3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = str_split('This is a string!'); $i = 0; array_map(function($val, $key) { return $key % 2 ? $val : null; }, $string);

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)
8.3.60.0040.01116.88
8.3.50.0000.01520.07
8.3.40.0120.00318.82
8.3.30.0070.00719.14
8.3.20.0050.00320.34
8.3.10.0030.00521.85
8.3.00.0050.00319.38
8.2.180.0040.01516.60
8.2.170.0130.00722.96
8.2.160.0070.00722.13
8.2.150.0090.00024.18
8.2.140.0070.00024.66
8.2.130.0070.01126.16
8.2.120.0050.00321.09
8.2.110.0060.00322.29
8.2.100.0080.00418.03
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0040.00417.75
8.2.60.0040.00417.68
8.2.50.0030.00518.07
8.2.40.0030.00518.34
8.2.30.0030.00617.97
8.2.20.0080.00017.74
8.2.10.0050.00318.09
8.2.00.0040.00417.79
8.1.280.0080.00625.92
8.1.270.0060.00322.05
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0070.01123.97
8.1.230.0040.00717.52
8.1.220.0030.00517.76
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0080.00017.38
8.1.180.0040.00418.10
8.1.170.0050.00318.61
8.1.160.0020.00521.94
8.1.150.0040.00418.93
8.1.140.0070.00017.41
8.1.130.0030.00317.84
8.1.120.0000.00817.39
8.1.110.0040.00417.42
8.1.100.0040.00417.45
8.1.90.0020.00517.52
8.1.80.0050.00217.35
8.1.70.0000.00717.50
8.1.60.0030.00617.63
8.1.50.0030.00517.45
8.1.40.0030.00617.41
8.1.30.0050.00317.68
8.1.20.0080.00017.59
8.1.10.0040.00417.54
8.1.00.0030.00617.40
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00818.31
8.0.270.0030.00317.20
8.0.260.0030.00317.20
8.0.250.0030.00316.87
8.0.240.0030.00316.96
8.0.230.0000.00716.93
8.0.220.0070.00016.89
8.0.210.0000.00716.87
8.0.200.0030.00316.95
8.0.190.0030.00517.02
8.0.180.0070.00016.82
8.0.170.0070.00016.98
8.0.160.0030.00316.95
8.0.150.0040.00416.96
8.0.140.0030.00616.96
8.0.130.0000.00613.48
8.0.120.0040.00416.99
8.0.110.0000.00816.93
8.0.100.0040.00416.98
8.0.90.0050.00316.95
8.0.80.0040.01116.95
8.0.70.0040.00416.91
8.0.60.0040.00416.86
8.0.50.0000.00716.91
8.0.30.0190.00417.02
8.0.20.0130.00717.40
8.0.10.0000.00716.95
8.0.00.0090.01016.85
7.4.330.0060.00015.03
7.4.320.0040.00416.48
7.4.300.0030.00316.43
7.4.290.0000.00816.50
7.4.280.0000.00716.49
7.4.270.0000.00716.52
7.4.260.0000.00816.39
7.4.250.0040.00416.40
7.4.240.0050.00216.51
7.4.230.0030.00316.63
7.4.220.0110.00716.54
7.4.210.0050.00816.58
7.4.200.0030.00316.69
7.4.160.0000.01516.42
7.4.150.0040.01517.40
7.4.140.0050.01417.86
7.4.130.0090.00816.64
7.4.120.0110.00916.60
7.4.110.0140.00316.57
7.4.100.0140.00416.48
7.4.90.0040.01216.54
7.4.80.0120.00619.39
7.4.70.0110.00716.59
7.4.60.0070.01116.52
