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]=$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)
8.3.60.0120.00918.55
8.3.50.0110.00621.92
8.3.40.0070.01418.80
8.3.30.0060.00919.13
8.3.20.0000.00720.38
8.3.10.0150.00022.09
8.3.00.0060.01222.50
8.2.180.0000.01516.88
8.2.170.0170.00322.96
8.2.160.0140.00321.06
8.2.150.0160.00024.18
8.2.140.0000.00824.66
8.2.130.0060.00326.16
8.2.120.0070.00719.48
8.2.110.0060.00322.22
8.2.100.0070.00419.57
8.2.90.0030.00519.25
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0030.00617.93
8.2.50.0030.00518.07
8.2.40.0030.00518.34
8.2.30.0050.00318.13
8.2.20.0040.00417.79
8.2.10.0050.00217.75
8.2.00.0040.00417.74
8.1.280.0140.00725.92
8.1.270.0040.00421.84
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00524.02
8.1.230.0070.00419.16
8.1.220.0000.00917.79
8.1.210.0040.00418.77
8.1.200.0000.01017.35
8.1.190.0050.00317.53
8.1.180.0080.00018.79
8.1.170.0090.00018.63
8.1.160.0070.00022.07
8.1.150.0040.00418.70
8.1.140.0040.00417.46
8.1.130.0070.00017.84
8.1.120.0030.00317.38
8.1.110.0080.00017.34
8.1.100.0040.00417.46
8.1.90.0040.00417.50
8.1.80.0050.00217.47
8.1.70.0040.00417.42
8.1.60.0040.00417.50
8.1.50.0000.00917.45
8.1.40.0030.00517.42
8.1.30.0000.00817.64
8.1.20.0030.00617.60
8.1.10.0070.00017.47
8.1.00.0000.00917.52
8.0.300.0000.00718.77
8.0.290.0070.00017.16
8.0.280.0040.00418.32
8.0.270.0040.00317.22
8.0.260.0030.00316.94
8.0.250.0030.00317.03
8.0.240.0040.00417.07
8.0.230.0030.00316.96
8.0.220.0000.00716.85
8.0.210.0030.00316.96
8.0.200.0030.00317.02
8.0.190.0040.00416.99
8.0.180.0040.00416.89
8.0.170.0040.00416.91
8.0.160.0040.00417.03
8.0.150.0040.00416.89
8.0.140.0050.00216.94
8.0.130.0030.00313.35
8.0.120.0050.00316.88
8.0.110.0040.00416.88
8.0.100.0040.00416.80
8.0.90.0040.00416.98
8.0.80.0070.01016.88
8.0.70.0070.00016.88
8.0.60.0040.00417.00
8.0.50.0040.00416.89
8.0.30.0110.00817.15
8.0.20.0110.00717.40
8.0.10.0040.00417.03
8.0.00.0090.01016.64
7.4.330.0050.00015.09
7.4.320.0040.00416.43
7.4.300.0000.00616.62
7.4.290.0070.00016.54
7.4.280.0030.00316.60
7.4.270.0000.00616.46
7.4.260.0030.00316.54
7.4.250.0000.00716.47
7.4.240.0040.00316.55
7.4.230.0040.00416.65
7.4.220.0070.01116.42
7.4.210.0040.01016.55
7.4.200.0070.00016.61
7.4.190.0070.00016.65
7.4.160.0120.00416.70
7.4.150.0100.01017.40
7.4.140.0080.01017.86
7.4.130.0080.00816.52
7.4.120.0110.00616.53
7.4.110.0110.00516.52
7.4.100.0130.01016.56
7.4.90.0170.00716.54
7.4.80.0150.00619.39
7.4.70.0040.01316.71
7.4.60.0040.01316.61
7.4.50.0000.00416.66
7.4.40.0070.01022.77
7.4.30.0030.01316.57
7.4.00.0070.00715.04
