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]; $arr[$i]=$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)
8.3.70.0040.01118.36
8.3.60.0120.00318.48
8.3.50.0060.00821.95
8.3.40.0140.00018.79
8.3.30.0040.01118.82
8.3.20.0090.00620.20
8.3.10.0050.00321.96
8.3.00.0050.00322.52
8.2.190.0070.01116.63
8.2.180.0030.01216.75
8.2.170.0120.00322.96
8.2.160.0110.00420.79
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00817.75
8.2.110.0060.00322.14
8.2.100.0040.00819.70
8.2.90.0000.00819.21
8.2.80.0000.00817.97
8.2.70.0050.00517.63
8.2.60.0000.00917.93
8.2.50.0000.00818.07
8.2.40.0040.00418.34
8.2.30.0070.00018.02
8.2.20.0000.00717.73
8.2.10.0030.00517.70
8.2.00.0000.00817.80
8.1.280.0070.01025.92
8.1.270.0000.00723.92
8.1.260.0080.00026.35
8.1.250.0050.00528.09
8.1.240.0060.00323.80
8.1.230.0040.00819.02
8.1.220.0030.00617.88
8.1.210.0050.00318.77
8.1.200.0060.00717.35
8.1.190.0040.00417.52
8.1.180.0060.00318.10
8.1.170.0060.00318.62
8.1.160.0000.00722.03
8.1.150.0030.00518.57
8.1.140.0030.00617.46
8.1.130.0000.00717.84
8.1.120.0040.00417.51
8.1.110.0030.00617.54
8.1.100.0000.00917.50
8.1.90.0040.00417.43
8.1.80.0000.00817.36
8.1.70.0030.00317.45
8.1.60.0040.00417.61
8.1.50.0000.00817.45
8.1.40.0040.00417.46
8.1.30.0080.00017.69
8.1.20.0030.00517.70
8.1.10.0030.00617.52
8.1.00.0040.00417.54
8.0.300.0030.00318.77
8.0.290.0000.00717.04
8.0.280.0040.00418.45
8.0.270.0070.00017.23
8.0.260.0050.00316.92
8.0.250.0030.00316.93
8.0.240.0080.00017.02
8.0.230.0050.00217.09
8.0.220.0040.00416.87
8.0.210.0000.00716.97
8.0.200.0040.00417.07
8.0.190.0000.00717.09
8.0.180.0080.00316.86
8.0.170.0050.00316.89
8.0.160.0000.00716.86
8.0.150.0000.00716.91
8.0.140.0040.00417.00
8.0.130.0000.00613.39
8.0.120.0080.00017.00
8.0.110.0040.00416.88
8.0.100.0000.00716.93
8.0.90.0080.00016.86
8.0.80.0000.01417.03
8.0.70.0000.00716.95
8.0.60.0000.00717.00
8.0.50.0070.00016.81
8.0.30.0100.01217.21
8.0.20.0160.00417.40
8.0.10.0040.00417.21
8.0.00.0100.00816.80
7.4.330.0000.00515.05
7.4.320.0000.00616.66
7.4.300.0070.00016.46
7.4.290.0070.00016.50
7.4.280.0070.00016.48
7.4.270.0000.00716.59
7.4.260.0060.00316.57
7.4.250.0040.00416.48
7.4.240.0000.00816.63
7.4.230.0000.00716.43
7.4.220.0040.01416.61
7.4.210.0090.00816.57
7.4.200.0040.00416.33
7.4.190.0070.00016.49
7.4.160.0040.01216.60
7.4.150.0070.01117.40
7.4.140.0090.00917.86
7.4.130.0090.01316.71
7.4.120.0100.00716.58
7.4.110.0110.00616.53
7.4.100.0100.00716.70
7.4.90.0060.01216.44
7.4.80.0090.00919.39
7.4.70.0000.01816.52
7.4.60.0060.00916.44
7.4.50.0100.00016.27
7.4.40.0070.01022.77
7.4.30.0170.00516.60
7.4.00.0070.01015.25
7.3.330.0050.00013.42
7.3.320.0000.00513.19
7.3.310.0030.00316.47
7.3.300.0030.00316.38
7.3.290.0100.00716.48
7.3.280.0060.00916.44
7.3.270.0160.00317.40
7.3.260.0090.00916.36
7.3.250.0120.00716.46
7.3.240.0030.02116.45
7.3.230.0060.01216.61
7.3.210.0030.01416.49
7.3.200.0110.01019.39
7.3.190.0080.00816.45
7.3.180.0150.00616.50
7.3.170.0120.00616.39
7.3.160.0160.00016.58
7.3.120.0070.00315.08
7.2.330.0130.00316.67
7.2.320.0140.00516.56
7.2.310.0030.01516.77
7.2.300.0100.01316.39
7.2.290.0030.01216.86
7.2.00.0030.01019.18
7.1.100.0030.01017.99
7.1.70.0070.01017.17
7.1.60.0040.02219.82
7.1.50.0000.01116.74
7.1.00.0070.07022.48
7.0.200.0070.00316.78
7.0.140.0030.07022.16
7.0.60.0100.05720.07
7.0.50.0070.07717.89
7.0.40.0070.08720.13
7.0.30.0200.04020.17
7.0.20.0200.04320.34
