autoptimizeStyles::can_inject_late() - Code Metrics - Inspection of "fix regex (re. https://github.com/futtta/autoptimi..." - futtta/autoptimize - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( 6ca290...afc802 )

by frank
created 2017-03-08 19:59 UTC
autoptimizeStyles::can_inject_late() B

↳ Parent: autoptimizeStyles
Complexity

Conditions	10
Paths	5
Size

Total Lines	18
Code Lines	11
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	10
eloc	11
nc	5
nop	2
dl	0
loc	18
rs	7.2765
c	0
b	0
f	0
How to fix Complexity

<?php
if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

class autoptimizeStyles extends autoptimizeBase {

    const ASSETS_REGEX = '/url\s*\(\s*(?!["\']?data:)(?![\'|\"]?[\#|\%|])([^)]+)\s*\)([^;},]*)/i';

    private $css = array();
    private $csscode = array();
    private $url = array();
    private $restofcontent = '';
    private $datauris = false;
    private $hashmap = array();
    private $alreadyminified = false;
    private $inline = false;
    private $defer = false;
    private $defer_inline = false;
    private $whitelist = '';
    private $cssinlinesize = '';
    private $cssremovables = array();
    private $include_inline = false;
    private $inject_min_late = '';

    //Reads the page and collects style tags
    public function read($options) {
        $noptimizeCSS = apply_filters( 'autoptimize_filter_css_noptimize', false, $this->content );
        if ($noptimizeCSS) return false;

        $whitelistCSS = apply_filters( 'autoptimize_filter_css_whitelist', '' );
        if (!empty($whitelistCSS)) {
            $this->whitelist = array_filter(array_map('trim',explode(",",$whitelistCSS)));

        }
        
        if ($options['nogooglefont'] == true) {
            $removableCSS = "fonts.googleapis.com";
        } else {
            $removableCSS = "";
        }
        $removableCSS = apply_filters( 'autoptimize_filter_css_removables', $removableCSS);
        if (!empty($removableCSS)) {

            $this->cssremovables = array_filter(array_map('trim',explode(",",$removableCSS)));
        }

        $this->cssinlinesize = apply_filters('autoptimize_filter_css_inlinesize',256);

        // filter to "late inject minified CSS", default to true for now (it is faster)
        $this->inject_min_late = apply_filters('autoptimize_filter_css_inject_min_late',true);

        // Remove everything that's not the header
        if ( apply_filters('autoptimize_filter_css_justhead',$options['justhead']) == true ) {

            $content = explode('</head>',$this->content,2);
            $this->content = $content[0].'</head>';
            $this->restofcontent = $content[1];
        }

        // include inline?
        if( apply_filters('autoptimize_css_include_inline',$options['include_inline']) == true ) {
            $this->include_inline = true;
        }
        
        // what CSS shouldn't be autoptimized
        $excludeCSS = $options['css_exclude'];
        $excludeCSS = apply_filters( 'autoptimize_filter_css_exclude', $excludeCSS );
        if ($excludeCSS!=="") {

            $this->dontmove = array_filter(array_map('trim',explode(",",$excludeCSS)));
class MyClass { }

$x = new MyClass();
$x->foo = true;
        } else {
            $this->dontmove = "";
        }

        // should we defer css?
        // value: true/ false
        $this->defer = $options['defer'];
        $this->defer = apply_filters( 'autoptimize_filter_css_defer', $this->defer );

        // should we inline while deferring?
        // value: inlined CSS
        $this->defer_inline = $options['defer_inline'];
        $this->defer_inline = apply_filters( 'autoptimize_filter_css_defer_inline', $this->defer_inline );

        // should we inline?
        // value: true/ false
        $this->inline = $options['inline'];
        $this->inline = apply_filters( 'autoptimize_filter_css_inline', $this->inline );
        
        // get cdn url
        $this->cdn_url = $options['cdn_url'];
class MyClass { }

$x = new MyClass();
$x->foo = true;
        