7.4.50.0000.00816.64
7.4.40.0100.01016.54
7.4.30.0130.00316.58
7.4.00.0130.00315.12
7.3.330.0000.00613.30
7.3.320.0020.00213.18
7.3.310.0000.00716.30
7.3.300.0040.00416.32
7.3.290.0030.01116.25
7.3.280.0090.00716.31
7.3.270.0140.00417.40
7.3.260.0040.01216.46
7.3.250.0120.00816.45
7.3.240.0140.00416.54
7.3.230.0090.00916.39
7.3.210.0060.01316.43
7.3.200.0140.00319.39
7.3.190.0060.01016.54
7.3.180.0090.01316.53
7.3.170.0100.00716.35
7.3.160.0060.00916.55
7.3.120.0030.01414.60
7.3.110.0060.00914.72
7.3.100.0070.00714.67
7.3.90.0030.00714.86
7.3.80.0050.00515.00
7.3.70.0070.00714.86
7.3.60.0070.00714.63
7.3.50.0000.01214.83
7.3.40.0070.00714.86
7.3.30.0030.01414.89
7.3.20.0040.00416.38
7.3.10.0120.00316.31
7.3.00.0120.00716.50
7.2.330.0060.01216.64
7.2.320.0130.01016.67
7.2.310.0110.00616.35
7.2.300.0030.01316.53
7.2.290.0130.00416.51
7.2.250.0030.01014.54
7.2.240.0000.02014.86
7.2.230.0030.00914.96
7.2.220.0080.00815.22
7.2.210.0070.00715.23
7.2.200.0090.00615.14
7.2.190.0040.01115.10
7.2.180.0000.01514.99
7.2.170.0080.00815.06
7.2.130.0100.01016.69
7.2.120.0190.00416.48
7.2.110.0170.00316.39
7.2.100.0130.00716.54
7.2.90.0100.00716.63
7.2.80.0160.00616.59
7.2.70.0150.01216.62
7.2.60.0110.00616.54
7.2.50.0140.00316.55
7.2.40.0150.00916.61
7.2.30.0210.01116.53
7.2.20.0240.00316.37
7.2.10.0170.01016.57
7.2.00.0090.00917.96
7.1.330.0030.01015.55
7.1.320.0030.00715.56
7.1.310.0070.01015.45
7.1.300.0130.00315.52
7.1.290.0060.00615.79
7.1.280.0000.01715.75
7.1.270.0100.00715.69
7.1.260.0000.01515.63
7.1.250.0060.01315.37
7.1.200.0070.00315.71
7.1.100.0060.00618.14
7.1.70.0030.00816.98
7.1.60.0070.01719.40
7.1.50.0100.01016.99
7.1.00.0030.07722.30
7.0.200.0050.00216.73
7.0.140.0000.07722.07
7.0.60.0130.05719.96
7.0.50.0100.03717.89
7.0.40.0100.07319.97
7.0.30.0200.05720.26
7.0.20.0230.08320.19
7.0.10.0070.04020.08
7.0.00.0100.07320.13
5.6.280.0030.07321.04
5.6.210.0000.04320.47
5.6.200.0070.03718.25
5.6.190.0070.04320.58
5.6.180.0230.04720.48
5.6.170.0170.04720.54
5.6.160.0070.06020.52
5.6.150.0030.05018.21
5.6.140.0070.08318.28
5.6.130.0070.07318.14
5.6.120.0130.04721.01
5.6.110.0030.07321.00
5.6.100.0030.06320.95
5.6.90.0130.07720.98
5.6.80.0070.05020.51
5.5.350.0070.03720.52
5.5.340.0000.08718.04
5.5.330.0030.04020.37
5.5.320.0270.08020.32
5.5.310.0300.06320.34
5.5.300.0000.04717.98
5.5.290.0070.07717.96
5.5.280.0100.03720.80
5.5.270.0000.09320.79
5.5.260.0100.06020.89
5.5.250.0100.08020.69
5.5.240.0170.02720.15
5.4.450.0270.03719.42
5.4.440.0430.04319.39
5.4.430.0430.03719.63
5.4.420.0530.04319.54
5.4.410.0300.04719.26
5.4.400.0270.04319.23
5.4.390.0800.04719.23
