proxy PHP script for handling UCM customer signups

signup.php

<?php 

// upload this signup.php form to your website then change the UCM form action="" to this signup.php file (e.g. <form action="http://yourwebsite.com/signup.php"> )

// CHANGE THIS URL TO YOUR UCM SIGNUP URL
$url = "http://yourwebsite.com/ucm/ext.php?m=customer&h=public_signup"; 
$ch = curl_init($url);

// put your code here that does any local processing with form submit data

//print_r($_POST);

function flatten($array, $prefix = '', $depth = 0) {
    $result = array();
    foreach($array as $key=>$value) {
        if(is_array($value)) {
            $result = $result + flatten($value, $prefix . ($depth > 0 ? '['.$key .']' : $key), $depth+1);
        }
        else {
	        if($depth>0){
		        $result[$prefix . '[' . $key . ']'] = $value;
	        }else{
		        $result[$prefix . $key] = $value;
	        }
        }
    }
    return $result;
}
$data = flatten($_POST);

if(isset($_FILES) && is_array($_FILES)) {
	// todo. php5.5 use curlfile class
	foreach ( $_FILES as $file_key => $file_data ) {
		if ( isset( $file_data['name'] ) ) {
			$is_array = false;
			if ( ! is_array( $file_data['name'] ) ) {
				$file_data['name']     = array( $file_data['name'] );
				$file_data['type']     = array( $file_data['type'] );
				$file_data['tmp_name'] = array( $file_data['tmp_name'] );
				$file_data['error']    = array( $file_data['error'] );
				$file_data['size']     = array( $file_data['size'] );
			} else {
				// already an array of files.
				//$file_key = $file_key . '[]';
				$is_array = true;
			}
			foreach ( $file_data['tmp_name'] as $key => $tmp_name ) {
				if ( is_uploaded_file( $tmp_name ) ) {
					//$post_string .= '&' . urlencode($file_key) .'=@' . $tmp_name . ';filename=' . urlencode($file_data['name'][ $key ]).';type='.urlencode($file_data['type'][$key]);
					$cfile = curl_file_create($tmp_name, $file_data['type'][$key], $file_data['name'][ $key ]);
					//$cfile = '@' . $tmp_name . ';filename=' . urlencode($file_data['name'][ $key ]).';type='.urlencode($file_data['type'][$key]);
					if($is_array){
						if(!isset($data[$file_key])){
							$data[$file_key] = array();
						}
						$data[$file_key][] = $cfile;
					}else{
						$data[$file_key] = $cfile;
					}
				}
			}
		}
	}

}

// this is the URL of the OTHER website that will receive a copy of the form submission data
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
$response = curl_exec($ch);
//echo $response;
if(strpos($response,"Failed")){
	echo "The signup failed. Display your custom message here";
}else{
	echo "The signup worked. Display your custom message here or redirect here";
	//header("Location: http://google.com");
}