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; $tmp0=$arr[$i+1]; $i++; $arr[$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)
8.3.60.0150.00318.30
8.3.50.0140.00422.03
8.3.40.0100.01018.69
8.3.30.0070.00719.04
8.3.20.0070.00420.34
8.3.10.0040.00421.92
8.3.00.0040.00422.37
8.2.180.0130.00618.16
8.2.170.0140.00022.96
8.2.160.0000.01521.02
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00419.48
8.2.110.0120.00019.30
8.2.100.0040.00817.97
8.2.90.0040.00417.75
8.2.80.0000.00818.74
8.2.70.0050.00317.63
8.2.60.0060.00317.63
8.2.50.0000.00718.05
8.2.40.0060.00319.36
8.2.30.0000.00818.06
8.2.20.0000.00817.65
8.2.10.0040.00417.68
8.2.00.0040.00417.76
8.1.280.0070.01125.92
8.1.270.0090.00023.82
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0060.00319.13
8.1.230.0040.00720.84
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0050.00317.53
8.1.190.0050.00317.35
8.1.180.0030.00518.10
8.1.170.0040.00417.62
8.1.160.0030.00522.05
8.1.150.0040.00418.64
8.1.140.0050.00317.46
8.1.130.0040.00417.75
8.1.120.0000.00717.48
8.1.110.0000.00717.45
8.1.100.0040.00417.50
8.1.90.0040.00417.27
8.1.80.0070.00017.52
8.1.70.0030.00317.41
8.1.60.0000.00817.58
8.1.50.0020.00517.51
8.1.40.0000.00817.52
8.1.30.0000.00917.49
8.1.20.0000.00817.57
8.1.10.0060.00317.65
8.1.00.0000.00717.43
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0000.00718.46
8.0.270.0000.00717.26
8.0.260.0070.00016.82
8.0.250.0030.00316.98
8.0.240.0070.00316.93
8.0.230.0030.00317.00
8.0.220.0070.00016.88
8.0.210.0020.00516.81
8.0.200.0000.00616.96
8.0.190.0000.00716.89
8.0.180.0070.00316.91
8.0.170.0040.00416.89
8.0.160.0030.00516.97
8.0.150.0000.00816.86
8.0.140.0070.00016.87
8.0.130.0060.00313.39
8.0.120.0040.00416.82
8.0.110.0000.00716.82
8.0.100.0040.00416.88
8.0.90.0040.00416.82
8.0.80.0090.00616.87
8.0.70.0030.00516.68
8.0.60.0000.00716.88
8.0.50.0070.00016.73
8.0.30.0100.00916.89
8.0.20.0090.01017.40
8.0.10.0040.00417.07
8.0.00.0090.00816.91
7.4.330.0020.00215.07
7.4.320.0030.00316.43
7.4.300.0070.00016.61
7.4.290.0070.00016.62
7.4.280.0050.00216.53
7.4.270.0070.00016.46
7.4.260.0070.00016.51
7.4.250.0040.00416.47
7.4.240.0030.00416.59
7.4.230.0000.00716.45
7.4.220.0130.01316.51
7.4.210.0080.00616.48
7.4.200.0030.00316.43
7.4.190.0000.00816.68
7.4.160.0030.01216.50
7.4.150.0150.00417.40
7.4.140.0100.00817.86
7.4.130.0100.00816.53
7.4.120.0110.00916.56
7.4.110.0090.00916.50
7.4.100.0060.01216.48
7.4.90.0140.00416.46
7.4.80.0080.01019.39
7.4.70.0060.01116.27
7.4.60.0090.00616.53
7.4.50.0030.00616.37
7.4.40.0040.01422.77
7.4.30.0130.00316.69
