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@ 2014-01-05T10:19:10Z

<?php
function usage()
{
    if (function_exists('memory_get_usage')) {
		return memory_get_usage(true);
    } else {
        return '?';
    }
}
echo usage()."\n";
$x = '.';
$a = '';
for ($i=0;$i<1000;$i++)
    //$a = "$a$x";
    $a = $a.$x;

echo usage()."\n";
unset($a,$x);
echo usage()."\n";

Output
Performance
VLD
References
Branches

function_exists: documentation ( source)
memory_get_usage: documentation ( source)

preferences:dark modelive preview

31.78 ms | 402 KiB | 5 Q