopt_checkbox_field_4'] ) && '1' === $options['autoptimize_imgopt_checkbox_field_3'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Automatically serve "next-gen" WebP image format to any browser that supports it (requires lazy load to be active).', 'autoptimize' ); ?></label>
+                    <label><input type='checkbox' id='autoptimize_imgopt_webp_checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_4]' <?php if (!empty($options['autoptimize_imgopt_checkbox_field_4']) && '1' === $options['autoptimize_imgopt_checkbox_field_3']) { echo 'checked="checked"'; } ?> value='1'><?php _e('Automatically serve "next-gen" WebP image format to any browser that supports it (requires lazy load to be active).', 'autoptimize'); ?></label>
                 </td>
             </tr>
             <tr>
-                <th scope="row"><?php _e( 'Lazy-load images?', 'autoptimize' ); ?></th>
+                <th scope="row"><?php _e('Lazy-load images?', 'autoptimize'); ?></th>
                 <td>
-                    <label><input type='checkbox' id='autoptimize_imgopt_lazyload_checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_3]' <?php if ( ! empty( $options['autoptimize_imgopt_checkbox_field_3'] ) && '1' === $options['autoptimize_imgopt_checkbox_field_3'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Image lazy-loading will delay the loading of non-visible images to allow the browser to optimally load all resources for the "above the fold"-page first.', 'autoptimize' ); ?></label>
+                    <label><input type='checkbox' id='autoptimize_imgopt_lazyload_checkbox' name='autoptimize_imgopt_settings[autoptimize_imgopt_checkbox_field_3]' <?php if (!empty($options['autoptimize_imgopt_checkbox_field_3']) && '1' === $options['autoptimize_imgopt_checkbox_field_3']) { echo 'checked="checked"'; } ?> value='1'><?php _e('Image lazy-loading will delay the loading of non-visible images to allow the browser to optimally load all resources for the "above the fold"-page first.', 'autoptimize'); ?></label>
                 </td>
             </tr>
-            <tr id='autoptimize_imgopt_lazyload_exclusions' <?php if ( ! array_key_exists( 'autoptimize_imgopt_checkbox_field_3', $options ) || ( isset( $options['autoptimize_imgopt_checkbox_field_3'] ) && '1' !== $options['autoptimize_imgopt_checkbox_field_3'] ) ) { echo 'class="hidden"'; } ?>>
-                <th scope="row"><?php _e( 'Lazy-load exclusions', 'autoptimize' ); ?></th>
+            <tr id='autoptimize_imgopt_lazyload_exclusions' <?php if (!array_key_exists('autoptimize_imgopt_checkbox_field_3', $options) || (isset($options['autoptimize_imgopt_checkbox_field_3']) && '1' !== $options['autoptimize_imgopt_checkbox_field_3'])) { echo 'class="hidden"'; } ?>>
+                <th scope="row"><?php _e('Lazy-load exclusions', 'autoptimize'); ?></th>
                 <td>
-                    <label><input type='text' style='width:80%' id='autoptimize_imgopt_lazyload_exclusions' name='autoptimize_imgopt_settings[autoptimize_imgopt_text_field_5]' value='<?php if ( ! empty( $options['autoptimize_imgopt_text_field_5'] ) ) { echo esc_attr( $options['autoptimize_imgopt_text_field_5'] ); } ?>'><br /><?php _e( 'Comma-separated list of to be excluded image classes or filenames.', 'autoptimize' ); ?></label>
+                    <label><input type='text' style='width:80%' id='autoptimize_imgopt_lazyload_exclusions' name='autoptimize_imgopt_settings[autoptimize_imgopt_text_field_5]' value='<?php if (!empty($options['autoptimize_imgopt_text_field_5'])) { echo esc_attr($options['autoptimize_imgopt_text_field_5']); } ?>'><br /><?php _e('Comma-separated list of to be excluded image classes or filenames.', 'autoptimize'); ?></label>
                 </td>
             </tr>
         </table>
-        <p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e( 'Save Changes', 'autoptimize' ); ?>" /></p>
+        <p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e('Save Changes', 'autoptimize'); ?>" /></p>
     </form>
     <script>
         jQuery(document).ready(function() {
@@ -1008,37 +1008,37 @@ 
      * Ïmg opt status as used on dashboard.
      */
     public function get_imgopt_status_notice() {
-        if ( $this->imgopt_active() ) {
+        if ($this->imgopt_active()) {
             $_imgopt_notice = '';
-            $_stat          = get_option( 'autoptimize_imgopt_provider_stat', '' );
+            $_stat          = get_option('autoptimize_imgopt_provider_stat', '');
             $_site_host     = AUTOPTIMIZE_SITE_DOMAIN;
-            $_imgopt_upsell = 'https://shortpixel.com/aospai/af/GWRGFLW109483/' . $_site_host;
+            $_imgopt_upsell = 'https://shortpixel.com/aospai/af/GWRGFLW109483/'.$_site_host;
 
