<?php
/**
 * PHP 5.5-like password hashing functions
 *
 * Provides a password_hash() and password_verify() function as appeared in PHP 5.5.0
 * 
 * See: http://php.net/password_hash and http://php.net/password_verify
 * 
 * @link https://github.com/Antnee/phpPasswordHashingLib
 */

require_once('PhpPasswordLib.php');

if (!function_exists('password_hash')){
    function password_hash($password, $algo=PASSWORD_DEFAULT, $options=array()){
        $crypt = NEW Antnee\PhpPasswordLib\PhpPasswordLib;
        $crypt->setAlgorithm($algo);
        
        $debug  = isset($options['debug'])
                ? $options['debug']
                : NULL;
        
        $password = $crypt->generateCryptPassword($password, $options, $debug);
        
        return $password;
    }
}

if (!function_exists('password_verify')){
    function password_verify($password, $hash){
        return (crypt($password, $hash) === $hash);
    }
}

if (!function_exists('password_needs_rehash')){
    function password_needs_rehash($hash, $algo, $options=array()){
        $crypt = NEW Antnee\PhpPasswordLib\PhpPasswordLib;
        return !$crypt->verifyCryptSetting($hash, $algo, $options);
    }
}

if (!function_exists('password_get_info')){
    function password_get_info($hash){
        $crypt = NEW Antnee\PhpPasswordLib\PhpPasswordLib;
        return $crypt->getInfo($hash);
    }
}