3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a', 'b', 'c', 'd', 'e'); $str = ltrim(strrev(chunk_split(implode(array_reverse($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)
8.3.60.0150.00718.43
8.3.50.0090.01121.09
8.3.40.0090.00618.63
8.3.30.0070.00718.96
8.3.20.0000.00720.21
8.3.10.0040.00420.46
8.3.00.0030.00619.38
8.2.180.0150.00616.63
8.2.170.0100.00322.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00422.29
8.2.110.0030.00621.00
8.2.100.0040.00817.91
8.2.90.0040.00417.90
8.2.80.0060.00317.97
8.2.70.0060.00317.50
8.2.60.0050.00517.68
8.2.50.0080.00018.07
8.2.40.0000.00818.09
8.2.30.0070.00019.32
8.2.20.0000.00717.71
8.2.10.0040.00418.05
8.2.00.0050.00317.64
8.1.280.0120.00625.92
8.1.270.0090.00021.92
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00422.53
8.1.230.0030.00720.91
8.1.220.0080.00017.78
8.1.210.0000.00818.86
8.1.200.0030.00617.23
8.1.190.0080.00017.23
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0040.00421.95
8.1.150.0040.00418.73
8.1.140.0070.00017.37
8.1.130.0050.00317.82
8.1.120.0070.00017.29
8.1.110.0040.00417.41
8.1.100.0050.00317.45
8.1.90.0000.00717.43
8.1.80.0030.00317.28
8.1.70.0030.00317.33
8.1.60.0030.00617.56
8.1.50.0040.00417.35
8.1.40.0000.00717.34
8.1.30.0040.00417.61
8.1.20.0040.00417.64
8.1.10.0000.00817.52
8.1.00.0000.00817.41
8.0.300.0040.00419.94
8.0.290.0040.00416.58
8.0.280.0030.00318.48
8.0.270.0030.00317.29
8.0.260.0000.00717.16
8.0.250.0080.00016.90
8.0.240.0000.00716.97
8.0.230.0030.00316.91
8.0.220.0030.00516.84
8.0.210.0060.00016.71
8.0.200.0000.00716.81
8.0.190.0040.00416.76
8.0.180.0040.00416.88
8.0.170.0000.00816.75
8.0.160.0080.00016.87
8.0.150.0030.00316.79
8.0.140.0030.00316.69
8.0.130.0040.00413.29
8.0.120.0040.00416.69
8.0.110.0000.00716.79
8.0.100.0040.00416.78
8.0.90.0000.00716.78
8.0.80.0040.01116.84
8.0.70.0050.00316.73
8.0.60.0040.00416.87
8.0.50.0040.00416.63
8.0.30.0100.00916.87
8.0.20.0060.01317.40
8.0.10.0040.00416.81
8.0.00.0070.01016.58
7.4.330.0060.00015.00
7.4.320.0040.00416.38
7.4.300.0030.00316.39
7.4.290.0000.00616.50
7.4.280.0040.00416.37
7.4.270.0030.00516.42
7.4.260.0070.00016.54
7.4.250.0040.00416.37
7.4.240.0030.00416.49
7.4.230.0030.00316.50
7.4.220.0090.00916.53
7.4.210.0030.01016.47
7.4.200.0070.00016.52
7.4.160.0110.00916.47
7.4.150.0070.01117.40
7.4.140.0130.00417.86
7.4.130.0100.01116.43
7.4.120.0120.01016.44
7.4.110.0100.00716.62
7.4.100.0090.00616.52
7.4.90.0060.01216.51
7.4.80.0090.01018.80
7.4.70.0000.01716.41