-            if ( is_array( $_stat ) ) {
-                if ( 1 == $_stat['Status'] ) {
+            if (is_array($_stat)) {
+                if (1 == $_stat['Status']) {
                     // translators: "add more credits" will appear in a "a href".
-                    $_imgopt_notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
+                    $_imgopt_notice = sprintf(__('Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website.', 'autoptimize'), '<a href="'.$_imgopt_upsell.'" target="_blank">', '</a>');
                 } elseif ( -1 == $_stat['Status'] || -2 == $_stat['Status'] ) {
                     // translators: "add more credits" will appear in a "a href".
-                    $_imgopt_notice            = sprintf( __( 'Your ShortPixel image optimization and CDN quota was used, %1$sadd more credits%2$s to keep fast serving optimized images on your site', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
-                    $_imgopt_stats_refresh_url = add_query_arg( array(
+                    $_imgopt_notice            = sprintf(__('Your ShortPixel image optimization and CDN quota was used, %1$sadd more credits%2$s to keep fast serving optimized images on your site', 'autoptimize'), '<a href="'.$_imgopt_upsell.'" target="_blank">', '</a>');
+                    $_imgopt_stats_refresh_url = add_query_arg(array(
                         'page'                => 'autoptimize_imgopt',
                         'refreshImgProvStats' => '1',
-                    ), admin_url( 'options-general.php' ) );
-                    if ( $_stat && array_key_exists( 'timestamp', $_stat ) && ! empty( $_stat['timestamp'] ) ) {
-                        $_imgopt_stats_last_run = __( 'based on status at ', 'autoptimize' ) . date_i18n( get_option( 'time_format' ), $_stat['timestamp'] );
+                    ), admin_url('options-general.php'));
+                    if ($_stat && array_key_exists('timestamp', $_stat) && !empty($_stat['timestamp'])) {
+                        $_imgopt_stats_last_run = __('based on status at ', 'autoptimize').date_i18n(get_option('time_format'), $_stat['timestamp']);
                     } else {
-                        $_imgopt_stats_last_run = __( 'based on previously fetched data', 'autoptimize' );
+                        $_imgopt_stats_last_run = __('based on previously fetched data', 'autoptimize');
                     }
-                    $_imgopt_notice .= ' (' . $_imgopt_stats_last_run . ', ';
+                    $_imgopt_notice .= ' ('.$_imgopt_stats_last_run.', ';
                     // translators: "here to refresh" links to the Autoptimize Extra page and forces a refresh of the img opt stats.
-                    $_imgopt_notice .= sprintf( __( 'click %1$shere to refresh%2$s', 'autoptimize' ), '<a href="' . $_imgopt_stats_refresh_url . '">', '</a>).' );
+                    $_imgopt_notice .= sprintf(__('click %1$shere to refresh%2$s', 'autoptimize'), '<a href="'.$_imgopt_stats_refresh_url.'">', '</a>).');
                 } else {
                     $_imgopt_upsell = 'https://shortpixel.com/g/af/GWRGFLW109483';
                     // translators: "log in to check your account" will appear in a "a href".
-                    $_imgopt_notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize' ), '<a href="' . $_imgopt_upsell . '" target="_blank">', '</a>' );
+                    $_imgopt_notice = sprintf(__('Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize'), '<a href="'.$_imgopt_upsell.'" target="_blank">', '</a>');
                 }
-                $_imgopt_notice = apply_filters( 'autoptimize_filter_imgopt_notice', $_imgopt_notice );
+                $_imgopt_notice = apply_filters('autoptimize_filter_imgopt_notice', $_imgopt_notice);
 
