3v4l.org

run code in 300+ PHP versions simultaneously
<?php function countRows($parameters){ foreach ($parameters as $key => $parameter) { var_dump([$key, $parameter]); } } $parameters = [ "key" => "parameter", "key2 " => "parameter2" ]; countRows($parameters);

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)
8.3.60.0070.00716.75
8.3.50.0110.00522.90
8.3.40.0040.01118.81
8.3.30.0070.00718.92
8.3.20.0070.00020.21
8.3.10.0050.00323.65
8.3.00.0040.00419.05
8.2.180.0120.00318.06
8.2.170.0100.00322.96
8.2.160.0090.00620.31
8.2.150.0120.00624.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00020.97
8.2.110.0070.00320.09
8.2.100.0070.00418.22
8.2.90.0090.00019.26
8.2.80.0050.00317.97
8.2.70.0080.00017.38
8.2.60.0040.00417.92
8.2.50.0080.00018.07
8.2.40.0040.00418.16
8.2.30.0040.00419.49
8.2.20.0050.00217.55
8.2.10.0020.00517.98
8.2.00.0060.00317.76
8.1.280.0100.01025.92
8.1.270.0080.00023.79
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00723.79
8.1.230.0040.00719.04
8.1.220.0000.00717.77
8.1.210.0040.00418.77
8.1.200.0070.00317.13
8.1.190.0030.00617.35
8.1.180.0000.00818.10
8.1.170.0040.00418.56
8.1.160.0070.00022.01
8.1.150.0040.00418.88
8.1.140.0070.00017.40
8.1.130.0070.00017.77
8.1.120.0030.00517.45
8.1.110.0040.00417.44
8.1.100.0070.00017.34
8.1.90.0030.00317.46
8.1.80.0040.00417.34
8.1.70.0040.00417.33
8.1.60.0040.00417.55
8.1.50.0000.00817.54
8.1.40.0000.00717.43
8.1.30.0050.00317.50
8.1.20.0070.00017.56
8.1.10.0060.00317.40
8.1.00.0040.00417.40
8.0.300.0080.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00318.49
8.0.270.0030.00317.30
8.0.260.0030.00317.13
8.0.250.0040.00416.93
8.0.240.0040.00416.95
8.0.230.0070.00016.96
8.0.220.0030.00316.91
8.0.210.0030.00316.89
8.0.200.0070.00016.90
8.0.190.0060.00316.94
8.0.180.0060.00316.88
8.0.170.0000.00716.92
8.0.160.0070.00016.89
8.0.150.0070.00016.80
8.0.140.0040.00416.76
8.0.130.0050.00013.35
8.0.120.0000.00816.80
8.0.110.0000.00716.86
8.0.100.0000.00716.77
8.0.90.0000.00716.89
8.0.80.0150.00616.87
8.0.70.0040.00416.84
8.0.60.0000.00716.93
8.0.50.0000.00716.69
8.0.30.0090.01017.27
8.0.20.0090.01017.40
8.0.10.0000.00916.88
8.0.00.0100.00816.61
7.4.330.0050.00015.02
7.4.320.0060.00016.50
7.4.300.0000.00616.40
7.4.290.0000.00716.40
7.4.280.0070.00016.56
7.4.270.0070.00016.44
7.4.260.0070.00016.62
7.4.250.0000.00716.55
7.4.240.0070.00016.60
7.4.230.0070.00016.40
7.4.220.0110.00716.61
7.4.210.0000.01516.55
7.4.200.0000.00716.49
7.4.160.0030.01316.32
7.4.150.0190.00017.40
7.4.140.0100.00917.86
7.4.130.0050.01216.65
7.4.120.0120.00916.50
7.4.110.0100.00716.42
7.4.100.0100.00716.52
7.4.90.0160.00016.35
7.4.80.0050.01119.39
7.4.70.0050.01116.63
7.4.60.0090.00916.59
7.4.50.0030.00516.34
7.4.40.0090.00616.53
7.4.30.0060.00916.52
7.4.00.0110.00414.89
7.3.330.0000.00513.30
7.3.320.0050.00013.27
7.3.310.0070.00016.42
7.3.300.0050.00216.30
7.3.290.0060.01316.31
7.3.280.0070.01016.30
7.3.270.0070.01017.40
7.3.260.0090.00916.50
7.3.250.0120.00916.31
7.3.240.0110.00716.37
7.3.230.0070.01016.39
7.3.210.0080.00816.27
7.3.200.0100.00719.39
7.3.190.0120.00616.45
7.3.180.0090.00616.60
7.3.170.0030.01316.63
7.3.160.0100.00616.25
7.2.330.0000.01716.68
7.2.320.0130.00316.68
7.2.310.0080.01616.63
7.2.300.0170.01016.68
7.2.290.0040.01216.75
7.2.60.0060.00816.91
7.2.00.0070.00718.95
7.1.200.0060.00615.50
7.1.100.0040.00718.36
7.1.70.0040.00417.10
7.1.60.0070.01619.46
7.1.50.0100.01316.74
7.1.00.0070.07322.28
7.0.200.0000.00716.80
7.0.140.0000.08021.95
