3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = ['First', 'Second', 'Third', 'Fourth', 'Fifth', 'Sixth']; $chose = []; $result = []; foreach($data as $i=>$item) { $keys = array_diff(array_keys($data), $chose, [$i]); echo("Diff: \n"); var_dump($keys); $pair = $keys[array_rand($keys)]; $chose[] = $pair; $result[]= [$item, $data[$pair]]; echo("Chosen: \n"); var_dump($chose); } var_dump($result);

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)
7.2.00.0060.00619.30
7.1.70.0040.00417.10
7.1.60.0110.01419.70
7.1.50.0140.01017.06
7.1.00.0000.08022.51
7.0.200.0050.00516.94
7.0.140.0000.07722.07
7.0.100.0070.05019.92
7.0.90.0130.07719.97
7.0.80.0230.07719.92
7.0.70.0200.07319.96
7.0.60.0130.08019.92
7.0.50.0130.08320.29
7.0.40.0030.06320.09
7.0.30.0100.07320.07
7.0.20.0170.05720.11
7.0.10.0030.05720.14
7.0.00.0070.08020.07
5.6.280.0000.07721.10
5.6.250.0030.08020.71
5.6.240.0100.07720.72
5.6.230.0130.07720.62
5.6.220.0100.03720.68
5.6.210.0130.08320.55
5.6.200.0100.06021.08
5.6.190.0130.04321.02
5.6.180.0030.08320.95
5.6.170.0100.07321.02
5.6.160.0000.07321.12
5.6.150.0130.07320.98
5.6.140.0170.06721.13
5.6.130.0070.04720.98
5.6.120.0030.04321.11
5.6.110.0030.04021.03
5.6.100.0100.06321.06
5.6.90.0030.08321.05
5.6.80.0130.07720.48
5.6.70.0100.07720.54
5.6.60.0170.06720.50
5.6.50.0130.05020.49
5.6.40.0070.04320.30
5.6.30.0070.08020.43
5.6.20.0030.06720.39
5.6.10.0070.04320.37
5.6.00.0100.07320.42
5.5.380.0000.08320.39
5.5.370.0070.08320.57
5.5.360.0030.04320.53
5.5.350.0170.08720.41
5.5.340.0170.06720.92
5.5.330.0100.08720.73
5.5.320.0170.07720.90
5.5.310.0070.04720.88
5.5.300.0100.08020.87
5.5.290.0070.06720.81
5.5.280.0070.08320.83
5.5.270.0030.09320.91
5.5.260.0070.06320.76
5.5.250.0130.07720.72
5.5.240.0070.06720.18
5.5.230.0100.04720.28
5.5.220.0030.04320.23
5.5.210.0100.04020.17
5.5.200.0130.07320.10
5.5.190.0000.07320.20
5.5.180.0000.08320.18
5.5.160.0170.07020.18
5.5.150.0070.07320.14
5.5.140.0130.06720.27
5.5.130.0100.09320.18
5.5.120.0030.08020.13
5.5.110.0130.06020.13
5.5.100.0100.07720.15
5.5.90.0070.07320.02
5.5.80.0100.06320.06
5.5.70.0100.08019.96
5.5.60.0070.07020.09
5.5.50.0130.07319.93
5.5.40.0030.08720.14
5.5.30.0000.04719.95
5.5.20.0070.05320.14
5.5.10.0100.04020.11
5.5.00.0170.07319.96
5.4.450.0130.04719.43
5.4.440.0030.05719.11
5.4.430.0030.08319.13
5.4.420.0100.07719.36
5.4.410.0030.07319.23
5.4.400.0030.04319.06
5.4.390.0030.05019.23
5.4.380.0070.04319.07
5.4.370.0100.06019.06
5.4.360.0070.04719.10
5.4.350.0100.05019.07
5.4.340.0070.07719.14
