3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(1,2,3,4,5,6,7,8,9,10,'a','b','c','d','e','f','g','h','i','j'); $n=10; $tmp0 = $arr[0]; $tmp1 = $arr[$n]; for($i=0,$j=$n;$i<count($arr)-1;$i++,$j++){ $arr[$i]=$tmp0; $tmp0=$arr[$i+1]; $arr[$i+1]=$arr[$j]; } printIt($arr); function printIt($arr){ for($i=0;$i<count($arr);$i++){ echo($arr[$i]." "); } } ?>

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)
8.3.60.0090.00618.31
8.3.50.0080.01022.06
8.3.40.0070.00718.92
8.3.30.0080.00619.04
8.3.20.0090.00020.29
8.3.10.0050.00322.04
8.3.00.0040.00422.52
8.2.180.0160.00616.74
8.2.170.0080.00822.96
8.2.160.0070.01120.64
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00317.75
8.2.110.0030.00621.89
8.2.100.0040.00817.78
8.2.90.0000.00819.17
8.2.80.0000.00918.04
8.2.70.0030.00617.63
8.2.60.0000.00918.04
8.2.50.0040.00418.07
8.2.40.0090.00018.22
8.2.30.0070.00018.10
8.2.20.0050.00217.86
8.2.10.0000.00817.69
8.2.00.0040.00417.68
8.1.280.0110.00425.92
8.1.270.0000.00723.96
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00322.05
8.1.230.0110.00019.16
8.1.220.0000.00717.89
8.1.210.0090.00318.77
8.1.200.0040.00817.36
8.1.190.0000.00817.30
8.1.180.0050.00318.10
8.1.170.0040.00418.66
8.1.160.0040.00421.93
8.1.150.0040.00418.60
8.1.140.0070.00017.37
8.1.130.0000.00817.88
8.1.120.0000.00717.51
8.1.110.0000.00817.35
8.1.100.0000.00917.48
8.1.90.0040.00417.43
8.1.80.0030.00317.45
8.1.70.0000.00717.45
8.1.60.0030.00617.56
8.1.50.0040.00417.55
8.1.40.0000.00717.44
8.1.30.0040.00417.55
8.1.20.0000.00817.68
8.1.10.0000.00817.52
8.1.00.0080.00017.55
8.0.300.0030.00318.77
8.0.290.0040.00417.13
8.0.280.0030.00318.32
8.0.270.0000.00717.22
8.0.260.0070.00016.93
8.0.250.0040.00416.98
8.0.240.0000.00717.08
8.0.230.0070.00016.97
8.0.220.0030.00316.94
8.0.210.0040.00416.95
8.0.200.0030.00316.95
8.0.190.0030.00517.02
8.0.180.0070.00317.03
8.0.170.0040.00416.95
8.0.160.0030.00616.94
8.0.150.0000.00716.90
8.0.140.0030.00316.96
8.0.130.0030.00313.43
8.0.120.0000.00816.91
8.0.110.0040.00417.04
8.0.100.0040.00416.79
8.0.90.0040.00417.01
8.0.80.0120.00916.84
8.0.70.0000.00716.83
8.0.60.0040.00416.91
8.0.50.0030.00517.01
8.0.30.0120.00717.00
8.0.20.0070.01217.42
8.0.10.0000.00716.92
8.0.00.0160.00716.86
7.4.330.0030.00315.00
7.4.320.0030.00316.60
7.4.300.0030.00316.42
7.4.290.0000.00716.52
7.4.280.0000.00716.50
7.4.270.0000.00716.62
7.4.260.0030.00616.43
7.4.250.0040.00416.60
7.4.240.0040.00416.48
7.4.230.0030.00316.31
7.4.220.0100.00716.55
7.4.210.0080.00816.53
7.4.200.0070.00016.45
7.4.190.0070.00016.72
7.4.160.0070.01016.52
7.4.150.0090.00917.40
7.4.140.0090.01217.86
7.4.130.0090.00916.48
7.4.120.0130.00916.54
7.4.110.0120.00916.62
7.4.100.0100.00716.69
7.4.90.0120.00916.33
7.4.80.0120.00919.39
7.4.70.0090.00616.61
7.4.60.0080.00816.43
7.4.50.0040.00016.41
7.4.40.0040.00922.77
7.4.30.0100.00716.54
7.4.00.0130.00315.13
7.3.330.0020.00213.21
7.3.320.0000.00513.35
7.3.310.0040.00416.25
7.3.300.0000.00716.46
7.3.290.0000.01516.50
7.3.280.0100.00816.42
7.3.270.0130.00417.40
7.3.260.0030.01516.35
7.3.250.0120.01016.49
7.3.240.0150.00616.65
7.3.230.0130.00416.39
7.3.210.0160.00216.36
7.3.200.0070.01319.39
7.3.190.0120.00916.26
7.3.180.0110.00816.65
7.3.170.0060.00916.32
7.3.160.0110.01116.45
7.3.120.0040.00414.63
7.2.330.0080.00816.45
7.2.320.0120.00616.84
7.2.310.0110.00716.48
7.2.300.0110.01116.87
7.2.290.0150.00916.56
7.2.00.0030.01019.56
7.1.100.0060.00617.91
7.1.70.0100.00617.25
7.1.60.0120.01219.82
7.1.50.0040.00717.00
7.1.00.0000.08022.27
7.0.200.0050.00216.67
