Goracash/goracash-api-php-client

<?php
/**
 * Copyright 2015 Goracash
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Goracash;

/**
 * Collection of static utility methods used for convenience across
 * the client library.
 */
class Utils
{
    /**
     * Normalize all keys in an array to lower-case.
     * @param array $arr
     * @return array Normalized array.
     */
    public static function normalize($arr)
    {
        if (!is_array($arr)) {
            return array();
        }

        $normalized = array();
        foreach ($arr as $key => $val) {
            $normalized[strtolower($key)] = $val;
        }
        return $normalized;
    }

    /**
     * @param $date
     * @return bool
     */
    public static function isSystemDate($date)
    {
        if (!isset($date) || $date == '') {
            return false;
        }
        $match = explode('-', $date);
        if (count($match) != 3) {
            return false;
        }
        list($year, $month, $day) = $match;
        if ((int)$year == 0 || (int)$month == 0 || (int)$day == 0) {
            return false;
        }
        return checkdate((int)$month, (int)$day, (int)$year);
    }

    public static function normalizeEmail($email)
    {
        return strtolower(str_replace(' ', '', trim($email)));
    }

    /**
     * @param $text
     * @return bool
     */
    public static function isEmpty($text)
    {
        $text = trim($text);
        $text = str_replace("\r\n", "\n", $text);
        $text = trim(str_replace("\n", null, $text));
        return $text == '';
    }

    /**
     * @param $email
     * @return bool
     */
    public static function isEmail($email)
    {
        $email = static::normalizeEmail($email);
        return (bool) preg_match('#^[\w][\w.-]*[\w]@[\w.-]+\.[a-zA-Z]{2,6}$#', $email);
    }

    /**
     * @param $zipcode
     * @return bool
     */
    public static function isZipcode($zipcode)
    {
        return (bool) preg_match('/^((2[A|B])|[0-9]{2})[0-9]{3}$/', $zipcode);
    }

    /**
     * @params $phone
     * @return bool
     */
    public static function isInternationalNumber($phone)
    {
        return (bool) preg_match('/^00([0-9]+)$/', $phone);
    }

    /**
     * @param $datetime
     * @return bool
     */
    public static function isSystemDatetime($datetime)
    {
        if (!isset($datetime) || $datetime == '') {
            return false;
        }
        $match = explode(' ', $datetime);
        if (count($match) != 2) {
            return false;
        }

        list($date, $time) = $match;
        $isDate = static::isSystemDate($date);
        $isTime = static::isValidHour($time);

        return ($isDate && $isTime);
    }

    /**
     * Check for time validity
     * @param string $time in H:i format
     * @return boolean
     */
    public static function isValidHour($time)
    {
        $result = preg_match('/^([0-9]{1,2}):([0-9]{1,2})(?::([0-9]{1,2}))?$/', $time, $regs);
        if ($result) {
            $hour = $regs[1];
            $minutes = $regs[2];
            $result = ($hour >= 0 && $hour < 24) && ($minutes >= 0 && $minutes < 60);
            if ($result && isset($regs[3])) {
                $seconds = $regs[3];
                $result = $seconds >= 0 && $seconds < 60;
            }
        }
        return $result;
    }

    public static function isOutOfLimit($startDate, $endDate, $limit)
    {
        $startEpoch = strtotime($startDate);
        $limitEpoch = strtotime("+{$limit}", $startEpoch);
        $endEpoch = strtotime($endDate);
        return $endEpoch > $limitEpoch;
    }

    /**
     * Concatenate paths, making sure there is no double path separator
     **/
    public static function concatPath()
    {
        $args = func_get_args();
        $len = count($args);
        if ($len == 0) {
            return '';
        }
        $path = $args[0];
        for ($i = 1; $i < $len; $i++) {
            $path = rtrim($path, '/') . '/' . ltrim($args[$i], '/');
        }
        return $path;
    }

    public static function now()
    {
        return date('Y-m-d H:i:s');
    }
}