php中preg_match_all函数的应用问题

http://img1.paipaiimg.com/637cde14/item-0EA6ACB3-C9B61F500000000000493B5D080DAEB4.0.jpg","","","",""],["http://img1.paipaiimg.com/46f8f8ea/item-0EA6ACB3-C9B61F500000000000493B5D080DAEB4.0.jpg.2.jpg ","","","",""],["http://img1.paipaiimg.com/f5909df4/item-0EA6ACB3-C9B61F500000000000493B5D080DAEB4.0.300x300.jpg ","","","",""],["http://img1.paipaiimg.com/5e7ab71c/item-0EA6ACB3-C9B61F500000000000493B5D080DAEB4.0.jpg.3.jpg ","","","",""]] }; <script l
用preg_match_all函数如何获取到http://img1.paipaiimg.com/f5909df4/item-0EA6ACB3-C9B61F500000000000493B5D080DAEB4.0.300x300.jpg我用preg_match_all('/2.jpg ","","","",""],["(.*) ","","","",""],["/iU',$content1,$url,PREG_PATTERN_ORDER); //采集图片标题
print_r($url).'<br>';
exit;但是报错，高手帮帮忙

解决方案 »

  1.   

    <?php
    $patten = '/"(http:\/\/.*\.(jpg|png|jpeg)\s?)"/isU';
    $str=<<<HTML
    ["http://img1.paipaiimg.com/637cde14/item-0EA6ACB3-C9B61F500000000000493B5D080DAEB4.0.jpg","","","",""],["http://img1.paipaiimg.com/46f8f8ea/item-0EA6ACB3-C9B61F500000000000493B5D080DAEB4.0.jpg.2.jpg ","","","",""],["http://img1.paipaiimg.com/f5909df4/item-0EA6ACB3-C9B61F500000000000493B5D080DAEB4.0.300x300.jpg ","","","",""],["http://img1.paipaiimg.com/5e7ab71c/item-0EA6ACB3-C9B61F500000000000493B5D080DAEB4.0.jpg.3.jpg ","","","",""]] }; <script l
    HTML;
    preg_match_all($patten,$str,$matches);
    print_r($matches[1]);