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<20;$i++,$j++){ $arr[$i]=$tmp0; $i++; $tmp0=$arr[$i+1]; $arr[$i+1]=$tmp1; $tmp1=$arr[$j+1]; } printIt($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)
8.3.60.0090.00918.55
8.3.50.0210.01122.06
8.3.40.0150.00018.80
8.3.30.0070.00719.07
8.3.20.0070.00020.24
8.3.10.0040.00421.96
8.3.00.0030.00622.46
8.2.180.0100.01016.88
8.2.170.0120.00322.96
8.2.160.0100.00720.77
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.61
8.2.110.0040.00422.25
8.2.100.0080.00417.97
8.2.90.0090.00019.21
8.2.80.0040.00417.97
8.2.70.0110.00617.50
8.2.60.0060.00318.05
8.2.50.0000.00918.07
8.2.40.0000.00918.34
8.2.30.0080.00018.01
8.2.20.0030.00617.89
8.2.10.0040.00417.70
8.2.00.0040.00417.69
8.1.280.0070.01025.92
8.1.270.0070.00023.93
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.87
8.1.230.0070.00418.96
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0040.00417.29
8.1.180.0080.00018.10
8.1.170.0050.00518.51
8.1.160.0040.00422.02
8.1.150.0060.00318.61
8.1.140.0040.00417.46
8.1.130.0070.00017.87
8.1.120.0000.00717.39
8.1.110.0040.00417.43
8.1.100.0020.00517.53
8.1.90.0000.00717.33
8.1.80.0000.00717.37
8.1.70.0000.00817.38
8.1.60.0090.00017.48
8.1.50.0030.00617.57
8.1.40.0000.00817.50
8.1.30.0030.00617.63
8.1.20.0040.00417.72
8.1.10.0030.00517.62
8.1.00.0040.00417.50
8.0.300.0040.00418.77
8.0.290.0040.00417.18
8.0.280.0030.00318.45
8.0.270.0070.00017.18
8.0.260.0030.00316.85
8.0.250.0030.00317.00
8.0.240.0050.00316.92
8.0.230.0000.00716.95
8.0.220.0050.00316.96
8.0.210.0030.00316.99
8.0.200.0040.00417.01
8.0.190.0070.00017.04
8.0.180.0100.00016.95
8.0.170.0030.00616.88
8.0.160.0050.00316.95
8.0.150.0030.00616.79
8.0.140.0070.00016.98
8.0.130.0000.00813.48
8.0.120.0030.00616.88
8.0.110.0080.00016.88
8.0.100.0000.00716.91
8.0.90.0070.00016.78
8.0.80.0000.01416.97
8.0.70.0000.00716.75
8.0.60.0030.00517.01
8.0.50.0040.00416.95
8.0.30.0150.00417.25
8.0.20.0100.00817.40
8.0.10.0070.00017.08
8.0.00.0130.01016.79
7.4.330.0020.00215.04
7.4.320.0000.00616.54
7.4.300.0040.00416.60
7.4.290.0030.00316.52
7.4.280.0000.00716.55
7.4.270.0040.00416.60
7.4.260.0000.00916.45
7.4.250.0000.00816.46
7.4.240.0030.00516.55
7.4.230.0000.00716.41
7.4.220.0040.01516.67
7.4.210.0080.00816.61
7.4.200.0000.00716.50
7.4.190.0000.00716.47
7.4.160.0080.00816.69
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0070.01216.62
7.4.120.0060.01116.44
7.4.110.0100.00716.63
7.4.100.0130.00316.46
7.4.90.0040.01516.43
7.4.80.0090.01019.39
7.4.70.0040.01116.57
7.4.60.0060.01116.40
7.4.50.0060.00316.65
7.4.40.0110.00622.77
7.4.30.0070.01016.66
7.4.00.0120.00614.98
7.3.330.0030.00313.47
7.3.320.0000.00513.50
7.3.310.0000.00716.45
7.3.300.0000.00716.44
7.3.290.0090.00816.45
7.3.280.0080.00916.40
7.3.270.0090.00917.40
7.3.260.0060.01216.63
7.3.250.0120.00916.38
7.3.240.0080.00916.41
7.3.230.0030.01616.61
7.3.210.0100.00616.37
7.3.200.0030.01319.39
7.3.190.0110.00716.43
7.3.180.0120.00916.39
7.3.170.0160.00616.55
7.3.160.0060.00916.51
7.3.120.0090.00614.88
7.2.330.0080.00816.82
7.2.320.0070.01116.73
7.2.310.0100.00716.65
7.2.300.0070.01016.79
7.2.290.0060.00916.86
7.2.80.0070.01116.93
7.2.60.0100.00716.78
7.2.00.0040.01119.16
7.1.200.0070.00415.88
7.1.100.0000.01118.20
7.1.70.0020.00516.93
7.1.60.0130.01319.82
7.1.50.0030.01717.10
7.1.00.0100.06722.27
7.0.200.0030.00316.47
7.0.140.0070.07022.21
7.0.60.0030.08019.82
7.0.50.0100.04317.98
7.0.40.0100.08320.27
