3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('ABC','dre'); define(ABC, 5); var_dump(get_defined_constants(),1); echo dre;

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)
8.3.40.0250.00618.79
8.3.30.0180.00719.04
8.3.20.0090.00620.42
8.3.10.0080.00423.65
8.3.00.0080.00420.77
8.2.170.0310.00022.96
8.2.160.0220.00420.40
8.2.150.0100.00324.18
8.2.140.0090.00324.66
8.2.130.0030.00926.16
8.2.120.0060.00619.24
8.2.110.0040.01119.29
8.2.100.0140.00317.84
8.2.90.0030.00719.30
8.2.80.0110.00017.97
8.2.70.0080.00417.63
8.2.60.0040.00718.05
8.2.50.0070.00318.10
8.2.40.0100.00022.27
8.2.30.0000.01118.27
8.2.20.0030.00917.66
8.2.10.0040.00718.18
8.2.00.0060.00617.69
8.1.270.0080.00423.89
8.1.260.0080.00426.35
8.1.250.0080.00428.09
8.1.240.0120.00319.57
8.1.230.0090.00917.64
8.1.220.0080.00417.77
8.1.210.0110.00018.77
8.1.200.0070.00717.34
8.1.190.0040.00817.23
8.1.180.0090.00618.10
8.1.170.0070.00318.81
8.1.160.0070.00422.14
8.1.150.0060.00618.61
8.1.140.0030.00717.52
8.1.130.0030.00717.52
8.1.120.0130.00017.53
8.1.110.0100.00017.51
8.1.100.0070.00417.53
8.1.90.0090.00017.53
8.1.80.0060.00317.56
8.1.70.0050.00517.48
8.1.60.0040.00717.53
8.1.50.0030.00917.59
8.1.40.0090.00517.59
8.1.30.0060.00617.54
8.1.20.0030.00617.64
8.1.10.0070.00317.57
8.1.00.0000.01117.55
8.0.300.0070.00318.77
8.0.290.0110.00016.75
8.0.280.0050.00518.56
8.0.270.0000.00917.33
8.0.260.0060.00316.93
8.0.250.0040.00416.93
8.0.240.0060.00517.04
8.0.230.0070.00317.00
8.0.220.0060.00316.89
8.0.210.0070.00417.00
8.0.200.0030.00716.98
8.0.190.0000.01017.00
8.0.180.0100.00016.99
8.0.170.0070.00316.95
8.0.160.0090.00017.08
8.0.150.0070.00316.84
8.0.140.0060.00616.95
8.0.130.0040.00413.28
8.0.120.0110.00016.80
8.0.110.0070.00316.93
8.0.100.0060.00316.83
8.0.90.0030.00616.99
8.0.80.0160.02216.95
8.0.70.0030.00616.82
8.0.60.0000.00916.83
8.0.50.0060.00317.06
8.0.30.0270.01217.20
8.0.20.0310.01617.40
8.0.10.0030.00616.90
8.0.00.0260.01616.88
7.4.330.0040.00415.01
7.4.320.0040.00416.34
7.4.300.0030.00616.56
7.4.290.0030.00716.66
7.4.280.0040.00916.68
7.4.270.0040.00716.67
7.4.260.0030.00716.44
7.4.250.0030.00916.66
7.4.240.0050.00516.59
7.4.230.0060.00316.30
7.4.220.0150.02516.62
7.4.210.0070.01916.60
7.4.200.0070.00416.66
7.4.160.0290.00816.56
7.4.150.0280.01217.40
7.4.140.0220.02017.86
7.4.130.0270.01516.49
7.4.120.0280.01616.59
7.4.110.0280.01016.56
7.4.100.0200.01716.51
7.4.90.0230.01316.54
7.4.80.0320.00719.39
7.4.70.0190.01316.45
7.4.60.0180.01416.74
7.4.50.0070.00716.54
7.4.40.0160.01616.59
7.4.30.0240.01216.64
7.4.00.0130.00714.84
7.3.330.0050.00313.13
7.3.320.0060.00312.92
7.3.310.0030.00616.11
7.3.300.0040.00416.29
7.3.290.0100.01916.25
7.3.280.0110.01916.25
7.3.270.0310.01717.40
7.3.260.0230.01316.69
7.3.250.0160.01916.43
7.3.240.0280.01416.32
7.3.230.0240.02116.41
7.3.210.0280.00916.44
7.3.200.0220.01319.39
7.3.190.0160.02516.21
7.3.180.0230.00716.25
7.3.170.0160.02316.47
7.3.160.0200.01116.41
7.3.120.0030.02014.99
7.2.330.0260.01616.72
7.2.320.0230.01016.53
7.2.310.0120.02416.41
7.2.300.0110.02016.45
7.2.290.0160.01916.49
7.2.60.0110.01117.00
7.2.00.0030.01219.11
7.1.200.0100.00715.77
7.1.100.0070.00717.70
7.1.70.0040.01416.93
7.1.60.0000.01419.70
7.1.50.0140.02416.87
7.0.200.0050.00516.66

preferences:
39.81 ms | 400 KiB | 5 Q