3v4l.org

run code in 300+ PHP versions simultaneously
<?php function chain($input) { foreach ($input as $arr) { foreach ($arr as $v) { yield $v; } } } $it = chain([ ['a', 'b'], ['c', 'd', 'e'], ['f', 'g', 'h', 'i'] ]); echo implode(', ', iterator_to_array($it));

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)
8.3.60.0140.00718.43
8.3.50.0100.01021.93
8.3.40.0090.00618.57
8.3.30.0120.00919.04
8.3.20.0140.00420.31
8.3.10.0070.00723.66
8.3.00.0040.00420.89
8.2.180.0110.00418.39
8.2.170.0000.02118.67
8.2.160.0100.01020.53
8.2.150.0130.00724.18
8.2.140.0090.00324.66
8.2.130.0150.00326.16
8.2.120.0000.00819.36
8.2.110.0070.01022.11
8.2.100.0060.00617.91
8.2.90.0000.01119.25
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0030.00517.80
8.2.50.0040.00418.07
8.2.40.0060.00319.95
8.2.30.0040.00418.18
8.2.20.0020.00517.66
8.2.10.0000.00717.93
8.2.00.0040.00419.38
8.1.280.0110.00725.92
8.1.270.0140.00423.75
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0040.00423.84
8.1.230.0040.00719.16
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0150.00016.99
8.1.190.0030.00517.36
8.1.180.0040.00418.10
8.1.170.0090.00018.68
8.1.160.0040.00422.02
8.1.150.0050.00318.67
8.1.140.0040.00417.45
8.1.130.0030.00317.83
8.1.120.0000.00717.47
8.1.110.0030.00517.41
8.1.100.0000.00817.49
8.1.90.0030.00517.52
8.1.80.0000.00717.36
8.1.70.0000.00817.38
8.1.60.0040.00417.57
8.1.50.0090.00017.54
8.1.40.0040.00417.39
8.1.30.0030.00517.66
8.1.20.0040.00417.69
8.1.10.0040.00417.39
8.1.00.0060.00317.45
8.0.300.0000.00918.77
8.0.290.0080.00016.63
8.0.280.0070.00018.34
8.0.270.0000.00717.19
8.0.260.0030.00317.16
8.0.250.0070.00016.85
8.0.240.0000.00816.88
8.0.230.0040.00316.96
8.0.220.0040.00416.79
8.0.210.0030.00316.77
8.0.200.0030.00316.91
8.0.190.0050.00516.98
8.0.180.0050.00216.82
8.0.170.0030.00516.84
8.0.160.0030.00416.97
8.0.150.0000.00716.85
8.0.140.0000.00816.87
8.0.130.0000.00513.29
8.0.120.0030.00516.76
8.0.110.0000.00716.88
8.0.100.0030.00316.75
8.0.90.0040.00416.83
8.0.80.0100.01016.82
8.0.70.0040.00416.95
8.0.60.0000.00816.76
8.0.50.0040.00416.76
8.0.30.0080.01517.20
8.0.20.0100.00917.40
8.0.10.0050.00217.05
8.0.00.0090.01116.73
7.4.330.0050.00015.00
7.4.320.0030.00316.59
7.4.300.0030.00316.62
7.4.290.0030.00316.47
7.4.280.0000.00816.54
7.4.270.0030.00316.52
7.4.260.0000.00716.57
7.4.250.0040.00416.55
7.4.240.0020.00616.52
7.4.230.0000.00716.63
7.4.220.0120.00616.64
7.4.210.0000.01416.44
7.4.200.0000.00716.56
7.4.160.0090.00916.49
7.4.150.0140.00317.40
7.4.140.0150.00517.86
7.4.130.0120.00516.61
7.4.120.0120.00516.37
7.4.110.0140.00416.69
7.4.100.0000.01616.40
7.4.90.0100.00616.43
7.4.80.0110.00819.39
