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)-2;$i+=2,$j++){ $arr[$i]=$tmp0; $tmp0 = $arr[$i+1]; echo(" tmp0: ".$tmp0); $arr[$i+1]=$tmp1; $tmp1 = $arr[$j+1]; echo(" tmp1: ".$tmp1); } echo("\n"); for($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)
8.3.70.0070.01116.63
8.3.60.0170.00318.43
8.3.50.0210.01022.16
8.3.40.0150.00018.52
8.3.30.0140.00319.04
8.3.20.0000.00820.16
8.3.10.0080.00022.10
8.3.00.0050.00322.51
8.2.180.0120.00316.38
8.2.170.0120.00622.96
8.2.160.0070.00720.89
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0080.00019.36
8.2.110.0060.00321.97
8.2.100.0110.00017.72
8.2.90.0080.00019.22
8.2.80.0030.00518.05
8.2.70.0050.00317.63
8.2.60.0070.00318.05
8.2.50.0040.00418.07
8.2.40.0050.00218.28
8.2.30.0070.00018.15
8.2.20.0060.00317.80
8.2.10.0000.00817.65
8.2.00.0040.00417.78
8.1.280.0090.00625.92
8.1.270.0000.00823.71
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0090.00023.91
8.1.230.0090.00319.16
8.1.220.0000.00817.91
8.1.210.0060.00318.77
8.1.200.0080.00317.35
8.1.190.0040.00417.65
8.1.180.0080.00018.10
8.1.170.0040.00418.65
8.1.160.0050.00222.11
8.1.150.0070.00018.65
8.1.140.0040.00417.52
8.1.130.0000.00717.89
8.1.120.0040.00417.48
8.1.110.0070.00017.38
8.1.100.0000.00917.35
8.1.90.0040.00417.47
8.1.80.0050.00317.50
8.1.70.0070.00017.48
8.1.60.0000.00817.59
8.1.50.0080.00017.44
8.1.40.0040.00417.49
8.1.30.0040.00417.71
8.1.20.0050.00317.73
8.1.10.0000.00717.50
8.1.00.0000.00717.45
8.0.300.0070.00018.77
8.0.290.0040.00417.18
8.0.280.0070.00018.52
8.0.270.0070.00017.34
8.0.260.0070.00016.90
8.0.250.0030.00316.89
8.0.240.0070.00016.87
8.0.230.0030.00316.93
8.0.220.0030.00316.96
8.0.210.0070.00016.96
8.0.200.0000.00816.86
8.0.190.0040.00417.06
8.0.180.0040.00716.96
8.0.170.0050.00316.85
8.0.160.0050.00216.95
8.0.150.0040.00416.85
8.0.140.0040.00416.90
8.0.130.0000.00713.34
8.0.120.0000.00816.95
8.0.110.0040.00416.96
8.0.100.0040.00416.89
8.0.90.0040.00416.87
8.0.80.0050.00916.94
8.0.70.0030.00516.77
8.0.60.0040.00416.83
8.0.50.0000.00716.79
8.0.30.0100.00917.17
8.0.20.0090.01017.40
8.0.10.0050.00216.87
8.0.00.0110.00616.78
7.4.330.0050.00015.12
7.4.320.0040.00416.45
7.4.300.0040.00416.66
7.4.290.0030.00316.52
7.4.280.0070.00016.57
7.4.270.0030.00316.52
7.4.260.0000.00716.66
7.4.250.0000.00816.57
7.4.240.0000.00816.54
7.4.230.0070.00016.52
7.4.220.0100.00716.56
7.4.210.0100.00516.51
7.4.200.0040.00416.43
7.4.190.0000.00716.69
7.4.160.0110.00716.47
7.4.150.0060.01217.40
7.4.140.0100.01017.86
7.4.130.0160.00616.59
7.4.120.0080.00916.55
7.4.110.0100.00716.50
7.4.100.0140.00716.61
7.4.90.0180.00616.50
7.4.80.0110.01119.39
7.4.70.0120.00616.59
7.4.60.0000.01516.43
7.4.50.0100.00016.56
7.4.40.0140.00422.77
7.4.30.0030.01716.59
7.4.00.0000.01414.77
7.3.330.0030.00313.29
7.3.320.0030.00313.09
7.3.310.0030.00316.38
7.3.300.0030.00316.35
7.3.290.0090.00616.46
7.3.280.0040.01316.35
7.3.270.0100.00717.40
7.3.260.0170.00016.61
7.3.250.0090.01316.41
7.3.240.0060.01216.39
7.3.230.0060.01116.53
7.3.210.0060.01216.29
7.3.200.0140.00319.39
7.3.190.0140.00616.46
7.3.180.0090.00616.45
7.3.170.0070.01016.33
7.3.160.0060.01016.47
7.3.120.0070.00714.74
7.3.10.0110.00416.71
7.3.00.0070.01016.81
7.2.330.0040.01516.58
7.2.320.0110.00716.59
7.2.310.0110.00716.53
7.2.300.0090.01116.45
7.2.290.0100.00716.81
7.2.130.0080.00417.17
7.2.120.0070.00716.76
7.2.110.0180.00716.77
7.2.100.0120.00316.87
7.2.90.0070.00717.16
7.2.80.0060.00917.07
7.2.70.0110.00016.89
7.2.60.0070.00716.86
7.2.50.0060.00616.71
7.2.40.0120.00316.74
7.2.30.0030.01116.77
7.2.20.0060.00616.99
7.2.10.0120.00317.04
7.2.00.0080.00518.17
7.1.250.0030.01315.71
7.1.200.0070.00315.84
7.1.100.0060.00618.37
