3v4l.org

run code in 300+ PHP versions simultaneously
<?php function swapOutermost(&$a) { if(count($a) < 2){ return; } $len = count($a); $temp = $a[0]; $a[0] = $a[$len - 1]; $a[$len - 1] = $temp; swapOutermost(array_slice($a, 1, $len - 2)); } $array = [1, 2, 3, 4, 5, 6, 7]; swapOutermost($array); var_export($array);

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)
8.4.130.0080.01218.62
8.4.120.0030.00723.98
8.4.110.0110.00620.77
8.4.100.0080.00917.57
8.4.90.0130.00818.27
8.4.80.0070.00219.53
8.4.70.0110.00818.05
8.4.60.0130.00718.88
8.4.50.0090.01019.47
8.4.40.0090.00017.77
8.4.30.0000.00820.60
8.4.20.0100.01018.12
8.4.10.0060.00319.69
8.3.250.0080.01018.64
8.3.240.0120.00717.06
8.3.230.0040.00516.84
8.3.220.0050.00417.21
8.3.210.0100.00916.97
8.3.200.0060.00316.65
8.3.190.0130.00716.83
8.3.180.0070.01216.71
8.3.170.0050.00516.91
8.3.160.0050.00318.40
8.3.150.0000.00720.62
8.3.140.0060.00318.42
8.3.130.0080.00018.44
8.3.120.0000.00918.93
8.3.110.0160.00320.94
8.3.100.0090.00024.06
8.3.90.0040.00426.77
8.3.80.0030.00616.75
8.3.70.0120.00616.73
8.3.60.0140.00018.31
8.3.50.0200.00124.54
8.3.40.0090.00618.70
8.3.30.0140.00318.96
8.3.20.0080.00020.77
8.3.10.0040.00421.86
8.3.00.0050.00318.03
8.2.290.0060.00222.46
8.2.280.0040.00420.41
8.2.270.0040.01417.04
8.2.260.0090.00016.75
8.2.250.0050.00318.37
8.2.240.0060.00316.92
8.2.230.0080.00022.58
8.2.220.0080.00037.54
8.2.210.0070.00726.77
8.2.200.0030.00716.75
8.2.190.0040.01117.00
8.2.180.0090.01218.38
8.2.170.0080.00622.96
8.2.160.0070.00721.06
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0000.00726.16
8.2.120.0080.00026.16
8.2.110.0080.00020.47
8.2.100.0060.00617.72
8.2.90.0030.00519.13
8.2.80.0110.00017.97
8.2.70.0080.00017.50
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0040.00419.76
8.2.30.0100.00018.15
8.2.20.0020.00518.07
8.2.10.0000.00719.24
8.2.00.0000.00719.19
8.1.330.0100.01021.77
8.1.320.0110.00716.11
8.1.310.0080.00016.89
8.1.300.0040.00417.99
8.1.290.0040.00418.88
8.1.280.0120.00625.92
8.1.270.0040.00423.99
8.1.260.0110.00726.35
8.1.250.0060.00328.09
8.1.240.0060.00321.06
8.1.230.0040.00817.70
8.1.220.0050.00317.78
8.1.210.0050.00318.77
8.1.200.0040.00417.47
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0110.00018.66
8.1.160.0040.00418.83
8.1.150.0000.00718.86
8.1.140.0000.00718.84
8.1.130.0060.00320.28
8.1.120.0040.00417.49
8.1.110.0040.00417.34
8.1.100.0050.00317.37
8.1.90.0030.00617.43
8.1.80.0000.00717.45
8.1.70.0000.00817.35
8.1.60.0030.00617.58
8.1.50.0040.00417.56
8.1.40.0080.00017.50
8.1.30.0030.00617.56
8.1.20.0040.00417.71
8.1.10.0040.00417.48
8.1.00.0040.00417.40
