Check memory php use on server

server-use.php

<?php 

function print_mem() {
	$mem_usage = memory_get_usage();
	$mem_peak = memory_get_peak_usage();

	echo 'The script is now  using: <strong>' . round($mem_usage / 1024) .' KB<strong> of memory.<br>';
	echo 'Peak usage: <strong>' . round($mem_peak / 1024) .' KB<strong> of memory.<br>';
}
print_mem();