7.3.330.0000.00513.38
7.3.320.0000.00613.39
7.3.310.0030.00316.48
7.3.300.0070.00016.43
7.3.290.0090.00816.44
7.3.280.0090.00716.38
7.3.270.0030.01817.40
7.3.260.0130.00316.50
7.3.250.0110.00716.57
7.3.240.0120.00916.34
7.3.230.0140.00316.49
7.3.210.0140.00316.57
7.3.200.0100.00619.39
7.3.190.0130.00716.64
7.3.180.0140.00316.39
7.3.170.0080.00816.37
7.3.160.0170.00316.45
7.3.120.0040.00714.97
7.2.330.0070.01016.86
7.2.320.0060.01116.81
7.2.310.0070.01216.76
7.2.300.0080.00816.77
7.2.290.0030.01216.55
7.2.60.0070.00716.94
7.2.00.0030.01219.39
7.1.200.0040.01115.63
7.1.100.0000.01118.19
7.1.70.0060.00616.93
7.1.60.0030.00717.26
7.1.50.0100.01416.70
7.1.00.0100.07022.44
7.0.200.0040.01116.87
7.0.140.0000.07722.18
7.0.100.0030.06319.91
7.0.90.0070.07719.82
7.0.80.0000.04720.01
7.0.70.0030.06719.93
7.0.60.0070.05319.97
7.0.50.0070.07020.31
7.0.40.0000.04320.13
7.0.30.0000.04320.15
7.0.20.0100.07020.00
7.0.10.0070.08019.99
7.0.00.0130.08320.13
5.6.280.0000.07720.81
5.6.250.0030.04020.73
5.6.240.0030.06320.68
5.6.230.0030.04020.61
5.6.220.0000.04320.72
5.6.210.0100.04320.61
5.6.200.0100.06721.17
5.6.190.0000.06721.03
5.6.180.0030.05020.95
5.6.170.0070.08721.12
5.6.160.0130.06321.09
5.6.150.0070.08020.94
5.6.140.0100.07721.02
5.6.130.0070.07721.05
5.6.120.0000.08021.13
5.6.110.0000.08720.96
5.6.100.0070.04321.03
5.6.90.0130.09720.93
5.6.80.0100.06720.34
5.6.70.0030.04320.34
5.6.60.0030.08020.37
5.6.50.0070.04020.55
5.6.40.0200.02320.54
5.6.30.0030.07720.30
5.6.20.0100.06020.28
5.6.10.0030.04020.38
5.6.00.0070.06720.36
5.5.380.0030.04320.43
5.5.370.0070.06720.38
5.5.360.0030.07720.36
5.5.350.0030.04720.39
5.5.340.0130.08320.82
5.5.330.0030.08720.85
5.5.320.0030.04020.82
5.5.310.0070.06320.88
5.5.300.0130.06320.92
5.5.290.0100.07320.80
5.5.280.0170.07020.87
5.5.270.0070.07320.86
5.5.260.0030.07320.63
5.5.250.0000.07720.64
5.5.240.0070.03720.16
5.5.230.0070.04320.16
5.5.220.0000.09020.29
5.5.210.0000.07020.31
5.5.200.0030.04720.12
5.5.190.0070.06720.28
5.5.180.0030.06320.18
5.5.160.0000.05320.25
5.5.150.0030.04020.11
5.5.140.0070.06720.28
5.5.130.0100.06320.23
5.5.120.0070.07320.23
5.5.110.0130.03020.16
5.5.100.0070.03320.12
5.5.90.0000.04020.07
5.5.80.0070.06720.07
5.5.70.0030.04320.09
5.5.60.0130.02720.14
5.5.50.0030.07320.07
5.5.40.0100.06720.07
5.5.30.0070.07319.92
5.5.20.0030.04020.01
5.5.10.0000.08020.13
5.5.00.0030.07320.02
5.4.450.0000.08719.37
5.4.440.0100.04719.49
5.4.430.0030.08719.53
5.4.420.0130.07319.22
5.4.410.0030.07719.34
5.4.400.0100.06719.17
5.4.390.0100.06719.18
5.4.380.0000.07319.24
5.4.370.0070.04019.23
5.4.360.0070.07718.85
