3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_STRICT); function optionalParam($x = 1, $y = 5, $z) { if ((!$z > 0)) { $z = 1; } for($count = $x; $count < $y; $count+= $z) { echo "#"; } } optionalParam(2,4,2); ?>

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)
8.3.70.0160.00616.88
8.3.60.0040.01216.59
8.3.50.0100.01023.00
8.3.40.0110.00418.75
8.3.30.0070.00719.01
8.3.20.0040.00420.16
8.3.10.0080.00023.64
8.3.00.0080.00019.25
8.2.180.0110.00716.63
8.2.170.0110.00322.96
8.2.160.0100.00320.55
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00726.16
8.2.120.0040.00420.96
8.2.110.0030.00722.29
8.2.100.0140.00017.90
8.2.90.0060.00319.38
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0000.00817.93
8.2.50.0030.00618.07
8.2.40.0050.00218.08
8.2.30.0060.00318.15
8.2.20.0060.00317.75
8.2.10.0040.00418.13
8.2.00.0070.00017.62
8.1.280.0090.01325.92
8.1.270.0040.00423.72
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0090.00022.46
8.1.230.0040.00821.03
8.1.220.0040.00418.77
8.1.210.0030.00518.81
8.1.200.0080.00317.35
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0040.00422.01
8.1.150.0040.00418.78
8.1.140.0040.00417.45
8.1.130.0000.00717.80
8.1.120.0000.00817.49
8.1.110.0060.00317.32
8.1.100.0000.00817.36
8.1.90.0040.00417.48
8.1.80.0000.00717.48
8.1.70.0040.00417.41
8.1.60.0080.00017.54
8.1.50.0080.00017.41
8.1.40.0030.00617.54
8.1.30.0000.00817.54
8.1.20.0070.00017.66
8.1.10.0040.00417.40
8.1.00.0040.00417.38
8.0.300.0070.00319.82
8.0.290.0020.00616.88
8.0.280.0070.00018.31
8.0.270.0000.00717.26
8.0.260.0000.00617.13
8.0.250.0030.00316.99
8.0.240.0030.00716.96
8.0.230.0040.00417.05
8.0.220.0000.00716.88
8.0.210.0030.00316.91
8.0.200.0030.00316.88
8.0.190.0040.00417.01
8.0.180.0040.00416.96
8.0.170.0030.00516.92
8.0.160.0000.00716.92
8.0.150.0000.00716.78
8.0.140.0040.00416.88
8.0.130.0000.00613.44
8.0.120.0030.00516.82
8.0.110.0030.00516.96
8.0.100.0000.00816.98
8.0.90.0000.00717.00
8.0.80.0030.01616.93
8.0.70.0000.00816.97
8.0.60.0070.00017.00
8.0.50.0000.00717.01
8.0.30.0140.00817.08
8.0.20.0260.01617.40
8.0.10.0050.00216.92
8.0.00.0130.00616.87
7.4.330.0000.00515.18
7.4.320.0080.00016.48
7.4.300.0060.00016.52
7.4.290.0000.00716.52
7.4.280.0060.00616.61
7.4.270.0030.00316.43
7.4.260.0070.00016.47
7.4.250.0050.00216.57
7.4.240.0020.00516.53
7.4.230.0030.00316.31
7.4.220.0120.00616.42
7.4.210.0030.01416.61
7.4.200.0040.00416.40
7.4.160.0060.01016.49
7.4.150.0000.01917.40
7.4.140.0090.00717.86
7.4.130.0140.00416.40
7.4.120.0110.00916.38
7.4.110.0070.01016.43
7.4.100.0070.01016.63
7.4.90.0060.01216.30
7.4.80.0030.01219.39
7.4.70.0100.00716.51
7.4.60.0170.00016.43
7.4.50.0030.00516.42
7.4.40.0090.00616.36
7.4.30.0070.01016.45
7.4.00.0070.00714.88
7.3.330.0030.00313.29
7.3.320.0070.00013.34
7.3.310.0000.00716.23
7.3.300.0040.00416.36
7.3.290.0070.01416.35
7.3.280.0060.00916.35
7.3.270.0170.00017.40
7.3.260.0130.01016.63
7.3.250.0100.00816.40
7.3.240.0070.01316.61
7.3.230.0030.01316.45
7.3.210.0100.00716.55
7.3.200.0030.01319.39
7.3.190.0130.00316.32
7.3.180.0060.01016.28
7.3.170.0070.01016.38
7.3.160.0090.00616.45
7.2.330.0070.01016.63
7.2.320.0100.00816.64
7.2.310.0120.00316.36
7.2.300.0080.00816.36
7.2.290.0120.00616.39
7.2.00.0050.00519.40
7.1.100.0000.01018.10
7.1.70.0030.01217.34
7.1.60.0100.01419.40
7.1.50.0070.01417.02
7.1.00.0030.07722.45
7.0.200.0030.00316.54
7.0.140.0130.06321.99
7.0.60.0100.07719.93
7.0.50.0030.05017.87
