3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Node {} $firstNode = new Node(); $circularDoublyLinkedList = $firstNode; for ($i = 0; $i < 200000; $i++) { $currentNode = $circularDoublyLinkedList; $nextNode = $circularDoublyLinkedList->next; $newNode = new Node(); $currentNode->next = $newNode; $newNode->next = $nextNode; }

Abusive script

This script was stopped while abusing our resources

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.4.20.0140.00719.68
8.4.10.0030.01619.43
8.3.150.0070.00717.25
8.3.140.0070.00716.89
8.3.130.0030.00616.84
8.3.120.0140.00618.32
8.3.110.0200.00018.59
8.3.50.0100.01018.53
8.2.260.0130.00617.07
8.2.250.0100.01018.45
8.2.240.0060.00318.39
8.2.230.0050.00318.41
8.1.310.0590.04679.61
8.1.300.0600.04079.16

preferences:
31.85 ms | 403 KiB | 5 Q