


How to localize remote images in php, this article shares the implementation code
<?php //站点根目录 $cfg_basedir = dirname(__FILE__); //停建目录属性 $cfg_dir_purview ='0755'; /*Get请求远程内容函数*/ $cookie_file = dirname(__FILE__).'/cookie.txt'; //COOKIE存放地址 function pget($url,$ref=false,$head=false){ $curl = curl_init(); // 启动一个CURL会话 curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查 curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1); // 从证书中检查SSL加密算法是否存在 curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); // 模拟用户使用的浏览器 curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转 if($ref){ curl_setopt($curl, CURLOPT_REFERER, $ref);//带来的Referer }else{ curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer } curl_setopt($curl, CURLOPT_HTTPGET, 1); // 发送一个常规的Post请求 curl_setopt($curl, CURLOPT_COOKIEJAR, $GLOBALS['cookie_file']); // 存放Cookie信息的文件名称 curl_setopt($curl, CURLOPT_COOKIEFILE,$GLOBALS ['cookie_file']); // 读取上面所储存的Cookie信息 curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环 curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容 curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回 $tmpInfo = curl_exec($curl); // 执行操作 if (curl_errno($curl)) { echo 'Errno'.curl_error($curl); } if($head){ $data['head']=curl_getinfo($curl);} curl_close($curl); // 关键CURL会话 $data['data']=$tmpInfo; return $data; // 返回数据 } /** * 创建所有目录 * * @param string $truepath 真实地址 * @param string $mmode 模式 * @return bool */ if ( ! function_exists('MkdirAll')) { function MkdirAll($truepath) { global $cfg_dir_purview; if(!file_exists($truepath)) { mkdir($truepath, $cfg_dir_purview); chmod($truepath, $cfg_dir_purview); return true; } else { return true; } } } /** * 获得文章body里的外部资源 * * @access public * @param string $body 文档内容 * @return string */ function GetCurContent($body) { global $cfg_multi_site,$cfg_basehost,$cfg_basedir,$cfg_image_dir,$arcID,$cuserLogin,$dsql; $cfg_uploaddir = '/c'; $basehost = "http://".$_SERVER["HTTP_HOST"]; $img_array = array(); preg_match_all("/src=[\"|'|\s]{0,}(http:\/\/([^>]*)\.(gif|jpg|png))/isU",$body,$img_array); $img_array = array_unique($img_array[1]); $imgUrl = $cfg_uploaddir.'/'.date("ymd", time()); $imgPath = $cfg_basedir.$imgUrl; if(!is_dir($imgPath.'/')) { MkdirAll($imgPath, $GLOBALS['cfg_dir_purview']); CloseFtp(); } $milliSecond = date('His',time()); foreach($img_array as $key=>$value) { if(preg_match("#".$basehost."#i", $value)) { continue; } if(preg_match("#".$basehost."#i", $value)) { continue; } if(!preg_match("#^http:\/\/#i", $value)) { continue; } $http=pget($value,'$value',true); $itype=($http['head']['content_type']); if(!preg_match("#\.(jpg|gif|png)#i", $itype)) { if($itype=='image/gif') { $itype = ".gif"; } else if($itype=='image/png') { $itype = ".png"; } else { $itype = '.jpg'; } } $milliSecondN = rand(1000,9999).rand(1000,9999); $value = trim($value); $rndFileName = $imgPath.'/'.$milliSecondN.'-'.$key.$itype; $fileurl = $imgUrl.'/'.$milliSecondN.'-'.$key.$itype; $tp = fopen($rndFileName, 'wb'); fwrite($tp, $http['data']); fclose($tp); if(file_exists($cfg_basedir.$fileurl)) { $info = ''; $imginfos = GetImageSize($rndFileName, $info); $fsize = filesize($rndFileName); $body = str_replace($value, $fileurl, $body); } } return $body; } //调用方式 echo GetCurContent($body);
The above is all the code to implement remote image localization. I hope it will be helpful to everyone's learning.

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