html = $buffer; preg_match_all( '#style="(.*?)"#', $this->html, $matches, PREG_OFFSET_CAPTURE ); $this->class = collect($matches[1])->mapWithKeys(function ($item) { return [ 'page_speed_'.rand() => $item[0] ]; })->unique(); return $this->injectStyle()->injectClass()->fixHTML()->html; } private function injectStyle() { collect($this->class)->each(function ($attributes, $class) { $this->inline[] = ".{$class}{ {$attributes} }"; $this->style[] = [ 'class' => $class, 'attributes' => preg_quote($attributes, '/')]; }); $injectStyle = implode(' ', $this->inline); $replace = [ '#(.*?)#' => "\n\n" ]; $this->html = $this->replace($replace, $this->html); return $this; } private function injectClass() { collect($this->style)->each(function ($item) { $replace = [ '/style="'.$item['attributes'].'"/' => "class=\"{$item['class']}\"", ]; $this->html = $this->replace($replace, $this->html); }); return $this; } private function fixHTML() { $newHTML = []; $tmp = explode('<', $this->html); $replaceClass = [ '/class="(.*?)"/' => "", ]; foreach ($tmp as $value) { preg_match_all('/class="(.*?)"/', $value, $matches); if (count($matches[1]) > 1) { $replace = [ '/>/' => "class=\"".implode(' ', $matches[1])."\">", ]; $newHTML[] = str_replace( ' ', ' ', $this->replace($replace, $this->replace($replaceClass, $value)) ); } else { $newHTML[] = $value; } } $this->html = implode('<', $newHTML); return $this; } }