3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('a', 'b', 'c'); function nestArray($arr) { if(empty($arr)) { return array(); } return array(array_shift($arr) => nestArray($arr)); } var_dump(nestArray($array));

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)
8.3.70.0070.00716.48
8.3.60.0070.00718.68
8.3.50.0070.01121.95
8.3.40.0150.00018.63
8.3.30.0140.00318.79
8.3.20.0040.00420.16
8.3.10.0080.00023.66
8.3.00.0030.00717.50
8.2.180.0140.00318.29
8.2.170.0070.00722.96
8.2.160.0080.00620.57
8.2.150.0090.00925.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00022.36
8.2.110.0030.00719.27
8.2.100.0050.00517.84
8.2.90.0000.00919.22
8.2.80.0080.00017.97
8.2.70.0030.00517.50
8.2.60.0100.00017.80
8.2.50.0030.00518.07
8.2.40.0080.00018.34
8.2.30.0000.00717.99
8.2.20.0040.00417.68
8.2.10.0040.00418.03
8.2.00.0040.00717.69
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00320.90
8.1.230.0080.00320.79
8.1.220.0090.00017.74
8.1.210.0080.00018.77
8.1.200.0040.00417.23
8.1.190.0080.00016.98
8.1.180.0040.00418.10
8.1.170.0050.00318.52
8.1.160.0040.00322.00
8.1.150.0000.00718.73
8.1.140.0000.00717.32
8.1.130.0050.00317.78
8.1.120.0000.00717.41
8.1.110.0000.00917.42
8.1.100.0070.00017.40
8.1.90.0050.00217.41
8.1.80.0050.00217.27
8.1.70.0030.00317.28
8.1.60.0060.00317.61
8.1.50.0000.00817.54
8.1.40.0030.00517.38
8.1.30.0040.00417.59
8.1.20.0000.00817.64
8.1.10.0080.00017.61
8.1.00.0000.00717.46
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.50
8.0.270.0030.00316.76
8.0.260.0040.00417.23
8.0.250.0000.00716.93
8.0.240.0000.00616.88
8.0.230.0050.00216.81
8.0.220.0030.00316.84
8.0.210.0050.00216.71
8.0.200.0080.00016.88
8.0.190.0040.00416.88
8.0.180.0070.00016.79
8.0.170.0050.00316.77
8.0.160.0040.00416.92
8.0.150.0050.00316.72
8.0.140.0080.00016.73
8.0.130.0030.00613.18
8.0.120.0080.00016.89
8.0.110.0000.00716.77
8.0.100.0000.00716.84
8.0.90.0000.00716.69
8.0.80.0000.01416.77
8.0.70.0020.00516.70
8.0.60.0050.00316.79
8.0.50.0020.00516.83
8.0.30.0110.00917.15
8.0.20.0090.01317.40
8.0.10.0070.00016.81
8.0.00.0090.00916.67
7.4.330.0050.00015.07
7.4.320.0000.00616.34
7.4.300.0000.00616.59
7.4.290.0000.00616.40
7.4.280.0030.00516.50
7.4.270.0030.00316.52
7.4.260.0070.00316.57
7.4.250.0040.00416.46
7.4.240.0050.00216.52
7.4.230.0030.00316.71
7.4.220.0090.00916.57
7.4.210.0040.01116.56
7.4.200.0030.00316.43
7.4.160.0180.00416.34
7.4.150.0090.00917.40
7.4.140.0050.01817.86
7.4.130.0110.00716.45
7.4.120.0070.01016.49
7.4.110.0080.01116.47
7.4.100.0090.00816.46
7.4.90.0120.00616.30
7.4.80.0120.00919.39
7.4.70.0070.01016.45
7.4.60.0060.00916.20
7.4.50.0040.00016.06
