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]); $pair = $keys[array_rand($keys)]; $chose[] = $pair; $result[]= [$item, $data[$pair]]; //echo("Chosen: \n"); //var_dump($chose); //echo("Diff: \n"); //var_dump(array_diff_key($data, $chose, [$i])); } 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)
7.4.00.0100.01015.01
7.3.120.0060.01314.95
7.3.110.0040.01414.77
7.3.100.0070.00714.88
7.3.90.0120.00315.03
7.3.80.0060.00914.84
7.3.70.0070.00714.66
7.3.60.0120.00614.48
7.3.50.0070.00314.96
7.3.40.0090.00314.91
7.3.30.0080.00814.81
7.3.20.0040.01516.62
7.3.10.0100.00316.36
7.3.00.0140.00016.87
7.2.250.0030.01614.86
7.2.240.0130.00315.02
7.2.230.0000.01414.84
7.2.220.0050.00514.66
7.2.210.0060.00615.03
7.2.200.0030.01014.86
7.2.190.0150.00015.13
7.2.180.0070.00714.72
7.2.170.0070.00715.18
7.1.330.0090.00615.91
7.1.320.0060.00615.55
7.1.310.0030.01015.97
7.1.300.0000.01015.86
7.1.290.0060.00615.76
7.1.280.0070.00715.85
7.1.270.0110.00415.66
7.1.260.0040.01115.56
7.1.70.0000.00917.34
7.1.60.0030.01619.17
7.1.50.0030.02117.05
7.1.00.0030.07022.45
7.0.200.0160.00314.86
7.0.140.0030.07322.22
7.0.100.0100.04319.93
7.0.90.0030.04719.96
7.0.80.0030.05019.89
7.0.70.0170.04019.91
7.0.60.0070.03719.96
7.0.50.0030.04320.23
7.0.40.0100.03019.96
7.0.30.0030.03720.05
7.0.20.0100.06320.04
7.0.10.0000.04019.99
7.0.00.0030.08720.04
5.6.250.0070.06020.56
5.6.240.0070.04020.69
5.6.230.0030.04320.68
5.6.220.0100.03320.70
5.6.210.0000.04020.55
5.6.200.0100.03721.06
5.6.190.0030.04321.03
5.6.180.0130.02721.13
5.6.170.0070.04021.07
5.6.160.0130.04721.03
5.6.150.0170.06321.02
5.6.140.0100.07321.04
5.6.130.0170.07321.11
5.6.120.0070.04321.04
5.6.110.0200.06321.06
5.6.100.0070.08720.92
5.6.90.0130.06320.96
5.6.80.0070.08020.33
5.6.70.0030.07320.33
5.6.60.0070.08020.33
5.6.50.0100.05020.32
5.6.40.0070.05020.43
5.6.30.0030.04720.49
5.6.20.0100.04020.29
5.6.10.0070.06720.29
5.6.00.0100.06720.42
5.5.380.0030.07720.42
5.5.370.0130.04720.36
5.5.360.0000.04320.50
5.5.350.0100.03320.45
5.5.340.0000.04320.83
5.5.330.0070.04320.92
5.5.320.0030.03720.87
5.5.310.0070.05720.88
5.5.300.0000.08720.73
5.5.290.0030.08720.91
5.5.280.0170.07020.75
5.5.270.0200.07020.88
5.5.260.0170.07720.85
5.5.250.0100.07320.72
5.5.240.0130.06720.02
5.5.230.0100.04320.13
5.5.220.0070.07320.13
5.5.210.0100.07320.13
5.5.200.0070.07720.16
5.5.190.0030.07720.08
5.5.180.0070.07020.27
5.5.160.0000.05320.27
5.5.150.0070.07720.23
5.5.140.0070.04720.12
5.5.130.0200.05320.27
5.5.120.0100.07020.27
5.5.110.0000.08020.13
5.5.100.0030.08319.95
5.5.90.0070.08720.09
5.5.80.0130.06720.06
5.5.70.0100.04020.05
5.5.60.0070.07719.96
5.5.50.0070.07720.05
5.5.40.0000.04719.91
5.5.30.0100.07720.13
5.5.20.0070.08020.04
5.5.10.0170.05720.01
5.5.00.0100.07020.11
5.4.450.0070.07719.45