5.4.350.0100.07719.14
5.4.340.0030.06018.86
5.4.320.0030.04019.14
5.4.310.0070.03318.87
5.4.300.0070.07019.03
5.4.290.0030.06018.90
5.4.280.0030.04019.03
5.4.270.0070.07319.04
5.4.260.0070.07019.21
5.4.250.0030.05018.87
5.4.240.0070.07019.04
5.4.230.0070.05719.03
5.4.220.0030.07719.13
5.4.210.0030.04018.86
5.4.200.0030.07719.17
5.4.190.0070.06018.84
5.4.180.0000.07719.05
5.4.170.0030.08019.12
5.4.160.0000.04019.17
5.4.150.0070.07019.03
5.4.140.0000.08316.41
5.4.130.0030.06716.44
5.4.120.0030.07316.39
5.4.110.0030.06316.50
5.4.100.0070.07016.43
5.4.90.0030.05016.43
5.4.80.0000.03716.50
5.4.70.0070.08316.48
5.4.60.0170.03016.41
5.4.50.0000.03716.48
5.4.40.0030.06316.44
5.4.30.0030.04716.36
5.4.20.0100.03716.32
5.4.10.0100.07016.48
5.4.00.0030.07015.83
5.3.290.0000.04014.80
5.3.280.0030.06314.55
5.3.270.0000.07314.72
5.3.260.0030.08014.60
5.3.250.0070.07014.67
5.3.240.0070.06314.61
5.3.230.0030.07314.67
5.3.220.0030.07714.63
5.3.210.0130.06714.69
5.3.200.0070.07314.63
5.3.190.0100.07014.63
5.3.180.0100.06714.70
5.3.170.0030.07714.50
5.3.160.0030.03714.67
5.3.150.0000.09014.66
5.3.140.0070.06714.68
5.3.130.0030.03314.67
5.3.120.0000.04314.54
5.3.110.0000.07314.62
5.3.100.0000.08014.10
5.3.90.0100.06714.14
5.3.80.0000.05314.05
5.3.70.0000.03714.05
5.3.60.0030.07314.02
5.3.50.0070.07313.88
5.3.40.0070.06714.06
5.3.30.0070.06014.04
5.3.20.0130.05013.67
5.3.10.0100.04713.64
5.3.00.0070.03013.74
5.2.170.0030.02711.01
5.2.160.0170.04311.23
5.2.150.0000.06011.20
5.2.140.0030.03011.23
5.2.130.0000.03010.99
5.2.120.0030.05011.09
5.2.110.0130.04711.11
5.2.100.0030.03011.16
5.2.90.0030.02711.09
5.2.80.0030.03011.01
5.2.70.0030.04011.09
5.2.60.0000.03311.11
5.2.50.0000.03310.97
5.2.40.0070.05711.02
5.2.30.0070.02310.97
5.2.20.0070.05710.97
5.2.10.0000.03010.97
5.2.00.0070.02310.97
5.1.60.0100.04010.97
5.1.50.0070.02010.97
5.1.40.0030.02310.97
5.1.30.0070.04710.97
5.1.20.0000.03310.97
5.1.10.0000.03710.97
5.1.00.0030.02010.97
5.0.50.0000.02010.97
5.0.40.0070.04010.97
5.0.30.0000.04710.97
5.0.20.0030.03310.97
5.0.10.0000.02010.97
5.0.00.0030.06310.97
4.4.90.0030.03310.97
4.4.80.0030.03310.97
4.4.70.0030.03310.97
4.4.60.0000.02010.97
4.4.50.0000.03310.97
4.4.40.0000.05710.97
4.4.30.0070.03010.97
4.4.20.0030.02010.97
4.4.10.0030.03310.97
4.4.00.0030.05010.97
4.3.110.0000.03010.97
4.3.100.0000.01310.97
4.3.90.0000.02010.97
4.3.80.0000.05710.97
4.3.70.0030.03010.97
4.3.60.0000.02710.97
4.3.50.0000.03710.97
4.3.40.0070.03710.97
4.3.30.0030.02010.97
4.3.20.0000.03310.97
4.3.10.0000.03310.97
4.3.00.0000.03010.97

preferences:
41.68 ms | 401 KiB | 5 Q