3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = ''; t($x); function t($x = 12){ var_dump($x); }

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)
8.3.40.0070.01018.81
8.3.30.0100.00318.80
8.3.20.0040.00420.34
8.3.10.0060.00323.56
8.3.00.0050.00319.13
8.2.170.0150.00022.96
8.2.160.0110.00720.48
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00421.02
8.2.110.0090.00020.12
8.2.100.0040.00718.03
8.2.90.0000.00719.05
8.2.80.0040.00417.97
8.2.70.0090.00017.38
8.2.60.0040.00417.80
8.2.50.0060.00318.07
8.2.40.0080.00018.16
8.2.30.0050.00519.73
8.2.20.0040.00417.59
8.2.10.0070.00017.94
8.2.00.0000.00717.66
8.1.270.0060.00323.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.89
8.1.230.0000.01019.09
8.1.220.0000.00717.74
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0040.00417.00
8.1.180.0030.00618.10
8.1.170.0050.00318.59
8.1.160.0000.00721.85
8.1.150.0040.00418.83
8.1.140.0070.00017.37
8.1.130.0040.00417.77
8.1.120.0000.00717.43
8.1.110.0000.00717.21
8.1.100.0070.00017.29
8.1.90.0070.00017.37
8.1.80.0040.00417.27
8.1.70.0070.00017.29
8.1.60.0040.00417.46
8.1.50.0030.00517.51
8.1.40.0000.00717.50
8.1.30.0030.00617.63
8.1.20.0040.00417.64
8.1.10.0060.00317.33
8.1.00.0000.00717.42
8.0.300.0030.00518.77
8.0.290.0050.00316.75
8.0.280.0060.00318.27
8.0.270.0000.00817.12
8.0.260.0030.00317.12
8.0.250.0070.00016.78
8.0.240.0050.00316.94
8.0.230.0070.00016.73
8.0.220.0030.00316.84
8.0.210.0070.00016.77
8.0.200.0030.00316.80
8.0.190.0000.00716.90
8.0.180.0030.00516.91
8.0.170.0040.00416.82
8.0.160.0070.00016.88
8.0.150.0080.00016.64
8.0.140.0030.00516.73
8.0.130.0000.00513.21
8.0.120.0060.00316.82
8.0.110.0000.00716.66
8.0.100.0030.00316.69
8.0.90.0000.00916.72
8.0.80.0040.01316.84
8.0.70.0000.00716.77
8.0.60.0040.00416.89
8.0.50.0000.00816.70
8.0.30.0100.00917.05
8.0.20.0210.01217.40
8.0.10.0000.00716.89
8.0.00.0070.01416.61
7.4.330.0000.00715.00
7.4.320.0030.00316.42
7.4.300.0000.00616.57
7.4.290.0070.00016.58
7.4.280.0000.00716.43
7.4.270.0070.00316.54
7.4.260.0000.01016.48
7.4.250.0020.00516.58
7.4.240.0020.00616.52
7.4.230.0040.00416.48
7.4.220.0100.01016.61
7.4.210.0000.01416.52
7.4.200.0000.00716.24
7.4.160.0140.00416.61
7.4.150.0120.01217.40
7.4.140.0110.01217.86
7.4.130.0100.00916.49
7.4.120.0070.01116.36
7.4.110.0060.01616.62
7.4.100.0100.01016.52
7.4.90.0100.00716.34
7.4.80.0090.00919.39
7.4.70.0100.00616.55
7.4.60.0120.00316.48
7.4.50.0000.00816.34
7.4.40.0100.00616.52
7.4.30.0050.01016.34
7.4.00.0080.00814.90
7.3.330.0060.00013.23
7.3.320.0030.00312.99
7.3.310.0000.00716.03
7.3.300.0060.00016.23
7.3.290.0100.00316.20
7.3.280.0040.01116.20
7.3.270.0140.00317.40
7.3.260.0150.00316.49
7.3.250.0030.01416.43
7.3.240.0090.01216.11
7.3.230.0060.00916.57
7.3.210.0130.00616.10
7.3.200.0030.01419.39
7.3.190.0150.00716.21
7.3.180.0120.00916.31
7.3.170.0100.01016.36
7.3.160.0100.00616.45
7.2.330.0110.00716.48
7.2.320.0110.00716.54
7.2.310.0070.01016.59
7.2.300.0130.00616.64
7.2.290.0090.01316.57
7.2.00.0070.01419.30
7.1.100.0040.00717.91
7.1.70.0000.00717.13
7.1.60.0060.01319.46
7.1.50.0090.01516.98
7.1.00.0000.08022.57
7.0.200.0030.00316.40
7.0.140.0030.07322.05
7.0.60.0070.08319.85
7.0.50.0170.07317.95
7.0.40.0130.06320.27
7.0.30.0230.08020.21
7.0.20.0230.07320.21
7.0.10.0070.08720.30
7.0.00.0100.06320.19
5.6.280.0070.07021.13
