php 保存远程图片到本地
显示远程图片：
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<?php header('Content-Type:image/jpg'); echo file_get_contents("http://www.baidu.com/img/baidu_logo.gif"); ?>
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第一种： 精确型
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<?php // 变量说明: // $url 是远程图片的完整URL地址，不能为空。 // $filename 是可选变量: 如果为空，本地文件名将基于时间和日期 // 自动生成. function get_photo($url,$filename='',$savefile='test/') { $imgArr = array('gif','bmp','png','ico','jpg','jepg'); if(!$url) return false; if(!$filename) { $ext=strtolower(end(explode('.',$url))); if(!in_array($ext,$imgArr)) return false; $filename=date("dMYHis").'.'.$ext; } if(!is_dir($savefile)) mkdir($savefile, 0777); if(!is_readable($savefile)) chmod($savefile, 0777); $filename = $savefile.$filename; ob_start(); readfile($url); $img = ob_get_contents(); ob_end_clean(); $size = strlen($img); $fp2=@fopen($filename, "a"); fwrite($fp2,$img); fclose($fp2); return $filename; } $img=get_photo("http://www.baidu.com/img/baidu_logo.gif"); echo $img ? '<pre class="prettyprint linenums">
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第二种：从文章中提取图片，并保存至本地
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function%20getImg($str){ $str%20=%20stripslashes($str); $pattern%20=%20"/]*s@本文来源gaodai$ma#com搞$代*码6网搞代gaodaima码rc\=\"(([^>]*)(jpg|gif|png|bmp|jpeg))\"/i";%20%20%20//获取所有图片标签的全部信息 preg_match_all($pattern,%20$str,%20$matches); %20%20 return%20$matches[1];%20%20%20//$matches[1]中就是所想匹配的结果,结果为数组} $str%20=%20<<<EOTMoney%20has%20been%20moving%20into%20Brazilian%20stocks%20over%20the%20last%20couple%20of%20days,%20despite%20mostly%20flat%20trading%20activity%20in%20the%20U.S.%20equity%20markets.%20During%20Thursday's%20session,%20the%20iShares%20MSCI%20Brazil%20Index%20ETF%20(NYSE:%20EWZ)%20has%20risen%201.12%%20after%20outperforming%20the%20U.S.%20indices%20yesterday%20as%20well.Must%20ReadSonySony%20Playstation%20Phone%20Rumors%20Heat%20UpA%20South%20Korean%20Army%20soldier%20walks%20up%20steps%20of%20a%20guard%20post%20near%20the%20demilitarised%20zone%20separating%20the%20two%20Koreas.S.%20Korea%20waves%20olive%20branchTwo giant resource companies make up a big chunk of the Brazilian Bovespa. They are PetroBras (NYSE: PBR), with a market cap of $163.44 billion, and miner Vale (NYSE: VALE), which has a market cap of $178.95 billion. PBR shares have risen 1.47% thus far today and VALE is trading 0.77% higher at $34.03.This article was originally published on Benzinga, and is republished here with permission. EOT;foreach( getImg($str) as $url){ get_photo($url);}
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转载请注明原文链接：php 封存远程图片到本地
转载请注明原文链接：php 封存远程图片到本地
