PHP combined with regular batch crawl Web page _php instance of e-mail address

PHP How to crawl the email address in the Web page, I will share with you a PHP crawl Web page in the e-mail instance.

<?php
  $url = ' http://www.jb51.net ';//The URL to be collected 
  $content =file_get_contents ($url);
  echo $content;
  function Getemail ($str) {
  //$pattern = '/([a-z0-9]*[-_\.]? [a-z0-9]+) *@ ([a-z0-9]*[-_]?[ a-z0-9]+) +[\.] [A-z] {2,3} ([\.] [A-z] {2})? /i ";
  $pattern = "/([a-z0-9\-_\.] +@[a-z0-9]+\. [A-z0-9\-_\.] +)/";
  Preg_match_all ($pattern, $str, $EMAILARR);
 
  return $EMAILARR [0];
  }
  Print_r (Getemail ($content));
  >

Method 2:

<?php 
$url = ' http://www.jb51.net ';//When the page has left a mailbox
$content =file_get_contents ($url);             Get page content
function Getemail ($str) {                 //matching mailbox content
$pattern = "/([a-z0-9\-_\.] +@[a-z0-9]+\. [A-z0-9\-_\.] +)/"; 
Preg_match_all ($pattern, $str, $EMAILARR); 
return $EMAILARR [0]; 
} 
Print_r (Getemail ($content)); 
>

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