3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo memory_get_peak_usage(), PHP_EOL; $a = range(1, 10000); $a[9998] = 0; echo memory_get_peak_usage(), PHP_EOL; // 380824 // 874320 // 381368 // 1464752

preferences:
62.44 ms | 402 KiB | 5 Q