gde_valid_url

The Google Doc Embedder gde valid url function.

Description

gde_valid_url( $url, (string) $method = 'head', (int) $stop = 0 ); 

Parameters (3)

0. $url
The url.
1. $method — Optional. (string) => 'head'
The method.
2. $stop — Optional. (int)
The stop.

Usage

  1. if ( !function_exists( 'gde_valid_url' ) ) { 
  2.     require_once ABSPATH . PLUGINDIR . 'google-doc-embedder/functions.php'; 
  3. } 
  4.   
  5. // The url. 
  6. $url = null; 
  7.   
  8. // The method. 
  9. $method = 'head'; 
  10.   
  11. // The stop. 
  12. $stop = -1; 
  13.   
  14. // NOTICE! Understand what this does before running. 
  15. $result = gde_valid_url($url, $method, $stop); 
  16.     

Defined (1)

The function is defined in the following location(s).

/functions.php  
  1. function gde_valid_url( $url, $method = "head", $stop = 0 ) { 
  2.  
  3.     if ( $method == "head" ) { 
  4.         $result = wp_remote_head( $url ); 
  5.     } elseif ( $stop == 0 ) { 
  6.         $stop++; 
  7.         $result = wp_remote_get( $url ); 
  8.     } else { 
  9.         gde_dx_log("can't get URL to test; skipping"); 
  10.         return false; 
  11.     } 
  12.      
  13.     if ( is_array( $result ) ) { 
  14.         $code = $result['response']['code']; 
  15.         if ( ! empty( $code ) && ( $code == "301" || $code == "302" ) ) { 
  16.             // HEADrequestsdon't redirect. Probably a file/directory with spaces in it... 
  17.             return gde_valid_url( $url, 'get', $stop ); 
  18.         } else { 
  19.             // capture file size if determined 
  20.             if ( isset( $result['headers']['content-length'] ) ) { 
  21.                 $result['response']['fsize'] = $result['headers']['content-length']; 
  22.             } else { 
  23.                 $result['response']['fsize'] = ''; 
  24.             } 
  25.             return $result['response']; 
  26.         } 
  27.     } elseif ( is_wp_error( $result ) ) { 
  28.         // unable to get head 
  29.         $error = $result->get_error_message(); 
  30.         gde_dx_log("bypassing URL check; cant validate URL $url: $error"); 
  31.         return false; 
  32.     } else { 
  33.         gde_dx_log("cant determine URL validity; skipping"); 
  34.         return false; 
  35.     } 
  36. }