wpcf7_captcha_validation_filter

The Contact Form 7 wpcf7 captcha validation filter function.

Description

wpcf7_captcha_validation_filter( $result, $tag ); 

Parameters (2)

0. $result
The result.
1. $tag
The tag.

Usage

  1. if ( !function_exists( 'wpcf7_captcha_validation_filter' ) ) { 
  2. require_once ABSPATH . PLUGINDIR . 'contact-form-7/modules/really-simple-captcha.php'; 
  3.  
  4. // The result. 
  5. $result = null; 
  6.  
  7. // The tag. 
  8. $tag = null; 
  9.  
  10. // NOTICE! Understand what this does before running. 
  11. $result = wpcf7_captcha_validation_filter($result, $tag); 
  12.  

Defined (1)

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

/modules/really-simple-captcha.php  
  1. function wpcf7_captcha_validation_filter( $result, $tag ) { 
  2. $tag = new WPCF7_FormTag( $tag ); 
  3.  
  4. $type = $tag->type; 
  5. $name = $tag->name; 
  6.  
  7. $captchac = '_wpcf7_captcha_challenge_' . $name; 
  8.  
  9. $prefix = isset( $_POST[$captchac] ) ? (string) $_POST[$captchac] : ''; 
  10. $response = isset( $_POST[$name] ) ? (string) $_POST[$name] : ''; 
  11. $response = wpcf7_canonicalize( $response ); 
  12.  
  13. if ( 0 == strlen( $prefix ) || ! wpcf7_check_captcha( $prefix, $response ) ) { 
  14. $result->invalidate( $tag, wpcf7_get_message( 'captcha_not_match' ) ); 
  15.  
  16. if ( 0 != strlen( $prefix ) ) { 
  17. wpcf7_remove_captcha( $prefix ); 
  18.  
  19. return $result;