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++){ $arr[$i]=$tmp0; $i++; $tmp0=$arr[$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)
8.3.40.0100.01018.58
8.3.30.0110.00419.21
8.3.20.0050.00320.21
8.3.10.0030.00521.79
8.3.00.0050.00322.34
8.2.170.0070.00722.96
8.2.160.0080.00821.07
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00017.88
8.2.110.0090.00022.09
8.2.100.0060.00617.78
8.2.90.0080.00019.00
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0030.00618.04
8.2.50.0060.00318.07
8.2.40.0070.00018.22
8.2.30.0080.00018.02
8.2.20.0000.00817.86
8.2.10.0000.00817.90
8.2.00.0050.00317.71
8.1.270.0030.00523.82
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00523.79
8.1.230.0110.00019.10
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0090.00017.48
8.1.190.0020.00517.52
8.1.180.0040.00418.10
8.1.170.0060.00318.64
8.1.160.0070.00022.02
8.1.150.0070.00018.53
8.1.140.0060.00317.46
8.1.130.0000.00817.95
8.1.120.0040.00417.47
8.1.110.0000.00717.50
8.1.100.0000.00817.35
8.1.90.0080.00017.50
8.1.80.0070.00017.35
8.1.70.0070.00017.47
8.1.60.0040.00417.49
8.1.50.0050.00317.42
8.1.40.0050.00317.48
8.1.30.0060.00317.58
8.1.20.0030.00517.51
8.1.10.0030.00617.45
8.1.00.0000.00817.57
8.0.300.0070.00018.77
8.0.290.0030.00317.05
8.0.280.0000.00818.41
8.0.270.0050.00317.19
8.0.260.0000.00716.82
8.0.250.0000.00716.94
8.0.240.0000.00817.04
8.0.230.0000.00616.95
8.0.220.0000.00816.83
8.0.210.0030.00317.02
8.0.200.0030.00316.99
8.0.190.0070.00016.96
8.0.180.0040.00716.97
8.0.170.0030.00516.99
8.0.160.0050.00217.05
8.0.150.0000.01016.85
8.0.140.0070.00016.89
8.0.130.0030.00313.38
8.0.120.0040.00416.84
8.0.110.0020.00516.87
8.0.100.0000.00816.92
8.0.90.0020.00516.77
8.0.80.0070.00716.92
8.0.70.0040.00416.79
8.0.60.0000.00816.80
8.0.50.0040.00417.00
8.0.30.0050.01317.00
8.0.20.0080.01117.40
8.0.10.0040.00416.98
8.0.00.0090.01016.68
7.4.330.0000.00615.15
7.4.320.0030.00316.43
7.4.300.0030.00316.55
7.4.290.0030.00316.43
7.4.280.0030.00316.40
7.4.270.0070.00016.41
7.4.260.0000.00716.60
7.4.250.0070.00016.49
7.4.240.0030.00416.52
7.4.230.0000.00716.35
7.4.220.0060.01216.45
7.4.210.0080.00616.61
7.4.200.0050.00216.66
7.4.190.0050.00216.46
7.4.160.0040.01216.62
7.4.150.0130.00317.40
7.4.140.0100.00717.86
7.4.130.0100.00716.57
7.4.120.0130.00316.44
7.4.110.0120.00916.59
7.4.100.0070.01016.49
7.4.90.0120.00616.55
7.4.80.0060.01119.39
7.4.70.0030.01316.54
7.4.60.0110.00516.51
7.4.50.0080.00016.36
7.4.40.0070.01122.77
7.4.30.0050.01016.53
