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<19;$i++,$j++){ printIt($arr); echo("\n"); if($i%2==0){ $tmp0=$arr[$i]; } $arr[$i]=$tmp0; if($i%2==1){ $tmp0=$arr[$i+1]; } $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)
8.3.40.0120.00318.74
8.3.30.0060.00919.21
8.3.20.0040.00420.14
8.3.10.0040.00421.96
8.3.00.0080.00022.34
8.2.170.0150.00022.96
8.2.160.0120.00320.96
8.2.150.0090.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.36
8.2.110.0030.00622.14
8.2.100.0080.00317.84
8.2.90.0000.00819.25
8.2.80.0040.00418.05
8.2.70.0000.01017.75
8.2.60.0090.00018.05
8.2.50.0030.00618.07
8.2.40.0030.00618.22
8.2.30.0000.00818.02
8.2.20.0040.00417.79
8.2.10.0040.00417.83
8.2.00.0030.00617.71
8.1.270.0050.00323.91
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0100.00023.70
8.1.230.0070.00419.14
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.35
8.1.190.0080.00017.40
8.1.180.0050.00518.10
8.1.170.0050.00318.66
8.1.160.0030.00522.09
8.1.150.0000.00718.66
8.1.140.0060.00317.43
8.1.130.0070.00017.77
8.1.120.0040.00417.49
8.1.110.0040.00417.44
8.1.100.0040.00417.52
8.1.90.0000.00817.48
8.1.80.0000.00717.41
8.1.70.0000.00717.48
8.1.60.0060.00317.63
8.1.50.0030.00617.55
8.1.40.0040.00417.46
8.1.30.0030.00617.52
8.1.20.0000.00817.69
8.1.10.0000.00917.60
8.1.00.0040.00417.50
8.0.300.0000.00918.77
8.0.290.0050.00317.18
8.0.280.0000.00718.46
8.0.270.0000.00717.33
8.0.260.0050.00316.92
8.0.250.0070.00017.09
8.0.240.0100.00017.10
8.0.230.0000.00716.92
8.0.220.0000.00717.03
8.0.210.0000.00716.86
8.0.200.0000.00617.03
8.0.190.0000.00817.07
8.0.180.0040.00717.02
8.0.170.0000.00816.95
8.0.160.0040.00416.94
8.0.150.0030.00616.82
8.0.140.0070.00016.98
8.0.130.0050.00313.34
8.0.120.0040.00416.80
8.0.110.0000.00716.95
8.0.100.0020.00516.85
8.0.90.0040.00416.87
8.0.80.0030.01216.96
8.0.70.0070.00016.99
8.0.60.0000.00716.76
8.0.50.0000.00716.93
8.0.30.0150.00917.02
8.0.20.0170.00317.40
8.0.10.0040.00417.13
8.0.00.0100.01116.76
7.4.330.0000.00615.05
7.4.320.0000.00616.45
7.4.300.0070.00016.42
7.4.290.0030.00316.53
7.4.280.0000.00816.66
7.4.270.0000.00816.46
7.4.260.0030.00616.61
7.4.250.0070.00016.59
7.4.240.0000.00716.62
7.4.230.0030.00316.38
7.4.220.0090.00916.65
7.4.210.0070.01016.52
7.4.200.0080.00016.62
7.4.190.0030.00316.67
7.4.160.0090.00616.55
7.4.150.0050.01517.40
7.4.140.0120.00917.86
7.4.130.0100.01316.65
7.4.120.0130.00716.61
7.4.110.0150.01216.46
7.4.100.0070.01116.46
7.4.90.0100.01016.43
7.4.80.0140.00619.39
7.4.70.0060.01516.58
7.4.60.0130.00316.39
7.4.50.0050.00016.63
7.4.40.0060.01222.77
7.4.30.0040.01216.44
7.4.00.0000.01815.18
7.3.330.0050.00013.36
7.3.320.0020.00213.43
7.3.310.0000.00716.49
7.3.300.0000.00716.45
7.3.290.0130.00316.47
7.3.280.0090.01016.45
7.3.270.0120.00617.40
7.3.260.0090.00916.38
7.3.250.0120.01016.46
7.3.240.0100.01016.49
7.3.230.0090.00916.42
7.3.210.0070.01016.40
7.3.200.0110.01119.39
7.3.190.0130.01016.65
7.3.180.0140.01016.39
7.3.170.0060.01216.52
7.3.160.0030.01516.67
7.3.120.0090.00014.95
7.2.330.0150.00716.63
7.2.320.0130.00716.59
7.2.310.0030.01516.75
7.2.300.0070.01116.82
7.2.290.0070.01116.80
7.2.00.0070.01019.57
7.1.100.0090.00318.13
7.1.70.0060.00917.21
7.1.60.0060.01919.82
7.1.50.0140.00716.99
7.1.00.0070.07322.49
7.0.200.0060.00316.84
7.0.140.0070.07022.00
7.0.60.0100.06719.98
7.0.50.0030.04717.88
7.0.40.0100.08020.27
7.0.30.0330.07320.13
7.0.20.0130.05320.06
7.0.10.0030.04720.22
