File Source for function.captcha.php

<?php
/**
* Smarty plugin
* @package Smarty
* @subpackage plugins
*/
/**
* Initialise third party libraries
*/
require_once( USERS_PKG_PATH.'classes/recaptchalib.php' );
require_once( USERS_PKG_PATH.'classes/solvemedialib.php' );
/**
* smarty_function_captcha
*/
function smarty_function_captcha( $pParams, &$gBitSmarty ) {
global $gBitSystem, $gBitUser;
if( !empty( $pParams['force'] ) || empty( $_SESSION['captcha_verified'] ) && !$gBitUser->hasPermission( 'p_users_bypass_captcha' ) ) {
$pParams['size'] = !empty( $pParams['size'] ) ? $pParams['size'] : '5';
$pParams['variant'] = !empty( $pParams['variant'] ) ? $pParams['variant'] : 'condensed';
if( !empty( $pParams['errors'] ) ) {
$gBitSmarty->assign( 'errors', $pParams['errors'] );
}
if( $gBitSystem->isFeatureActive( 'liberty_use_captcha_freecap' ) ) {
$pParams['source'] = UTIL_PKG_URL."freecap/freecap.php";
} else {
$getString = 'size='.$pParams['size'];
if( @BitBase::verifyId( $pParams['width'] ) ) {
$getString .= '&width='.$pParams['width'];
}
if( @BitBase::verifyId( $pParams['height'] ) ) {
$getString .= '&height='.$pParams['height'];
}
$pParams['source'] = USERS_PKG_URL."captcha_image.php?$getString";
}
$gBitSmarty->assign( 'params', $pParams );
print $gBitSmarty->fetch( "bitpackage:kernel/captcha.tpl" );
}
}
?>

Source for file function.captcha.php