- var_dump: documentation ( source)
- memory_get_peak_usage: documentation ( source)
- range: documentation ( source)
<?php
$a=range(1, 500);
foreach($a as $k=>$v) {
}
var_dump(memory_get_peak_usage());
$a=range(1, 500);
foreach($a as $k=>$v) {
echo $v;
}
var_dump(memory_get_peak_usage());
foreach($a as $k=>$v) {
$a[$k]++;
}
var_dump(memory_get_peak_usage());