php一些實用的自製方法

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//json亂碼轉中文

function decodeUnicode($str){  return preg_replace_callback(‘/\\\\u([0-9a-f]{4})/i‘,    create_function(      ‘$matches‘,      ‘return mb_convert_encoding(pack("H*", $matches[1]), "UTF-8", "UCS-2BE");‘    ),    $str);}

 

 

curl爬蟲

function _grab($curl,$postInfo=‘‘,$cookie=‘‘,$referer=‘‘,$userAgent=‘‘){     $ch = curl_init();       curl_setopt($ch, CURLOPT_URL, $curl);       //不輸出頭     curl_setopt($ch, CURLOPT_HEADER, 0);        //以字串返回擷取的資訊，不直接輸出     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);     //如果是https連結，不驗證認證     if(preg_match(‘/https/i‘, $curl)){         curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);     }     //POST     if($postInfo){        curl_setopt($ch,CURLOPT_POST,1);        curl_setopt($ch,CURLOPT_POSTFIELDS,$postInfo);     }     //加入cookie     if($cookie){         curl_setopt($ch,CURLOPT_COOKIE,$cookie);     }     //類比來路     if($referer){         curl_setopt($ch, CURLOPT_REFERER, $referer);     }     //類比環境     if($userAgent){         curl_setopt($ch, CURLOPT_USERAGENT, $userAgent);     }     //執行     $content = curl_exec($ch);       //錯誤處理     if ($content  === false) {         return "網路請求出錯: " . curl_error($ch);         exit();       }       return $content;}

 

php一些實用的自製方法