7.4.00.0100.00715.12
7.3.330.0060.00013.34
7.3.320.0030.00313.36
7.3.310.0050.00316.32
7.3.300.0000.00716.32
7.3.290.0100.00316.49
7.3.280.0120.00516.41
7.3.270.0100.00717.40
7.3.260.0130.01016.72
7.3.250.0120.00916.51
7.3.240.0100.00716.33
7.3.230.0080.00816.42
7.3.210.0000.01716.54
7.3.200.0160.00319.39
7.3.190.0060.01416.66
7.3.180.0100.01016.44
7.3.170.0180.00316.28
7.3.160.0130.00316.54
7.3.120.0060.00914.56
7.3.110.0030.01014.47
7.3.100.0060.00615.11
7.3.90.0060.00614.89
7.3.80.0000.01314.75
7.3.70.0000.01514.80
7.3.60.0040.00814.95
7.3.50.0000.01214.57
7.3.40.0150.00014.90
7.3.30.0070.00414.47
7.3.20.0070.01016.62
7.3.10.0030.01216.80
7.3.00.0060.01016.58
7.2.330.0090.00916.61
7.2.320.0120.01116.79
7.2.310.0130.00316.55
7.2.300.0110.00516.81
7.2.290.0060.00916.69
7.2.240.0110.00415.30
7.2.230.0060.00914.99
7.2.220.0000.01414.89
7.2.210.0100.00614.83
7.2.200.0030.01214.94
7.2.190.0030.01414.83
7.2.180.0070.01014.84
7.2.170.0090.00915.05
7.2.160.0030.01414.74
7.2.150.0030.01016.83
7.2.140.0100.01016.87
7.2.130.0030.01016.86
7.2.120.0060.00916.86
7.2.110.0090.00916.86
7.2.100.0090.00316.73
7.2.90.0060.01116.89
7.2.80.0120.00016.96
7.2.70.0070.01016.86
7.2.60.0090.00916.84
7.2.50.0150.00017.11
7.2.40.0100.00716.99
7.2.30.0060.01017.12
7.2.20.0100.00316.91
7.2.10.0100.00316.66
7.2.00.0100.00318.17
7.1.330.0130.00015.74
7.1.320.0080.00315.95
7.1.310.0000.01415.57
7.1.300.0070.00715.51
7.1.290.0060.01215.74
7.1.280.0080.00815.75
7.1.270.0100.00315.58
7.1.260.0070.00715.83
7.1.250.0060.00315.92
7.1.100.0070.00718.24
7.1.70.0000.00917.07
7.1.60.0070.01719.82
7.1.50.0110.01116.92
7.1.00.0100.07022.35
7.0.200.0000.00716.68
7.0.140.0030.07322.09
7.0.60.0000.04319.86
7.0.50.0000.04317.86
7.0.40.0030.06719.96
7.0.30.0270.07320.16
7.0.20.0230.04020.07
7.0.10.0030.06720.09
7.0.00.0030.05720.44
5.6.280.0000.07721.11
5.6.210.0170.06720.61
5.6.200.0100.04718.22
5.6.190.0170.08020.57
5.6.180.0370.07320.61
5.6.170.0230.08020.44
5.6.160.0030.06020.48
5.6.150.0070.05018.19
5.6.140.0130.04018.27
5.6.130.0030.07018.12
5.6.120.0070.04020.90
5.6.110.0170.07721.09
5.6.100.0130.08021.14
5.6.90.0130.08020.96
5.6.80.0170.02720.49
5.5.350.2430.02720.47
5.5.340.0030.05318.01
5.5.330.0100.06020.13
5.5.320.0270.06720.28
5.5.310.0170.09020.34
5.5.300.0030.04717.96
5.5.290.0070.08018.07
5.5.280.0070.08320.69
5.5.270.0070.06020.88
5.5.260.0130.06720.67
5.5.250.0100.04320.69
5.5.240.0070.07020.05
5.4.450.0470.05719.20
5.4.440.0400.04019.32
5.4.430.0170.05319.56
5.4.420.0670.04019.40
5.4.410.0100.05019.05
5.4.400.0170.06018.67
5.4.390.0130.05318.84
5.4.380.0070.06018.63
