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 = $arr[0]; for($i=0,$j=$n;$i<$n-1;$i++,$j++){ $tmp1=$arr[$j]; printIt($arr); echo("\n"); $arr[$i]=$tmp0; $tmp0=$arr[$i+1]; $arr[$i]=$tmp1; } printIt($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)
8.3.70.0090.00616.50
8.3.60.0150.00718.43
8.3.50.0080.00922.04
8.3.40.0160.00018.92
8.3.30.0070.00719.04
8.3.20.0080.00020.33
8.3.10.0000.00821.97
8.3.00.0040.00422.29
8.2.190.0150.00416.58
8.2.180.0100.01016.50
8.2.170.0160.00622.96
8.2.160.0090.00921.07
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0080.00019.36
8.2.110.0070.00320.36
8.2.100.0030.00917.97
8.2.90.0030.00618.14
8.2.80.0040.00418.05
8.2.70.0030.00817.63
8.2.60.0040.00417.93
8.2.50.0100.00018.07
8.2.40.0050.00318.16
8.2.30.0000.00818.00
8.2.20.0040.00417.72
8.2.10.0050.00317.79
8.2.00.0090.00017.67
8.1.280.0070.01125.92
8.1.270.0050.00323.92
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0030.00622.04
8.1.230.0120.00020.91
8.1.220.0040.00417.78
8.1.210.0030.00618.97
8.1.200.0080.00817.21
8.1.190.0080.00017.41
8.1.180.0040.00418.10
8.1.170.0050.00318.65
8.1.160.0040.00422.02
8.1.150.0050.00218.64
8.1.140.0040.00417.45
8.1.130.0070.00017.79
8.1.120.0040.00417.43
8.1.110.0050.00317.40
8.1.100.0000.00817.35
8.1.90.0080.00017.43
8.1.80.0040.00417.34
8.1.70.0050.00217.44
8.1.60.0060.00317.57
8.1.50.0040.00417.54
8.1.40.0080.00017.54
8.1.30.0030.00617.67
8.1.20.0000.00917.66
8.1.10.0000.00817.56
8.1.00.0040.00417.47
8.0.300.0060.00320.10
8.0.290.0070.00017.16
8.0.280.0000.00718.44
8.0.270.0000.00717.36
8.0.260.0000.00716.86
8.0.250.0030.00316.91
8.0.240.0050.00516.95
8.0.230.0000.00816.90
8.0.220.0080.00016.80
8.0.210.0000.00716.91
8.0.200.0060.00016.81
8.0.190.0040.00417.00
8.0.180.0030.00716.81
8.0.170.0030.00616.87
8.0.160.0040.00416.82
8.0.150.0060.00316.76
8.0.140.0040.00416.74
8.0.130.0050.00313.28
8.0.120.0000.00916.81
8.0.110.0000.00816.75
8.0.100.0000.00816.68
8.0.90.0040.00416.85
8.0.80.0040.01116.88
8.0.70.0000.00816.94
8.0.60.0070.00016.69
8.0.50.0000.00816.78
8.0.30.0100.01017.08
8.0.20.0130.00617.40
8.0.10.0030.00516.84
8.0.00.0100.00916.87
7.4.330.0000.00515.01
7.4.320.0060.00016.56
7.4.300.0060.00016.41
7.4.290.0030.00316.59
7.4.280.0000.00816.41
7.4.270.0080.00016.65
7.4.260.0070.00316.56
7.4.250.0080.00016.58
7.4.240.0040.00316.56
7.4.230.0000.00716.67
7.4.220.0120.01716.64
7.4.210.0050.01116.57
7.4.200.0040.00416.49
7.4.190.0050.00216.64
7.4.160.0140.00316.34
7.4.150.0130.01017.40
7.4.140.0180.00717.86
7.4.130.0130.00816.49
7.4.120.0120.01016.42
7.4.110.0130.00616.47
7.4.100.0090.00916.55
7.4.90.0060.01516.43
7.4.80.0120.01819.39
7.4.70.0110.00716.53
7.4.60.0140.00916.52
7.4.50.0040.00416.53
7.4.40.0070.00722.77
7.4.30.0080.00816.57
7.4.00.0100.00614.82
7.3.330.0050.00013.29
7.3.320.0000.00613.32
7.3.310.0000.00716.37
7.3.300.0050.00316.25
7.3.290.0030.01016.32
7.3.280.0120.00716.38
7.3.270.0160.01017.40
7.3.260.0170.01416.27
7.3.250.0130.01116.41
7.3.240.0080.01116.43
7.3.230.0090.00916.39
7.3.210.0070.01716.31
7.3.200.0200.00319.39
7.3.190.0120.01216.51
7.3.180.0110.00816.38
7.3.170.0130.00316.48
7.3.160.0100.00716.38
7.3.120.0040.01214.93
7.2.330.0080.01116.79
7.2.320.0090.01016.79
7.2.310.0090.00916.83
7.2.300.0130.00616.61
7.2.290.0090.00916.54
7.2.00.0100.00319.63
7.1.100.0060.00618.14
7.1.70.0000.00917.24
7.1.60.0140.01019.82
7.1.50.0070.01517.07
7.1.00.0030.07322.33
7.0.200.0030.00516.84
7.0.140.0000.07721.95
7.0.60.0100.08019.99