        // Store data: URIs setting for later use
        $this->datauris = $options['datauris'];
        
        // noptimize me
        $this->content = $this->hide_noptimize($this->content);
        
        // exclude (no)script, as those may contain CSS which should be left as is
        if ( strpos( $this->content, '<script' ) !== false ) { 

            $this->content = preg_replace_callback(
                '#<(?:no)?script.*?<\/(?:no)?script>#is',
                create_function(
// Instead of
$function = create_function('$a, $b', 'return $a + $b');

// Better use
$function = function($a, $b) { return $a + $b; }
                    '$matches',
                    'return "%%SCRIPT%%".base64_encode($matches[0])."%%SCRIPT%%";'
                ),
                $this->content
            );
        }

        // Save IE hacks
        $this->content = $this->hide_iehacks($this->content);

        // hide comments
        $this->content = $this->hide_comments($this->content);
        
        // Get <style> and <link>
        if(preg_match_all('#(<style[^>]*>.*</style>)|(<link[^>]*stylesheet[^>]*>)#Usmi',$this->content,$matches)) {
            foreach($matches[0] as $tag) {
                if ($this->isremovable($tag,$this->cssremovables)) {
                    $this->content = str_replace($tag,'',$this->content);
                } else if ($this->ismovable($tag)) {
                    // Get the media
                    if(strpos($tag,'media=')!==false) {
                        preg_match('#media=(?:"|\')([^>]*)(?:"|\')#Ui',$tag,$medias);
                        $medias = explode(',',$medias[1]);
                        $media = array();
                        foreach($medias as $elem) {
                            if (empty($elem)) { $elem="all"; }
                            $media[] = $elem;
                        }
                    } else {
                        // No media specified - applies to all
                        $media = array('all');
                    }
                    $media = apply_filters( 'autoptimize_filter_css_tagmedia',$media,$tag );
                
                    if(preg_match('#<link.*href=("|\')(.*)("|\')#Usmi',$tag,$source)) {
                        // <link>
                        $explUrl = explode('?',$source[2],2);
                        $url = $explUrl[0];
                        $path = $this->getpath($url);
                        
                        if($path!==false && preg_match('#\.css$#',$path)) {
                            // Good link
                            $this->css[] = array($media,$path);
                        }else{
                            // Link is dynamic (.php etc)
                            $tag = '';
                        }
                    } else {
                        // inline css in style tags can be wrapped in comment tags, so restore comments
                        $tag = $this->restore_comments($tag);
                        preg_match('#<style.*>(.*)</style>#Usmi',$tag,$code);

                        // and re-hide them to be able to to the removal based on tag
                        $tag = $this->hide_comments($tag);

                        if ( $this->include_inline ) {
                            $code = preg_replace('#^.*<!\[CDATA\[(?:\s*\*/)?(.*)(?://|/\*)\s*?\]\]>.*$#sm','$1',$code[1]);
                            $this->css[] = array($media,'INLINE;'.$code);
                        } else {
                            $tag = '';
                        }
                    }
                    
                    // Remove the original style tag
                    $this->content = str_replace($tag,'',$this->content);
                } else {
					// excluded CSS, minify if getpath 
					if (preg_match('#<link.*href=("|\')(.*)("|\')#Usmi',$tag,$source)) {
						$explUrl = explode('?',$source[2],2);
                        $url = $explUrl[0];
                        $path = $this->getpath($url);
 					
						if ($path && apply_filters('autoptimize_filter_css_minify_excluded',false)) {
							$_CachedMinifiedUrl = $this->minify_single($path);

							if (!empty($_CachedMinifiedUrl)) {
								// replace orig URL with URL to cache
								$newTag = str_replace($url, $_CachedMinifiedUrl, $tag);
							} else {
								$newTag = $tag;
							}
							
							// remove querystring from URL
							if ( !empty($explUrl[1]) ) {

								$newTag = str_replace("?".$explUrl[1],"",$newTag);
							}

							// and replace
							$this->content = str_replace($tag,$newTag,$this->content);
						}
					}					
				}
            }
            return true;
        }
        // Really, no styles?
        return false;
    }
    