7.4.70.0070.01716.53
7.4.60.0030.01316.47
7.4.50.0040.00416.66
7.4.40.0100.00916.21
7.4.30.0110.01116.59
7.4.00.0000.01715.09
7.3.330.0060.00013.22
7.3.320.0000.00513.22
7.3.310.0030.00316.40
7.3.300.0030.00316.39
7.3.290.0120.00616.41
7.3.280.0080.01116.37
7.3.270.0160.00017.40
7.3.260.0090.00916.44
7.3.250.0070.00916.58
7.3.240.0150.00716.54
7.3.230.0090.00916.54
7.3.210.0070.01016.43
7.3.200.0110.01219.39
7.3.190.0080.01016.50
7.3.180.0030.01316.34
7.3.170.0130.00316.50
7.3.160.0060.01116.56
7.3.120.0070.01115.06
7.3.110.0060.00915.07
7.3.100.0050.00515.00
7.3.90.0090.00914.82
7.3.80.0030.00614.84
7.3.70.0100.00314.87
7.3.60.0030.01214.84
7.3.50.0000.01114.54
7.3.40.0100.00314.84
7.3.30.0060.00914.46
7.3.20.0070.01016.77
7.3.10.0030.00716.80
7.3.00.0060.00616.79
7.2.330.0060.01216.74
7.2.320.0090.00916.48
7.2.310.0090.01016.68
7.2.300.0140.01016.73
7.2.290.0060.01016.52
7.2.240.0100.00714.97
7.2.230.0070.01015.21
7.2.220.0040.01414.99
7.2.210.0030.01315.06
7.2.200.0030.01215.13
7.2.190.0070.00314.87
7.2.180.0000.01615.21
7.2.170.0090.00614.89
7.2.160.0090.00615.05
7.2.150.0100.00617.14
7.2.140.0090.00316.90
7.2.130.0060.01016.96
7.2.120.0090.00616.81
7.2.110.0060.01217.00
7.2.100.0040.00716.71
7.2.90.0030.01517.09
7.2.80.0030.01017.07
7.2.70.0090.00617.02
7.2.60.0050.00817.00
7.2.50.0090.00617.05
7.2.40.0030.00916.82
7.2.30.0060.00917.14
7.2.20.0090.00616.88
7.2.10.0080.00616.85
7.2.00.0060.00918.11
7.1.330.0060.00615.61
7.1.320.0100.00315.80
7.1.310.0030.00915.73
7.1.300.0030.01015.78
7.1.290.0030.01315.75
7.1.280.0070.00315.50
7.1.270.0000.01015.86
7.1.260.0100.00315.85
7.1.250.0030.00915.80
7.1.200.0030.00915.92
7.1.100.0060.01018.17
7.1.70.0000.01416.87
7.1.60.0060.01919.70
7.1.50.0130.00916.62
7.1.00.0070.07322.35
7.0.200.0000.00816.68
7.0.140.0030.06722.08
7.0.60.0130.06320.04
7.0.50.0130.07317.86
7.0.40.0130.08720.11
7.0.30.0500.04320.25
7.0.20.0230.05720.25
7.0.10.0230.08720.07
7.0.00.0070.04020.20
5.6.280.0000.07720.89
5.6.210.0070.04020.57
5.6.200.0070.05718.19
5.6.190.0030.04320.58
5.6.180.0100.07020.62
5.6.170.0300.07320.51
5.6.160.0200.04320.55
5.6.150.0030.07018.19
5.6.140.0070.07018.17
5.6.130.0100.07718.28
5.6.120.0100.04721.03
5.6.110.0100.08321.11
5.6.100.0100.08021.03
5.6.90.0170.07021.13
5.6.80.0070.05720.41
5.6.70.0800.05320.53
5.5.350.0070.08320.39
5.5.340.0000.07318.00
5.5.330.0130.03020.43
5.5.320.0000.08720.51
5.5.310.0170.04720.23
5.5.300.0070.03318.09
5.5.290.0070.06718.03
5.5.280.0070.08320.88
5.5.270.0030.04020.84
5.5.260.0070.04020.77
5.5.250.0170.07720.59
5.5.240.0070.03320.04
5.4.450.0730.06019.39
5.4.440.0870.05319.45
5.4.430.0870.05319.61
5.4.420.0670.00019.43