5.4.440.0200.07019.30
5.4.430.0100.08019.34
5.4.420.0030.08019.22
5.4.410.0100.07719.31
5.4.400.0200.06319.04
5.4.390.0100.07718.79
5.4.380.0170.07318.96
5.4.370.0100.07019.12
5.4.360.0070.04018.98
5.4.350.0030.06719.03
5.4.340.0030.07319.07
5.4.320.0070.09018.92
5.4.310.0100.04019.10
5.4.300.0100.06719.04
5.4.290.0100.07019.07
5.4.280.0000.07718.89
5.4.270.0100.06318.91
5.4.260.0070.07019.04
5.4.250.0070.08319.14
5.4.240.0100.06019.02
5.4.230.0100.05719.22
5.4.220.0130.07718.80
5.4.210.0000.07018.92
5.4.200.0100.07019.02
5.4.190.0130.07019.13
5.4.180.0030.06718.99
5.4.170.0030.07718.80
5.4.160.0070.07718.88
5.4.150.0100.04319.08
5.4.140.0070.06716.30
5.4.130.0070.07316.22
5.4.120.0130.06016.21
5.4.110.0070.04016.26
5.4.100.0070.03716.42
5.4.90.0100.06716.22
5.4.80.0070.06016.36
5.4.70.0030.08016.41
5.4.60.0070.07316.32
5.4.50.0130.06716.19
5.4.40.0270.04716.25
5.4.30.0070.07316.23
5.4.20.0030.05016.39
5.4.10.0000.04316.30
5.4.00.0070.07315.75
5.3.290.0130.05714.66
5.3.280.0030.07714.57
5.3.270.0000.04314.58
5.3.260.0100.05014.52
5.3.250.0030.08014.60
5.3.240.0070.08314.44
5.3.230.0030.05014.59
5.3.220.0130.07314.48
5.3.210.0030.07314.45
5.3.200.0000.07714.54
5.3.190.0100.04314.48
5.3.180.0100.07014.41
5.3.170.0000.08314.50
5.3.160.0100.04714.54
5.3.150.0030.07714.51
5.3.140.0000.08314.38
5.3.130.0100.07014.56
5.3.120.0030.08014.49
5.3.110.0100.03714.55
5.3.100.0230.05313.89
5.3.90.0170.05713.84
5.3.80.0000.07713.99
5.3.70.0030.07713.99
5.3.60.0070.05313.94
5.3.50.0100.05713.91
5.3.40.0070.04013.80
5.3.30.0030.07313.87
5.3.20.0100.06013.68
5.3.10.0030.07713.41
5.3.00.0100.06013.63
5.2.170.0070.06311.93
5.2.160.0000.05311.93
5.2.150.0030.06711.93
5.2.140.0100.06311.93
5.2.130.0070.06011.93
5.2.120.0100.04711.93
5.2.110.0070.06011.93
5.2.100.0070.06311.93
5.2.90.0030.05711.93
5.2.80.0170.05011.93
5.2.70.0030.06011.93
5.2.60.0030.05711.93
5.2.50.0070.06011.93
5.2.40.0100.05011.93
5.2.30.0030.07311.93
5.2.20.0030.06011.93
5.2.10.0070.05711.93
5.2.00.0030.05711.93
5.1.60.0000.03711.93
5.1.50.0070.05011.93
5.1.40.0100.05011.93
5.1.30.0130.04711.93
5.1.20.0030.05311.93
5.1.10.0100.05311.93
5.1.00.0000.06011.93
5.0.50.0030.03711.93
5.0.40.0070.04011.93
5.0.30.0030.05011.93
5.0.20.0070.04011.93
5.0.10.0000.04011.93
5.0.00.0000.06311.93
4.4.90.0100.03011.93
4.4.80.0030.03011.93
4.4.70.0030.02011.93
4.4.60.0000.03711.93
4.4.50.0070.02711.93
4.4.40.0030.05311.93
4.4.30.0000.03711.93
4.4.20.0030.03311.93
4.4.10.0000.04011.93
4.4.00.0030.04711.93
4.3.110.0030.02711.93
4.3.100.0000.03711.93
4.3.90.0030.02311.93
4.3.80.0000.04311.93
4.3.70.0130.02311.93
4.3.60.0030.03011.93
4.3.50.0030.03711.93
4.3.40.0030.05011.93
4.3.30.0030.02011.93
4.3.20.0030.02011.93
4.3.10.0000.03711.93
4.3.00.0000.03711.93

preferences:
43.25 ms | 400 KiB | 5 Q