    // Joins and optimizes CSS
    public function minify() {
        foreach($this->css as $group) {
            list($media,$css) = $group;
            if(preg_match('#^INLINE;#',$css)) {
                // <style>
                $css = preg_replace('#^INLINE;#','',$css);
                $css = $this->fixurls(ABSPATH.'/index.php',$css);
                $tmpstyle = apply_filters( 'autoptimize_css_individual_style', $css, "" );
                if ( has_filter('autoptimize_css_individual_style') && !empty($tmpstyle) ) {
                    $css=$tmpstyle;
                    $this->alreadyminified=true;
                }
            } else {
                //<link>
                if($css !== false && file_exists($css) && is_readable($css)) {
                    $cssPath = $css;
                    $css = $this->fixurls($cssPath,file_get_contents($cssPath));
                    $css = preg_replace('/\x{EF}\x{BB}\x{BF}/','',$css);
                    $tmpstyle = apply_filters( 'autoptimize_css_individual_style', $css, $cssPath );
                    if (has_filter('autoptimize_css_individual_style') && !empty($tmpstyle)) {

                        $css=$tmpstyle;
                        $this->alreadyminified=true;
                    } else if ($this->can_inject_late($cssPath,$css)) {
                        $css="%%INJECTLATER%%".base64_encode($cssPath)."|".md5($css)."%%INJECTLATER%%";
                    }
                } else {
                    // Couldn't read CSS. Maybe getpath isn't working?
                    $css = '';
                }
            }
            
            foreach($media as $elem) {
                if(!isset($this->csscode[$elem]))
                    $this->csscode[$elem] = '';
                $this->csscode[$elem] .= "\n/*FILESTART*/".$css;
            }
        }
        
        // Check for duplicate code
        $md5list = array();
        $tmpcss = $this->csscode;
        foreach($tmpcss as $media => $code) {
            $md5sum = md5($code);
            $medianame = $media;
            foreach($md5list as $med => $sum) {
                // If same code
                if($sum === $md5sum) {
                    //Add the merged code
                    $medianame = $med.', '.$media;
                    $this->csscode[$medianame] = $code;
                    $md5list[$medianame] = $md5list[$med];
                    unset($this->csscode[$med], $this->csscode[$media]);
                    unset($md5list[$med]);
                }
            }
            $md5list[$medianame] = $md5sum;
        }
        unset($tmpcss);
        
        // Manage @imports, while is for recursive import management
        foreach ($this->csscode as &$thiscss) {
            // Flag to trigger import reconstitution and var to hold external imports
            $fiximports = false;
            $external_imports = "";

            // remove comments to avoid importing commented-out imports
            $thiscss_nocomments = preg_replace('#/\*.*\*/#Us','',$thiscss);

            while(preg_match_all('#@import.*(?:;|$)#Um',$thiscss_nocomments,$matches)) {
                foreach($matches[0] as $import)    {
                    if ($this->isremovable($import,$this->cssremovables)) {
                        $thiscss = str_replace($import,'',$thiscss);
                        $import_ok = true;
                    } else {
                        $url = trim(preg_replace('#^.*((?:https?:|ftp:)?//.*\.css).*$#','$1',trim($import))," \t\n\r\0\x0B\"'");
                        $path = $this->getpath($url);
                        $import_ok = false;
                        if (file_exists($path) && is_readable($path)) {
                            $code = addcslashes($this->fixurls($path,file_get_contents($path)),"\\");
                            $code = preg_replace('/\x{EF}\x{BB}\x{BF}/','',$code);
                            $tmpstyle = apply_filters( 'autoptimize_css_individual_style', $code, "" );
                            if ( has_filter('autoptimize_css_individual_style') && !empty($tmpstyle)) {

                                $code=$tmpstyle;
                                $this->alreadyminified=true;
                            } else if ($this->can_inject_late($path,$code)) {
                                $code="%%INJECTLATER%%".base64_encode($path)."|".md5($code)."%%INJECTLATER%%";
                            }
                            