5.6.210.0030.04020.53
5.6.200.0030.08718.19
5.6.190.0100.03320.57
5.6.180.4130.04020.61
5.6.170.0270.08020.54
5.6.160.0030.08320.52
5.6.150.0130.07318.12
5.6.140.0170.07018.15
5.6.130.0000.08018.24
5.6.120.0100.04721.02
5.6.110.0100.08021.02
5.6.100.0030.09321.13
5.6.90.0070.07720.95
5.6.80.0070.07020.41
5.5.350.0230.07720.45
5.5.340.0030.04018.05
5.5.330.0100.04320.41
5.5.320.0370.07020.34
5.5.310.0330.07320.24
5.5.300.0070.07717.95
5.5.290.0130.07717.96
5.5.280.0130.08320.93
5.5.270.0030.07720.78
5.5.260.0070.05320.96
5.5.250.0100.08320.68
5.5.240.0200.07020.29
5.4.450.0330.04319.47
5.4.440.0100.04319.47
5.4.430.0130.03719.47
5.4.420.0530.04019.56
5.4.410.0300.04019.26
5.4.400.0130.04718.84
5.4.390.0070.04718.98
5.4.380.0330.05318.85
5.4.370.0170.07018.52
5.4.360.0400.06018.51
5.4.350.0300.05718.47
5.4.340.0400.05318.77
5.4.320.0040.03812.51
5.4.310.0070.03712.50
5.4.300.0050.03712.51
5.4.290.0040.04012.50
5.4.280.0100.04112.40
5.4.270.0080.03712.40
5.4.260.0040.03912.40
5.4.250.0020.04212.40
5.4.240.0080.04012.40
5.4.230.0050.03712.39
5.4.220.0070.03612.39
5.4.210.0070.03812.39
5.4.200.0050.03812.39
5.4.190.0080.03612.39
5.4.180.0050.04112.38
5.4.170.0050.03612.39
5.4.160.0060.03712.39
5.4.150.0060.03712.38
5.4.140.0050.03812.07
5.4.130.0060.03612.06
5.4.120.0040.03812.01
5.4.110.0040.04012.02
5.4.100.0090.03412.01
5.4.90.0060.03712.01
5.4.80.0020.04012.01
5.4.70.0040.03712.01
5.4.60.0060.03412.01
5.4.50.0070.03412.01
5.4.40.0040.03711.99
5.4.30.0050.03712.00
5.4.20.0080.03811.99
5.4.10.0040.03611.99
5.4.00.0070.03411.48
5.3.290.0080.03712.80
5.3.280.0090.03512.71
5.3.270.0060.03912.72
5.3.260.0070.03712.72
5.3.250.0070.03612.72
5.3.240.0090.03412.72
5.3.230.0070.04712.71
5.3.220.0040.04112.68
5.3.210.0070.03912.68
5.3.200.0060.03812.68
5.3.190.0050.03912.68
5.3.180.0070.03612.68
5.3.170.0070.03512.67
5.3.160.0070.03512.67
5.3.150.0030.03912.67
5.3.140.0050.04212.66
5.3.130.0110.03812.66
5.3.120.0110.03612.66
5.3.110.0110.04112.66
5.3.100.0110.04812.12
5.3.90.0070.05112.10
5.3.80.0070.03612.09
5.3.70.0070.03812.09
5.3.60.0070.03512.08
5.3.50.0040.03712.01
5.3.40.0030.03812.01
5.3.30.0060.04211.98
5.3.20.0050.03711.76
5.3.10.0050.03511.73
5.3.00.0030.03911.72
5.2.170.0030.0329.21
5.2.160.0060.0289.21
5.2.150.0080.0279.21
5.2.140.0090.0369.21
5.2.130.0050.0309.17
5.2.120.0050.0289.16
5.2.110.0090.0319.17
5.2.100.0040.0399.17
5.2.90.0050.0289.17
5.2.80.0060.0299.16
5.2.70.0050.0299.16
5.2.60.0040.0309.13
5.2.50.0050.0309.09
5.2.40.0030.0319.07
5.2.30.0030.0329.04
5.2.20.0070.0299.03
5.2.10.0060.0268.93
5.2.00.0010.0328.80
5.1.60.0060.0218.08
5.1.50.0070.0218.08
5.1.40.0030.0258.05
5.1.30.0050.0258.41
5.1.20.0040.0288.43
5.1.10.0050.0248.16
5.1.00.0050.0248.16
5.0.50.0020.0226.63
5.0.40.0050.0176.50
5.0.30.0050.0296.30
5.0.20.0030.0196.27
5.0.10.0040.0196.25
5.0.00.0010.0326.25
4.4.90.0020.0164.78
4.4.80.0030.0144.75
4.4.70.0030.0144.75
4.4.60.0020.0154.75
4.4.50.0040.0144.77
4.4.40.0020.0264.71
4.4.30.0030.0154.76
4.4.20.0050.0144.84
4.4.10.0030.0164.85
4.4.00.0030.0244.76
4.3.110.0050.0144.67
4.3.100.0020.0164.67
4.3.90.0020.0164.63
4.3.80.0030.0254.58
4.3.70.0020.0154.63
4.3.60.0060.0124.63
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0020.0163.29
4.3.20.0030.0153.27
4.3.10.0060.0123.23
4.3.00.0000.02018.41

preferences:
50.89 ms | 400 KiB | 5 Q