                 return array(
                     'status' => $_stat['Status'],
@@ -1059,14 +1059,14 @@ 
      * Get img provider stats (used to display notice).
      */
     public function query_img_provider_stats() {
-        if ( ! empty( $this->options['autoptimize_imgopt_checkbox_field_1'] ) ) {
+        if (!empty($this->options['autoptimize_imgopt_checkbox_field_1'])) {
             $url      = '';
-            $endpoint = $this->get_imgopt_host() . 'read-domain/';
+            $endpoint = $this->get_imgopt_host().'read-domain/';
             $domain   = AUTOPTIMIZE_SITE_DOMAIN;
 
             // make sure parse_url result makes sense, keeping $url empty if not.
-            if ( $domain && ! empty( $domain ) ) {
-                $url = $endpoint . $domain;
+            if ($domain && !empty($domain)) {
+                $url = $endpoint.$domain;
             }
 
             $url = apply_filters(
@@ -1076,12 +1076,12 @@ 
 
             // only do the remote call if $url is not empty to make sure no parse_url
             // weirdness results in useless calls.
-            if ( ! empty( $url ) ) {
-                $response = wp_remote_get( $url );
-                if ( ! is_wp_error( $response ) ) {
-                    if ( '200' == wp_remote_retrieve_response_code( $response ) ) {
-                        $stats = json_decode( wp_remote_retrieve_body( $response ), true );
-                        update_option( 'autoptimize_imgopt_provider_stat', $stats );
+            if (!empty($url)) {
+                $response = wp_remote_get($url);
+                if (!is_wp_error($response)) {
+                    if ('200' == wp_remote_retrieve_response_code($response)) {
+                        $stats = json_decode(wp_remote_retrieve_body($response), true);
+                        update_option('autoptimize_imgopt_provider_stat', $stats);
                     }
                 }
             }
@@ -1104,15 +1104,15 @@ 
     {
         static $launch_status = null;
 
-        if ( null === $launch_status ) {
+        if (null === $launch_status) {
             $avail_imgopt  = $this->options['availabilities']['extra_imgopt'];
-            $magic_number  = intval( substr( md5( parse_url( AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST ) ), 0, 3 ), 16 );
-            $has_launched  = get_option( 'autoptimize_imgopt_launched', '' );
+            $magic_number  = intval(substr(md5(parse_url(AUTOPTIMIZE_WP_SITE_URL, PHP_URL_HOST)), 0, 3), 16);
+            $has_launched  = get_option('autoptimize_imgopt_launched', '');
             $launch_status = false;
-            if ( $has_launched || ( is_array( $avail_imgopt ) && array_key_exists( 'launch-threshold', $avail_imgopt ) && $magic_number < $avail_imgopt['launch-threshold'] ) ) {
+            if ($has_launched || (is_array($avail_imgopt) && array_key_exists('launch-threshold', $avail_imgopt) && $magic_number < $avail_imgopt['launch-threshold'])) {
                 $launch_status = true;
-                if ( ! $has_launched ) {
-                    update_option( 'autoptimize_imgopt_launched', 'on' );
+                if (!$has_launched) {
+                    update_option('autoptimize_imgopt_launched', 'on');
                 }
             }
         }
@@ -1129,16 +1129,16 @@ 
     public function get_imgopt_provider_userstatus() {
         static $_provider_userstatus = null;
 