                            if(!empty($code)) {
                                $tmp_thiscss = preg_replace('#(/\*FILESTART\*/.*)'.preg_quote($import,'#').'#Us','/*FILESTART2*/'.$code.'$1',$thiscss);
                                if (!empty($tmp_thiscss)) {
                                    $thiscss = $tmp_thiscss;
                                    $import_ok = true;
                                    unset($tmp_thiscss);
                                }
                                unset($code);
                            }
                        }
                    }

                    if (!$import_ok) {
                        // external imports and general fall-back
                        $external_imports .= $import;
                        $thiscss = str_replace($import,'',$thiscss);
                        $fiximports = true;
                    }
                }
                $thiscss = preg_replace('#/\*FILESTART\*/#','',$thiscss);
                $thiscss = preg_replace('#/\*FILESTART2\*/#','/*FILESTART*/',$thiscss);
                
                // and update $thiscss_nocomments before going into next iteration in while loop
                $thiscss_nocomments=preg_replace('#/\*.*\*/#Us','',$thiscss);
            }
            unset($thiscss_nocomments);
            
            // add external imports to top of aggregated CSS
            if($fiximports) {
                $thiscss=$external_imports.$thiscss;
            }
        }
        unset($thiscss);
        
        // $this->csscode has all the uncompressed code now. 
        foreach($this->csscode as &$code) {
            // Check for already-minified code
            $hash = md5($code);
            $ccheck = new autoptimizeCache($hash,'css');
            if($ccheck->check()) {
                $code = $ccheck->retrieve();
                $this->hashmap[md5($code)] = $hash;
                continue;
            }
            unset($ccheck);            

            // Do the imaging!
            $imgreplace = array();
            // dtbaker update. Instead of searching for the entire `background: url(), url(), url();` string we just search for the individual url() elements.
            // this allows us to find/replace multiple background images with minimal code changes below.
            // this is the old regex that searched for the entire background css rule, but it wouldn't match multiple background image url css rules.
            // preg_match_all('#(background[^;{}]*url\((?!\s?"?\'?\s?data)(.*)\)[^;}]*)(?:;|$|})#Usm',$code,$matches);

            // this new regex will be slightly faster too:
            preg_match_all( self::ASSETS_REGEX, $code, $matches );

            if(($this->datauris == true) && (function_exists('base64_encode')) && (is_array($matches)))    {

                foreach($matches[1] as $count => $quotedurl) {
                    $iurl = trim($quotedurl," \t\n\r\0\x0B\"'");

                    // if querystring, remove it from url
                    if (strpos($iurl,'?') !== false) { $iurl = strtok($iurl,'?'); }
                    
                    $ipath = $this->getpath($iurl);

                    $datauri_max_size = 4096;
                    $datauri_max_size = (int) apply_filters( 'autoptimize_filter_css_datauri_maxsize', $datauri_max_size );
                    $datauri_exclude = apply_filters( 'autoptimize_filter_css_datauri_exclude', "");
                    if (!empty($datauri_exclude)) {
                        $no_datauris=array_filter(array_map('trim',explode(",",$datauri_exclude)));
                        foreach ($no_datauris as $no_datauri) {
                            if (strpos($iurl,$no_datauri)!==false) {
                                $ipath=false;
                                break;
                            }
                        }
                    }

                    if($ipath != false && preg_match('#\.(jpe?g|png|gif|bmp)$#i',$ipath) && file_exists($ipath) && is_readable($ipath) && filesize($ipath) <= $datauri_max_size) {

                        $ihash=md5($ipath);
                        $icheck = new autoptimizeCache($ihash,'img');
                        if($icheck->check()) {
                            // we have the base64 image in cache
                            $headAndData=$icheck->retrieve();
                            $_base64data=explode(";base64,",$headAndData);
                            $base64data=$_base64data[1];
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
                        } else {
                            // It's an image and we don't have it in cache, get the type
                            $explA=explode('.',$ipath);
                            $type=end($explA);

