3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_replace('~(?<!^ {0,50}) //~', '-', ' // x // y'));

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)
8.3.60.0110.00418.30
8.3.50.0070.00720.12
8.3.40.0140.00019.88
8.3.30.0080.00818.71
8.3.20.0080.00024.18
8.3.10.0050.00224.66
8.3.00.0050.00326.16
8.2.180.0090.00625.92
8.2.170.0040.01118.81
8.2.160.0060.00922.96
8.2.150.0080.00025.66
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0070.00026.16
8.2.110.0030.00620.39
8.2.100.0060.00819.82
8.2.90.0040.00417.63
8.2.80.0080.00018.83
8.2.70.0050.00317.38
8.2.60.0030.00617.50
8.2.50.0030.00518.04
8.2.40.0090.00018.03
8.2.30.0000.00717.94
8.2.20.0040.00419.00
8.2.10.0040.00417.81
8.2.00.0030.00619.04
8.1.280.0070.01425.92
8.1.270.0060.00324.66
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00622.02
8.1.230.0090.00320.89
8.1.220.0040.00418.49
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0000.00817.11
8.1.180.0040.00418.10
8.1.170.0000.00917.62
8.1.160.0030.00518.78
8.1.150.0040.00418.46
8.1.140.0000.00717.25
8.1.130.0000.00718.87
8.1.120.0000.00817.36
8.1.110.0000.00717.33
8.1.100.0080.00017.21
8.1.90.0040.00417.33
8.1.80.0110.00617.31
8.1.70.0100.00617.29
8.1.60.0090.00917.43
8.1.50.0110.00717.37
8.1.40.0120.00517.36
8.1.30.0150.00317.52
8.1.20.0150.00217.47
8.1.10.0070.01017.29
8.1.00.0130.00517.30
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0080.00018.32
8.0.270.0080.00016.65
8.0.260.0000.00818.28
8.0.250.0030.00316.89
8.0.240.0030.00316.78
8.0.230.0000.00716.90
8.0.220.0040.00416.69
8.0.210.0070.00716.70
8.0.200.0120.00316.71
8.0.190.0120.00316.73
8.0.180.0140.00016.71
8.0.170.0100.00316.82
8.0.160.0000.01516.70
8.0.150.0110.00516.66
8.0.140.0100.00316.60
8.0.130.0150.00016.84
8.0.120.0050.01116.82
8.0.110.0100.00316.81
8.0.100.0100.00516.86
8.0.90.0110.00416.75
8.0.80.0080.00816.87
8.0.70.0000.01516.77
8.0.60.0000.01416.77
8.0.50.0100.00516.66
8.0.30.0100.00516.86
8.0.20.0090.00716.71
8.0.10.0100.00716.89
7.4.330.0040.00315.55
7.4.320.0030.00316.54
7.4.300.0160.00316.51
7.4.290.0100.00716.55
7.4.280.0100.00316.48
7.4.270.0100.00516.51
7.4.260.0070.00716.43
7.4.250.0150.00316.52
7.4.240.0090.00316.54
7.4.230.0110.00416.42
7.4.220.0120.00416.44
7.4.210.0120.00316.50
7.4.200.0110.00416.42
7.4.190.0080.00816.47
7.4.180.0090.00616.58
7.4.160.0100.00416.50
7.4.150.0110.00016.48
7.4.140.0100.00416.39
7.4.130.0150.00016.20
7.4.120.0100.00516.33
7.4.110.0070.00716.25
7.4.100.0090.00616.54
7.4.90.0110.00416.35
7.4.80.0140.00016.23
7.4.70.0100.00516.18
7.4.60.0120.00416.11
7.4.50.0070.00716.27
7.4.40.0110.00316.26
7.4.30.0070.00516.38
7.4.20.0070.00716.21
7.4.10.0140.00016.27
7.4.00.0090.00616.32

preferences:
55.32 ms | 401 KiB | 5 Q