7.0.30.0470.06720.10
7.0.20.0230.08320.18
7.0.10.0100.06020.09
7.0.00.0000.08320.14
5.6.280.0030.07321.10
5.6.210.0100.07020.53
5.6.200.0030.06018.16
5.6.190.0200.07720.77
5.6.180.0100.04020.46
5.6.170.0370.08020.56
5.6.160.0030.06320.52
5.6.150.0100.08018.20
5.6.140.0070.06718.23
5.6.130.0130.03318.17
5.6.120.0070.04021.13
5.6.110.0170.06721.12
5.6.100.0130.07721.01
5.6.90.0100.08020.99
5.6.80.0030.07320.39
5.6.70.2100.06320.51
5.5.350.0270.07320.28
5.5.340.0100.08018.02
5.5.330.0070.08020.21
5.5.320.0230.05720.33
5.5.310.0100.04720.34
5.5.300.0130.04718.04
5.5.290.0030.08318.08
5.5.280.0030.08020.80
5.5.270.0100.07720.89
5.5.260.0170.07720.90
5.5.250.0170.07320.63
5.5.240.0200.03020.29
5.4.450.0900.07319.60
5.4.440.0700.06319.19
5.4.430.0130.05319.52
5.4.420.0100.05719.52
5.4.410.0200.04318.65
5.4.400.0070.05718.77
5.4.390.0330.05018.64
5.4.380.0100.05318.68
5.4.370.0200.05318.72
5.4.360.0370.05318.52
5.4.350.0230.05318.56
5.4.340.0400.04318.74
5.4.320.0070.04312.50
5.4.310.0050.04012.50
5.4.300.0150.04212.51
5.4.290.0070.04512.50
5.4.280.0080.03312.40
5.4.270.0090.04312.36
5.4.260.0100.04012.36
5.4.250.0040.04012.36
5.4.240.0060.04312.37
5.4.230.0060.03812.35
5.4.220.0060.03612.35
5.4.210.0070.03412.35
5.4.200.0060.03812.36
5.4.190.0050.03712.35
5.4.180.0080.03412.35
5.4.170.0060.03612.36
5.4.160.0100.03312.36
5.4.150.0040.04112.35
5.4.140.0080.03412.04
5.4.130.0060.03412.03
5.4.120.0070.03411.98
5.4.110.0050.05011.98
5.4.100.0070.03611.98
5.4.90.0040.03911.98
5.4.80.0070.03611.98
5.4.70.0060.03411.98
5.4.60.0060.03811.98
5.4.50.0100.03111.97
5.4.40.0020.03811.96
5.4.30.0040.03711.96
5.4.20.0040.03611.96
5.4.10.0070.03511.96
5.4.00.0070.03511.44
5.3.290.0080.04712.80
5.3.280.0040.03912.71
5.3.270.0060.03912.72
5.3.260.0060.03812.72
5.3.250.0050.03912.71
5.3.240.0050.04312.72
5.3.230.0080.03612.71
5.3.220.0080.03912.68
5.3.210.0040.04012.68
5.3.200.0050.03712.68
5.3.190.0050.03812.68
5.3.180.0060.03712.67
5.3.170.0040.03912.66
5.3.160.0110.03212.68
5.3.150.0130.04112.67
5.3.140.0140.04612.66
5.3.130.0140.05012.66
5.3.120.0070.03812.66
5.3.110.0100.03512.66
5.3.100.0080.03612.12
5.3.90.0070.03612.08
5.3.80.0070.03712.07
5.3.70.0060.03612.08
5.3.60.0060.03912.07
5.3.50.0100.04412.00
5.3.40.0080.04912.00
5.3.30.0090.04811.96
5.3.20.0070.03711.73
5.3.10.0080.03811.70
5.3.00.0040.03911.68
5.2.170.0040.0319.19
5.2.160.0040.0309.18
5.2.150.0010.0359.18
5.2.140.0030.0329.18
5.2.130.0020.0319.14
5.2.120.0050.0309.14
5.2.110.0070.0329.14
5.2.100.0070.0379.15
5.2.90.0040.0319.14
5.2.80.0060.0299.14
5.2.70.0030.0339.13
5.2.60.0030.0459.09
5.2.50.0040.0339.06
5.2.40.0070.0289.04
5.2.30.0050.0309.02
5.2.20.0050.0299.02
5.2.10.0070.0288.92
5.2.00.0070.0278.77
5.1.60.0060.0238.05
5.1.50.0030.0268.05
5.1.40.0020.0268.04
5.1.30.0030.0278.39
5.1.20.0020.0298.42
5.1.10.0010.0298.14
5.1.00.0050.0298.14
5.0.50.0060.0246.63
5.0.40.0060.0216.49
5.0.30.0030.0326.29
5.0.20.0050.0186.27
5.0.10.0030.0206.25
5.0.00.0030.0316.24
4.4.90.0020.0194.77
4.4.80.0020.0204.76
4.4.70.0030.0174.75
4.4.60.0020.0164.75
4.4.50.0010.0174.77
4.4.40.0030.0264.71
4.4.30.0050.0174.76
4.4.20.0010.0194.84
4.4.10.0050.0174.85
4.4.00.0030.0264.76
4.3.110.0000.0194.67
4.3.100.0040.0144.66
4.3.90.0030.0144.63
4.3.80.0010.0264.59
4.3.70.0020.0184.63
4.3.60.0030.0164.63
4.3.50.0040.0194.62
4.3.40.0040.0224.54
4.3.30.0010.0173.30
4.3.20.0020.0193.29
4.3.10.0020.0153.25
4.3.00.0070.0276.61

preferences:
36.25 ms | 401 KiB | 5 Q