7.0.140.0030.07322.10
7.0.60.0200.07019.97
7.0.50.0030.04717.84
7.0.40.0030.04720.15
7.0.30.0270.04020.21
7.0.20.0230.08720.10
7.0.10.0070.08720.16
7.0.00.0070.07720.01
5.6.280.0070.06721.02
5.6.210.0070.07320.65
5.6.200.0070.08318.22
5.6.190.0200.06020.55
5.6.180.0330.07020.48
5.6.170.0230.04320.58
5.6.160.0100.08320.48
5.6.150.0100.08018.23
5.6.140.0070.03718.15
5.6.130.0130.08018.23
5.6.120.0030.04321.13
5.6.110.0030.04020.99
5.6.100.0100.08321.14
5.6.90.0070.05720.98
5.6.80.0070.08320.39
5.5.350.4130.04720.39
5.5.340.0070.07317.92
5.5.330.0100.08020.25
5.5.320.0270.04020.42
5.5.310.0330.03720.51
5.5.300.0100.05317.96
5.5.290.0100.07017.98
5.5.280.0030.04320.98
5.5.270.0130.05720.76
5.5.260.0070.08020.76
5.5.250.0030.06320.70
5.5.240.0100.07020.25
5.4.450.0470.04719.16
5.4.440.0430.04719.49
5.4.430.0530.04719.40
5.4.420.0230.03719.47
5.4.410.0170.07019.05
5.4.400.0130.05018.76
5.4.390.0070.05718.84
5.4.380.0030.06318.47
5.4.370.0170.05018.58
5.4.360.0130.05318.76
5.4.350.0130.05318.62
5.4.340.0170.07718.48
5.4.320.0070.04012.51
5.4.310.0100.03412.50
5.4.300.0100.04312.50
5.4.290.0040.04712.50
5.4.280.0050.04012.40
5.4.270.0050.03712.37
5.4.260.0060.03812.36
5.4.250.0050.03912.37
5.4.240.0010.04212.36
5.4.230.0090.03512.36
5.4.220.0050.03612.36
5.4.210.0040.04412.36
5.4.200.0050.03812.36
5.4.190.0070.03512.35
5.4.180.0040.03812.36
5.4.170.0070.03612.36
5.4.160.0050.03812.36
5.4.150.0050.03712.36
5.4.140.0060.03712.04
5.4.130.0090.03312.03
5.4.120.0060.03511.98
5.4.110.0080.03711.98
5.4.100.0080.03211.98
5.4.90.0060.03611.98
5.4.80.0070.03511.98
5.4.70.0070.03411.98
5.4.60.0050.03511.98
5.4.50.0060.03511.97
5.4.40.0090.03211.96
5.4.30.0050.04811.96
5.4.20.0050.03711.96
5.4.10.0040.03711.96
5.4.00.0070.03911.45
5.3.290.0080.04212.80
5.3.280.0090.04112.71
5.3.270.0060.03812.72
5.3.260.0040.04112.71
5.3.250.0040.05312.72
5.3.240.0090.03512.72
5.3.230.0100.04912.71
5.3.220.0130.04812.68
5.3.210.0080.04512.68
5.3.200.0070.03712.68
5.3.190.0060.03712.68
5.3.180.0030.04012.67
5.3.170.0050.04112.67
5.3.160.0060.04012.68
5.3.150.0060.03812.68
5.3.140.0060.03712.66
5.3.130.0100.03512.66
5.3.120.0090.03712.66
5.3.110.0020.04212.65
5.3.100.0060.03912.12
5.3.90.0050.03812.08
5.3.80.0080.03412.07
5.3.70.0080.03412.07
5.3.60.0060.03912.07
5.3.50.0050.03812.00
5.3.40.0070.05012.00
5.3.30.0070.03811.95
5.3.20.0120.03211.73
5.3.10.0070.03711.70
5.3.00.0060.03911.68
5.2.170.0040.0379.18
5.2.160.0060.0299.19
5.2.150.0050.0309.19
5.2.140.0050.0319.18
5.2.130.0040.0379.14
5.2.120.0030.0319.14
5.2.110.0040.0309.14
5.2.100.0030.0309.15
5.2.90.0040.0309.15
5.2.80.0020.0339.14
5.2.70.0050.0309.13
5.2.60.0100.0259.09
5.2.50.0050.0339.07
5.2.40.0030.0309.04
5.2.30.0060.0289.01
5.2.20.0040.0299.02
5.2.10.0080.0368.92
5.2.00.0080.0298.77
5.1.60.0080.0318.05
5.1.50.0030.0328.05
5.1.40.0080.0408.04
5.1.30.0130.0268.39
5.1.20.0060.0288.42
5.1.10.0050.0268.14
5.1.00.0060.0248.13
5.0.50.0030.0236.63
5.0.40.0030.0216.48
5.0.30.0030.0316.29
5.0.20.0050.0186.28
5.0.10.0020.0216.24
5.0.00.0060.0296.23
4.4.90.0080.0234.78
4.4.80.0060.0244.75
4.4.70.0040.0154.76
4.4.60.0010.0184.75
4.4.50.0050.0144.77
4.4.40.0050.0234.71
4.4.30.0020.0174.76
4.4.20.0070.0124.84
4.4.10.0030.0164.85
4.4.00.0030.0264.76
4.3.110.0040.0154.67
4.3.100.0050.0134.67
4.3.90.0020.0154.63
4.3.80.0060.0354.58
4.3.70.0040.0214.63
4.3.60.0060.0174.63
4.3.50.0030.0214.63
4.3.40.0080.0264.53
4.3.30.0030.0213.31
4.3.20.0040.0213.29
4.3.10.0020.0213.25
4.3.00.0070.01715.05

preferences:
48.01 ms | 401 KiB | 5 Q