3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("f", "www"); define("f", "www"); 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)
8.3.60.0070.01318.43
8.3.50.0070.01117.96
8.3.40.0040.01118.53
8.3.30.0150.00018.67
8.3.20.0050.00319.09
8.3.10.0040.00421.65
8.3.00.0080.00020.58
8.2.180.0090.00916.63
8.2.170.0110.00322.96
8.2.160.0070.00722.26
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0040.00419.82
8.2.120.0070.00026.35
8.2.110.0130.00321.04
8.2.100.0000.01217.84
8.2.90.0070.00019.47
8.2.80.0040.00417.97
8.2.70.0050.00517.80
8.2.60.0080.00018.03
8.2.50.0000.00818.10
8.2.40.0000.00819.15
8.2.30.0050.00319.09
8.2.20.0040.00417.88
8.2.10.0080.00018.00
8.2.00.0040.00417.58
8.1.280.0040.01125.92
8.1.270.0040.00418.80
8.1.260.0090.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00322.32
8.1.230.0040.00721.04
8.1.220.0000.00817.74
8.1.210.0000.00919.00
8.1.200.0040.00417.25
8.1.190.0000.00817.22
8.1.180.0060.00318.10
8.1.170.0000.00818.28
8.1.160.0000.00718.69
8.1.150.0040.00418.73
8.1.140.0030.00322.17
8.1.130.0000.00722.00
8.1.120.0040.00417.28
8.1.110.0000.00817.43
8.1.100.0000.00717.32
8.1.90.0040.00417.34
8.1.80.0040.00417.38
8.1.70.0000.00717.35
8.1.60.0000.00817.51
8.1.50.0050.00317.45
8.1.40.0040.00417.46
8.1.30.0000.00717.50
8.1.20.0030.00517.57
8.1.10.0030.00617.37
8.1.00.0000.00717.23
8.0.300.0030.00519.90
8.0.290.0040.00416.58
8.0.280.0040.00418.36
8.0.270.0000.00717.18
8.0.260.0030.00318.32
8.0.250.0000.00716.96
8.0.240.0000.00616.95
8.0.230.0000.00716.91
8.0.220.0030.00316.94
8.0.210.0030.00316.83
8.0.200.0000.00716.83
8.0.190.0000.00816.96
8.0.180.0030.00616.76
8.0.170.0000.00916.78
8.0.160.0040.00416.84
8.0.150.0030.00516.84
8.0.140.0080.00016.80
8.0.130.0000.00613.31
8.0.120.0050.00216.79
8.0.110.0040.00416.83
8.0.100.0040.00416.86
8.0.90.0050.00216.87
8.0.80.0110.00716.89
8.0.70.0040.00416.70
8.0.60.0040.00416.88
8.0.50.0000.00816.68
8.0.30.0130.00317.16
8.0.20.0090.01517.40
8.0.10.0070.00016.86
8.0.00.0070.01316.72
7.4.330.0000.00515.55
7.4.320.0030.00316.44
7.4.300.0030.00316.53
7.4.290.0000.00716.50
7.4.280.0060.00616.52
7.4.270.0030.00316.44
7.4.260.0030.00316.46
7.4.250.0000.00816.39
7.4.240.0000.00716.53
7.4.230.0000.00716.32
7.4.220.0040.00416.50
7.4.210.0010.01316.46
7.4.200.0070.00016.62
7.4.160.0090.00616.42
7.4.140.0060.01417.86
7.4.130.0100.00716.46
7.4.120.0100.00916.49
7.4.110.0100.01416.38
7.4.100.0130.00316.56
7.4.90.0160.00716.30
7.4.80.0060.01519.39
7.4.70.0070.01116.50
7.4.60.0030.01316.40
7.4.50.0000.01816.30
7.4.40.0150.00616.47
7.3.330.0000.00512.99
7.3.320.0030.00313.06
7.3.310.0000.00816.28
7.3.300.0040.00416.20
7.3.290.0030.00316.00
7.3.280.0130.00316.19
7.3.260.0110.00716.32
7.3.240.0110.00916.30
7.3.230.0080.00816.49
7.3.210.0060.01316.37
7.3.200.0040.01316.24
7.3.190.0060.01216.16
7.3.180.0110.00716.22
7.3.170.0110.00616.38
7.3.160.0130.00316.16
7.2.330.0070.01116.52
7.2.320.0130.00316.24
7.2.310.0100.00616.64
7.2.300.0070.01016.73
7.2.290.0100.00716.48

preferences:
65.95 ms | 400 KiB | 5 Q