7.4.40.0170.00416.60
7.4.30.0070.01016.51
7.4.00.0070.00714.95
7.3.330.0030.00313.11
7.3.320.0050.00313.04
7.3.310.0070.00016.27
7.3.300.0030.00316.26
7.3.290.0060.01316.21
7.3.280.0060.01116.22
7.3.270.0090.00917.40
7.3.260.0140.00316.51
7.3.250.0110.00716.43
7.3.240.0110.00716.26
7.3.230.0110.00616.39
7.3.210.0120.00616.47
7.3.200.0090.00916.36
7.3.190.0090.00716.26
7.3.180.0090.00616.52
7.3.170.0130.00316.33
7.3.160.0100.00716.41
7.3.120.0040.01514.62
7.3.110.0100.00614.80
7.3.100.0000.01614.86
7.3.90.0090.00614.79
7.3.80.0000.01214.90
7.3.70.0100.00314.70
7.3.60.0050.00514.71
7.3.50.0080.00814.25
7.3.40.0000.01014.78
7.3.30.0040.01114.70
7.3.20.0040.01216.48
7.3.10.0060.00416.56
7.3.00.0060.00916.45
7.2.330.0100.01016.76
7.2.320.0060.01016.70
7.2.310.0070.01316.51
7.2.300.0040.01216.31
7.2.290.0180.00616.54
7.2.240.0100.01014.57
7.2.230.0060.01014.86
7.2.220.0060.01014.74
7.2.210.0090.00614.54
7.2.200.0070.01014.80
7.2.190.0030.01214.52
7.2.180.0000.01614.89
7.2.170.0000.01215.05
7.2.160.0080.00414.71
7.2.150.0030.00716.90
7.2.140.0030.01316.65
7.2.130.0060.00516.89
7.2.120.0050.01016.94
7.2.110.0080.00616.99
7.2.100.0060.00616.98
7.2.90.0080.00716.94
7.2.80.0050.00916.96
7.2.70.0080.00516.91
7.2.60.0070.00716.88
7.2.50.0040.00916.82
7.2.40.0060.00617.03
7.2.30.0050.00916.90
7.2.20.0030.01116.82
7.2.10.0060.00516.59
7.2.00.0040.01116.87
7.1.330.0030.01315.77
7.1.320.0060.01215.71
7.1.310.0050.00515.75
7.1.300.0000.01315.68
7.1.290.0090.00015.54
7.1.280.0030.01015.66
7.1.270.0070.00715.69
7.1.260.0030.01315.68
7.1.250.0060.00415.66
7.1.200.0080.00415.84
7.1.70.0040.00416.98
7.1.60.0090.01619.32
7.1.50.0080.00416.82
7.1.00.0030.07722.33
7.0.200.0030.00616.75
7.0.140.0070.07022.08
7.0.60.0070.08020.07
7.0.50.0100.06317.86
7.0.40.0100.08720.23
7.0.30.0530.07720.13
7.0.20.0230.04020.34
7.0.10.0100.08020.13
7.0.00.0100.08720.23
5.6.280.0030.09320.87
5.6.210.0070.06320.57
5.6.200.0100.06718.17
5.6.190.0070.08720.33
5.6.180.0270.07320.61
5.6.170.0370.08020.62
5.6.160.0100.08320.57
5.6.150.0100.06018.25
5.6.140.0170.06718.25
5.6.130.0070.04018.23
5.6.120.0030.08020.97
5.6.110.0130.05721.00
5.6.100.0070.08320.96
5.6.90.0100.07721.14
5.6.80.0130.07720.40
5.6.70.4670.04020.38
5.5.350.0030.04320.34
5.5.340.0030.04317.99
5.5.330.0070.05320.37
5.5.320.0270.07720.34
5.5.310.0270.06320.34
5.5.300.0030.06718.08
5.5.290.0030.05017.97
5.5.280.0130.03320.82
5.5.270.0070.07020.64
5.5.260.0030.04020.76
5.5.250.0170.07020.74
5.5.240.0300.07320.19
5.4.450.0200.05019.61
5.4.440.0170.06019.45
5.4.430.0230.04719.46
5.4.420.0700.00019.68
5.4.410.0630.00019.46
5.4.400.0600.00019.23