5.4.410.0200.04718.95
5.4.400.1070.05018.63
5.4.390.0270.05718.57
5.4.380.0270.05318.80
5.4.370.0170.03018.68
5.4.360.0030.04318.50
5.4.350.0060.03612.04
5.4.340.0060.04112.03
5.4.320.0110.03512.52
5.4.310.0100.04412.52
5.4.300.0100.04112.52
5.4.290.0130.04212.51
5.4.280.0070.04112.41
5.4.270.0090.03512.41
5.4.260.0100.04012.41
5.4.250.0040.04112.41
5.4.240.0100.03712.41
5.4.230.0060.04012.40
5.4.220.0060.05112.40
5.4.210.0050.05112.40
5.4.200.0050.05212.40
5.4.190.0090.04812.39
5.4.180.0060.04812.39
5.4.170.0040.03812.40
5.4.160.0110.03412.40
5.4.150.0080.03512.39
5.4.140.0070.03712.09
5.4.130.0070.03612.07
5.4.120.0040.03812.04
5.4.110.0090.03412.03
5.4.100.0070.03512.03
5.4.90.0070.03812.03
5.4.80.0050.03912.03
5.4.70.0060.04012.03
5.4.60.0040.03812.03
5.4.50.0100.03812.03
5.4.40.0050.03812.01
5.4.30.0060.04012.01
5.4.20.0080.04312.01
5.4.10.0090.04112.01
5.4.00.0150.05311.50
5.3.290.0060.03912.80
5.3.280.0070.03912.70
5.3.270.0050.04412.72
5.3.260.0050.04412.72
5.3.250.0070.04412.72
5.3.240.0100.04512.72
5.3.230.0010.04412.71
5.3.220.0070.03912.68
5.3.210.0080.04012.68
5.3.200.0050.04012.68
5.3.190.0070.04112.68
5.3.180.0090.03912.67
5.3.170.0040.04712.67
5.3.160.0100.04112.68
5.3.150.0060.04312.67
5.3.140.0040.04212.66
5.3.130.0090.03812.66
5.3.120.0070.04112.66
5.3.110.0110.03912.66
5.3.100.0060.04012.13
5.3.90.0080.03812.11
5.3.80.0070.03712.10
5.3.70.0080.04212.09
5.3.60.0080.04412.08
5.3.50.0120.04612.02
5.3.40.0080.04712.02
5.3.30.0060.03711.98
5.3.20.0040.03711.77
5.3.10.0040.03711.73
5.3.00.0070.04011.72
5.2.170.0060.0419.21
5.2.160.0070.0379.21
5.2.150.0090.0349.21
5.2.140.0050.0389.21
5.2.130.0050.0309.17
5.2.120.0040.0309.17
5.2.110.0040.0309.18
5.2.100.0070.0279.18
5.2.90.0050.0299.18
5.2.80.0090.0269.17
5.2.70.0040.0319.18
5.2.60.0040.0329.13
5.2.50.0050.0319.10
5.2.40.0050.0289.07
5.2.30.0030.0319.05
5.2.20.0060.0279.04
5.2.10.0100.0268.95
5.2.00.0070.0288.81
5.1.60.0080.0228.10
5.1.50.0020.0288.09
5.1.40.0020.0268.07
5.1.30.0070.0238.42
5.1.20.0080.0348.44
5.1.10.0100.0298.17
5.1.00.0060.0298.17
5.0.50.0020.0236.64
5.0.40.0050.0186.50
5.0.30.0060.0386.32
5.0.20.0060.0206.29
5.0.10.0030.0246.26
5.0.00.0040.0316.25
4.4.90.0030.0154.78
4.4.80.0010.0174.75
4.4.70.0040.0144.75
4.4.60.0010.0184.75
4.4.50.0040.0144.77
4.4.40.0030.0254.70
4.4.30.0030.0164.76
4.4.20.0030.0164.84
4.4.10.0030.0164.84
4.4.00.0040.0244.76
4.3.110.0060.0134.67
4.3.100.0030.0194.67
4.3.90.0020.0154.63
4.3.80.0000.0274.58
4.3.70.0060.0114.63
4.3.60.0080.0104.63
4.3.50.0020.0164.63
4.3.40.0020.0314.54
4.3.30.0010.0213.30
4.3.20.0030.0213.28
4.3.10.0030.0153.25
4.3.00.0130.0236.42

preferences:
44.19 ms | 401 KiB | 5 Q