                            switch($type) {
                                case 'jpeg':
                                    $dataurihead = 'data:image/jpeg;base64,';
                                    break;
                                case 'jpg':
                                    $dataurihead = 'data:image/jpeg;base64,';
                                    break;
                                case 'gif':
                                    $dataurihead = 'data:image/gif;base64,';
                                    break;
                                case 'png':
                                    $dataurihead = 'data:image/png;base64,';
                                    break;
                                case 'bmp':
                                    $dataurihead = 'data:image/bmp;base64,';
                                    break;
                                default:
                                    $dataurihead = 'data:application/octet-stream;base64,';
                            }
                        
                            // Encode the data
                            $base64data = base64_encode(file_get_contents($ipath));
                            $headAndData=$dataurihead.$base64data;

                            // Save in cache
                            $icheck->cache($headAndData,"text/plain");
                        }
                        unset($icheck);

                        // Add it to the list for replacement
                        $imgreplace[$matches[0][$count]] = str_replace($quotedurl,$headAndData,$matches[0][$count]).';';
                        
                    } else {
                        // just cdn the URL if applicable
                        if (!empty($this->cdn_url)) {
                            $url = trim($quotedurl," \t\n\r\0\x0B\"'");
                            $cdn_url=$this->url_replace_cdn($url);
                            $imgreplace[$matches[0][$count]] = str_replace($quotedurl,$cdn_url,$matches[0][$count]);
                        }
                    }
                }
            } else if ((is_array($matches)) && (!empty($this->cdn_url))) {
                // change background image urls to cdn-url
                foreach($matches[1] as $count => $quotedurl) {

                    $url = trim($quotedurl," \t\n\r\0\x0B\"'");
                    $cdn_url=$this->url_replace_cdn($url);
                    $imgreplace[$matches[0][$count]] = str_replace($quotedurl,$cdn_url,$matches[0][$count]);
                }
            }
            
            if(!empty($imgreplace)) {
                $code = str_replace(array_keys($imgreplace),array_values($imgreplace),$code);
            }
            
            // CDN the fonts!
            if ( (!empty($this->cdn_url)) && (apply_filters('autoptimize_filter_css_fonts_cdn',false)) && (version_compare(PHP_VERSION, '5.3.0') >= 0) ) {
                $fontreplace = array();
                include_once(AUTOPTIMIZE_PLUGIN_DIR.'classlesses/autoptimizeFontRegex.php');
                
                preg_match_all($fonturl_regex,$code,$matches);

                if (is_array($matches)) {
                    foreach($matches[8] as $count => $quotedurl) {

                        $url = trim($quotedurl," \t\n\r\0\x0B\"'");
                        $cdn_url=$this->url_replace_cdn($url);
                        $fontreplace[$matches[8][$count]] = str_replace($quotedurl,$cdn_url,$matches[8][$count]);
                    }
                    if(!empty($fontreplace)) {
                        $code = str_replace(array_keys($fontreplace),array_values($fontreplace),$code);
                    }
                }
            }
            
            // Minify
            if (($this->alreadyminified!==true) && (apply_filters( "autoptimize_css_do_minify", true))) {
                if (class_exists('Minify_CSS_Compressor')) {

                    $tmp_code = trim(Minify_CSS_Compressor::process($code));
                } else if(class_exists('CSSmin')) {
                    $cssmin = new CSSmin();
                    if (method_exists($cssmin,"run")) {
                        $tmp_code = trim($cssmin->run($code));
                    } elseif (@is_callable(array($cssmin,"minify"))) {
                        $tmp_code = trim(CssMin::minify($code));

                    }
                }
                if (!empty($tmp_code)) {
                    $code = $tmp_code;
                    unset($tmp_code);
                }
            }
            
            $code = $this->inject_minified($code);
            
            $tmp_code = apply_filters( 'autoptimize_css_after_minify',$code );
            if (!empty($tmp_code)) {
                $code = $tmp_code;
                unset($tmp_code);
            }
            
