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

if ( !function_exists( 'wpcf7_captcha_validation_filter' ) ) { 
    require_once ABSPATH . PLUGINDIR . 'contact-form-7/modules/really-simple-captcha.php'; 
} 
  
// The result. 
$result = null; 
  
// The tag. 
$tag = null; 
  
// NOTICE! Understand what this does before running. 
$result = wpcf7_captcha_validation_filter($result, $tag);

Defined (1)

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

/modules/really-simple-captcha.php

function wpcf7_captcha_validation_filter( $result, $tag ) { 
    $tag = new WPCF7_FormTag( $tag ); 
 
    $type = $tag->type; 
    $name = $tag->name; 
 
    $captchac = '_wpcf7_captcha_challenge_' . $name; 
 
    $prefix = isset( $_POST[$captchac] ) ? (string) $_POST[$captchac] : ''; 
    $response = isset( $_POST[$name] ) ? (string) $_POST[$name] : ''; 
    $response = wpcf7_canonicalize( $response ); 
 
    if ( 0 == strlen( $prefix ) || ! wpcf7_check_captcha( $prefix, $response ) ) { 
        $result->invalidate( $tag, wpcf7_get_message( 'captcha_not_match' ) ); 
    } 
 
    if ( 0 != strlen( $prefix ) ) { 
        wpcf7_remove_captcha( $prefix ); 
    } 
 
    return $result; 
}