写一个函数,获取一篇文章内容中的全部图片,并下载
function download_images($article_url = '', $image_path = 'tmp'){ // 获取文章类容 $content = file_get_contents($article_url); // 利用正则表达式得到图片链接 $reg_tag = '/<img.*?\"([^\"]*(jpg|bmp|jpeg|gif|png)).*?>/'; $ret = preg_match_all($reg_tag, $content, $match_result); $pic_url_array = array_unique($match_result1[1]); // 创建路径 $dir = getcwd() . DIRECTORY_SEPARATOR .$image_path; mkdir(iconv("UTF-8", "GBK", $dir), 0777, true); foreach($pic_url_array as $pic_url){ // 获取文件信息 $ch = curl_init($pic_url); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_NOBODY, 0); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE ); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE ); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $fileInfo = curl_exec($ch); $httpinfo = curl_getinfo($ch); curl_close($ch); // 获取图片文件后缀 $ext = strrchr($pic_url, '.'); $filename = $dir . '/' . uniqid() . $ext; // 保存图片信息到文件 $local_file = fopen($filename, 'w'); if(false !== $local_file){ if( false !== fwrite($local_file, $filecontent) ){ fclose($local_file); } } } }
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