7.4.10.0060.01215.23
7.4.00.0080.01114.76
7.3.330.0030.00313.29
7.3.320.0000.00613.45
7.3.310.0000.00816.30
7.3.300.0000.00616.30
7.3.290.0030.01116.43
7.3.280.0110.00816.40
7.3.270.0080.00917.40
7.3.260.0070.01816.65
7.3.250.0070.01116.56
7.3.240.0090.01416.57
7.3.230.0070.01016.47
7.3.210.0070.01016.39
7.3.200.0090.00919.39
7.3.190.0090.00916.61
7.3.180.0090.00916.39
7.3.170.0120.00916.49
7.3.160.0060.01016.49
7.3.130.0100.00715.12
7.3.120.0080.00914.96
7.3.110.0080.00814.97
7.3.100.0070.00714.94
7.3.90.0110.00214.80
7.3.80.0080.00414.76
7.3.70.0040.00614.86
7.3.60.0100.00714.85
7.3.50.0050.00714.67
7.3.40.0060.00914.91
7.3.30.0030.00814.86
7.3.20.0100.00516.70
7.3.10.0030.01016.68
7.3.00.0080.00516.55
7.2.330.0100.00716.66
7.2.320.0200.00316.63
7.2.310.0110.00616.59
7.2.300.0100.00716.64
7.2.290.0090.01216.81
7.2.260.0040.01515.37
7.2.250.0080.01015.15
7.2.240.0070.00814.88
7.2.230.0060.00715.18
7.2.220.0050.00714.94
7.2.210.0060.00615.12
7.2.200.0080.00515.17
7.2.190.0080.00815.12
7.2.180.0070.00715.17
7.2.170.0100.00514.99
7.2.160.0060.00714.93
7.2.150.0100.00516.94
7.2.140.0040.00816.99
7.2.130.0030.01216.95
7.2.120.0070.00916.98
7.2.110.0030.00817.04
7.2.100.0070.00916.76
7.2.90.0060.00716.67
7.2.80.0060.00816.80
7.2.70.0070.00717.05
7.2.60.0030.01317.02
7.2.50.0030.01017.01
7.2.40.0120.00217.04
7.2.30.0060.01116.94
7.2.20.0050.01216.83
7.2.10.0050.00916.79
7.2.00.0030.01117.75
7.1.330.0050.00815.91
7.1.320.0040.01115.81
7.1.310.0040.00815.86
7.1.300.0040.01215.73
7.1.290.0050.00815.72
7.1.280.0060.00715.58
7.1.270.0070.00615.80
7.1.260.0080.00615.85
7.1.250.0020.00815.73
7.1.240.0000.01115.83
7.1.230.0030.01015.86
7.1.220.0030.00715.61
7.1.210.0030.00716.01
7.1.200.0030.01315.98
7.1.190.0080.00415.57
7.1.180.0100.00015.98
7.1.170.0030.00715.80
7.1.160.0110.00415.93
7.1.150.0080.00315.75
7.1.140.0000.01115.71
7.1.130.0050.00615.98
7.1.120.0130.00015.71
7.1.110.0110.00015.97
7.1.100.0070.00516.81
7.1.90.0060.00315.83
7.1.80.0000.01315.96
7.1.70.0030.00716.50
7.1.60.0060.01017.81
7.1.50.0050.01116.41
7.1.40.0100.00715.65
7.1.30.0030.01015.78
7.1.20.0110.00415.77
7.1.10.0070.00715.52
7.1.00.0100.03819.12
7.0.330.0100.00315.29
7.0.320.0040.00815.61
7.0.310.0070.00715.64
7.0.300.0040.00815.49
7.0.290.0000.01415.35
7.0.280.0030.00615.49
7.0.270.0070.00315.40
7.0.260.0120.00315.38
7.0.250.0060.00615.48
7.0.240.0000.01215.26
7.0.230.0030.01015.41
7.0.220.0060.00815.11
7.0.210.0000.01315.36
7.0.200.0060.00316.12
