php正则匹配html中带class的div并选取其中内容的方法_php技巧
本文实例讲述了php正则匹配html中带class的div并选取其中内容的方法。分享给大家供大家参考。具体分析如下:
先看一段html代码:
潮汐表数据仅供参考
潮时 (Hrs) | 00:58 |
05:20 |
13:28 |
21:15 |
潮高 (cm) | 161 | 75 | 288 | 127 |
时区:-1000 (东10区) 潮高基准面:在平均海平面下174CM
这是源程序里边的一部分,为了容易看懂,删减了一大部分,只取
首页先用file_get_content或curl获取内容部分,我用的是curl。
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt( $ch, CURLOPT_HEADER, 0 );
curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt( $ch, CURLOPT_POSTFIELDS, $data );
$return = curl_exec( $ch );
curl_close( $ch );
$regex4="/
if(preg_match_all($regex4, $return, $matches)){
print_r($matches);
}else{
echo '0';
}
这样就可以了,不多解释,懂PHP的看代码,打印看一下效果。
希望本文所述对大家的php程序设计有所帮助。

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