Track PHP Execution Time

Track-PHP-Execution-Time.php

<?php

// The 'microtime' code can be included in any method or application to track the script run time.
function test()
{
    // Get the (negative) current UNIX timestamp in milliseconds
    $time = -microtime(true); 

    // Run some code
    $hash = 0; 
    for ($i=0; $i < rand(1000,4000); ++$i)
    { 
        $hash ^= md5(substr(str_shuffle("0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"), 0, rand(1,10)));
    }

    // Add the current UNIX timestamp to the previous (negative) timestamp
    $time += microtime(true);

    // Print out an execution message
    echo "Hash: $hash iterations: " . sprintf('%0.4f', $time) . " seconds: ";
}

?>