7.0.190.0080.00615.54
7.0.180.0110.00415.42
7.0.170.0030.01015.53
7.0.160.0060.01015.53
7.0.150.0080.00415.26
7.0.140.0030.04018.79
7.0.130.0000.01315.37
7.0.120.0080.00615.59
7.0.110.0040.00415.33
7.0.100.0100.03917.72
7.0.90.0050.02417.74
7.0.80.0080.04517.53
7.0.70.0100.03717.71
7.0.60.0070.04717.70
7.0.50.0300.04617.97
7.0.40.0150.03816.74
7.0.30.0050.03116.77
7.0.20.0090.04416.79
7.0.10.0110.04316.75
7.0.00.0130.03816.84
5.6.400.0070.00714.43
5.6.390.0040.01413.96
5.6.380.0030.01014.16
5.6.370.0040.01114.65
5.6.360.0060.00914.34
5.6.350.0090.00614.69
5.6.340.0080.00414.72
5.6.330.0000.01114.58
5.6.320.0100.01014.44
5.6.310.0030.00514.73
5.6.300.0100.00314.68
5.6.290.0080.00414.73
5.6.280.0070.00314.18
5.6.270.0030.00614.31
5.6.260.0100.00614.53
5.6.250.0080.02817.71
5.6.240.0130.04117.54
5.6.230.0090.04217.54
5.6.220.0050.04417.61
5.6.210.0090.04117.51
5.6.200.0080.02517.79
5.6.190.0100.04117.75
5.6.180.0060.02817.82
5.6.170.0080.04517.57
5.6.160.0110.03817.72
5.6.150.0080.02517.61
5.6.140.0130.03717.70
5.6.130.0110.04317.82
5.6.120.0050.04217.60
5.6.110.0080.04317.57
5.6.100.0060.04117.77
5.6.90.0050.04217.68
5.6.80.0100.04117.35
5.6.70.0070.04317.36
5.6.60.0110.03617.39
5.6.50.0050.04317.45
5.6.40.0070.02617.41
5.6.30.0040.04217.56
5.6.20.0080.02117.42
5.6.10.0070.04117.28
5.6.00.0050.04517.25
5.5.380.0070.04217.39
5.5.370.0080.04517.44
5.5.360.0100.04217.37
5.5.350.0070.04417.33
5.5.340.0070.04717.55
5.5.330.0030.04517.59
5.5.320.0030.04817.59
5.5.310.0090.02517.53
5.5.300.0020.03817.78
5.5.290.0100.04717.80
5.5.280.0050.04017.69
5.5.270.0050.03217.42
5.5.260.0070.04517.66
5.5.250.0100.03817.55
5.5.240.0030.04317.18
5.5.230.0050.03617.40
5.5.220.0080.04017.25
5.5.210.0070.04117.32
5.5.200.0070.04617.24
5.5.190.0040.02517.34
5.5.180.0030.04117.27
5.5.170.0030.00714.28
5.5.160.0120.03917.11
5.5.150.0050.04617.28
5.5.140.0030.04217.31
5.5.130.0080.03917.30
5.5.120.0070.03817.35
5.5.110.0040.04617.17
5.5.100.0020.04917.31
5.5.90.0030.04517.34
5.5.80.0050.03017.30
5.5.70.0020.04217.15
5.5.60.0050.04717.40
5.5.50.0020.04016.99
5.5.40.0050.04417.02
5.5.30.0130.04117.26
5.5.20.0110.03817.16
5.5.10.0070.03717.11
5.5.00.0070.03917.15
5.4.450.0050.04715.15
5.4.440.0050.04315.44
5.4.430.0110.03015.23
5.4.420.0050.04015.23
5.4.410.0080.03815.42
5.4.400.0030.04015.04
5.4.390.0050.04215.16
5.4.380.0050.03815.13
5.4.370.0060.02315.16
5.4.360.0100.03815.16
5.4.350.0040.02815.08
5.4.340.0030.04315.10
5.4.330.0030.00311.32
5.4.320.0050.04215.02
