3v4l.org

run code in 500+ PHP versions simultaneously
<?php echo $uninitialised_variable, "Have I crashed yet?";

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)
8.5.70.0120.00316.80
8.5.60.0110.00716.81
8.5.50.0060.00116.75
8.5.30.0190.00816.65
8.4.220.0110.01019.29
8.4.210.0090.01219.57
8.4.180.0320.01119.71
8.4.90.0050.00417.79
8.3.310.0080.01419.77
8.3.300.0310.01018.00
8.3.180.0050.00216.74
8.3.50.0080.01016.68
8.2.310.0130.00618.17
8.2.300.0220.00817.84
8.2.00.0240.01117.85
8.1.00.0270.00717.57
7.4.80.0190.01216.40
7.4.00.0190.00616.41
7.2.00.0190.00916.71
5.6.400.0280.00915.86

preferences:
40.39 ms | 567 KiB | 5 Q