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'); $tmp0 = $arr[0]; $tmp1 = $arr[10]; $n=10; for($i=0,$j=$n;$i<count($arr);$i+=2,$j++){ $arr[$i]=$tmp0; $tmp0 = $arr[$i+1]; $arr[$i+1]=$tmp1; $tmp1 = $arr[$j+1]; } 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)
8.3.70.0070.01418.68
8.3.60.0080.00818.31
8.3.50.0260.00321.99
8.3.40.0040.01118.79
8.3.30.0000.01419.21
8.3.20.0040.00420.39
8.3.10.0000.00822.04
8.3.00.0060.00322.58
8.2.180.0110.00718.79
8.2.170.0140.00722.96
8.2.160.0110.00820.90
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0000.00819.36
8.2.110.0030.00622.25
8.2.100.0060.00617.91
8.2.90.0000.00719.35
8.2.80.0000.00817.97
8.2.70.0060.00317.75
8.2.60.0000.00917.93
8.2.50.0040.00418.07
8.2.40.0000.00718.28
8.2.30.0040.00418.08
8.2.20.0000.00717.79
8.2.10.0040.00417.94
8.2.00.0000.00717.78
8.1.280.0100.01025.92
8.1.270.0140.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.83
8.1.230.0110.00019.10
8.1.220.0040.00417.77
8.1.210.0050.00318.77
8.1.200.0060.00317.36
8.1.190.0000.00817.52
8.1.180.0030.00618.10
8.1.170.0040.00418.61
8.1.160.0070.00021.94
8.1.150.0070.00018.59
8.1.140.0070.00317.47
8.1.130.0030.00317.75
8.1.120.0000.00717.47
8.1.110.0060.00317.45
8.1.100.0060.00317.41
8.1.90.0000.00717.47
8.1.80.0070.00017.44
8.1.70.0030.00317.34
8.1.60.0040.00417.62
8.1.50.0060.00317.45
8.1.40.0040.00417.43
8.1.30.0000.00917.54
8.1.20.0030.00517.63
8.1.10.0040.00417.66
8.1.00.0040.00417.54
8.0.300.0000.00818.77
8.0.290.0040.00417.18
8.0.280.0080.00018.49
8.0.270.0040.00417.28
8.0.260.0060.00016.92
8.0.250.0030.00317.00
8.0.240.0000.00716.90
8.0.230.0030.00317.07
8.0.220.0000.00716.86
8.0.210.0000.00816.87
8.0.200.0030.00316.98
8.0.190.0000.00716.94
8.0.180.0060.00317.03
8.0.170.0070.00016.93
8.0.160.0080.00016.84
8.0.150.0040.00416.91
8.0.140.0040.00416.99
8.0.130.0000.00513.44
8.0.120.0020.00517.02
8.0.110.0000.00816.95
8.0.100.0030.00516.77
8.0.90.0070.00016.94
8.0.80.0120.00916.89
8.0.70.0000.00716.93
8.0.60.0000.00716.91
8.0.50.0000.00816.79
8.0.30.0110.00817.07
8.0.20.0060.01417.40
8.0.10.0000.00716.88
8.0.00.0130.00816.90
7.4.330.0050.00015.14
7.4.320.0030.00316.45
7.4.300.0030.00316.61
7.4.290.0070.00016.66
7.4.280.0030.00316.57
7.4.270.0040.00416.63
7.4.260.0030.00716.51
7.4.250.0000.00816.48
7.4.240.0020.00616.52
7.4.230.0030.00316.55
7.4.220.0170.00716.62
7.4.210.0080.00916.63
7.4.200.0000.00716.59
7.4.190.0070.00016.75
7.4.160.0130.00316.44
7.4.150.0110.00717.40
7.4.140.0140.00917.86
7.4.130.0090.00916.47
7.4.120.0060.01116.64
7.4.110.0080.00816.51
7.4.100.0060.01216.70
7.4.90.0190.00516.54
7.4.80.0150.00919.39
7.4.70.0070.01016.49
7.4.60.0070.01116.68
7.4.50.0030.00616.25
7.4.40.0070.00722.77
7.4.30.0160.00016.67
7.4.00.0100.00715.21
7.3.330.0020.00213.31
7.3.320.0050.00013.24
7.3.310.0030.00316.35
7.3.300.0080.00016.24
7.3.290.0100.01016.44
7.3.280.0120.00816.41
7.3.270.0100.00717.40
7.3.260.0110.00816.50
7.3.250.0100.01216.42
7.3.240.0100.01316.52
7.3.230.0130.00816.39
7.3.210.0120.00616.45
7.3.200.0100.01019.39
7.3.190.0110.01116.67
7.3.180.0030.01316.41
7.3.170.0130.00316.43
7.3.160.0030.01316.40
7.3.120.0090.00914.58
7.2.330.0060.01116.68
7.2.320.0060.01216.84
7.2.310.0030.01416.85
7.2.300.0030.01416.59
7.2.290.0160.00316.53
7.2.00.0030.00919.48
7.1.100.0040.00717.86
7.1.70.0120.00617.18
7.1.60.0130.01319.82
7.1.50.0150.00617.02
7.1.00.0000.08022.41
7.0.200.0090.00016.52
7.0.140.0070.06721.94
7.0.60.0030.08319.86
7.0.50.0130.07317.83
