3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($x = 'A'; $x <= 'ZZ'; $x++) echo $x, ' ';

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)
8.3.60.0490.01616.50
8.3.50.0590.01822.98
8.3.40.0570.01318.50
8.3.30.0550.01618.95
8.3.20.0230.01320.03
8.3.10.0300.00720.36
8.3.00.0290.01019.38
8.2.180.0460.01316.32
8.2.170.0680.01622.96
8.2.160.0640.01320.52
8.2.150.0330.00724.18
8.2.140.0300.00724.66
8.2.130.0300.00726.16
8.2.120.0360.00320.88
8.2.110.0350.01319.31
8.2.100.0370.01717.78
8.2.90.0190.00817.84
8.2.80.0120.00619.82
8.2.70.0100.01017.50
8.2.60.0160.00617.80
8.2.50.0030.01918.10
8.2.40.0160.00620.59
8.2.30.0220.00319.38
8.2.20.0190.00417.72
8.2.10.0210.00417.98
8.2.00.0160.00917.74
8.1.280.0550.01625.92
8.1.270.0290.01023.96
8.1.260.0390.00026.35
8.1.250.0250.01428.09
8.1.240.0400.01019.22
8.1.230.0420.01022.12
8.1.220.0130.01017.79
8.1.210.0130.01018.77
8.1.200.0160.00717.35
8.1.190.0170.00717.10
8.1.180.0180.00318.10
8.1.170.0180.00718.50
8.1.160.0130.01022.10
8.1.150.0210.00418.87
8.1.140.0130.01017.55
8.1.130.0190.00317.88
8.1.120.0210.00017.50
8.1.110.0240.00317.45
8.1.100.0130.01017.50
8.1.90.0100.01317.52
8.1.80.0110.01117.50
8.1.70.0150.00617.49
8.1.60.0110.01517.53
8.1.50.0180.00617.52
8.1.40.0160.01017.55
8.1.30.0220.00617.66
8.1.20.0180.00917.66
8.1.10.0150.01217.48
8.1.00.0210.00317.42
8.0.300.0190.00319.84
8.0.290.0160.00616.63
8.0.280.0170.00718.47
8.0.270.0180.00716.75
8.0.260.0130.01017.24
8.0.250.0130.01016.77
8.0.240.0220.00416.86
8.0.230.0120.00916.90
8.0.220.0140.00716.88
8.0.210.0160.00616.73
8.0.200.0160.01016.92
8.0.190.0110.01816.89
8.0.180.0030.01916.74
8.0.170.0130.01016.90
8.0.160.0130.01016.73
8.0.150.0160.00716.68
8.0.140.0110.01116.81
8.0.130.0220.00613.25
8.0.120.0160.01216.88
8.0.110.0130.01016.75
8.0.100.0170.00716.92
8.0.90.0090.00916.86
8.0.80.0230.05316.78
8.0.70.0210.00016.75
8.0.60.0120.00916.86
8.0.50.0120.00916.66
8.0.30.0720.04917.14
8.0.20.0840.04417.40
8.0.10.0080.01116.99
8.0.00.0790.02916.63
7.4.330.0230.00315.00
7.4.320.0140.00716.33
7.4.300.0130.01016.39
7.4.290.0100.01016.38
7.4.280.0200.00716.38
7.4.270.0200.00716.52
7.4.260.0140.00316.38
7.4.250.0140.01116.57
7.4.240.0130.01516.46
7.4.230.0130.00616.60
7.4.220.0420.05816.64
7.4.210.0330.04316.64
7.4.200.0160.00316.50
7.4.160.0580.03016.34
7.4.150.0930.04317.40
7.4.140.0950.04317.86
7.4.130.0930.04016.57
7.4.120.0890.04616.52
7.4.110.0990.07516.27
7.4.100.0880.04016.45
7.4.90.0740.04616.48
7.4.80.0570.06019.39
7.4.70.0600.03116.53
7.4.60.0470.05216.55
7.4.50.0140.02016.27
7.4.40.0440.04416.45
7.4.30.0510.05416.46
7.4.00.0230.01714.68
7.3.330.0120.00913.02
7.3.320.0150.00613.19
7.3.310.0170.01016.09
7.3.300.0120.00916.09
7.3.290.0540.02916.30
7.3.280.0300.05016.20
7.3.270.1120.05517.40
7.3.260.0700.06216.19
7.3.250.0650.06216.24
7.3.240.0830.04916.60
7.3.230.0500.06416.39
7.3.210.0650.07416.40
7.3.200.0750.02519.39
7.3.190.0670.04916.48
7.3.180.0420.05616.39
7.3.170.0520.05516.27
7.3.160.0630.04016.46
7.2.330.0700.05416.73
7.2.320.0470.05416.39
7.2.310.0450.05516.41
7.2.300.0460.05516.51
7.2.290.0670.05416.54
5.6.10.0810.02613.97
5.6.00.0620.02614.16
5.5.170.0380.04714.15
5.5.160.0520.01810.80
5.5.150.0600.01911.16
5.5.140.0350.03510.75
5.5.130.0670.03211.02
5.5.120.0850.02110.82
5.5.110.0460.03011.16
5.5.100.0770.03010.93
5.5.90.0520.01610.73
5.5.80.0490.02810.66
5.5.70.0820.02410.75
5.5.60.0780.02210.70
5.5.50.0570.03311.16
5.5.40.0920.03610.99
5.5.30.0480.03210.61
5.5.20.0460.02510.84
5.5.10.0510.02011.09
5.5.00.0650.03111.04
5.4.330.0610.03510.56
5.4.320.0370.03710.89
5.4.310.0840.02410.79
5.4.300.0490.02410.79
5.4.290.0700.02610.89
5.4.280.0580.03210.66
5.4.270.1000.03010.83
5.4.260.0660.02910.82
5.4.250.0590.01610.77
5.4.240.0980.01710.77
5.4.230.0570.01310.93
5.4.220.0380.03210.67
5.4.210.0460.03010.89
5.4.200.0390.01511.01
5.4.190.0870.02810.88
5.4.180.0880.02310.91
5.4.170.0350.03210.74
5.4.160.0730.02910.81
5.4.150.0470.03210.73
5.4.140.0630.02510.79
5.4.130.0870.03710.86
5.4.120.0450.02910.81
5.4.110.0360.03610.86
5.4.100.0790.03910.99
5.4.90.0530.02010.80
5.4.80.0500.03010.72
5.4.70.0640.02710.76
5.4.60.0570.03211.00
5.4.50.0220.02210.85
5.4.40.0450.02910.72
5.4.30.0670.02610.64
5.4.20.0440.02810.80
5.4.10.0520.01810.67
5.4.00.0800.03210.91

preferences:
46.66 ms | 401 KiB | 5 Q