7.0.10.0270.07320.22
7.0.00.0100.04720.12
5.6.280.0000.07321.08
5.6.210.0070.08320.73
5.6.200.0000.05018.25
5.6.190.0130.08320.33
5.6.180.0000.04320.50
5.6.170.0300.07320.51
5.6.160.0030.04320.47
5.6.150.0070.03718.14
5.6.140.0030.04718.15
5.6.130.0200.06318.26
5.6.120.0100.06721.04
5.6.110.0130.06721.02
5.6.100.0070.08321.01
5.6.90.0070.04321.01
5.6.80.0070.07720.40
5.6.70.0270.03720.43
5.5.350.0100.06720.47
5.5.340.0070.07717.97
5.5.330.0000.07720.21
5.5.320.0200.06020.35
5.5.310.0170.04720.30
5.5.300.0030.05717.94
5.5.290.0100.07318.09
5.5.280.0070.06320.66
5.5.270.0100.07020.77
5.5.260.0230.07020.87
5.5.250.0230.06320.59
5.5.240.0030.04020.24
5.4.450.0370.04019.37
5.4.440.0270.04019.31
5.4.430.0500.02719.40
5.4.420.1000.04319.32
5.4.410.0130.05018.98
5.4.400.0100.05318.84
5.4.390.0070.05318.80
5.4.380.0270.04018.47
5.4.370.0330.03318.74
5.4.360.0130.05318.54
5.4.350.0200.04718.74
5.4.340.0130.05718.54
5.4.320.0080.03812.50
5.4.310.0080.03612.50
5.4.300.0090.03412.50
5.4.290.0040.04012.50
5.4.280.0060.03812.40
5.4.270.0040.03812.37
5.4.260.0050.03912.36
5.4.250.0110.03312.36
5.4.240.0080.03512.36
5.4.230.0070.03812.35
5.4.220.0050.03812.36
5.4.210.0070.03512.36
5.4.200.0050.05412.35
5.4.190.0120.04512.36
5.4.180.0080.03712.35
5.4.170.0070.03712.37
5.4.160.0040.03912.36
5.4.150.0060.03712.36
5.4.140.0060.04412.04
5.4.130.0060.03712.03
5.4.120.0060.04111.98
5.4.110.0040.03811.98
5.4.100.0040.03611.98
5.4.90.0050.03711.98
5.4.80.0040.03911.98
5.4.70.0060.03411.97
5.4.60.0070.03311.98
5.4.50.0100.03111.98
5.4.40.0040.04111.96
5.4.30.0030.03711.96
5.4.20.0050.03511.96
5.4.10.0030.03811.96
5.4.00.0060.03611.45
5.3.290.0060.03912.80
5.3.280.0040.04012.71
5.3.270.0050.04012.72
5.3.260.0050.04012.72
5.3.250.0060.03712.72
5.3.240.0090.03412.72
5.3.230.0040.03912.71
5.3.220.0060.03712.68
5.3.210.0090.03612.68
5.3.200.0070.03612.68
5.3.190.0080.03612.68
5.3.180.0040.04212.67
5.3.170.0060.05412.67
5.3.160.0080.05012.68
5.3.150.0070.04012.67
5.3.140.0040.04012.66
5.3.130.0090.03812.66
5.3.120.0060.04012.66
5.3.110.0060.03912.65
5.3.100.0060.03612.11
5.3.90.0070.04212.09
5.3.80.0070.04212.08
5.3.70.0050.03912.07
5.3.60.0090.04212.06
5.3.50.0050.03612.00
5.3.40.0050.03812.00
5.3.30.0040.03711.96
5.3.20.0100.03311.73
5.3.10.0090.03411.70
5.3.00.0070.03611.68
5.2.170.0090.0419.18
5.2.160.0070.0279.18
5.2.150.0070.0289.19
5.2.140.0060.0299.18
5.2.130.0060.0329.15
5.2.120.0050.0289.14
5.2.110.0040.0309.14
5.2.100.0090.0319.15
5.2.90.0060.0319.15
5.2.80.0050.0309.13
5.2.70.0050.0309.14
5.2.60.0060.0299.09
5.2.50.0060.0299.06
5.2.40.0060.0279.04
5.2.30.0020.0329.02
5.2.20.0050.0279.01
5.2.10.0020.0308.93
5.2.00.0080.0328.77
5.1.60.0040.0248.06
5.1.50.0010.0288.06
5.1.40.0050.0258.04
5.1.30.0050.0258.39
5.1.20.0020.0298.41
5.1.10.0060.0248.14
5.1.00.0040.0298.14
5.0.50.0060.0236.62
5.0.40.0040.0236.48
5.0.30.0020.0326.29
5.0.20.0040.0186.27
5.0.10.0060.0196.25
5.0.00.0030.0326.24
4.4.90.0010.0174.78
4.4.80.0050.0134.76
4.4.70.0040.0154.76
4.4.60.0030.0154.75
4.4.50.0010.0204.77
4.4.40.0020.0274.71
4.4.30.0040.0144.76
4.4.20.0040.0164.84
4.4.10.0030.0184.85
4.4.00.0020.0284.76
4.3.110.0040.0154.67
4.3.100.0020.0184.66
4.3.90.0030.0144.63
4.3.80.0040.0284.58
4.3.70.0030.0144.63
4.3.60.0040.0144.63
4.3.50.0030.0174.63
4.3.40.0010.0264.53
4.3.30.0010.0173.31
4.3.20.0020.0163.29
4.3.10.0000.0183.24
4.3.00.0100.01315.05

preferences:
48.84 ms | 401 KiB | 5 Q