7.0.60.0130.07719.86
7.0.50.0070.08317.86
7.0.40.0000.05720.13
7.0.30.0270.07320.13
7.0.20.0200.04020.21
7.0.10.0030.04320.17
7.0.00.0030.07720.11
5.6.280.0000.07720.98
5.6.210.0170.07720.52
5.6.200.0070.04318.18
5.6.190.0030.06720.52
5.6.180.0270.04720.57
5.6.170.0400.07320.45
5.6.160.0070.07720.54
5.6.150.0070.08718.27
5.6.140.0100.07018.27
5.6.130.0030.04318.18
5.6.120.0100.05720.81
5.6.110.0030.09020.89
5.6.100.0030.08721.06
5.6.90.0070.08321.04
5.6.80.0170.07320.38
5.5.350.0270.07020.48
5.5.340.0030.08717.99
5.5.330.0000.07020.28
5.5.320.0000.04320.23
5.5.310.0270.07320.34
5.5.300.0130.07318.05
5.5.290.0100.08318.00
5.5.280.0070.08320.78
5.5.270.0230.06720.64
5.5.260.0130.08020.84
5.5.250.0030.06320.54
5.5.240.0200.08020.07
5.4.450.0070.05319.59
5.4.440.0100.05719.17
5.4.430.0270.03319.56
5.4.420.0530.04319.32
5.4.410.0600.04019.18
5.4.400.0330.04019.21
5.4.390.0170.04719.14
5.4.380.0230.06018.51
5.4.370.0270.04718.71
5.4.360.0400.06318.52
5.4.350.0370.05018.62
5.4.340.0170.05718.79
5.4.320.0080.03612.51
5.4.310.0070.04712.50
5.4.300.0060.04212.50
5.4.290.0060.04412.50
5.4.280.0080.03412.40
5.4.270.0050.03612.39
5.4.260.0070.03712.40
5.4.250.0100.03912.40
5.4.240.0070.03612.40
5.4.230.0080.03712.39
5.4.220.0070.04412.39
5.4.210.0090.03912.39
5.4.200.0070.04012.39
5.4.190.0090.03512.39
5.4.180.0050.04312.39
5.4.170.0120.03112.39
5.4.160.0120.03712.39
5.4.150.0100.03612.39
5.4.140.0070.03912.07
5.4.130.0070.04012.05
5.4.120.0050.05112.02
5.4.110.0080.03912.02
5.4.100.0080.03812.02
5.4.90.0070.03912.01
5.4.80.0070.04612.01
5.4.70.0080.03312.01
5.4.60.0080.03312.01
5.4.50.0060.03812.00
5.4.40.0090.03512.00
5.4.30.0090.04011.99
5.4.20.0080.03811.99
5.4.10.0060.03611.99
5.4.00.0060.03511.48
5.3.290.0060.03912.80
5.3.280.0070.04412.71
5.3.270.0050.04212.72
5.3.260.0070.03912.72
5.3.250.0070.03812.72
5.3.240.0060.03812.72
5.3.230.0100.03712.71
5.3.220.0070.03612.68
5.3.210.0090.04412.68
5.3.200.0080.03412.68
5.3.190.0090.03412.68
5.3.180.0060.03712.68
5.3.170.0070.03812.67
5.3.160.0070.03712.67
5.3.150.0080.04712.67
5.3.140.0110.03312.66
5.3.130.0070.04512.66
5.3.120.0120.04412.66
5.3.110.0090.03612.66
5.3.100.0050.04112.13
5.3.90.0100.03612.11
5.3.80.0090.03512.09
5.3.70.0090.04112.09
5.3.60.0110.03712.09
5.3.50.0110.03512.02
5.3.40.0080.03512.02
5.3.30.0060.03911.98
5.3.20.0060.04111.76
5.3.10.0070.03411.73
5.3.00.0050.03811.71
5.2.170.0010.0349.21
5.2.160.0100.0299.22
5.2.150.0090.0289.22
5.2.140.0080.0339.21
5.2.130.0060.0389.17
5.2.120.0080.0339.17
5.2.110.0040.0319.18
5.2.100.0080.0359.18
5.2.90.0060.0299.18
5.2.80.0060.0339.18
5.2.70.0030.0329.18
5.2.60.0040.0319.13
5.2.50.0030.0389.09
5.2.40.0070.0349.07
5.2.30.0030.0389.05
5.2.20.0080.0279.05
5.2.10.0110.0378.95
5.2.00.0060.0348.80
5.1.60.0060.0308.09
5.1.50.0070.0298.09
5.1.40.0050.0248.06
5.1.30.0030.0288.42
5.1.20.0050.0288.43
5.1.10.0090.0298.17
5.1.00.0030.0298.16
5.0.50.0030.0326.64
5.0.40.0040.0186.50
5.0.30.0050.0296.31
5.0.20.0020.0206.28
5.0.10.0040.0196.26
5.0.00.0040.0306.25
4.4.90.0030.0154.78
4.4.80.0030.0204.75
4.4.70.0050.0214.75
4.4.60.0020.0264.75
4.4.50.0060.0174.77
4.4.40.0070.0264.71
4.4.30.0040.0154.76
4.4.20.0020.0174.85
4.4.10.0010.0174.85
4.4.00.0030.0274.76
4.3.110.0040.0184.67
4.3.100.0020.0184.67
4.3.90.0040.0154.64
4.3.80.0040.0264.58
4.3.70.0040.0134.63
4.3.60.0060.0174.63
4.3.50.0030.0184.63
4.3.40.0040.0304.54
4.3.30.0030.0213.30
4.3.20.0040.0283.28
4.3.10.0030.0153.24
4.3.00.0070.02318.56

preferences:
42.6 ms | 401 KiB | 5 Q