nanosanteservice/app/Helpers/common.php

<?php

if (!function_exists('compressImage')) {
    function compressImage($source, $destination, $quality)
    {
        // Get image info
        $imgInfo = getimagesize($source);
        $mime = $imgInfo['mime'];

        // Create a new image from file
        switch ($mime) {
            case 'image/jpeg':
                $image = imagecreatefromjpeg($source);
                break;
            case 'image/png':
                $image = imagecreatefrompng($source);
                break;
            case 'image/gif':
                $image = imagecreatefromgif($source);
                break;
            default:
                $image = imagecreatefromjpeg($source);
        }

        // Save image
        imagejpeg($image, $destination, $quality);

        // Return compressed image
        return $destination;
    }
}

if (!function_exists('checkPassword')) {
    function checkPassword($password, $encrypted_password, $salt)
    {
        $encrypted_password_to_check = base64_encode(sha1($password . $salt, true) . $salt);
        return $encrypted_password_to_check == $encrypted_password;
    }
}

if (!function_exists('generateTransactionCode')) {
    function generateTransactionCode($length = 12)
    {
        $characters = '23456789ABCDEFGHJKLMNOPQRSTUVWXYZ';
        $charactersLength = strlen($characters);
        $randomString = '';
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, $charactersLength - 1)];
        }
        return $randomString;
    }
}

if (!function_exists('array_has_dupes')) {
    function array_has_dupes(array $array)
    {
        return count($array) !== count(array_unique($array));
    }
}