3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "α"; var_dump( ++$a); $b = "a"; var_dump(++$b);

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)
8.3.60.0070.00718.68
8.3.50.0110.01116.73
8.3.40.0160.00320.33
8.3.30.0080.00818.54
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0050.00326.16
8.2.180.0110.00316.38
8.2.170.0060.00918.80
8.2.160.0060.00622.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0090.00926.16
8.2.110.0060.00322.20
8.2.100.0060.00617.78
8.2.90.0080.00019.09
8.2.80.0000.00817.97
8.2.70.0000.01017.50
8.2.60.0030.00717.91
8.2.50.0030.00518.07
8.2.40.0050.00518.09
8.2.30.0000.00718.11
8.2.20.0030.00618.04
8.2.10.0150.00317.53
8.2.00.0140.00317.45
8.1.280.0070.01025.92
8.1.270.0030.01024.66
8.1.260.0000.00826.35
8.1.250.0140.00328.09
8.1.240.0090.00022.17
8.1.230.0080.00322.11
8.1.220.0000.00817.74
8.1.210.0090.00018.77
8.1.200.0060.00317.35
8.1.190.0090.00017.23
8.1.180.0000.00818.10
8.1.170.0040.00418.60
8.1.160.0040.00418.80
8.1.150.0130.00317.36
8.1.140.0100.00517.45
8.1.130.0120.00617.23
8.1.120.0100.00717.49
8.1.110.0040.01217.43
8.1.100.0110.00517.36
8.1.90.0110.00617.50
8.1.80.0120.00417.38
8.1.70.0110.00617.45
8.1.60.0060.00317.57
8.1.50.0000.01017.33
8.1.40.0070.00417.48
8.1.30.0140.00417.60
8.1.20.0120.00317.50
8.1.10.0140.00417.47
8.1.00.0190.00317.39
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0070.00018.28
8.0.270.0180.00016.60
8.0.260.0130.00416.78
8.0.250.0050.01016.78
8.0.240.0050.00916.69
8.0.230.0030.00816.90
8.0.220.0100.00316.82
8.0.210.0080.00416.64
8.0.200.0120.00416.66
8.0.190.0050.01416.75
8.0.180.0150.00016.74
8.0.170.0080.00516.88
8.0.160.0080.00816.67
8.0.150.0050.01116.72
8.0.140.0110.00716.67
8.0.130.0110.00416.73
8.0.120.0120.00416.64
8.0.110.0090.00916.73
8.0.100.0110.00716.66
8.0.90.0110.00616.74
8.0.80.0150.00016.70
8.0.70.0120.00416.70
8.0.60.0130.00416.67
8.0.50.0170.00016.58
8.0.30.0000.01516.59
8.0.20.0130.00316.71
8.0.10.0120.00016.74

preferences:
47.98 ms | 400 KiB | 5 Q