5.4.310.0070.02315.16
5.4.300.0080.03815.10
5.4.290.0050.04315.12
5.4.280.0050.03815.13
5.4.270.0050.02715.00
5.4.260.0030.03514.99
5.4.250.0090.03515.13
5.4.240.0050.03815.06
5.4.230.0070.02214.97
5.4.220.0040.04315.11
5.4.210.0070.02315.06
5.4.200.0050.04115.14
5.4.190.0030.04015.11
5.4.180.0050.04415.14
5.4.170.0050.04214.97
5.4.160.0070.03515.10
5.4.150.0070.03814.99
5.4.140.0050.03513.72
5.4.130.0050.03013.76
5.4.120.0070.04013.77
5.4.110.0030.03813.83
5.4.100.0020.03813.93
5.4.90.0050.02813.77
5.4.80.0110.03113.79
5.4.70.0090.03713.83
5.4.60.0050.03813.74
5.4.50.0050.03313.70
5.4.40.0020.04313.77
5.4.30.0050.02413.93
5.4.20.0080.03713.82
5.4.10.0050.03713.78
5.4.00.0050.03213.44
5.3.290.0100.03712.89
5.3.280.0060.01912.86
5.3.270.0030.02212.84
5.3.260.0090.03912.82
5.3.250.0020.04112.82
5.3.240.0100.02812.86
5.3.230.0030.03912.88
5.3.220.0070.03612.87
5.3.210.0030.02912.81
5.3.200.0050.03912.80
5.3.190.0070.04112.89
5.3.180.0070.04012.84
5.3.170.0070.03912.84
5.3.160.0070.03712.89
5.3.150.0030.03812.82
5.3.140.0040.04012.85
5.3.130.0030.04112.87
5.3.120.0080.03712.86
5.3.110.0060.03812.86
5.3.100.0050.04112.54
5.3.90.0030.03912.56
5.3.80.0050.03812.56
5.3.70.0030.03812.57
5.3.60.0030.04312.62
5.3.50.0050.03812.56
5.3.40.0050.04012.56
5.3.30.0120.01812.53
5.3.20.0090.03212.46
5.3.10.0090.03612.39
5.3.00.0120.03212.32
5.2.170.0070.06011.22
5.2.160.0100.06011.05
5.2.150.0100.05711.15
5.2.140.0030.05011.20
5.2.130.0030.05711.11
5.2.120.0100.06310.96
5.2.110.0030.04711.16
5.2.100.0070.06011.16
5.2.90.0070.06011.20
5.2.80.0000.05711.13
5.2.70.0100.03011.01
5.2.60.0130.04711.12
5.2.50.0100.06011.13
5.2.40.0000.03710.98
5.2.30.0130.05011.07
5.2.20.0030.03710.98
5.2.10.0070.05310.81
5.2.00.0030.06010.64
5.1.60.0000.05310.09
5.1.50.0070.02710.11
5.1.40.0030.0579.98
5.1.30.0070.05310.36
5.1.20.0030.05710.31
5.1.10.0100.05010.15
5.1.00.0070.03010.13
5.0.50.0030.0408.67
5.0.40.0000.0508.52
5.0.30.0130.0508.31
5.0.20.0000.0478.21
5.0.10.0030.0378.25
5.0.00.0000.0638.26
4.4.90.0030.0338.10
4.4.80.0070.0338.10
4.4.70.0000.0378.10
4.4.60.0000.0378.10
4.4.50.0030.0308.10
4.4.40.0070.0238.10
4.4.30.0070.0138.10
4.4.20.0000.0208.10
4.4.10.0000.0208.10
4.4.00.0030.0508.10
4.3.110.0030.0378.10
4.3.100.0030.0308.10
4.3.90.0000.0378.10
4.3.80.0100.0478.10
4.3.70.0000.0338.10
4.3.60.0030.0338.10
4.3.50.0070.0278.10
4.3.40.0030.0538.10
4.3.30.0000.0378.10
4.3.20.0000.0308.10
4.3.10.0000.0208.10
4.3.00.0070.0278.10

preferences:
47.07 ms | 400 KiB | 5 Q