            $this->hashmap[md5($code)] = $hash;
        }
        unset($code);
        return true;
    }
    
    //Caches the CSS in uncompressed, deflated and gzipped form.
    public function cache() {
        // CSS cache
        foreach($this->csscode as $media => $code) {
            $md5 = $this->hashmap[md5($code)];
                
            $cache = new autoptimizeCache($md5,'css');
            if(!$cache->check()) {
                // Cache our code
                $cache->cache($code,'text/css');
            }
            $this->url[$media] = AUTOPTIMIZE_CACHE_URL.$cache->getname();
        }
    }
    
    //Returns the content
    public function getcontent() {
        // restore IE hacks
        $this->content = $this->restore_iehacks($this->content);

        // restore comments
        $this->content = $this->restore_comments($this->content);
        
        // restore (no)script
        if ( strpos( $this->content, '%%SCRIPT%%' ) !== false ) { 

            $this->content = preg_replace_callback(
                '#%%SCRIPT%%(.*?)%%SCRIPT%%#is',
                create_function(
// Instead of
$function = create_function('$a, $b', 'return $a + $b');

// Better use
$function = function($a, $b) { return $a + $b; }
                    '$matches',
                    'return base64_decode($matches[1]);'
                ),
                $this->content
            );
        }

        // restore noptimize
        $this->content = $this->restore_noptimize($this->content);
        
        //Restore the full content
        if(!empty($this->restofcontent)) {
            $this->content .= $this->restofcontent;
            $this->restofcontent = '';
        }
        
        // Inject the new stylesheets
        $replaceTag = array("<title","before");
        $replaceTag = apply_filters( 'autoptimize_filter_css_replacetag', $replaceTag );

        if ($this->inline == true) {

            foreach($this->csscode as $media => $code) {
                $this->inject_in_html('<style type="text/css" media="'.$media.'">'.$code.'</style>',$replaceTag);
            }
        } else {
            if ($this->defer == true) {

                $preloadCssBlock = "";
                $noScriptCssBlock = "<noscript id=\"aonoscrcss\">";
                $defer_inline_code=$this->defer_inline;
                if(!empty($defer_inline_code)){
                    if ( apply_filters( 'autoptimize_filter_css_critcss_minify',true ) ) {
                        $iCssHash=md5($defer_inline_code);
                        $iCssCache = new autoptimizeCache($iCssHash,'css');
                        if($iCssCache->check()) { 
                            // we have the optimized inline CSS in cache
                            $defer_inline_code=$iCssCache->retrieve();
                        } else {
                            if (class_exists('Minify_CSS_Compressor')) {
                                $tmp_code = trim(Minify_CSS_Compressor::process($defer_inline_code));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                            } else if(class_exists('CSSmin')) {
                                $cssmin = new CSSmin();
                                $tmp_code = trim($cssmin->run($defer_inline_code));
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
                            }
                            if (!empty($tmp_code)) {
                                $defer_inline_code = $tmp_code;
                                $iCssCache->cache($defer_inline_code,"text/css");
                                unset($tmp_code);
                            }
                        }
                    }
                    $code_out='<style type="text/css" id="aoatfcss" media="all">'.$defer_inline_code.'</style>';
                    $this->inject_in_html($code_out,$replaceTag);
                }
            }

            foreach($this->url as $media => $url) {
                $url = $this->url_replace_cdn($url);
                
                //Add the stylesheet either deferred (import at bottom) or normal links in head
                if($this->defer == true) {

