- memory_get_usage: documentation ( source)
- number_format: documentation ( source)
<?php
class FOO {
public $f;
}
class BAR {
public $f;
}
for ($i = 0; $i < 1000; $i++) {
$a = new FOO();
$b = new BAR();
$a->f = $b;
$b->f = $a;
print "Memory usage: " . number_format(memory_get_usage(true)) . " bytes\n";
unset($a);
unset($b);
}