3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('key' => 'value'); //array_map(function($k, $v){var_dump($k, $v);}, array_keys($arr), $arr); array_map(function($a){ var_dump(key($a)); }, $arr);

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)
8.3.60.0170.00318.43
8.3.50.0050.01022.91
8.3.40.0080.00818.85
8.3.30.0140.00019.24
8.3.20.0040.00420.30
8.3.10.0080.00021.61
8.3.00.0000.00817.38
8.2.180.0080.00818.56
8.2.170.0090.00922.96
8.2.160.0110.00420.26
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0070.01126.16
8.2.120.0040.00421.16
8.2.110.0060.00322.31
8.2.100.0080.00417.70
8.2.90.0040.00419.13
8.2.80.0050.00317.97
8.2.70.0100.00017.50
8.2.60.0090.00018.04
8.2.50.0030.00518.07
8.2.40.0040.00418.22
8.2.30.0040.00418.12
8.2.20.0000.00817.63
8.2.10.0000.00718.19
8.2.00.0000.00817.83
8.1.280.0070.00725.92
8.1.270.0040.00423.71
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0000.00923.91
8.1.230.0080.00319.23
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0020.00517.35
8.1.180.0000.00818.10
8.1.170.0030.00518.59
8.1.160.0040.00421.96
8.1.150.0000.00718.85
8.1.140.0040.00417.50
8.1.130.0030.00317.83
8.1.120.0000.00717.55
8.1.110.0000.00817.46
8.1.100.0000.00717.36
8.1.90.0000.00717.46
8.1.80.0030.00317.53
8.1.70.0000.00717.49
8.1.60.0050.00317.60
8.1.50.0000.00917.43
8.1.40.0030.00617.41
8.1.30.0000.00817.55
8.1.20.0040.00417.59
8.1.10.0000.00817.59
8.1.00.0050.00217.54
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00518.38
8.0.270.0030.00317.19
8.0.260.0000.00617.13
8.0.250.0070.00016.91
8.0.240.0030.00316.93
8.0.230.0000.00716.90
8.0.220.0030.00416.80
8.0.210.0000.00816.87
8.0.200.0040.00416.89
8.0.190.0000.00716.99
8.0.180.0040.00416.86
8.0.170.0000.00816.87
8.0.160.0030.00316.95
8.0.150.0030.00316.87
8.0.140.0070.00416.81
8.0.130.0000.00513.38
8.0.120.0000.00816.94
8.0.110.0070.00016.92
8.0.100.0070.00016.91
8.0.90.0030.00316.96
8.0.80.0030.01216.96
8.0.70.0040.00416.81
8.0.60.0040.00416.98
8.0.50.0020.00516.86
8.0.30.0140.00817.21
8.0.20.0180.00417.40
8.0.10.0040.00416.92
8.0.00.0090.00916.71
7.4.330.0030.00315.00
7.4.320.0000.00616.50
7.4.300.0060.00016.59
7.4.290.0070.00016.41
7.4.280.0080.00016.51
7.4.270.0050.00316.58
7.4.260.0070.00016.48
7.4.250.0000.00716.48
7.4.240.0020.00516.57
7.4.230.0030.00316.54
7.4.220.0070.01316.52
7.4.210.0140.00316.63
7.4.200.0040.00416.61
7.4.160.0080.00816.59
7.4.150.0130.00617.40
7.4.140.0080.00817.86
7.4.130.0080.01216.63
7.4.120.0030.01416.51
7.4.110.0080.00816.54
7.4.100.0090.00916.46
7.4.90.0100.00716.37
7.4.80.0070.01019.39
7.4.70.0130.00316.53
7.4.60.0120.00316.54
7.4.50.0000.00816.19
7.4.40.0140.00416.57
7.4.30.0110.01016.63
7.4.00.0140.00014.84
7.3.330.0030.00313.15
7.3.320.0000.00613.28
7.3.310.0000.00716.29
7.3.300.0070.00016.16
7.3.290.0070.00716.36
7.3.280.0100.00816.27
7.3.270.0070.01017.40
7.3.260.0130.00316.26
7.3.250.0100.00916.30
7.3.240.0150.00716.36
7.3.230.0120.00416.39
7.3.210.0100.00716.57
7.3.200.0170.00019.39
7.3.190.0210.00016.54
7.3.180.0120.00916.45
7.3.170.0070.01316.45
7.3.160.0200.00316.39
7.2.330.0060.01216.51
7.2.320.0030.01316.29
7.2.310.0120.00616.60
7.2.300.0030.01316.56
7.2.290.0070.01016.53
7.2.60.0070.00716.85
7.2.00.0090.00619.18
7.1.200.0060.00615.63
7.1.100.0000.01118.11
7.1.70.0000.01216.86
7.1.60.0070.01319.40
7.1.50.0090.01316.89
7.1.00.0100.07022.51
7.0.200.0030.00616.64
7.0.140.0070.07021.97
7.0.60.0000.04320.06
7.0.50.0070.06717.86