7.0.40.0000.05020.11
7.0.30.0530.07720.25
7.0.20.0270.04020.24
7.0.10.0100.05320.30
7.0.00.0000.04720.09
5.6.280.0100.06720.86
5.6.210.0000.08720.68
5.6.200.0130.07718.18
5.6.190.0130.07320.51
5.6.180.0430.07020.46
5.6.170.0170.05720.54
5.6.160.0070.04020.55
5.6.150.0100.03318.19
5.6.140.0000.04318.25
5.6.130.0100.05718.20
5.6.120.0030.05021.10
5.6.110.0000.05320.99
5.6.100.0070.06021.04
5.6.90.0030.04021.13
5.6.80.0030.07320.54
5.5.350.0170.06320.42
5.5.340.0070.04718.08
5.5.330.0000.05320.21
5.5.320.0370.07720.38
5.5.310.0330.06320.27
5.5.300.0000.08018.08
5.5.290.0030.05717.94
5.5.280.0030.04020.65
5.5.270.0230.03320.75
5.5.260.0100.05020.88
5.5.250.0100.07320.58
5.5.240.0130.08320.26
5.4.450.0230.05319.31
5.4.440.0170.04319.30
5.4.430.0270.04719.52
5.4.420.0300.05019.54
5.4.410.0100.04019.33
5.4.400.0330.04018.85
5.4.390.0200.04018.95
5.4.380.0330.05018.79
5.4.370.0270.08018.72
5.4.360.0300.05318.69
5.4.350.0270.05718.83
5.4.340.0430.05318.50
5.4.320.0050.03812.50
5.4.310.0040.04112.50
5.4.300.0050.03612.50
5.4.290.0040.03912.50
5.4.280.0030.03812.39
5.4.270.0070.04112.40
5.4.260.0070.03512.39
5.4.250.0040.03812.39
5.4.240.0080.04712.40
5.4.230.0050.03912.39
5.4.220.0050.04312.39
5.4.210.0020.04712.39
5.4.200.0050.04412.39
5.4.190.0070.03512.39
5.4.180.0070.03512.39
5.4.170.0060.03512.39
5.4.160.0040.04212.39
5.4.150.0030.04512.39
5.4.140.0050.03712.07
5.4.130.0070.04112.05
5.4.120.0090.03412.01
5.4.110.0050.03612.01
5.4.100.0030.03812.02
5.4.90.0090.03812.01
5.4.80.0040.03912.01
5.4.70.0080.03912.01
5.4.60.0090.03612.01
5.4.50.0040.03712.01
5.4.40.0030.03712.00
5.4.30.0050.03512.00
5.4.20.0060.03412.00
5.4.10.0030.03911.99
5.4.00.0070.03411.48
5.3.290.0040.04012.80
5.3.280.0080.03712.71
5.3.270.0100.03512.72
5.3.260.0050.04512.72
5.3.250.0080.03812.72
5.3.240.0030.04012.72
5.3.230.0060.03712.71
5.3.220.0060.03612.68
5.3.210.0090.03612.68
5.3.200.0050.03712.68
5.3.190.0060.03912.68
5.3.180.0100.03212.67
5.3.170.0070.03612.67
5.3.160.0020.04012.67
5.3.150.0080.03512.67
5.3.140.0070.03512.66
5.3.130.0040.04012.66
5.3.120.0060.03812.66
5.3.110.0010.04312.65
5.3.100.0030.03912.12
5.3.90.0030.04212.10
5.3.80.0030.04012.09
5.3.70.0080.04212.09
5.3.60.0060.03912.07
5.3.50.0050.04312.02
5.3.40.0080.03512.02
5.3.30.0070.03411.97
5.3.20.0060.03511.76
5.3.10.0060.03511.73
5.3.00.0080.04711.72
5.2.170.0040.0379.21
5.2.160.0040.0299.22
5.2.150.0050.0299.22
5.2.140.0050.0299.21
5.2.130.0050.0289.17
5.2.120.0070.0279.17
5.2.110.0070.0269.18
5.2.100.0030.0309.18
5.2.90.0070.0279.17
5.2.80.0040.0309.16
5.2.70.0060.0329.17
5.2.60.0050.0299.13
5.2.50.0060.0319.09
5.2.40.0060.0389.07
5.2.30.0060.0289.04
5.2.20.0040.0309.03
5.2.10.0070.0258.94
5.2.00.0060.0298.80
5.1.60.0030.0258.09
5.1.50.0050.0248.08
5.1.40.0050.0238.06
5.1.30.0020.0278.41
5.1.20.0040.0268.43
5.1.10.0030.0278.16
5.1.00.0050.0258.17
5.0.50.0050.0196.63
5.0.40.0030.0256.50
5.0.30.0040.0316.30
5.0.20.0060.0216.28
5.0.10.0050.0216.25
5.0.00.0030.0326.25
4.4.90.0030.0224.77
4.4.80.0010.0214.76
4.4.70.0070.0204.75
4.4.60.0030.0154.75
4.4.50.0050.0224.77
4.4.40.0060.0274.71
4.4.30.0020.0204.76
4.4.20.0010.0174.85
4.4.10.0040.0154.85
4.4.00.0040.0254.76
4.3.110.0050.0184.67
4.3.100.0030.0254.67
4.3.90.0040.0174.64
4.3.80.0030.0304.58
4.3.70.0030.0144.63
4.3.60.0010.0164.63
4.3.50.0040.0204.63
4.3.40.0020.0284.54
4.3.30.0040.0193.30
4.3.20.0050.0233.28
4.3.10.0040.0203.24
4.3.00.0030.01715.62

preferences:
63.41 ms | 401 KiB | 5 Q