EmailValidator/tests/Performance/AgainstOldIsemail.php

<?php

use Egulias\EmailValidator\EmailValidator;

require __DIR__ . '/../../vendor/autoload.php';

$iterations = 10000;

$testingMail = 'example@example.com';
echo 'Testing ' . $iterations . ' iterations with ' . $testingMail . PHP_EOL;

$a = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    $isValid = is_email($testingMail);
}
$b = microtime(true);
echo ($b - $a) . ' seconds with is_email' . PHP_EOL;

$a = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    $validator = new EmailValidator();
    $isValid = $validator->isValid($testingMail, new \Egulias\EmailValidator\Validation\RFCValidation());
}
$b = microtime(true);
echo ($b - $a) . ' seconds with EmailValidator + instantiation' . PHP_EOL;

$a = microtime(true);
$validator = new EmailValidator();
for ($i = 0; $i < $iterations; $i++) {
    $isValid = $validator->isValid($testingMail, new \Egulias\EmailValidator\Validation\RFCValidation());
}
$b = microtime(true);
echo ($b - $a) . ' seconds with EmailValidator once instanced' . PHP_EOL;