7.4.60.0140.00816.44
7.4.50.0040.00416.49
7.4.40.0090.01216.34
7.4.30.0080.00816.40
7.4.00.0090.00714.74
7.3.330.0050.00012.94
7.3.320.0050.00013.11
7.3.310.0040.00416.11
7.3.300.0040.00416.19
7.3.290.0090.00616.14
7.3.280.0100.00716.24
7.3.270.0070.01017.40
7.3.260.0130.00916.15
7.3.250.0120.00716.49
7.3.240.0110.00716.23
7.3.230.0050.01016.39
7.3.210.0090.00916.20
7.3.200.0110.01119.39
7.3.190.0090.00616.27
7.3.180.0100.00716.44
7.3.170.0030.01316.27
7.3.160.0110.00516.48
7.3.120.0090.00614.63
7.3.110.0070.01014.93
7.3.100.0090.00314.63
7.3.90.0080.00814.65
7.3.80.0030.01014.85
7.3.70.0060.00914.70
7.3.60.0110.00414.60
7.3.50.0030.01014.34
7.3.40.0100.00014.53
7.3.30.0040.00414.54
7.3.20.0030.00616.57
7.3.10.0070.00716.68
7.3.00.0030.00716.50
7.2.330.0110.01116.64
7.2.320.0120.00616.57
7.2.310.0140.00416.52
7.2.300.0160.00016.48
7.2.290.0130.00316.64
7.2.250.0100.00714.78
7.2.240.0070.01314.78
7.2.230.0110.00414.80
7.2.220.0070.01015.09
7.2.210.0060.00914.55
7.2.200.0070.00314.96
7.2.190.0000.01114.88
7.2.180.0080.00414.99
7.2.170.0060.00614.94
7.2.60.0060.00916.67
7.2.00.0030.00919.41
7.1.330.0090.00615.62
7.1.320.0060.00615.60
7.1.310.0030.00715.73
7.1.300.0070.00715.72
7.1.290.0070.00315.70
7.1.280.0030.01015.86
7.1.270.0060.00615.40
7.1.260.0040.00415.52
7.1.200.0060.00615.86
7.1.100.0070.00317.91
7.1.70.0070.00416.87
7.1.60.0140.01019.32
7.1.50.0030.01716.90
7.1.00.0030.07722.31
7.0.200.0030.00616.70
7.0.140.0070.06722.04
7.0.70.3130.03019.86
7.0.60.0070.07720.03
7.0.50.0030.06317.81
7.0.40.0100.04319.89
7.0.30.0530.07320.11
7.0.20.0200.05020.18
7.0.10.0230.09320.09
7.0.00.0070.08020.33
5.6.280.0070.07020.81
5.6.210.0030.08720.67
5.6.200.0070.03718.12
5.6.190.0030.07320.44
5.6.180.0070.04020.23
5.6.170.0430.06020.52
5.6.160.0070.08720.61
5.6.150.0100.07318.18
5.6.140.0030.07018.21
5.6.130.0070.07718.12
5.6.120.0130.08020.97
5.6.110.0100.07321.05
5.6.100.0030.04321.00
5.6.90.0070.07321.02
5.6.80.0100.08020.38
5.6.70.0230.05020.39
5.5.350.0030.03020.38
5.5.340.0070.03717.93
5.5.330.0230.03020.19
5.5.320.0030.06720.59
5.5.310.0300.08020.50
5.5.300.0000.06017.98
5.5.290.0100.08018.01
5.5.280.0070.08720.79
5.5.270.0100.07720.75
5.5.260.0100.04020.92
5.5.250.0030.06320.48
5.5.240.0170.07720.18
5.4.450.0070.08319.21
5.4.440.0970.05719.58
5.4.430.1000.06019.29
5.4.420.1030.04719.59
5.4.410.1170.06319.39
5.4.400.0800.06019.26
5.4.390.0670.06019.15
5.4.380.0230.05318.76
5.4.370.0300.05318.68
5.4.360.0570.05718.72
5.4.350.0200.06318.52
5.4.340.0330.08018.68