5.4.320.0070.05318.98
5.4.310.0070.04018.94
5.4.300.0030.06019.02
5.4.290.0100.06319.22
5.4.280.0030.08319.02
5.4.270.0070.04018.96
5.4.260.0070.06018.96
5.4.250.0070.04318.80
5.4.240.0130.05319.11
5.4.230.0070.08018.94
5.4.220.0100.07019.05
5.4.210.0070.03719.08
5.4.200.0100.07319.03
5.4.190.0130.07019.11
5.4.180.0170.03719.06
5.4.170.0100.03719.08
5.4.160.0070.07019.00
5.4.150.0130.07318.76
5.4.140.0070.07716.32
5.4.130.0030.04016.37
5.4.120.0030.08016.28
5.4.110.0070.06016.23
5.4.100.0100.05316.21
5.4.90.0200.04016.38
5.4.80.0070.03316.31
5.4.70.0030.04716.41
5.4.60.0030.03716.35
5.4.50.0070.03316.33
5.4.40.0000.04316.29
5.4.30.0070.03316.34
5.4.20.0030.03716.29
5.4.10.0070.03316.31
5.4.00.0030.03715.86
5.3.290.0070.03714.61
5.3.280.0070.05714.41
5.3.270.0070.08014.44
5.3.260.0070.08014.43
5.3.250.0100.07014.55
5.3.240.0000.04014.44
5.3.230.0030.07014.46
5.3.220.0100.07714.52
5.3.210.0070.07014.56
5.3.200.0030.04314.53
5.3.190.0000.05014.39
5.3.180.0000.04314.54
5.3.170.0030.03714.55
5.3.160.0030.04014.55
5.3.150.0030.03714.51
5.3.140.0070.03014.54
5.3.130.0030.03714.40
5.3.120.0070.03314.46
5.3.110.0000.04014.53
5.3.100.0000.06013.88
5.3.90.0030.04013.88
5.3.80.0170.02314.02
5.3.70.0030.04014.02
5.3.60.0000.04013.99
5.3.50.0070.05313.95
5.3.40.0070.03013.71
5.3.30.0070.02713.68
5.3.20.0030.03713.68
5.3.10.0000.03013.42
5.3.00.0000.03713.63
5.2.170.0030.02712.20
5.2.160.0070.04012.20
5.2.150.0030.02312.20
5.2.140.0030.03012.20
5.2.130.0030.02712.20
5.2.120.0030.02712.20
5.2.110.0070.02312.20
5.2.100.0030.03012.20
5.2.90.0000.03012.20
5.2.80.0000.03012.20
5.2.70.0000.03012.20
5.2.60.0030.02712.20
5.2.50.0030.03312.20
5.2.40.0030.02712.20
5.2.30.0000.03012.20
5.2.20.0070.03012.20
5.2.10.0030.02712.20
5.2.00.0000.03012.20
5.1.60.0070.01712.20
5.1.50.0030.02312.20
5.1.40.0000.03012.20
5.1.30.0000.02712.20
5.1.20.0000.02712.20
5.1.10.0000.02712.20
5.1.00.0030.02012.20
5.0.50.0000.02012.20
5.0.40.0070.01312.20
5.0.30.0000.03012.20
5.0.20.0000.01712.20
5.0.10.0030.01712.20
5.0.00.0070.02712.20
4.4.90.0000.01312.20
4.4.80.0000.01712.20
4.4.70.0030.01312.20
4.4.60.0000.01712.20
4.4.50.0030.01012.20
4.4.40.0030.02312.20
4.4.30.0000.01312.20
4.4.20.0030.01312.20
4.4.10.0070.01012.20
4.4.00.0000.02012.20
4.3.110.0000.01312.20
4.3.100.0000.01712.20
4.3.90.0000.01712.20
4.3.80.0030.02012.20
4.3.70.0000.01312.20
4.3.60.0000.01312.20
4.3.50.0030.01012.20
4.3.40.0000.02312.20
4.3.30.0000.01312.20
4.3.20.0000.01312.20
4.3.10.0000.01312.20
4.3.00.0000.01312.20

preferences:
39.4 ms | 401 KiB | 5 Q