expression_bench.php

<?php

require_once 'vendor/autoload.php';

$expressionLang = new \Symfony\Component\Security\Core\Authorization\ExpressionLanguage(
    new \Symfony\Component\Cache\Adapter\NullAdapter()
);

$iterations = 500000;
$rawExpression = "1 in [1, 2, 3, 4] and (1 == 2 or 1 > 2 or 'foo' in ['bar', 'foo'])";

$expression = new \Symfony\Component\ExpressionLanguage\Expression($rawExpression);
$time = microtime(true);
foreach (range(0, $iterations) as $i) {
    $expressionLang->evaluate($expression);
}
echo "raw:    " . (microtime(true) - $time) . "s \n";

$parsedExpression = $expressionLang->parse($rawExpression, []);
$expression = new \Symfony\Component\ExpressionLanguage\SerializedParsedExpression(
    $rawExpression,
    serialize($parsedExpression->getNodes())
);
$time = microtime(true);
foreach (range(0, $iterations) as $i) {
    $expressionLang->evaluate($expression);
}
echo "parsed: " . (microtime(true) - $time) . "s \n";