7.0.40.0030.04320.17
7.0.30.0300.07320.08
7.0.20.0330.03720.30
7.0.10.0030.05720.05
7.0.00.0100.07320.07
5.6.280.0070.07021.15
5.6.210.0070.08020.48
5.6.200.0030.04718.19
5.6.190.0030.07320.60
5.6.180.0370.06320.41
5.6.170.1130.04320.54
5.6.160.0100.07320.57
5.6.150.0070.06718.17
5.6.140.0000.04018.15
5.6.130.0030.08718.29
5.6.120.0030.05321.12
5.6.110.0070.09021.03
5.6.100.0000.04320.98
5.6.90.0000.04320.95
5.6.80.0130.07320.41
5.5.350.0230.04320.30
5.5.340.0100.07317.95
5.5.330.0100.03720.30
5.5.320.0270.06320.32
5.5.310.0400.07320.51
5.5.300.0070.05017.95
5.5.290.0030.07717.98
5.5.280.0100.08020.85
5.5.270.0030.06720.84
5.5.260.0170.07720.89
5.5.250.0200.07320.62
5.5.240.0030.07720.12
5.4.450.0900.04319.55
5.4.440.0300.05319.23
5.4.430.0430.06019.59
5.4.420.0200.05319.64
5.4.410.0100.06019.38
5.4.400.0200.05018.87
5.4.390.0070.06019.04
5.4.380.0070.05718.53
5.4.370.0200.04018.68
5.4.360.0270.04318.63
5.4.350.0070.04312.02
5.4.340.0050.03612.02
5.4.320.0090.04012.50
5.4.310.0080.04512.50
5.4.300.0050.04112.51
5.4.290.0070.04312.50
5.4.280.0030.04012.40
5.4.270.0080.04212.39
5.4.260.0100.03812.39
5.4.250.0090.03612.39
5.4.240.0100.04112.39
5.4.230.0120.03612.39
5.4.220.0100.03512.39
5.4.210.0060.03712.39
5.4.200.0060.04112.39
5.4.190.0070.03812.39
5.4.180.0040.03812.39
5.4.170.0070.03812.39
5.4.160.0050.04212.39
5.4.150.0070.03712.39
5.4.140.0040.03812.07
5.4.130.0070.03812.06
5.4.120.0050.03912.02
5.4.110.0060.03512.02
5.4.100.0060.03512.01
5.4.90.0030.03812.01
5.4.80.0040.03812.01
5.4.70.0060.03412.01
5.4.60.0070.03712.01
5.4.50.0050.03512.01
5.4.40.0040.03812.00
5.4.30.0060.04011.99
5.4.20.0060.03412.00
5.4.10.0040.03611.99
5.4.00.0030.03811.48
5.3.290.0030.04612.80
5.3.280.0100.04812.71
5.3.270.0040.04912.73
5.3.260.0070.04112.72
5.3.250.0060.03912.71
5.3.240.0070.03712.72
5.3.230.0080.03812.71
5.3.220.0120.03912.68
5.3.210.0060.04112.68
5.3.200.0070.03612.68
5.3.190.0110.03412.67
5.3.180.0060.04312.67
5.3.170.0080.04312.67
5.3.160.0060.03712.67
5.3.150.0100.03912.67
5.3.140.0050.04612.66
5.3.130.0080.03612.65
5.3.120.0050.04012.65
5.3.110.0070.03612.66
5.3.100.0090.03612.12
5.3.90.0090.04512.09
5.3.80.0050.04412.09
5.3.70.0070.04612.09
5.3.60.0090.04312.07
5.3.50.0080.03612.02
5.3.40.0080.04012.02
5.3.30.0100.03311.98
5.3.20.0080.03911.77
5.3.10.0080.03811.73
5.3.00.0050.03811.72
5.2.170.0060.0339.18
5.2.160.0050.0379.18
5.2.150.0080.0299.18
5.2.140.0060.0379.18
5.2.130.0040.0349.14
5.2.120.0050.0279.14
5.2.110.0080.0259.15
5.2.100.0040.0299.14
5.2.90.0030.0309.14
5.2.80.0080.0339.14
5.2.70.0060.0359.14
5.2.60.0040.0329.09
5.2.50.0060.0299.06
5.2.40.0060.0289.04
5.2.30.0040.0309.02
5.2.20.0070.0309.00
5.2.10.0060.0288.92
5.2.00.0070.0348.78
5.1.60.0060.0248.06
5.1.50.0040.0368.06
5.1.40.0080.0278.05
5.1.30.0080.0278.40
5.1.20.0030.0298.42
5.1.10.0060.0238.14
5.1.00.0050.0308.14
5.0.50.0030.0216.63
5.0.40.0030.0196.48
5.0.30.0020.0346.29
5.0.20.0040.0216.26
5.0.10.0050.0286.24
5.0.00.0040.0326.23
4.4.90.0020.0174.78
4.4.80.0050.0154.75
4.4.70.0020.0194.75
4.4.60.0060.0194.75
4.4.50.0020.0164.77
4.4.40.0050.0264.71
4.4.30.0020.0244.76
4.4.20.0060.0174.85
4.4.10.0080.0134.84
4.4.00.0050.0264.76
4.3.110.0060.0224.67
4.3.100.0050.0144.66
4.3.90.0020.0234.63
4.3.80.0040.0284.59
4.3.70.0010.0164.63
4.3.60.0020.0224.63
4.3.50.0040.0194.63
4.3.40.0040.0244.54
4.3.30.0020.0173.28
4.3.20.0030.0223.27
4.3.10.0020.0153.22
4.3.00.0130.0207.21

preferences:
51.84 ms | 401 KiB | 5 Q