<?php
// phpmemory.php

ini_set('memory_limit', '64M');

print 'Base: ' . memory_get_usage() . '<br />';
$pattern = str_repeat("0123456789", 1000);

print 'Clear: ' . memory_get_usage() . ' | ';
$fill = str_repeat($pattern, 1000);
print '1000 x 10000 chars: ' . memory_get_usage() . '<br />';

unset($fill);
print 'Clear: ' . memory_get_usage() . ' | ';
$fill = str_repeat($pattern, 2000);
print '2000 x 10000 chars: ' . memory_get_usage() . '<br />';

unset($fill);
print 'Clear: ' . memory_get_usage() . ' | ';
$fill = str_repeat($pattern, 3000);
print '3000 x 10000 chars: ' . memory_get_usage() . '<br />';

unset($fill);
print 'Clear: ' . memory_get_usage() . ' | ';
$fill = str_repeat($pattern, 4000);
print '4000 x 10000 chars: ' . memory_get_usage() . '<br />';

unset($fill);
print 'Clear: ' . memory_get_usage() . ' | ';
$fill = str_repeat($pattern, 5000);
print '5000 x 10000 chars: ' . memory_get_usage() . '<br />';

unset($fill);
print 'Clear: ' . memory_get_usage() . ' | ';
$fill = str_repeat($pattern, 6000);
print '6000 x 10000 chars: ' . memory_get_usage() . '<br />';

unset($fill);
print 'Clear: ' . memory_get_usage() . ' | ';
$fill = str_repeat($pattern, 7000);
print '7000 x 10000 chars: ' . memory_get_usage() . '<br />';

unset($fill);
print 'Clear: ' . memory_get_usage() . ' | ';
$fill = str_repeat($pattern, 8000);
print '8000 x 10000 chars: ' . memory_get_usage() . '<br />';

unset($fill);
print 'Clear: ' . memory_get_usage() . ' | ';
$fill = str_repeat($pattern, 9000);
print '9000 x 10000 chars: ' . memory_get_usage() . '<br />';


?>