3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b', 'c', 'd', 'e', 'f'); //$str = implode(array_walk(array_reverse($arr), function($v,$k){if($k%3==0)$v.=';';})); //print_r(array_map(function($v){if($k%3==0)$v.=';';}), array_reverse($arr)); $str = str_reverse(chunk_split(implode(array_reverse($arr)), 3, ';')); echo $str;

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)
8.4.20.0030.01618.00
8.4.10.0120.00617.70
8.3.150.0090.00916.89
8.3.140.0040.00416.67
8.3.130.0000.00818.66
8.3.120.0070.01018.43
8.3.110.0120.00816.50
8.3.100.0060.00316.63
8.3.90.0120.00318.31
8.3.80.0040.00817.97
8.3.70.0040.01416.74
8.3.60.0070.00718.30
8.3.50.0150.00521.98
8.3.40.0040.01118.92
8.3.30.0070.00719.09
8.3.20.0040.00420.29
8.3.10.0080.00020.48
8.3.00.0040.00419.25
8.2.270.0000.00718.70
8.2.260.0000.00817.39
8.2.250.0100.00017.30
8.2.240.0100.00620.55
8.2.230.0090.00020.94
8.2.220.0040.00724.06
8.2.210.0030.00526.77
8.2.200.0030.00618.55
8.2.190.0100.01016.63
8.2.180.0030.01316.63
8.2.170.0140.00722.96
8.2.160.0030.01020.39
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00422.08
8.2.110.0060.00319.27
8.2.100.0080.00417.78
8.2.90.0000.00819.25
8.2.80.0000.00817.97
8.2.70.0030.00517.38
8.2.60.0020.00517.80
8.2.50.0030.00618.07
8.2.40.0050.00318.09
8.2.30.0000.00719.26
8.2.20.0040.00417.56
8.2.10.0020.00518.12
8.2.00.0040.00417.63
8.1.310.0090.00616.81
8.1.300.0050.00518.17
8.1.290.0030.00618.88
8.1.280.0150.00325.92
8.1.270.0040.00423.96
8.1.260.0000.00826.35
8.1.250.0050.00228.09
8.1.240.0070.00319.03
8.1.230.0040.00717.42
8.1.220.0050.00317.76
8.1.210.0040.00418.77
8.1.200.0030.00617.38
8.1.190.0000.00817.36
8.1.180.0030.00618.10
8.1.170.0060.00318.46
8.1.160.0050.00322.00
8.1.150.0040.00418.88
8.1.140.0000.00717.42
8.1.130.0000.00717.32
8.1.120.0070.00017.30
8.1.110.0000.00717.30
8.1.100.0030.00417.29
8.1.90.0000.00717.30
8.1.80.0040.00417.30
8.1.70.0000.00717.37
8.1.60.0000.00917.54
8.1.50.0000.00817.52
8.1.40.0040.00417.44
8.1.30.0030.00617.65
8.1.20.0020.00517.64
8.1.10.0000.00817.48
8.1.00.0030.00617.58
8.0.300.0040.00418.77
8.0.290.0020.00516.63
8.0.280.0030.00318.32
8.0.270.0000.00816.83
8.0.260.0070.00016.71
8.0.250.0030.00316.97
8.0.240.0070.00016.97
8.0.230.0040.00416.83
8.0.220.0030.00316.77
8.0.210.0000.00616.81
8.0.200.0030.00316.97
8.0.190.0040.00416.84
8.0.180.0030.00416.88
8.0.170.0040.00416.83
8.0.160.0070.00016.94
8.0.150.0000.00716.79
8.0.140.0000.00716.76
8.0.130.0070.00013.38
8.0.120.0000.00816.79
8.0.110.0000.00716.93
8.0.100.0000.00816.79
8.0.90.0000.00716.93
8.0.80.0130.00316.93
8.0.70.0000.00816.68
8.0.60.0080.00016.85
8.0.50.0040.00416.91
