memory_get_peak_usage tracker function

memory_get_peak_usage.php

<?php
function mpu($label = '', $real_usage = false){ 
    //return false; // disable
    $mpu = round(memory_get_peak_usage($real_usage) / 1024 / 1024, 2); 
    $text = "{$label} {$mpu} MB"; 
    if (function_exists('dump')) 
        dump($text); 
    else 
        echo "<div style='background-color:black; color:white;padding: 1em;'>{$text}</div>"; 
}