3v4l.org

run code in 300+ PHP versions simultaneously
<?php function bar(string $foo = null) {} bar(null);

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)
8.4.130.0140.00717.67
8.4.120.0100.01020.45
8.4.110.0120.00719.02
8.4.100.0110.01017.69
8.4.90.0140.00618.47
8.4.80.0080.00217.45
8.4.70.0100.00417.72
8.4.60.0110.01018.39
8.4.50.0110.00919.54
8.4.40.0120.00919.29
8.4.30.0000.01920.25
8.4.20.0050.00518.75
8.4.10.0040.01519.26
8.3.260.0130.00616.16
8.3.250.0130.00818.92
8.3.240.0110.00716.55
8.3.230.0080.01016.55
8.3.220.0050.00219.04
8.3.210.0070.01216.48
8.3.200.0060.00316.57
8.3.190.0060.00918.79
8.3.180.0060.00416.59
8.3.170.0180.00018.96
8.3.160.0160.00316.67
8.3.150.0090.00918.68
8.3.140.0030.00616.72
8.3.130.0030.00516.55
8.3.120.0000.01018.77
8.3.110.0120.00320.94
8.3.100.0130.00316.64
8.3.90.0040.00426.77
8.3.80.0000.01019.36
8.3.70.0040.01118.18
8.3.60.0140.00718.18
8.3.50.0070.00716.42
8.3.40.0150.00018.75
8.3.30.0110.00418.59
8.3.20.0000.00824.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0070.00520.16
8.2.280.0100.00919.85
8.2.270.0120.00616.84
8.2.260.0140.00418.65
8.2.250.0080.00016.65
8.2.240.0030.00616.61
8.2.230.0070.00422.58
8.2.220.0060.00324.06
8.2.210.0040.00426.77
8.2.200.0050.00518.88
8.2.190.0090.00916.58
8.2.180.0070.01025.92
8.2.170.0120.00318.88
8.2.160.0000.01422.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00026.16
8.2.110.0060.00321.18
8.2.100.0060.00619.32
8.2.90.0080.00017.63
8.2.80.0050.00518.60
8.2.70.0040.00417.79
8.2.60.0000.00717.97
8.2.50.0000.00818.10
8.2.40.0000.00821.00
8.2.30.0040.00419.14
8.2.20.0040.00418.08
8.2.10.0060.00319.18
8.2.00.0040.00419.11
8.1.330.0100.00820.30
8.1.320.0130.00616.20
8.1.310.0110.00416.40
8.1.300.0100.00716.07
8.1.290.0070.00430.84
8.1.280.0070.01025.92
8.1.270.0000.00723.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00019.08
8.1.230.0090.00317.57
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00817.00
8.1.190.0000.00817.22
8.1.180.0030.00618.10
8.1.170.0090.00018.50
8.1.160.0040.00418.75
8.1.150.0040.00418.50
8.1.140.0000.00818.94
8.1.130.0030.00317.34
8.1.120.0030.00317.34
8.1.110.0020.00517.31
8.1.100.0000.00817.34
8.1.90.0040.00417.33
8.1.80.0030.00617.30
8.1.70.0070.00017.28
8.1.60.0040.00417.51
8.1.50.0060.00317.34
8.1.40.0000.00817.41
8.1.30.0050.00217.44
8.1.20.0050.00217.48
8.1.10.0020.00517.32
8.1.00.0040.00417.24
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0000.00818.24
8.0.270.0000.00717.79
8.0.260.0060.00016.68
8.0.250.0070.00016.84
8.0.240.0040.00416.75
8.0.230.0030.00316.71
8.0.220.0040.00416.64
8.0.210.0000.00716.64
8.0.200.0030.00316.72
8.0.190.0050.00216.81
8.0.180.0040.00416.80
8.0.170.0000.00916.79
8.0.160.0000.00716.76
8.0.150.0030.00516.72
8.0.140.0040.00416.77
8.0.130.0000.00513.19
8.0.120.0080.00016.63
8.0.110.0000.00716.77
8.0.100.0000.00716.66
8.0.90.0080.00016.76
8.0.80.0130.00916.80
8.0.70.0090.01116.74
8.0.60.0110.01116.68
8.0.50.0120.00916.66
8.0.30.0120.00316.74
8.0.20.0040.01116.85
8.0.10.0060.00916.91
8.0.00.0070.01416.91
7.4.330.0000.00515.55
7.4.320.0070.00016.35
7.4.300.0000.00616.41
7.4.290.0030.00716.38
7.4.280.0000.00716.44
7.4.270.0060.00016.54
7.4.260.0000.00513.14
7.4.250.0070.00016.38
7.4.240.0000.00716.50
7.4.230.0060.00016.46
7.4.220.0000.00716.32
7.4.210.0100.00616.56
7.4.200.0030.01016.45
7.4.190.0120.00316.45
7.4.180.0040.01116.39
7.4.160.0090.00616.38
7.4.150.0060.00916.38
7.4.140.0060.00916.54
7.4.130.0050.01016.25
7.4.120.0090.00616.42
7.4.110.0100.00316.34
7.4.100.0070.00716.32
7.4.90.0080.00616.54
7.4.80.0180.00016.31
7.4.70.0120.00316.20
7.4.60.0090.00616.26
7.4.50.0060.00916.29
7.4.40.0070.00716.18
7.4.30.0080.00816.50
7.4.20.0060.01416.41
7.4.10.0150.00616.36
7.4.00.0090.01016.32
7.3.330.0000.00716.28
7.3.320.0050.00013.09
7.3.310.0030.00316.28
7.3.300.0000.00716.11
7.3.290.0050.01416.23
7.3.280.0090.00916.16
7.3.270.0090.00916.30
7.3.260.0070.00716.18
7.3.250.0000.01916.14
7.3.240.0030.01016.15
7.3.230.0070.00716.27
7.3.220.0070.01116.23
7.3.210.0060.00916.14
7.3.200.0110.00416.13
7.3.190.0040.01116.06
7.3.180.0030.01016.18
7.3.170.0070.00716.13
7.3.160.0110.00316.08
7.3.150.0000.01416.05
7.3.140.0100.00716.14
7.3.130.0060.01316.10
7.3.120.0070.00716.21
7.3.110.0040.01116.11
7.3.100.0040.01016.12
7.3.90.0090.01016.44
7.3.80.0070.01316.14
7.3.70.0100.01016.25
7.3.60.0110.00816.28
7.3.50.0140.00316.32
7.3.40.0100.01016.34
7.3.30.0090.00516.31
7.3.20.0110.00816.34
7.3.10.0090.01016.29
7.3.00.0100.01016.25
7.2.240.0050.00216.07
5.6.290.0060.00115.67

preferences:
30.45 ms | 403 KiB | 5 Q