PHP: Speed test placeholder

php_speed_test.php

<?php

// Adapted from: https://r.je/sprintf.html

$iterations = 500000;

$t1 = microtime(true);
for ($i = 0; $i < $iterations; $i++) {

    // Test operation 1 here

}
$t2 = microtime(true);
echo 'strongTest1: ' . ($t2-$t1); 

echo '<br />';

$t1 = microtime(true);
for ($i = 0; $i < $iterations; $i++) {

    // Test operation 2 here

}
$t2 = microtime(true);
echo 'Test2: ' . ($t2-$t1); 
echo '<br />';

die;