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原标题:Check a url in content(page) other url by php(codeigniter)

我使用密码调子,如果在内容上有色谱,则想要检查,那么返回确实是假的。

例如,希望打字,以便:http://chat.stackoverflow.com/。 页: 1

我尝试的是,它有错误:

<?php
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, http://stackoverflow.com/ );
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $contents = curl_exec($ch);
    curl_close($ch);
    $link="http://chat.stackoverflow.com/"; 
    if(preg_match($link,$contents) && stripos($contents,"chat.stackoverflow")){
      echo "yes";
    }else{
    echo "no";
    }
?>

产出如下:


Warning: preg_match(): Delimiter must not be alphanumeric or backslash in /code/O4savv on line 8
no

Demo:http://codepad.viper-7.com/O4savv”rel=“nofollow” http://codepad.viper-7.com/O4savv

如何解决这一问题?

最佳回答

你们需要为经常表达方式增加一个领先的、结束的冲锋。 此外,还避免了作为你为避免冲突而重新努力的格局的一部分的前沿冲突。

$link="/http://chat.stackoverflow.com/"; 

http://codepad.viper-7.com/PWMzl

问题回答

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