7.0.00.0170.07720.19
5.6.280.0070.07021.00
5.6.210.0130.07720.75
5.6.200.0030.08718.14
5.6.190.0030.04320.33
5.6.180.3270.04020.64
5.6.170.0270.05320.44
5.6.160.0100.08320.50
5.6.150.0070.06718.18
5.6.140.0100.05718.20
5.6.130.0230.07318.27
5.6.120.0130.07321.12
5.6.110.0100.08021.12
5.6.100.0100.07720.99
5.6.90.0100.06320.99
5.6.80.0100.04720.38
5.6.70.3470.03320.44
5.5.350.0130.06320.42
5.5.340.0070.04318.14
5.5.330.0030.05320.24
5.5.320.0270.04320.36
5.5.310.0230.03320.34
5.5.300.0100.07718.04
5.5.290.0000.04717.98
5.5.280.0100.07720.88
5.5.270.0170.03720.88
5.5.260.0030.04020.73
5.5.250.0130.07320.59
5.5.240.0230.07320.24
5.4.450.1130.05319.64
5.4.440.0400.03719.46
5.4.430.0530.04019.30
5.4.420.0370.04319.32
5.4.410.0070.05718.98
5.4.400.0070.05318.73
5.4.390.0100.05318.75
5.4.380.0170.05718.77
5.4.370.0230.05718.80
5.4.360.0330.06318.80
5.4.350.0300.05018.59
5.4.340.0130.06018.50
5.4.320.0070.03612.51
5.4.310.0100.03912.50
5.4.300.0050.04712.51
5.4.290.0070.04112.51
5.4.280.0060.03812.40
5.4.270.0060.04012.37
5.4.260.0070.04112.37
5.4.250.0080.04312.36
5.4.240.0150.05412.37
5.4.230.0090.05312.36
5.4.220.0150.04912.36
5.4.210.0100.04912.36
5.4.200.0130.05412.36
5.4.190.0050.06012.36
5.4.180.0170.06912.35
5.4.170.0100.07312.37
5.4.160.0100.05012.37
5.4.150.0100.07012.36
5.4.140.0110.04712.05
5.4.130.0100.04812.04
5.4.120.0100.05311.99
5.4.110.0230.07511.99
5.4.100.0100.07711.98
5.4.90.0140.06111.98
5.4.80.0130.05311.98
5.4.70.0110.08011.98
5.4.60.0080.03511.98
5.4.50.0040.03911.98
5.4.40.0090.04211.96
5.4.30.0150.04311.96
5.4.20.0120.05511.96
5.4.10.0110.05311.96
5.4.00.0090.05311.45
5.3.290.0050.04812.80
5.3.280.0090.05512.71
5.3.270.0090.06812.72
5.3.260.0120.06912.72
5.3.250.0150.05812.72
5.3.240.0090.05012.72
5.3.230.0070.04712.70
5.3.220.0110.03912.68
5.3.210.0100.05312.68
5.3.200.0070.05512.68
5.3.190.0130.04512.68
5.3.180.0080.05212.68
5.3.170.0060.06612.67
5.3.160.0110.04912.67
5.3.150.0070.05612.68
5.3.140.0120.07012.66
5.3.130.0080.06012.66
5.3.120.0100.05712.65
5.3.110.0120.04312.66
5.3.100.0170.05512.12
5.3.90.0270.06912.08
5.3.80.0190.06612.07
5.3.70.0080.04312.07
5.3.60.0140.04312.06
5.3.50.0080.04412.00
5.3.40.0120.05112.00
5.3.30.0140.04711.97
5.3.20.0080.03811.74
5.3.10.0060.03911.71
5.3.00.0100.03511.69
5.2.170.0040.0369.20
5.2.160.0120.0479.20
5.2.150.0090.0459.20
5.2.140.0070.0399.20
5.2.130.0110.0389.16
5.2.120.0060.0429.15
5.2.110.0070.0409.16
5.2.100.0060.0319.17
5.2.90.0060.0319.16
5.2.80.0070.0309.15
5.2.70.0100.0299.15
5.2.60.0100.0299.10
5.2.50.0030.0359.07
5.2.40.0060.0319.04
5.2.30.0070.0319.03
5.2.20.0050.0329.01
5.2.10.0070.0298.93
5.2.00.0090.0278.78
5.1.60.0040.0268.06
5.1.50.0040.0268.07
5.1.40.0070.0238.06
5.1.30.0070.0248.39
5.1.20.0050.0278.43
5.1.10.0040.0278.15
5.1.00.0060.0268.14
5.0.50.0080.0226.63
5.0.40.0070.0196.49
5.0.30.0060.0336.30
5.0.20.0060.0206.28
5.0.10.0040.0236.25
5.0.00.0070.0316.24
4.4.90.0040.0194.78
4.4.80.0060.0154.75
4.4.70.0040.0174.76
4.4.60.0060.0144.75
4.4.50.0020.0184.77
4.4.40.0040.0264.71
4.4.30.0060.0154.76
4.4.20.0030.0174.85
4.4.10.0020.0194.85
4.4.00.0050.0314.76
4.3.110.0080.0174.67
4.3.100.0090.0394.66
4.3.90.0070.0284.63
4.3.80.0080.0314.59
4.3.70.0060.0194.63
4.3.60.0070.0614.62
4.3.50.0050.0224.63
4.3.40.0060.0304.54
4.3.30.0020.0183.30
4.3.20.0050.0173.29
4.3.10.0050.0153.25
4.3.00.0070.02015.05

preferences:
54.15 ms | 400 KiB | 5 Q