3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('ABC','dre'); define(ABC, 5); var_dump(get_defined_constants()); 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)
8.3.60.0290.00618.21
8.3.50.0150.00922.09
8.3.40.0220.00318.88
8.3.30.0240.01019.01
8.3.20.0130.00020.46
8.3.10.0100.00323.70
8.3.00.0030.01020.90
8.2.180.0110.01416.75
8.2.170.0190.00722.96
8.2.160.0100.01320.52
8.2.150.0090.00324.18
8.2.140.0080.00424.66
8.2.130.0080.00426.16
8.2.120.0130.00019.10
8.2.110.0100.00322.21
8.2.100.0150.00317.78
8.2.90.0080.00319.27
8.2.80.0070.00417.97
8.2.70.0060.00617.75
8.2.60.0090.00317.93
8.2.50.0070.00718.07
8.2.40.0060.00619.95
8.2.30.0070.00418.34
8.2.20.0030.00717.68
8.2.10.0060.00618.26
8.2.00.0040.00717.80
8.1.280.0130.01025.92
8.1.270.0030.01023.96
8.1.260.0120.00026.35
8.1.250.0130.00028.09
8.1.240.0150.00023.82
8.1.230.0130.00319.22
8.1.220.0070.00317.74
8.1.210.0110.00018.77
8.1.200.0090.00317.35
8.1.190.0030.00717.35
8.1.180.0030.00718.10
8.1.170.0000.01118.66
8.1.160.0070.00322.06
8.1.150.0000.01018.61
8.1.140.0030.00717.51
8.1.130.0060.00317.76
8.1.120.0030.01017.49
8.1.110.0040.00717.58
8.1.100.0030.00717.48
8.1.90.0030.00717.48
8.1.80.0030.00617.42
8.1.70.0080.00317.52
8.1.60.0040.00817.53
8.1.50.0060.00617.55
8.1.40.0090.00317.59
8.1.30.0000.01117.66
8.1.20.0110.00017.61
8.1.10.0030.00817.60
8.1.00.0060.00317.40
8.0.300.0050.00518.77
8.0.290.0070.00416.75
8.0.280.0030.00718.38
8.0.270.0060.00317.32
8.0.260.0000.00917.38
8.0.250.0050.00516.89
8.0.240.0060.00316.98
8.0.230.0030.00717.01
8.0.220.0030.00716.94
8.0.210.0060.00316.91
8.0.200.0060.00316.90
8.0.190.0030.00617.01
8.0.180.0040.00716.89
8.0.170.0070.00316.95
8.0.160.0040.00816.94
8.0.150.0040.00717.00
8.0.140.0090.00016.95
8.0.130.0030.00513.36
8.0.120.0030.00916.89
8.0.110.0030.00716.84
8.0.100.0100.00016.97
8.0.90.0050.00516.97
8.0.80.0060.03216.90
8.0.70.0090.00016.83
8.0.60.0090.00016.79
8.0.50.0000.00916.87
8.0.30.0270.01517.21
8.0.20.0240.02417.40
8.0.10.0030.00617.09
8.0.00.0210.01917.03
7.4.330.0050.00215.00
7.4.320.0040.00716.63
7.4.300.0100.00016.55
7.4.290.0030.00716.31
7.4.280.0060.00316.60
7.4.270.0070.00316.68
7.4.260.0060.00316.50
7.4.250.0030.00716.61
7.4.240.0040.00616.56
7.4.230.0070.00316.45
7.4.220.0230.02016.76
7.4.210.0170.00716.59
7.4.200.0090.00016.40
7.4.160.0240.01016.44
7.4.150.0400.01417.40
7.4.140.0380.01017.86
7.4.130.0230.01416.57
7.4.120.0250.01416.53
7.4.110.0240.03016.49
7.4.100.0120.02416.61
7.4.90.0170.02416.55
7.4.80.0250.02219.39
7.4.70.0170.01716.48
7.4.60.0210.01216.75
7.4.50.0100.00316.53
7.4.40.0220.01616.64
7.4.30.0210.01416.65
7.4.00.0060.01314.72
7.3.330.0040.00413.07
7.3.320.0030.00712.92
7.3.310.0030.00716.22
7.3.300.0060.00316.25
7.3.290.0210.01216.32
7.3.280.0220.01816.27
7.3.270.0340.02117.40
7.3.260.0320.01416.31
7.3.250.0250.01516.41
7.3.240.0180.02116.32
7.3.230.0200.01716.39
7.3.210.0170.02116.52
7.3.200.0090.02519.39
7.3.190.0190.01216.36
7.3.180.0250.00716.17
7.3.170.0170.01416.27
7.3.160.0140.01916.59
7.3.120.0100.01014.79
7.2.330.0290.00916.75
7.2.320.0140.01816.73
7.2.310.0230.01016.68
7.2.300.0150.01516.63
7.2.290.0180.01516.50
7.2.80.0100.01016.60
7.2.60.0090.00916.61
7.2.00.0070.01119.40
7.1.200.0060.01315.89
7.1.100.0030.00717.81
7.1.70.0080.00417.10
7.1.60.0120.00619.70
7.1.50.0140.01416.74
7.0.200.0080.00316.76

preferences:
31.44 ms | 401 KiB | 5 Q