8.0.30.0140.01016.87
8.0.20.0070.01417.40
8.0.10.0050.00317.03
8.0.00.0110.00616.74
7.4.330.0050.00015.00
7.4.320.0060.00016.41
7.4.300.0000.00716.43
7.4.290.0070.00016.50
7.4.280.0000.00816.51
7.4.270.0030.00316.60
7.4.260.0030.00316.45
7.4.250.0040.00416.58
7.4.240.0030.00316.58
7.4.230.0070.00016.42
7.4.220.0090.00916.50
7.4.210.0080.00616.50
7.4.200.0030.00316.70
7.4.160.0120.00416.48
7.4.150.0140.01017.40
7.4.140.0120.00817.86
7.4.130.0080.00816.48
7.4.120.0080.00916.49
7.4.110.0110.00716.48
7.4.100.0000.01716.70
7.4.90.0090.00916.47
7.4.80.0080.00818.80
7.4.70.0140.00716.64
7.4.60.0120.00416.37
7.4.50.0080.00016.51
7.4.40.0040.01616.64
7.4.30.0070.01016.62
7.4.00.0060.00915.05
7.3.330.0000.00613.06
7.3.320.0000.00512.96
7.3.310.0070.00016.24
7.3.300.0030.00316.25
7.3.290.0030.01216.36
7.3.280.0060.01116.24
7.3.270.0100.00717.40
7.3.260.0110.00816.40
7.3.250.0090.00816.25
7.3.240.0060.01616.45
7.3.230.0060.01616.39
7.3.210.0120.00916.50
7.3.200.0030.01819.39
7.3.190.0140.00416.26
7.3.180.0160.00016.33
7.3.170.0170.00616.32
7.3.160.0060.01416.32
7.3.10.0110.00716.38
7.3.00.0220.00416.52
7.2.330.0060.01016.40
7.2.320.0100.00716.50
7.2.310.0090.00916.29
7.2.300.0100.00716.66
7.2.290.0070.01316.42
7.2.130.0230.00516.56
7.2.120.0090.00916.27
7.2.110.0150.00416.40
7.2.100.0160.00416.44
7.2.90.0060.00916.40
7.2.80.0240.00016.30
7.2.70.0070.01016.61
7.2.60.0150.00516.60
7.2.50.0120.00516.71
7.2.40.0040.01516.62
7.2.30.0100.01016.61
7.2.20.0060.00616.55
7.2.10.0090.00616.64
7.2.00.0050.00618.09
7.1.250.0080.00715.54
7.1.200.0070.00715.64
7.1.100.0060.00617.95
7.1.70.0030.00517.11
7.1.60.0110.01419.32
7.1.50.0070.00716.70
7.1.00.0000.08022.29
7.0.200.0050.00516.67
7.0.140.0030.07021.92
7.0.60.0000.08319.90
7.0.50.0070.05717.79
7.0.40.0070.04320.12
7.0.30.0370.04720.04
7.0.20.0200.05020.16
7.0.10.0170.04020.16
7.0.00.0100.03720.16
5.6.280.0030.07321.11
5.6.210.0100.07020.69
5.6.200.0000.08018.12
5.6.190.0070.04720.32
5.6.180.0230.03720.61
5.6.170.0200.04320.42
5.6.160.0070.08720.51
5.6.150.0070.04318.18
5.6.140.0030.04018.14
5.6.130.0070.08018.07
5.6.120.0000.06721.11
5.6.110.0100.08721.08
5.6.100.0130.08321.12
5.6.90.0130.07721.09
5.6.80.0100.07720.37
5.5.350.0030.08720.43
5.5.340.0100.08018.01
5.5.330.0130.04020.46
5.5.320.3200.04320.29
5.5.310.0300.04320.23
5.5.300.0030.08317.96
5.5.290.0170.07017.98
5.5.280.0070.09020.84
5.5.270.0170.04320.96
5.5.260.0030.08020.75
5.5.250.0070.03720.69
5.5.240.4130.03020.25
5.4.450.0630.04019.48
5.4.440.0930.05319.50
5.4.430.0970.05319.60
5.4.420.0870.05719.13
5.4.410.0870.06019.19
5.4.400.0700.05319.18