-        if ( is_null( $_provider_userstatus ) ) {
-            $_stat = get_option( 'autoptimize_imgopt_provider_stat', '' );
-            if ( is_array( $_stat ) ) {
-                if ( array_key_exists( 'Status', $_stat ) ) {
+        if (is_null($_provider_userstatus)) {
+            $_stat = get_option('autoptimize_imgopt_provider_stat', '');
+            if (is_array($_stat)) {
+                if (array_key_exists('Status', $_stat)) {
                     $_provider_userstatus['Status'] = $_stat['Status'];
                 } else {
                     // if no stats then we assume all is well.
                     $_provider_userstatus['Status'] = 2;
                 }
-                if ( array_key_exists( 'timestamp', $_stat ) ) {
+                if (array_key_exists('timestamp', $_stat)) {
                     $_provider_userstatus['timestamp'] = $_stat['timestamp'];
                 } else {
                     // if no timestamp then we return "".
@@ -1151,27 +1151,27 @@ 
     }
 
     public function get_status_notice() {
-        if ( $this->imgopt_active() ) {
+        if ($this->imgopt_active()) {
             $notice = '';
             $stat   = $this->get_imgopt_provider_userstatus();
-            $upsell = 'https://shortpixel.com/aospai/af/GWRGFLW109483/' . AUTOPTIMIZE_SITE_DOMAIN;
+            $upsell = 'https://shortpixel.com/aospai/af/GWRGFLW109483/'.AUTOPTIMIZE_SITE_DOMAIN;
             $assoc  = 'https://shortpixel.helpscoutdocs.com/article/94-how-to-associate-a-domain-to-my-account';
 
-            if ( is_array( $stat ) ) {
-                if ( 1 == $stat['Status'] ) {
+            if (is_array($stat)) {
+                if (1 == $stat['Status']) {
                     // translators: "add more credits" will appear in a "a href".
-                    $notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website.', 'autoptimize' ), '<a rel="noopener noreferrer" href="' . $upsell . '" target="_blank">', '</a>' );
+                    $notice = sprintf(__('Your ShortPixel image optimization and CDN quota is almost used, make sure you %1$sadd more credits%2$s to avoid slowing down your website.', 'autoptimize'), '<a rel="noopener noreferrer" href="'.$upsell.'" target="_blank">', '</a>');
                 } elseif ( -1 == $stat['Status'] || -2 == $stat['Status'] ) {
                     // translators: "add more credits" will appear in a "a href".
-                    $notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota was used, %1$sadd more credits%2$s to keep fast serving optimized images on your site.', 'autoptimize' ), '<a rel="noopener noreferrer" href="' . $upsell . '" target="_blank">', '</a>' );
+                    $notice = sprintf(__('Your ShortPixel image optimization and CDN quota was used, %1$sadd more credits%2$s to keep fast serving optimized images on your site.', 'autoptimize'), '<a rel="noopener noreferrer" href="'.$upsell.'" target="_blank">', '</a>');
                     // translators: "associate your domain" will appear in a "a href".
-                    $notice = $notice . ' ' . sprintf( __( 'If you already have enough credits then you may need to %1$sassociate your domain%2$s to your Shortpixel account.', 'autoptimize' ), '<a rel="noopener noreferrer" href="' . $assoc . '" target="_blank">', '</a>' );
+                    $notice = $notice.' '.sprintf(__('If you already have enough credits then you may need to %1$sassociate your domain%2$s to your Shortpixel account.', 'autoptimize'), '<a rel="noopener noreferrer" href="'.$assoc.'" target="_blank">', '</a>');
                 } else {
                     $upsell = 'https://shortpixel.com/g/af/GWRGFLW109483';
                     // translators: "log in to check your account" will appear in a "a href".
-                    $notice = sprintf( __( 'Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize' ), '<a rel="noopener noreferrer" href="' . $upsell . '" target="_blank">', '</a>' );
+                    $notice = sprintf(__('Your ShortPixel image optimization and CDN quota are in good shape, %1$slog in to check your account%2$s.', 'autoptimize'), '<a rel="noopener noreferrer" href="'.$upsell.'" target="_blank">', '</a>');
                 }
-                $notice = apply_filters( 'autoptimize_filter_imgopt_notice', $notice );
+                $notice = apply_filters('autoptimize_filter_imgopt_notice', $notice);
 
                 return array(
                     'status' => $stat['Status'],