3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getPairs(array $data) { if(!($end=$count($data))) { return null; } shuffle($data); $result = [[$data[0], $data[$end-1]]]; for($i=0; $i<$end-1; $i++) { $result[] = [$data[$i], $data[$i+1]]; } return $result; } $data = ['First', 'Second', 'Third', 'Fourth', 'Fifth', 'Sixth']; var_dump(getPairs($data));

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)
7.2.00.0060.00618.96
7.1.70.0040.00417.12
7.1.60.0140.00719.29
7.1.50.0140.01134.84
7.1.00.0030.07722.24
7.0.200.0020.00516.90
7.0.140.0030.06321.95
7.0.60.0100.07719.98
7.0.50.0130.06017.90
7.0.40.0000.05020.27
7.0.30.0300.07720.16
7.0.20.0200.04320.23
7.0.10.0070.08720.05
7.0.00.0130.08020.09
5.6.280.0030.07321.05
5.6.210.0100.07320.71
5.6.200.0070.04018.22
5.6.190.0070.09020.55
5.6.180.0300.05020.39
5.6.170.0270.04020.54
5.6.160.0130.07020.50
5.6.150.0070.08318.28
5.6.140.0030.04318.25
5.6.130.0030.04718.16
5.6.120.0200.05021.01
5.6.110.0030.04021.00
5.6.100.0100.08020.89
5.6.90.0130.07320.95
5.6.80.0070.08320.36
5.5.350.0230.07720.40
5.5.340.0000.04317.96
5.5.330.0100.08020.35
5.5.320.0370.05720.32
5.5.310.0270.07720.32
5.5.300.0130.06718.01
5.5.290.0070.08317.98
5.5.280.0000.04320.90
5.5.270.0170.07320.72
5.5.260.0000.04320.96
5.5.250.0130.05320.57
5.5.240.0000.07020.23
5.4.450.0330.03719.57
5.4.440.0430.03319.20
5.4.430.0300.04019.55
5.4.420.0330.03719.56
5.4.410.0330.04019.34
5.4.400.0430.07019.23
5.4.390.0470.06319.06
5.4.380.0570.07019.08
5.4.370.0370.04018.85
5.4.360.0430.06719.31
5.4.350.0530.05319.23
5.4.340.0530.05018.95
5.4.320.0530.06719.13
5.4.310.0600.05719.06
5.4.300.0300.04018.94
5.4.290.0270.04018.85
5.4.280.0430.06018.94
5.4.270.0370.07019.16
5.4.260.0270.04018.98
5.4.250.0400.06019.24
5.4.240.0470.05019.08
5.4.230.0500.03719.13
5.4.220.0470.07018.88
5.4.210.0330.04019.27
5.4.200.0370.04318.97
5.4.190.0430.03718.98
5.4.180.0430.05319.12
5.4.170.0400.03719.14
5.4.160.0500.07019.20
5.4.150.0500.06319.20
5.4.140.0530.06016.41
5.4.130.0400.03716.47
5.4.120.0470.06716.47
5.4.110.0470.07016.54
5.4.100.0370.05016.54
5.4.90.0400.04016.46
5.4.80.0400.03316.53
5.4.70.0430.04716.44
5.4.60.0570.05316.43
5.4.50.0400.05716.18
5.4.40.0430.05316.51
5.4.30.0430.07016.24
5.4.20.0430.04016.16
5.4.10.0400.05016.37
5.4.00.0430.06715.79
5.3.290.0570.06714.70
5.3.280.0370.04714.64
5.3.270.0400.04314.50
5.3.260.0530.06314.77
5.3.250.0430.04314.72
5.3.240.0500.06714.53
5.3.230.0500.05714.68
5.3.220.0600.05314.57
5.3.210.0430.05314.70
5.3.200.0500.05714.73
5.3.190.0400.03714.49
5.3.180.0300.04714.46
5.3.170.0430.04014.49
5.3.160.0400.05014.47
5.3.150.0470.06314.48
5.3.140.0370.05014.54
5.3.130.0530.06014.55
5.3.120.0630.05314.54
5.3.110.0470.06714.45
5.3.100.0470.06313.90
5.3.90.0400.04314.18
5.3.80.0430.06014.13
5.3.70.0570.06713.92
5.3.60.0500.04014.02
5.3.50.0500.06013.95
5.3.40.0330.04013.92
5.3.30.0430.05313.98
5.3.20.0370.05013.66
5.3.10.0500.06013.56
5.3.00.0330.04713.61
5.2.170.0330.06011.26
5.2.160.0470.05011.07
5.2.150.0400.04311.12
5.2.140.0430.05011.07
5.2.130.0430.04711.01
5.2.120.0370.03011.01
5.2.110.0370.04011.34
5.2.100.0400.03311.11
5.2.90.0470.04711.02
5.2.80.0370.02311.00
5.2.70.0430.03710.99
5.2.60.0330.03311.05
5.2.50.0330.02710.99
5.2.40.0200.03311.04
5.2.30.0300.03010.97
5.2.20.0330.03010.86
5.2.10.0370.05310.78
5.2.00.0370.05310.79
5.1.60.0370.0439.92
5.1.50.0330.0409.92
5.1.40.0370.0439.98
5.1.30.0400.03710.42
5.1.20.0400.04010.25
5.1.10.0270.02710.12
5.1.00.0300.0509.96
5.0.50.0170.0309.27
5.0.40.0130.0209.27
5.0.30.0170.0379.27
5.0.20.0100.0509.27
5.0.10.0200.0339.27
5.0.00.0130.0439.27
4.4.90.0270.0179.26
4.4.80.0100.0209.26
4.4.70.0170.0379.26
4.4.60.0200.0209.26
4.4.50.0200.0179.26
4.4.40.0170.0409.26
4.4.30.0130.0279.26
4.4.20.0230.0279.26
4.4.10.0170.0239.27
4.4.00.0200.0439.27
4.3.110.0130.0239.27
4.3.100.0170.0179.27
4.3.90.0130.0279.27
4.3.80.0170.0209.27
4.3.70.0230.0179.27
4.3.60.0100.0279.27
4.3.50.0100.0179.27
4.3.40.0170.0309.27
4.3.30.0070.0409.27
4.3.20.0070.0279.27
4.3.10.0070.0209.27
4.3.00.0070.0379.27

preferences:
39.27 ms | 401 KiB | 5 Q