                    $preloadCssBlock .= '<link rel="preload" as="style" media="'.$media.'" href="'.$url.'" onload="this.rel=\'stylesheet\'" />';
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                    $noScriptCssBlock .= '<link type="text/css" media="'.$media.'" href="'.$url.'" rel="stylesheet" />';
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                } else {
                    if (strlen($this->csscode[$media]) > $this->cssinlinesize) {
                        $this->inject_in_html('<link type="text/css" media="'.$media.'" href="'.$url.'" rel="stylesheet" />',$replaceTag);
                    } else if (strlen($this->csscode[$media])>0) {
                        $this->inject_in_html('<style type="text/css" media="'.$media.'">'.$this->csscode[$media].'</style>',$replaceTag);
                    }
                }
            }
            
            if($this->defer == true) {

                $preloadPolyfill = '<script data-cfasync=\'false\'>/*! loadCSS. [c]2017 Filament Group, Inc. MIT License */
!function(a){"use strict";var b=function(b,c,d){function e(a){return h.body?a():void setTimeout(function(){e(a)})}function f(){i.addEventListener&&i.removeEventListener("load",f),i.media=d||"all"}var g,h=a.document,i=h.createElement("link");if(c)g=c;else{var j=(h.body||h.getElementsByTagName("head")[0]).childNodes;g=j[j.length-1]}var k=h.styleSheets;i.rel="stylesheet",i.href=b,i.media="only x",e(function(){g.parentNode.insertBefore(i,c?g:g.nextSibling)});var l=function(a){for(var b=i.href,c=k.length;c--;)if(k[c].href===b)return a();setTimeout(function(){l(a)})};return i.addEventListener&&i.addEventListener("load",f),i.onloadcssdefined=l,l(f),i};"undefined"!=typeof exports?exports.loadCSS=b:a.loadCSS=b}("undefined"!=typeof global?global:this);
/*! loadCSS rel=preload polyfill. [c]2017 Filament Group, Inc. MIT License */
!function(a){if(a.loadCSS){var b=loadCSS.relpreload={};if(b.support=function(){try{return a.document.createElement("link").relList.supports("preload")}catch(b){return!1}},b.poly=function(){for(var b=a.document.getElementsByTagName("link"),c=0;c<b.length;c++){var d=b[c];"preload"===d.rel&&"style"===d.getAttribute("as")&&(a.loadCSS(d.href,d,d.getAttribute("media")),d.rel=null)}},!b.support()){b.poly();var c=a.setInterval(b.poly,300);a.addEventListener&&a.addEventListener("load",function(){b.poly(),a.clearInterval(c)}),a.attachEvent&&a.attachEvent("onload",function(){a.clearInterval(c)})}}}(this);</script>';
                $noScriptCssBlock .= "</noscript>";
                $this->inject_in_html($preloadCssBlock.$noScriptCssBlock,$replaceTag);
                $this->inject_in_html($preloadPolyfill,array('</body>','before'));
            }
        }

        //Return the modified stylesheet
        return $this->content;
    }
    
    static function fixurls($file,$code) {

        $file = str_replace(WP_ROOT_DIR,'',$file);
        $file = str_replace(AUTOPTIMIZE_WP_CONTENT_NAME,'',$file);
        $dir = dirname($file); // Like /themes/expound/css

        // switch all imports to the url() syntax
        $code=preg_replace('#@import ("|\')(.+?)\.css.*("|\')#','@import url("${2}.css")',$code);

        if( preg_match_all( self::ASSETS_REGEX, $code, $matches ) ) {
            $replace = array();
            foreach($matches[1] as $k => $url) {
                // Remove quotes
                $url = trim($url," \t\n\r\0\x0B\"'");
                $noQurl = trim($url,"\"'");
                
                if ($noQurl === '') { continue; }
                
                if ($url!==$noQurl) {
                    $removedQuotes=true;
                } else {
                    $removedQuotes=false;
                }
                $url=$noQurl;
                if(substr($url,0,1)=='/' || preg_match('#^(https?://|ftp://|data:)#i',$url)) {
                    //URL is absolute
                    continue;
                } else {
                    // relative URL
                    $newurl = preg_replace('/https?:/','',str_replace(" ","%20",AUTOPTIMIZE_WP_CONTENT_URL.str_replace('//','/',$dir.'/'.$url)));