5.4.390.0730.05719.31
5.4.380.0230.08318.69
5.4.370.0300.05718.46
5.4.360.0330.04318.54
5.4.350.0270.05718.59
5.4.340.0500.04318.61
5.4.320.0040.03812.45
5.4.310.0070.03712.45
5.4.300.0080.03412.46
5.4.290.0040.04012.45
5.4.280.0040.03712.35
5.4.270.0070.03512.35
5.4.260.0060.03812.34
5.4.250.0080.03712.34
5.4.240.0080.03412.35
5.4.230.0070.03912.34
5.4.220.0040.03712.34
5.4.210.0060.04212.34
5.4.200.0050.03812.34
5.4.190.0030.03712.34
5.4.180.0110.03312.33
5.4.170.0050.03912.34
5.4.160.0070.04412.34
5.4.150.0070.03412.34
5.4.140.0070.03612.02
5.4.130.0050.04012.01
5.4.120.0070.03711.97
5.4.110.0040.03611.96
5.4.100.0070.03311.96
5.4.90.0050.03611.96
5.4.80.0040.04311.96
5.4.70.0050.03911.96
5.4.60.0030.04111.96
5.4.50.0080.03211.96
5.4.40.0070.03411.95
5.4.30.0070.03611.95
5.4.20.0090.03611.95
5.4.10.0080.04311.94
5.4.00.0070.04211.44
5.3.290.0070.04412.80
5.3.280.0090.03612.71
5.3.270.0090.03712.73
5.3.260.0080.04112.72
5.3.250.0050.05012.72
5.3.240.0030.03912.72
5.3.230.0050.03812.71
5.3.220.0050.03712.68
5.3.210.0040.04512.68
5.3.200.0060.03512.68
5.3.190.0090.04012.68
5.3.180.0050.03712.68
5.3.170.0070.03812.67
5.3.160.0070.03912.68
5.3.150.0060.03712.67
5.3.140.0070.03412.66
5.3.130.0090.04212.66
5.3.120.0040.04012.66
5.3.110.0050.04312.66
5.3.100.0120.03212.12
5.3.90.0030.04212.08
5.3.80.0090.03612.07
5.3.70.0070.03612.07
5.3.60.0090.03212.06
5.3.50.0060.04212.00
5.3.40.0060.03712.00
5.3.30.0080.04511.94
5.3.20.0090.03311.73
5.3.10.0070.03611.69
5.3.00.0040.03911.68
5.2.170.0040.0309.18
5.2.160.0050.0299.18
5.2.150.0030.0369.18
5.2.140.0060.0299.18
5.2.130.0040.0309.14
5.2.120.0070.0289.14
5.2.110.0100.0249.14
5.2.100.0020.0319.14
5.2.90.0060.0289.14
5.2.80.0040.0319.14
5.2.70.0060.0289.14
5.2.60.0050.0299.09
5.2.50.0060.0359.06
5.2.40.0060.0299.04
5.2.30.0050.0309.01
5.2.20.0030.0369.00
5.2.10.0050.0308.93
5.2.00.0040.0298.78
5.1.60.0050.0268.06
5.1.50.0040.0258.06
5.1.40.0020.0278.04
5.1.30.0080.0318.39
5.1.20.0030.0278.41
5.1.10.0040.0258.14
5.1.00.0080.0248.14
5.0.50.0030.0206.62
5.0.40.0030.0236.48
5.0.30.0020.0316.29
5.0.20.0030.0196.26
5.0.10.0070.0156.24
5.0.00.0020.0306.23
4.4.90.0060.0184.78
4.4.80.0000.0284.76
4.4.70.0030.0214.76
4.4.60.0030.0194.75
4.4.50.0040.0184.77
4.4.40.0020.0274.71
4.4.30.0030.0204.76
4.4.20.0030.0144.85
4.4.10.0010.0164.85
4.4.00.0030.0264.76
4.3.110.0010.0204.67
4.3.100.0020.0144.66
4.3.90.0010.0154.63
4.3.80.0030.0274.58
4.3.70.0000.0164.63
4.3.60.0030.0144.63
4.3.50.0020.0184.63
4.3.40.0040.0254.53
4.3.30.0020.0203.28
4.3.20.0030.0153.26
4.3.10.0010.0173.22
4.3.00.0070.01716.39

preferences:
29.38 ms | 403 KiB | 5 Q