接続の検出

  
    

   
     
   
      1 
   
     <?
   
     php 
   
      2 
   
      
   
      3 
   
     
   
     /*
   
     * 
   
      4 
   
      *                 
   
      5 
   
      * @param string $reurl 
   
      6 
   
      * @return boolean 
   
      7 
   
      
   
     */
   
      
   
      8 
   
     
   
     function
   
      check_url(
   
     array
   
      
   
     $arr
   
     ){ 
   
      9 
   
      
   
     $siteUrl
   
      
   
     =
   
      
   
     "
   
     http://www.haojumei.com
   
     "
   
     ; 
   
     10 
   
      
   
     $reurlArr
   
      
   
     =
   
      
   
     parse_url
   
     (
   
     $arr
   
     [
   
     '
   
     reurl
   
     '
   
     ]); 
   
     11 
   
      
   
     $urlArr
   
      
   
     =
   
      
   
     parse_url
   
     (
   
     $arr
   
     [
   
     '
   
     url
   
     '
   
     ]); 
   
     12 
   
      
   
     $found
   
      
   
     =
   
      
   
     false
   
     ; 
   
     13 
   
      
   
     if
   
     (
   
     $reurlArr
   
     [
   
     '
   
     host
   
     '
   
     ] 
   
     ==
   
      
   
     $urlArr
   
     [
   
     '
   
     host
   
     '
   
     ]){ 
   
     14 
   
      
   
     $html
   
      
   
     =
   
      
   
     file_get_contents
   
      ( 
   
     $arr
   
     [
   
     '
   
     reurl
   
     '
   
     ] ); 
   
     15 
   
      
   
     $html
   
      
   
     =
   
      
   
     strtolower
   
      ( 
   
     $html
   
      ); 
   
     16 
   
      
   
     $site_url
   
      
   
     =
   
      
   
     strtolower
   
      ( 
   
     $siteUrl
   
      ); 
   
     17 
   
      
   
     if
   
      (
   
     preg_match_all
   
      ( 
   
     '
   
     /<a\s[^>]*href=([\"\']??)([^" >]*?)\\1([^>]*)>/siU
   
     '
   
     ,
   
      
   
     $html
   
     ,
   
      
   
     $matches
   
     ,
   
      PREG_SET_ORDER )) { 
   
     18 
   
      
   
     foreach
   
      ( 
   
     $matches
   
      
   
     as
   
      
   
     $match
   
      ) { 
   
     19 
   
      
   
     if
   
      (
   
     $match
   
      [
   
     2
   
     ] 
   
     ==
   
      
   
     $siteUrl
   
      
   
     ||
   
      
   
     $match
   
      [
   
     2
   
     ] 
   
     ==
   
      
   
     $siteUrl
   
      
   
     .
   
      
   
     '
   
     /
   
     '
   
     ) { 
   
     20 
   
      
   
     $found
   
      
   
     =
   
      
   
     true
   
     ; 
   
     21 
   
      
   
     break
   
     ; 
   
     22 
   
      } 
   
     23 
   
      } 
   
     24 
   
      } 
   
     25 
   
      } 
   
     26 
   
      
   
     return
   
      
   
     $found
   
     ; 
   
     27 
   
     }