7.0.50.0070.08717.89
7.0.40.0030.04720.21
7.0.30.0330.04320.09
7.0.20.0370.07020.23
7.0.10.0130.06320.06
7.0.00.0130.05320.33
5.6.280.0030.07721.12
5.6.210.0170.07720.55
5.6.200.0070.05318.29
5.6.190.0100.05720.61
5.6.180.3400.05320.45
5.6.170.0200.05020.51
5.6.160.0000.05020.63
5.6.150.0030.07018.16
5.6.140.0000.04318.27
5.6.130.0130.08318.16
5.6.120.0100.08321.04
5.6.110.0070.03720.97
5.6.100.0030.07721.04
5.6.90.0130.07721.13
5.6.80.0070.07020.38
5.6.70.4170.03720.52
5.5.350.0070.08020.30
5.5.340.0100.07717.98
5.5.330.0130.03720.13
5.5.320.0200.04020.32
5.5.310.0200.03320.23
5.5.300.0000.04718.00
5.5.290.0000.05318.03
5.5.280.0100.07720.81
5.5.270.0100.08320.68
5.5.260.0070.05020.90
5.5.250.0070.08020.55
5.5.240.0170.04720.07
5.4.450.0470.03719.41
5.4.440.0370.04319.20
5.4.430.0500.03019.52
5.4.420.0600.04319.16
5.4.410.0130.04719.03
5.4.400.0030.06018.64
5.4.390.0170.04718.84
5.4.380.0270.06018.70
5.4.370.0330.04318.46
5.4.360.0230.05718.56
5.4.350.0200.05018.76
5.4.340.0100.06018.84
5.4.320.0080.04012.50
5.4.310.0090.04812.50
5.4.300.0100.03612.51
5.4.290.0040.04712.50
5.4.280.0080.03612.40
5.4.270.0040.04112.36
5.4.260.0040.03912.36
5.4.250.0080.03612.36
5.4.240.0060.04012.36
5.4.230.0060.03912.36
5.4.220.0100.03212.36
5.4.210.0080.03412.36
5.4.200.0040.03912.36
5.4.190.0100.04012.35
5.4.180.0070.03512.35
5.4.170.0050.03712.36
5.4.160.0070.03612.36
5.4.150.0050.03712.36
5.4.140.0030.04012.04
5.4.130.0050.03712.03
5.4.120.0070.03611.98
5.4.110.0060.03611.98
5.4.100.0030.04311.98
5.4.90.0080.03911.98
5.4.80.0050.03911.98
5.4.70.0030.03711.98
5.4.60.0070.03411.98
5.4.50.0050.03711.97
5.4.40.0040.03811.96
5.4.30.0090.03411.96
5.4.20.0090.03611.96
5.4.10.0090.03711.96
5.4.00.0060.03811.45
5.3.290.0100.03712.80
5.3.280.0060.04212.71
5.3.270.0060.04012.72
5.3.260.0050.04212.72
5.3.250.0070.03712.72
5.3.240.0070.03712.72
5.3.230.0060.03912.71
5.3.220.0060.03912.68
5.3.210.0030.04312.68
5.3.200.0080.03612.68
5.3.190.0070.03712.68
5.3.180.0070.04312.67
5.3.170.0060.03712.66
5.3.160.0030.04012.67
5.3.150.0080.03612.67
5.3.140.0080.03612.66
5.3.130.0070.03912.66
5.3.120.0060.04112.66
5.3.110.0030.04312.66
5.3.100.0090.04212.12
5.3.90.0100.03712.09
5.3.80.0050.03812.07
5.3.70.0100.03512.08
5.3.60.0070.03812.06
5.3.50.0110.03312.00
5.3.40.0050.03912.00
5.3.30.0110.04611.96
5.3.20.0060.03811.73
5.3.10.0070.03411.70
5.3.00.0020.04011.68
5.2.170.0040.0359.18
5.2.160.0070.0299.18
5.2.150.0060.0309.19
5.2.140.0050.0309.18
5.2.130.0050.0299.14
5.2.120.0040.0299.14
5.2.110.0060.0289.15
5.2.100.0040.0299.15
5.2.90.0060.0289.14
5.2.80.0110.0399.14
5.2.70.0040.0349.13
5.2.60.0050.0309.09
5.2.50.0050.0309.06
5.2.40.0040.0299.04
5.2.30.0080.0269.01
5.2.20.0040.0299.01
5.2.10.0050.0288.93
5.2.00.0020.0328.77
5.1.60.0060.0238.06
5.1.50.0040.0258.06
5.1.40.0020.0278.05
5.1.30.0050.0258.39
5.1.20.0060.0268.42
5.1.10.0040.0278.14
5.1.00.0050.0268.14
5.0.50.0080.0176.62
5.0.40.0060.0176.49
5.0.30.0040.0326.30
5.0.20.0050.0216.27
5.0.10.0070.0186.25
5.0.00.0060.0336.24
4.4.90.0040.0164.78
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0050.0164.77
4.4.40.0020.0274.71
4.4.30.0030.0184.76
4.4.20.0030.0164.84
4.4.10.0030.0164.85
4.4.00.0030.0254.75
4.3.110.0050.0144.67
4.3.100.0010.0174.66
4.3.90.0020.0154.64
4.3.80.0040.0244.59
4.3.70.0010.0174.63
4.3.60.0040.0134.63
4.3.50.0000.0184.63
4.3.40.0040.0234.54
4.3.30.0030.0183.31
4.3.20.0030.0223.29
4.3.10.0030.0153.25
4.3.00.0100.01315.05

preferences:
40.38 ms | 401 KiB | 5 Q