1. Go to this page and download the library: Download tobyberesford/mathexecutor library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
namespace MyNamespace;
use NXP\Classes\Token\AbstractOperator;
class ModulusToken extends AbstractOperator
{
/**
* Regex of this operator
* @return string
*/
public static function getRegex()
{
return '\%';
}
/**
* Priority of this operator
* @return int
*/
public function getPriority()
{
return 3;
}
/**
* Associaion of this operator (self::LEFT_ASSOC or self::RIGHT_ASSOC)
* @return string
*/
public function getAssociation()
{
return self::LEFT_ASSOC;
}
/**
* Execution of this operator
* @param InterfaceToken[] $stack Stack of tokens
* @return TokenNumber Result of execution
*/
public function execute(&$stack)
{
$op2 = array_pop($stack);
$op1 = array_pop($stack);
$result = $op1->getValue() % $op2->getValue();
return new TokenNumber($result);
}
}