5.4.320.0050.03712.45
5.4.310.0080.04112.45
5.4.300.0060.03612.45
5.4.290.0080.03812.45
5.4.280.0060.03512.35
5.4.270.0090.03612.34
5.4.260.0060.03712.35
5.4.250.0060.03612.35
5.4.240.0040.03612.35
5.4.230.0060.03612.34
5.4.220.0040.03912.34
5.4.210.0090.04212.34
5.4.200.0040.04412.34
5.4.190.0060.04012.34
5.4.180.0050.03812.33
5.4.170.0040.04512.35
5.4.160.0050.03712.34
5.4.150.0060.04412.34
5.4.140.0060.04712.02
5.4.130.0070.03912.01
5.4.120.0050.04611.97
5.4.110.0060.03511.96
5.4.100.0030.03811.96
5.4.90.0070.03811.97
5.4.80.0050.04111.96
5.4.70.0070.03511.96
5.4.60.0020.03811.96
5.4.50.0070.03411.96
5.4.40.0050.03411.95
5.4.30.0040.03911.95
5.4.20.0040.03811.95
5.4.10.0050.03511.95
5.4.00.0040.03711.43
5.3.290.0080.03812.80
5.3.280.0030.04012.71
5.3.270.0060.04912.72
5.3.260.0040.04012.72
5.3.250.0040.03812.72
5.3.240.0070.03912.72
5.3.230.0080.03812.71
5.3.220.0060.03912.68
5.3.210.0040.04012.68
5.3.200.0080.03712.68
5.3.190.0080.04112.67
5.3.180.0070.03812.67
5.3.170.0070.03412.67
5.3.160.0050.03612.67
5.3.150.0090.03912.68
5.3.140.0080.04212.66
5.3.130.0070.04212.66
5.3.120.0070.04412.65
5.3.110.0070.04612.66
5.3.100.0040.03712.12
5.3.90.0060.03612.09
5.3.80.0090.03612.07
5.3.70.0040.04112.07
5.3.60.0060.03512.06
5.3.50.0040.03712.00
5.3.40.0050.03612.00
5.3.30.0090.03511.95
5.3.20.0090.03111.72
5.3.10.0070.03611.69
5.3.00.0050.03611.68
5.2.170.0020.0339.18
5.2.160.0090.0269.18
5.2.150.0050.0309.18
5.2.140.0050.0309.17
5.2.130.0030.0309.13
5.2.120.0060.0299.14
5.2.110.0050.0359.14
5.2.100.0050.0339.14
5.2.90.0050.0289.14
5.2.80.0050.0309.14
5.2.70.0050.0299.13
5.2.60.0070.0279.09
5.2.50.0000.0349.06
5.2.40.0060.0349.03
5.2.30.0060.0289.00
5.2.20.0070.0339.00
5.2.10.0070.0258.92
5.2.00.0050.0288.77
5.1.60.0060.0218.06
5.1.50.0000.0288.06
5.1.40.0050.0238.04
5.1.30.0060.0358.39
5.1.20.0020.0298.41
5.1.10.0050.0278.13
5.1.00.0060.0248.14
5.0.50.0060.0186.61
5.0.40.0020.0216.48
5.0.30.0030.0326.29
5.0.20.0030.0206.26
5.0.10.0030.0206.23
5.0.00.0040.0306.23
4.4.90.0060.0124.78
4.4.80.0020.0164.75
4.4.70.0060.0154.75
4.4.60.0040.0144.76
4.4.50.0050.0144.77
4.4.40.0060.0224.71
4.4.30.0040.0164.75
4.4.20.0040.0214.85
4.4.10.0040.0154.84
4.4.00.0040.0264.76
4.3.110.0030.0234.67
4.3.100.0040.0214.66
4.3.90.0050.0134.63
4.3.80.0050.0224.58
4.3.70.0030.0254.63
4.3.60.0030.0154.63
4.3.50.0030.0164.63
4.3.40.0040.0224.53
4.3.30.0020.0163.28
4.3.20.0010.0183.26
4.3.10.0020.0173.22
4.3.00.0130.01716.39

preferences:
32.86 ms | 401 KiB | 5 Q