                    $hash = md5($url);
                    $code = str_replace($matches[0][$k],$hash,$code);

                    if (!empty($removedQuotes)) {
                        $replace[$hash] = 'url(\''.$newurl.'\')';
                    } else {
                        $replace[$hash] = 'url('.$newurl.')';
                    }
                }
            }    
            //Do the replacing here to avoid breaking URLs
            $code = str_replace(array_keys($replace),array_values($replace),$code);
        }    
        return $code;
    }
    
    private function ismovable($tag) {
		if (apply_filters('autoptimize_filter_css_dontaggregate',false)) {
			return false;
        } else if (!empty($this->whitelist)) {
            foreach ($this->whitelist as $match) {

                if(strpos($tag,$match)!==false) {
                    return true;
                }
            }
            // no match with whitelist
            return false;
        } else {
            if (is_array($this->dontmove)) {
                foreach($this->dontmove as $match) {
                    if(strpos($tag,$match)!==false) {
                        //Matched something
                        return false;
                    }
                }
            }
            
            //If we're here it's safe to move
            return true;
        }
    }
    
    private function can_inject_late($cssPath,$css) {
        if ((strpos($cssPath,"min.css")===false) || ($this->inject_min_late!==true)) {
            // late-inject turned off or file not minified based on filename
            return false;
        } else if (strpos($css,"@import")!==false) {
            // can't late-inject files with imports as those need to be aggregated 
            return false;
        } else if ( (strpos($css,"@font-face")!==false ) && ( apply_filters("autoptimize_filter_css_fonts_cdn",false)===true) && (!empty($this->cdn_url)) ) {
            // don't late-inject CSS with font-src's if fonts are set to be CDN'ed
            return false;
        } else if ( (($this->datauris == true) || (!empty($this->cdn_url))) && preg_match("#background[^;}]*url\(#Ui",$css) ) {

            // don't late-inject CSS with images if CDN is set OR is image inlining is on
            return false;
        } else {
            // phew, all is safe, we can late-inject
            return true;
        }
    }
}

Push — master ( 6ca290...afc802 )

autoptimizeStyles::can_inject_late() B

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Available Fixes

Available Fixes

1			<?php
2			if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
3
4			class autoptimizeStyles extends autoptimizeBase {
5
6			const ASSETS_REGEX = '/url\s\(\s(?!["\']?data:)(?![\'\|\"]?[\#\|\%\|])([^)]+)\s\)([^;},])/i';
7
8			private $css = array();
9			private $csscode = array();
10			private $url = array();
11			private $restofcontent = '';
12			private $datauris = false;
13			private $hashmap = array();
14			private $alreadyminified = false;
15			private $inline = false;
16			private $defer = false;
17			private $defer_inline = false;
18			private $whitelist = '';
19			private $cssinlinesize = '';
20			private $cssremovables = array();
21			private $include_inline = false;
22			private $inject_min_late = '';
23
24			//Reads the page and collects style tags
25			public function read($options) {
26			$noptimizeCSS = apply_filters( 'autoptimize_filter_css_noptimize', false, $this->content );
27			if ($noptimizeCSS) return false;
28
29			$whitelistCSS = apply_filters( 'autoptimize_filter_css_whitelist', '' );
30			if (!empty($whitelistCSS)) {
31			$this->whitelist = array_filter(array_map('trim',explode(",",$whitelistCSS)));
			0 ignored issues – show Documentation Bug introduced 2016-11-16 14:04 UTC by Report Bug Copy Issue Report It seems like `array_filter(array_map('...e(',', $whitelistCSS)))` of type `array` is incompatible with the declared type `string` of property `$whitelist`. Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property. Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property.. Loading history...
32			}
33
34			if ($options['nogooglefont'] == true) {
35			$removableCSS = "fonts.googleapis.com";
36			} else {
37			$removableCSS = "";
38			}
39			$removableCSS = apply_filters( 'autoptimize_filter_css_removables', $removableCSS);
futtta / autoptimize

Push — master ( 6ca290...afc802 )

autoptimizeStyles::can_inject_late() B

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Available Fixes

Available Fixes

Duplication Side-by-Side

Filter issues like