5.4.390.0670.00019.08
5.4.380.0730.00019.11
5.4.370.0630.00019.11
5.4.360.0600.00019.25
5.4.350.0670.00019.21
5.4.340.0050.03512.01
5.4.320.0050.03812.51
5.4.310.0060.03612.50
5.4.300.0070.04012.50
5.4.290.0090.04312.50
5.4.280.0050.03612.40
5.4.270.0070.03912.40
5.4.260.0070.03612.39
5.4.250.0050.03812.39
5.4.240.0070.04012.40
5.4.230.0070.03712.39
5.4.220.0080.04512.39
5.4.210.0080.04212.39
5.4.200.0040.04012.39
5.4.190.0060.03512.39
5.4.180.0060.03512.39
5.4.170.0050.03612.39
5.4.160.0060.03512.39
5.4.150.0060.03612.39
5.4.140.0020.04112.07
5.4.130.0090.03812.06
5.4.120.0040.03612.02
5.4.110.0060.03512.01
5.4.100.0070.03612.01
5.4.90.0090.04212.01
5.4.80.0070.03912.02
5.4.70.0060.03312.01
5.4.60.0040.03612.01
5.4.50.0050.03612.00
5.4.40.0040.03512.00
5.4.30.0040.03611.99
5.4.20.0040.03611.99
5.4.10.0040.03612.00
5.4.00.0070.03511.48
5.3.290.0060.03912.80
5.3.280.0070.03712.71
5.3.270.0060.03912.72
5.3.260.0050.04512.72
5.3.250.0080.03612.72
5.3.240.0070.04712.72
5.3.230.0090.03412.71
5.3.220.0060.04012.68
5.3.210.0040.04112.68
5.3.200.0070.03712.68
5.3.190.0040.04012.68
5.3.180.0080.03512.68
5.3.170.0090.03312.67
5.3.160.0070.03512.68
5.3.150.0070.03612.67
5.3.140.0060.03612.66
5.3.130.0080.03612.65
5.3.120.0050.03912.66
5.3.110.0050.03912.66
5.3.100.0070.03512.11
5.3.90.0100.03112.09
5.3.80.0050.03712.09
5.3.70.0030.03912.09
5.3.60.0070.03412.08
5.3.50.0040.03712.02
5.3.40.0050.03712.02
5.3.30.0040.03611.98
5.3.20.0040.03611.77
5.3.10.0060.03411.73
5.3.00.0060.03611.71
5.2.170.0010.0339.21
5.2.160.0040.0289.22
5.2.150.0040.0309.21
5.2.140.0050.0299.21
5.2.130.0040.0299.18
5.2.120.0050.0279.18
5.2.110.0040.0309.18
5.2.100.0050.0279.18
5.2.90.0010.0339.18
5.2.80.0050.0299.17
5.2.70.0020.0329.17
5.2.60.0060.0329.13
5.2.50.0060.0289.09
5.2.40.0050.0279.07
5.2.30.0030.0319.05
5.2.20.0020.0309.03
5.2.10.0020.0308.94
5.2.00.0040.0298.80
5.1.60.0030.0248.09
5.1.50.0040.0258.09
5.1.40.0020.0278.06
5.1.30.0060.0248.41
5.1.20.0060.0248.43
5.1.10.0020.0278.16
5.1.00.0010.0288.17
5.0.50.0090.0196.63
5.0.40.0050.0206.50
5.0.30.0040.0306.30
5.0.20.0030.0196.27
5.0.10.0060.0176.25
5.0.00.0050.0296.25
4.4.90.0020.0164.77
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0000.0184.75
4.4.50.0000.0184.77
4.4.40.0000.0274.71
4.4.30.0050.0134.76
4.4.20.0020.0244.85
4.4.10.0070.0164.84
4.4.00.0060.0264.76
4.3.110.0080.0134.67
4.3.100.0030.0144.67
4.3.90.0040.0134.64
4.3.80.0040.0234.59
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0060.0204.54
4.3.30.0020.0163.30
4.3.20.0020.0183.28
4.3.10.0020.0203.24
4.3.00.0030.0207.14

preferences:
48.77 ms | 401 KiB | 5 Q