7.1.70.0060.00617.19
7.1.60.0100.01319.82
7.1.50.0100.01317.05
7.1.00.0000.08022.44
7.0.200.0040.00416.67
7.0.140.0030.07022.00
7.0.60.0130.07019.87
7.0.50.0100.07017.89
7.0.40.0070.07319.96
7.0.30.0070.05020.33
7.0.20.0270.06320.02
7.0.10.0030.04320.12
7.0.00.0030.06720.29
5.6.280.0030.07321.14
5.6.210.0070.07020.55
5.6.200.0070.08718.08
5.6.190.0100.08320.77
5.6.180.3830.04720.64
5.6.170.0200.04320.47
5.6.160.0030.07020.43
5.6.150.0070.04318.21
5.6.140.0030.07718.20
5.6.130.0070.07318.17
5.6.120.0100.08721.14
5.6.110.0100.08321.06
5.6.100.0170.07721.11
5.6.90.0130.07020.96
5.6.80.0100.07320.40
5.6.70.4570.04020.37
5.5.350.0070.04320.32
5.5.340.0070.08017.95
5.5.330.0030.04320.21
5.5.320.0270.07320.32
5.5.310.0130.05320.21
5.5.300.0000.04317.97
5.5.290.0070.04017.95
5.5.280.0030.08720.97
5.5.270.0130.07720.73
5.5.260.0130.06720.89
5.5.250.0000.06020.75
5.5.240.0170.05020.19
5.4.450.0270.03019.39
5.4.440.0600.05019.45
5.4.430.0500.03719.10
5.4.420.0700.03019.45
5.4.410.0100.06018.96
5.4.400.0170.06018.71
5.4.390.0070.06718.59
5.4.380.0230.04318.74
5.4.370.0100.06018.71
5.4.360.0200.04718.72
5.4.350.0230.04718.53
5.4.340.0200.05018.68
5.4.320.0080.04412.46
5.4.310.0030.04012.46
5.4.300.0040.03912.46
5.4.290.0110.04312.46
5.4.280.0110.04112.36
5.4.270.0060.03712.33
5.4.260.0070.03812.33
5.4.250.0050.03912.32
5.4.240.0090.03412.33
5.4.230.0070.03712.32
5.4.220.0040.04012.32
5.4.210.0050.03812.32
5.4.200.0070.03812.32
5.4.190.0060.04112.32
5.4.180.0040.04012.31
5.4.170.0050.03812.33
5.4.160.0040.03812.32
5.4.150.0050.03712.32
5.4.140.0090.03512.00
5.4.130.0030.04311.99
5.4.120.0050.03611.95
5.4.110.0050.03611.94
5.4.100.0070.03411.94
5.4.90.0070.03611.94
5.4.80.0040.04011.94
5.4.70.0060.03511.94
5.4.60.0090.03211.93
5.4.50.0050.03611.94
5.4.40.0040.03611.93
5.4.30.0040.03711.93
5.4.20.0060.03611.92
5.4.10.0090.03411.92
5.4.00.0080.03511.41
5.3.290.0070.04012.80
5.3.280.0040.04012.71
5.3.270.0080.03912.72
5.3.260.0040.04112.72
5.3.250.0050.03712.72
5.3.240.0050.03712.72
5.3.230.0080.03512.71
5.3.220.0070.03612.68
5.3.210.0080.04312.68
5.3.200.0030.04012.68
5.3.190.0040.03912.68
5.3.180.0040.04112.67
5.3.170.0060.04212.67
5.3.160.0080.04912.67
5.3.150.0110.04912.68
5.3.140.0180.05312.66
5.3.130.0090.05212.65
5.3.120.0060.04912.66
5.3.110.0100.03612.66
5.3.100.0060.03912.12
5.3.90.0040.04012.08
5.3.80.0110.03112.07
5.3.70.0030.04012.08
5.3.60.0080.03612.06
5.3.50.0080.03412.00
5.3.40.0050.03812.00
5.3.30.0060.03511.94
5.3.20.0060.03411.71
5.3.10.0040.03611.67
5.3.00.0070.03411.66
5.2.170.0050.0309.16
5.2.160.0060.0279.16
5.2.150.0070.0299.16
5.2.140.0070.0289.16
5.2.130.0050.0299.12
5.2.120.0040.0299.12
5.2.110.0050.0309.12
5.2.100.0090.0259.12
5.2.90.0020.0329.12
5.2.80.0040.0329.12
5.2.70.0070.0299.11
5.2.60.0050.0319.07
5.2.50.0030.0329.04
5.2.40.0050.0289.02
5.2.30.0050.0298.99
5.2.20.0030.0308.98
5.2.10.0110.0288.92
5.2.00.0070.0368.78
5.1.60.0020.0278.06
5.1.50.0040.0258.06
5.1.40.0020.0278.05
5.1.30.0050.0268.39
5.1.20.0020.0348.42
5.1.10.0050.0268.14
5.1.00.0060.0258.14
5.0.50.0040.0206.62
5.0.40.0060.0176.48
5.0.30.0040.0316.30
5.0.20.0030.0196.27
5.0.10.0010.0226.24
5.0.00.0040.0306.23
4.4.90.0020.0164.78
4.4.80.0030.0154.76
4.4.70.0000.0184.76
4.4.60.0040.0174.75
4.4.50.0020.0164.77
4.4.40.0020.0284.70
4.4.30.0050.0144.76
4.4.20.0040.0224.84
4.4.10.0040.0204.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0020.0164.66
4.3.90.0030.0144.64
4.3.80.0030.0284.59
4.3.70.0070.0174.63
4.3.60.0030.0154.63
4.3.50.0020.0194.63
4.3.40.0040.0234.54
4.3.30.0010.0183.30
4.3.20.0030.0173.28
4.3.10.0010.0173.24
4.3.00.0000.01715.05

preferences:
39.26 ms | 401 KiB | 5 Q