5.4.370.0270.05018.62
5.4.360.0230.05318.77
5.4.350.0130.06318.59
5.4.340.0570.06318.59
5.4.320.0080.04012.50
5.4.310.0060.03812.50
5.4.300.0060.03712.50
5.4.290.0080.03612.50
5.4.280.0110.03512.40
5.4.270.0040.03812.36
5.4.260.0070.03612.36
5.4.250.0090.03412.36
5.4.240.0050.03712.36
5.4.230.0080.03612.36
5.4.220.0070.03612.36
5.4.210.0070.03512.35
5.4.200.0030.04012.36
5.4.190.0070.03512.35
5.4.180.0070.03512.35
5.4.170.0050.03612.37
5.4.160.0070.03512.36
5.4.150.0060.03612.36
5.4.140.0120.03212.04
5.4.130.0070.03412.02
5.4.120.0040.03711.98
5.4.110.0050.03611.98
5.4.100.0070.03411.98
5.4.90.0040.03811.98
5.4.80.0070.03511.98
5.4.70.0080.03211.98
5.4.60.0060.03511.98
5.4.50.0050.03511.98
5.4.40.0050.03611.96
5.4.30.0090.03611.96
5.4.20.0060.03811.96
5.4.10.0060.03411.96
5.4.00.0080.04211.44
5.3.290.0080.04012.80
5.3.280.0050.03912.71
5.3.270.0090.03612.72
5.3.260.0050.03912.72
5.3.250.0030.03912.72
5.3.240.0080.03512.72
5.3.230.0050.03812.71
5.3.220.0060.03712.68
5.3.210.0050.04012.68
5.3.200.0060.03712.68
5.3.190.0070.03812.68
5.3.180.0060.03712.68
5.3.170.0070.03612.67
5.3.160.0100.03212.67
5.3.150.0030.04012.67
5.3.140.0060.03612.66
5.3.130.0070.03712.66
5.3.120.0090.03712.66
5.3.110.0070.03912.66
5.3.100.0030.04012.12
5.3.90.0020.04012.08
5.3.80.0080.03412.08
5.3.70.0100.03212.07
5.3.60.0080.03412.07
5.3.50.0060.03612.00
5.3.40.0080.03412.00
5.3.30.0050.03611.96
5.3.20.0060.03711.73
5.3.10.0040.03711.70
5.3.00.0050.04311.68
5.2.170.0090.0279.18
5.2.160.0050.0299.19
5.2.150.0070.0299.19
5.2.140.0070.0299.18
5.2.130.0050.0299.14
5.2.120.0090.0249.14
5.2.110.0040.0349.14
5.2.100.0060.0279.15
5.2.90.0040.0299.15
5.2.80.0040.0319.14
5.2.70.0030.0329.14
5.2.60.0070.0299.09
5.2.50.0030.0319.07
5.2.40.0070.0289.04
5.2.30.0080.0279.01
5.2.20.0050.0289.01
5.2.10.0050.0288.91
5.2.00.0050.0298.77
5.1.60.0040.0248.06
5.1.50.0050.0288.06
5.1.40.0030.0268.04
5.1.30.0020.0288.39
5.1.20.0040.0288.42
5.1.10.0060.0258.14
5.1.00.0080.0248.14
5.0.50.0050.0226.63
5.0.40.0030.0196.49
5.0.30.0020.0336.30
5.0.20.0050.0186.27
5.0.10.0040.0206.25
5.0.00.0060.0336.24
4.4.90.0040.0194.78
4.4.80.0100.0094.75
4.4.70.0060.0144.76
4.4.60.0030.0184.75
4.4.50.0020.0214.77
4.4.40.0010.0274.71
4.4.30.0020.0164.76
4.4.20.0040.0154.84
4.4.10.0040.0144.85
4.4.00.0030.0254.76
4.3.110.0030.0174.67
4.3.100.0010.0204.66
4.3.90.0030.0144.63
4.3.80.0030.0284.59
4.3.70.0050.0134.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0050.0304.54
4.3.30.0030.0153.30
4.3.20.0040.0153.29
4.3.10.0030.0203.25
4.3.00.0070.01715.05

preferences:
46.83 ms | 401 KiB | 5 Q