3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("f", "www"); define("f", "www2"); echo f;

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)
8.3.60.0180.00018.30
8.3.50.0000.01418.21
8.3.40.0120.00318.72
8.3.30.0070.00718.67
8.3.20.0040.00419.02
8.3.10.0000.00823.53
8.3.00.0080.00020.73
8.2.180.0130.00616.50
8.2.170.0120.00322.96
8.2.160.0130.00022.26
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00418.09
8.2.120.0060.00326.35
8.2.110.0100.00319.13
8.2.100.0000.01117.97
8.2.90.0000.00817.63
8.2.80.0030.00517.97
8.2.70.0040.00417.80
8.2.60.0030.00617.97
8.2.50.0090.00018.10
8.2.40.0070.00019.04
8.2.30.0000.00819.05
8.2.20.0000.00817.99
8.2.10.0080.00017.90
8.2.00.0050.00317.63
8.1.280.0070.01125.92
8.1.270.0070.00018.82
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.52
8.1.230.0030.00718.88
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0080.00017.23
8.1.190.0030.00617.23
8.1.180.0080.00018.10
8.1.170.0080.00018.64
8.1.160.0000.00718.77
8.1.150.0040.00418.80
8.1.140.0030.00522.17
8.1.130.0030.00322.04
8.1.120.0030.00317.43
8.1.110.0030.00517.26
8.1.100.0000.00717.44
8.1.90.0000.00817.39
8.1.80.0050.00317.41
8.1.70.0000.00717.45
8.1.60.0000.00817.53
8.1.50.0040.00417.36
8.1.40.0000.00717.40
8.1.30.0030.00617.43
8.1.20.0070.00017.59
8.1.10.0040.00417.43
8.1.00.0000.00717.38
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0000.00718.37
8.0.270.0000.00717.20
8.0.260.0060.00018.37
8.0.250.0060.00016.95
8.0.240.0030.00316.92
8.0.230.0070.00017.00
8.0.220.0030.00316.79
8.0.210.0000.00716.87
8.0.200.0000.00716.94
8.0.190.0040.00416.83
8.0.180.0050.00316.79
8.0.170.0000.00816.76
8.0.160.0040.00416.95
8.0.150.0040.00416.86
8.0.140.0070.00016.82
8.0.130.0030.00313.35
8.0.120.0040.00416.77
8.0.110.0000.00716.67
8.0.100.0070.00016.91
8.0.90.0000.00716.78
8.0.80.0050.01316.88
8.0.70.0000.00816.93
8.0.60.0040.00416.82
8.0.50.0040.00416.77
8.0.30.0140.00317.28
8.0.20.0280.00617.40
8.0.10.0000.00716.80
8.0.00.0100.01016.74
7.4.330.0020.00215.55
7.4.320.0030.00316.54
7.4.300.0040.00416.57
7.4.290.0040.00416.43
7.4.280.0030.00616.52
7.4.270.0070.00016.32
7.4.260.0040.00416.45
7.4.250.0000.00816.38
7.4.240.0030.00316.37
7.4.230.0000.00716.55
7.4.220.0040.00416.63
7.4.210.0080.00816.38
7.4.200.0040.00416.50
7.4.160.0080.00916.44
7.4.140.0110.01017.86
7.4.130.0110.00716.63
7.4.120.0120.00816.48
7.4.110.0130.00916.29
7.4.100.0070.01016.38
7.4.90.0030.01616.35
7.4.80.0090.00919.39
7.4.70.0180.00016.51
7.4.60.0180.00416.38
7.4.50.0110.00016.33
7.4.40.0110.00616.35
7.3.330.0000.00513.04
7.3.320.0030.00312.93
7.3.310.0040.00416.04
7.3.300.0000.00616.18
7.3.290.0000.00716.22
7.3.280.0120.00616.18
7.3.260.0090.01116.29
7.3.240.0080.01016.28
7.3.230.0060.01216.18
7.3.210.0000.02116.36
7.3.200.0150.00016.50
7.3.190.0070.01016.33
7.3.180.0160.00716.29
7.3.170.0140.00716.25
7.3.160.0130.01016.40
7.2.330.0140.00316.47
7.2.320.0110.00616.39
7.2.310.0060.01016.58
7.2.300.0130.00316.30
7.2.290.0110.01116.39

preferences:
55.64 ms | 401 KiB | 5 Q