how to build token using php code example

Example 1: generate token in php

<?php

// Thanks to: https://thisinterestsme.com/generating-random-token-php/

//Generate a random string.
$token = openssl_random_pseudo_bytes(16);
 
//Convert the binary data into hexadecimal representation.
$token = bin2hex($token);
 
//Print it out for example purposes.
echo $token;

?>

Example 2: php token

class token {
    public $type;
    public $token;
    public $val;

    public function __construct($type, $token, $val) {
        $this->type = $type;
        $this->token = $token;
        $this->val = $val;
    }
}

Example 3: php token

define("IS_OPERATOR", 0);
define("IS_OPERAND", 1);