5.4.380.0370.05018.59
5.4.370.0270.05718.75
5.4.360.0300.05318.78
5.4.350.0430.05318.63
5.4.340.0400.04318.75
5.4.320.0090.03312.50
5.4.310.0050.04212.50
5.4.300.0050.03912.50
5.4.290.0060.03812.50
5.4.280.0080.03712.39
5.4.270.0070.03712.39
5.4.260.0050.04112.39
5.4.250.0060.04112.39
5.4.240.0070.03512.39
5.4.230.0090.03912.39
5.4.220.0050.03712.38
5.4.210.0060.03612.39
5.4.200.0030.04012.38
5.4.190.0050.03712.38
5.4.180.0080.03212.39
5.4.170.0050.04212.40
5.4.160.0090.04412.39
5.4.150.0070.03312.39
5.4.140.0030.04012.07
5.4.130.0060.03412.06
5.4.120.0040.03612.02
5.4.110.0040.03812.01
5.4.100.0060.03512.01
5.4.90.0060.04212.01
5.4.80.0070.03512.01
5.4.70.0060.03412.01
5.4.60.0060.03412.01
5.4.50.0080.03212.00
5.4.40.0060.04211.99
5.4.30.0070.03312.00
5.4.20.0060.03611.99
5.4.10.0060.03612.00
5.4.00.0080.03411.48
5.3.290.0060.04312.80
5.3.280.0090.04012.71
5.3.270.0040.04012.73
5.3.260.0050.03912.72
5.3.250.0070.04112.72
5.3.240.0050.04212.72
5.3.230.0060.03712.71
5.3.220.0090.03512.68
5.3.210.0080.04412.68
5.3.200.0040.03912.68
5.3.190.0120.03912.68
5.3.180.0040.03712.67
5.3.170.0060.03712.66
5.3.160.0050.03712.67
5.3.150.0060.04512.68
5.3.140.0040.03912.66
5.3.130.0090.04112.66
5.3.120.0060.04112.66
5.3.110.0060.04612.66
5.3.100.0080.03512.12
5.3.90.0080.03512.10
5.3.80.0080.03212.09
5.3.70.0080.03512.09
5.3.60.0070.03512.07
5.3.50.0030.03812.02
5.3.40.0040.03812.02
5.3.30.0070.03411.98
5.3.20.0060.03411.76
5.3.10.0060.04211.73
5.3.00.0060.04011.72
5.2.170.0040.0409.18
5.2.160.0030.0309.18
5.2.150.0040.0329.18
5.2.140.0060.0289.18
5.2.130.0050.0299.14
5.2.120.0040.0379.14
5.2.110.0050.0329.14
5.2.100.0060.0289.14
5.2.90.0080.0329.14
5.2.80.0050.0329.14
5.2.70.0030.0319.14
5.2.60.0020.0329.09
5.2.50.0080.0319.06
5.2.40.0020.0339.03
5.2.30.0050.0289.01
5.2.20.0040.0289.00
5.2.10.0020.0318.93
5.2.00.0020.0328.78
5.1.60.0020.0258.07
5.1.50.0080.0238.06
5.1.40.0030.0298.04
5.1.30.0060.0278.40
5.1.20.0060.0248.42
5.1.10.0040.0258.14
5.1.00.0060.0318.14
5.0.50.0030.0206.62
5.0.40.0050.0216.48
5.0.30.0050.0436.29
5.0.20.0050.0236.27
5.0.10.0020.0226.24
5.0.00.0030.0316.23
4.4.90.0030.0204.77
4.4.80.0040.0134.75
4.4.70.0010.0164.75
4.4.60.0010.0174.75
4.4.50.0040.0194.77
4.4.40.0040.0294.71
4.4.30.0020.0204.75
4.4.20.0030.0144.84
4.4.10.0040.0194.85
4.4.00.0060.0254.76
4.3.110.0050.0174.66
4.3.100.0040.0164.66
4.3.90.0050.0124.64
4.3.80.0020.0254.59
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0050.0144.63
4.3.40.0020.0254.54
4.3.30.0010.0173.29
4.3.20.0030.0223.27
4.3.10.0020.0153.22
4.3.00.0070.01715.92

preferences:
56.29 ms | 400 KiB | 5 Q