3v4l.org

run code in 500+ PHP versions simultaneously
<?php $factorial = function (int $n) use (&$factorial) { if ($n === 1) { return 1; } return $factorial($n - 1) * $n; }; print $factorial(5);

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)
8.5.60.0110.00616.85
8.5.50.0110.00516.68
8.5.30.0130.00419.84
8.5.20.0100.00820.11
8.5.10.0080.01416.72
8.5.00.0080.01419.91
8.4.210.0070.00419.41
8.4.180.0140.00722.08
8.4.170.0120.00922.04
8.4.160.0110.01121.94
8.4.150.0070.00516.79
8.4.140.0140.00717.34
8.4.130.0060.00518.02
8.4.120.0120.00820.54
8.4.110.0110.00922.23
8.4.100.0110.01017.71
8.4.90.0140.00717.69
8.4.80.0120.00819.67
8.4.70.0100.01217.69
8.4.60.0390.00817.59
8.4.50.0390.00817.67
8.4.40.0400.00916.96
8.4.30.0400.00917.08
8.4.20.0430.00917.21
8.4.10.0400.00717.20
8.3.300.0120.00820.64
8.3.290.0110.00920.84
8.3.280.0150.00618.38
8.3.270.0140.00616.38
8.3.260.0130.00716.72
8.3.250.0090.00318.88
8.3.240.0150.00416.40
8.3.230.0100.00616.49
8.3.220.0100.00916.63
8.3.210.0090.00916.79
8.3.200.0360.01116.54
8.3.190.0340.00816.59
8.3.180.0410.00616.54
8.3.170.0410.00916.23
8.3.160.0330.00616.14
8.3.150.0460.00716.55
8.3.140.0380.00816.20
8.3.130.0270.01116.29
8.3.120.0330.00916.50
8.3.110.0330.00916.35
8.3.100.0400.00816.27
8.3.90.0340.01116.58
8.3.80.0330.00816.48
8.3.70.0280.01016.35
8.3.60.0270.00816.50
8.3.50.0300.01216.30
8.3.40.0340.01117.55
8.3.30.0270.00817.48
8.3.20.0330.00817.62
8.3.10.0310.00817.50
8.3.00.0130.01517.48
8.2.300.0120.00920.43
8.2.290.0120.00820.51
8.2.280.0310.01116.52
8.2.270.0420.00816.59
8.2.260.0280.01216.52
8.2.250.0260.01016.42
8.2.240.0270.00816.36
8.2.230.0310.00716.39
8.2.220.0350.00516.55
8.2.210.0290.01216.14
8.2.200.0330.00616.50
8.2.190.0300.00916.49
8.2.180.0330.00916.29
8.2.170.0360.01017.51
8.2.160.0260.00317.55
8.2.150.0170.00317.37
8.2.140.0140.00417.49
8.2.130.0160.00317.38
8.2.120.0380.00417.55
8.2.110.0290.00817.51
8.2.100.0230.01317.29
8.2.90.0350.00617.51
8.2.80.0310.00917.09
8.2.70.0370.00417.22
8.2.60.0290.01117.44
8.2.50.0320.01017.37
8.2.40.0280.01017.39
8.2.30.0290.00917.48
8.2.20.0250.00917.49
8.2.10.0340.00517.20
8.2.00.0330.00816.98
8.1.340.0120.01020.23

preferences:
46.38 ms | 843 KiB | 5 Q