7.0.40.0070.07320.13
7.0.30.0330.06320.21
7.0.20.0230.08720.18
7.0.10.0330.06320.09
7.0.00.0030.04720.11
5.6.280.0000.07321.12
5.6.210.0000.07320.76
5.6.200.0100.08018.11
5.6.190.0030.04320.57
5.6.180.3530.04020.39
5.6.170.0200.04320.51
5.6.160.0130.08020.52
5.6.150.0000.04318.11
5.6.140.0130.07318.21
5.6.130.0000.09318.22
5.6.120.0070.05320.97
5.6.110.0000.04721.13
5.6.100.0000.05020.98
5.6.90.0030.08021.11
5.6.80.0030.05020.35
5.6.70.4330.04720.46
5.5.350.0000.08320.36
5.5.340.0070.07718.02
5.5.330.0030.07720.40
5.5.320.0430.05020.51
5.5.310.0170.03720.17
5.5.300.0100.08017.90
5.5.290.0000.04717.91
5.5.280.0130.08320.80
5.5.270.0070.04320.76
5.5.260.0100.08020.64
5.5.250.0000.08020.64
5.5.240.0070.08020.18
5.4.450.0770.04019.13
5.4.440.1000.04319.49
5.4.430.0470.04019.09
5.4.420.1000.04319.34
5.4.410.0030.06018.95
5.4.400.0130.06018.61
5.4.390.0070.07718.73
5.4.380.0070.06018.50
5.4.370.0200.04718.65
5.4.360.0130.05018.68
5.4.350.0230.04318.45
5.4.340.0130.05018.64
5.4.320.0070.04512.46
5.4.310.0050.04112.45
5.4.300.0050.05012.46
5.4.290.0110.04012.45
5.4.280.0090.03712.35
5.4.270.0050.03912.32
5.4.260.0060.04812.32
5.4.250.0070.03612.32
5.4.240.0050.03712.32
5.4.230.0060.03812.31
5.4.220.0050.03812.31
5.4.210.0080.03312.31
5.4.200.0080.03412.31
5.4.190.0040.03812.31
5.4.180.0040.03812.31
5.4.170.0080.03512.32
5.4.160.0030.04112.31
5.4.150.0040.03812.30
5.4.140.0080.03511.99
5.4.130.0040.03711.98
5.4.120.0050.03611.93
5.4.110.0040.03611.93
5.4.100.0050.03511.93
5.4.90.0030.04511.93
5.4.80.0050.04111.93
5.4.70.0100.03911.93
5.4.60.0080.03311.93
5.4.50.0050.03611.93
5.4.40.0080.03211.92
5.4.30.0030.03811.91
5.4.20.0070.03411.92
5.4.10.0080.03311.92
5.4.00.0060.03611.41
5.3.290.0100.03512.80
5.3.280.0060.03812.71
5.3.270.0110.03512.73
5.3.260.0080.03712.72
5.3.250.0080.03512.72
5.3.240.0080.03912.72
5.3.230.0040.04212.71
5.3.220.0090.04112.68
5.3.210.0100.03612.68
5.3.200.0070.03512.68
5.3.190.0090.03412.68
5.3.180.0090.03412.68
5.3.170.0100.03312.67
5.3.160.0070.03612.68
5.3.150.0050.03812.67
5.3.140.0040.03812.66
5.3.130.0050.04012.66
5.3.120.0040.04112.66
5.3.110.0060.04712.66
5.3.100.0070.03612.12
5.3.90.0050.03712.08
5.3.80.0040.03712.07
5.3.70.0060.03612.07
5.3.60.0070.03612.07
5.3.50.0050.03712.00
5.3.40.0060.04512.00
5.3.30.0060.03611.94
5.3.20.0070.03411.70
5.3.10.0080.03211.66
5.3.00.0080.03411.65
5.2.170.0070.0319.15
5.2.160.0020.0319.15
5.2.150.0040.0309.15
5.2.140.0080.0279.15
5.2.130.0030.0319.11
5.2.120.0060.0269.11
5.2.110.0030.0349.11
5.2.100.0070.0289.12
5.2.90.0040.0309.11
5.2.80.0050.0329.11
5.2.70.0040.0369.11
5.2.60.0060.0319.06
5.2.50.0060.0309.04
5.2.40.0050.0299.01
5.2.30.0050.0318.98
5.2.20.0060.0358.97
5.2.10.0050.0298.91
5.2.00.0060.0318.77
5.1.60.0050.0248.05
5.1.50.0050.0288.05
5.1.40.0070.0228.04
5.1.30.0060.0258.39
5.1.20.0050.0268.41
5.1.10.0040.0268.13
5.1.00.0060.0258.13
5.0.50.0040.0206.62
5.0.40.0040.0196.48
5.0.30.0010.0356.30
5.0.20.0020.0236.26
5.0.10.0050.0266.24
5.0.00.0030.0326.23
4.4.90.0020.0164.78
4.4.80.0020.0164.75
4.4.70.0030.0204.75
4.4.60.0010.0234.76
4.4.50.0050.0204.77
4.4.40.0040.0314.71
4.4.30.0060.0184.76
4.4.20.0030.0194.84
4.4.10.0070.0184.84
4.4.00.0040.0294.76
4.3.110.0030.0214.67
4.3.100.0040.0204.67
4.3.90.0020.0174.64
4.3.80.0070.0214.59
4.3.70.0040.0184.63
4.3.60.0020.0174.63
4.3.50.0070.0124.63
4.3.40.0030.0304.54
4.3.30.0030.0213.30
4.3.20.0030.0203.28
4.3.10.0020.0223.25
4.3.00.0000.01313.29

preferences:
38.81 ms | 401 KiB | 5 Q