PHP some practical self-made methods

Source: Internet
Author: User
Tags error handling

JSON garbled to Chinese

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

Curl Crawler

Function _grab($curl,$postInfo=‘‘,$cookie=‘‘,$referer=‘‘,$userAgent=‘‘){
     $ch = curl_init();
     Curl_setopt($ch, CURLOPT_URL, $curl);
     / / No output header
     Curl_setopt($ch, CURLOPT_HEADER, 0);
     / / Returns the obtained information as a string, not directly output
     Curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     / / If it is a https link, do not verify the certificate
     If(preg_match(‘/https/i‘, $curl)){
         Curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
     //Add a cookie
     / / Analog to the road
         Curl_setopt($ch, CURLOPT_REFERER, $referer);
     / / Simulation environment
         Curl_setopt($ch, CURLOPT_USERAGENT, $userAgent);
     //carried out
     $content = curl_exec($ch);
     / / Error handling
     If ($content === false) {
       Return "Network request error:" . curl_error($ch);
     Return $content;

PHP some practical self-made methods

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