8.0.300.0060.00318.77
8.0.290.0050.00316.75
8.0.280.0030.00318.39
8.0.270.0000.00717.93
8.0.260.0030.00320.02
8.0.250.0000.00716.99
8.0.240.0030.00716.99
8.0.230.0000.00816.95
8.0.220.0030.00316.85
8.0.210.0030.00316.81
8.0.200.0000.00616.92
8.0.190.0070.00017.00
8.0.180.0040.00416.88
8.0.170.0000.00816.98
8.0.160.0000.00716.85
8.0.150.0000.00816.96
8.0.140.0040.00416.96
8.0.130.0030.00313.34
8.0.120.0090.00016.78
8.0.110.0020.00516.99
8.0.100.0040.00417.03
8.0.90.0060.00316.74
8.0.80.0050.01416.97
8.0.70.0000.00717.00
8.0.60.0000.00816.84
8.0.50.0050.00316.74
8.0.30.0130.00317.00
8.0.20.0210.00317.02
8.0.10.0020.00517.00
8.0.00.0100.01416.83
7.4.330.0030.00316.71
7.4.320.0000.00716.58
7.4.300.0000.00616.52
7.4.290.0030.00316.47
7.4.280.0050.00316.65
7.4.270.0060.00016.44
7.4.260.0030.00313.18
7.4.250.0030.00316.57
7.4.240.0020.00516.58
7.4.230.0030.00316.60
7.4.220.0030.00316.56
7.4.210.0070.00916.42
7.4.200.0000.00716.48
7.4.130.0080.01316.45
7.4.120.0140.00316.59
7.4.110.0130.00616.59
7.4.100.0120.00616.55
7.4.90.0100.01416.48
7.4.80.0080.01119.39
7.4.70.0080.00816.70
7.4.60.0030.01316.45
7.4.50.0100.00716.67
7.4.40.0060.01616.20
7.4.20.0090.01316.50
7.4.10.0040.01216.47
7.4.00.0100.00716.61
7.3.330.0000.00616.33
7.3.320.0050.00013.25
7.3.310.0040.00416.48
7.3.300.0000.00616.27
7.3.290.0080.00716.43
7.3.280.0080.00516.43
7.3.260.0130.00316.53
7.3.240.0070.01116.61
7.3.230.0030.01416.41
7.3.210.0060.01016.63
7.3.200.0040.01316.68
7.3.190.0130.00716.41
7.3.180.0130.00316.53
7.3.170.0050.01116.70
7.3.160.0120.00616.41
7.3.140.0100.01016.45
7.3.130.0120.00616.25
7.3.120.0100.01016.42
7.3.110.0060.00916.58
7.3.100.0090.00616.44
7.3.90.0100.01016.39
7.3.80.0100.01016.55
7.3.70.0070.00716.43
7.3.60.0100.00516.34
7.3.50.0090.01616.49
7.3.40.0180.00616.47
7.3.30.0120.00916.42
7.3.20.0090.01216.39
7.3.10.0090.01316.40
7.3.00.0120.00916.52
7.2.330.0090.01216.80
7.2.320.0030.01316.80
7.2.310.0080.00816.89
7.2.300.0060.01216.71
7.2.290.0060.00916.42
7.2.270.0140.00716.42
7.2.260.0070.01416.41
7.2.250.0030.01216.55
7.2.240.0100.00616.67
7.2.230.0110.01116.28
7.2.220.0040.01816.28
7.2.210.0120.00916.50
7.2.200.0040.01216.54
7.2.190.0160.00916.52
7.2.180.0100.01616.52
7.2.170.0130.01316.58
7.2.160.0170.00816.42
7.2.150.0070.01416.51
7.2.140.0090.01216.65
7.2.130.0140.01016.71
7.2.120.0030.01916.68
7.2.110.0180.00416.59
7.2.100.0150.01116.55
7.2.90.0120.00916.69
7.2.80.0070.01416.53
7.2.70.0100.01316.68
7.2.60.0280.00916.75
7.2.50.0090.01216.81
7.2.40.0060.01616.70
7.2.30.0190.00316.55
7.2.20.0070.01416.55
7.2.10.0120.00916.66
7.2.00.0110.01116.59

preferences:
106.95 ms | 403 KiB | 5 Q