- var_dump: documentation ( source)
- memory_get_peak_usage: documentation ( source)
<?php
echo memory_get_peak_usage() . "\n";
$var = ['hallo'];
var_dump($var);
echo memory_get_peak_usage() . "\n";
$var['test'] = 'hallo2';
var_dump($var);
echo memory_get_peak_usage() . "\n";