- microtime: documentation ( source)
- unserialize: documentation ( source)
- serialize: documentation ( source)
- number_format: documentation ( source)
<?php
$time = microtime(true);
$i=0;
while($i < 60000) {
unserialize(serialize(array('a'=>'b','c'=>'d')));
}
$time = microtime(true) - $time;
echo 'array_diff() took ' . number_format($time, 3) . ' seconds and returned ' . count($data_diff1) . " entries\n";