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)
7.4.00.0070.01315.15
7.3.120.0070.01114.70
7.3.110.0170.00015.09
7.3.100.0030.01014.97
7.3.90.0030.01314.86
7.3.80.0000.01214.89
7.3.70.0100.00714.89
7.3.60.0060.00914.84
7.3.50.0040.01114.70
7.3.40.0040.01214.63
7.3.30.0080.00414.82
7.3.20.0070.01016.65
7.3.10.0080.00416.52
7.3.00.0060.00616.79
7.2.250.0040.01615.04
7.2.240.0040.01815.17
7.2.230.0090.00615.17
7.2.220.0070.00715.09
7.2.210.0090.00614.96
7.2.200.0100.00715.16
7.2.190.0000.01815.21
7.2.180.0040.01215.21
7.2.170.0040.01114.97
7.2.00.0040.01119.15
7.1.330.0080.00816.10
7.1.320.0110.00415.68
7.1.310.0070.00715.55
7.1.300.0030.01315.89
7.1.290.0030.01315.67
7.1.280.0030.01015.68
7.1.270.0100.00315.76
7.1.260.0040.01215.82
7.1.70.0000.01117.35
7.1.60.0070.01119.17
7.1.50.0210.00416.99
7.1.00.0030.04022.45
7.0.200.0100.01014.84
7.0.140.0000.07722.07
7.0.100.0230.07019.98
7.0.90.0200.08020.17
7.0.80.0170.08319.98
7.0.70.0170.07019.89
7.0.60.0230.07319.93
7.0.50.0170.07720.40
7.0.40.0130.08020.08
7.0.30.0100.08020.09
7.0.20.0030.08720.10
7.0.10.0130.07020.18
7.0.00.0100.07720.13
5.6.280.0030.07721.11
5.6.250.0070.08720.63
5.6.240.0030.08320.68
5.6.230.0100.08320.75
5.6.220.0070.07720.70
5.6.210.0000.05320.66
5.6.200.0270.06021.05
5.6.190.0130.06321.14
5.6.180.0100.08021.10
5.6.170.0130.08020.95
5.6.160.0130.07720.93
5.6.150.0170.07021.05
5.6.140.0070.08321.02
5.6.130.0100.09020.95
5.6.120.0100.09021.01
5.6.110.0100.07721.04
5.6.100.0070.06720.98
5.6.90.0070.08720.98
5.6.80.0100.08020.47
5.6.70.0170.06720.51
5.6.60.0100.07320.43
5.6.50.0100.07720.55
5.6.40.0170.07320.53
5.6.30.0130.07320.41
5.6.20.0070.07020.40
5.6.10.0070.07320.41
5.6.00.0070.08020.48
5.5.380.0030.08020.36
5.5.370.0130.07320.36
5.5.360.0100.07320.34
5.5.350.0100.06720.38
5.5.340.0170.07720.92
5.5.330.0200.07320.76
5.5.320.0170.07320.80
5.5.310.0170.07320.82
5.5.300.0100.08020.92
5.5.290.0130.08320.89
5.5.280.0070.08320.90
5.5.270.0130.08320.86
5.5.260.0170.06020.92
5.5.250.0030.09020.64
5.5.240.0170.07720.27
5.5.230.0130.07720.25
5.5.220.0070.07720.16
5.5.210.0100.05720.16
5.5.200.0100.08020.15
5.5.190.0200.06720.26
5.5.180.0170.06720.25
5.5.160.0100.07320.13
5.5.150.0170.07720.23
5.5.140.0100.07320.20
5.5.130.0100.06720.12
5.5.120.0030.08320.23
5.5.110.0070.07720.17
5.5.100.0130.06320.16
5.5.90.0070.06320.07
5.5.80.0130.07720.06
5.5.70.0070.06720.03
5.5.60.0100.07320.15
5.5.50.0070.07719.93
5.5.40.0100.07320.13
5.5.30.0100.08020.14
5.5.20.0070.06320.05
5.5.10.0170.05720.01
5.5.00.0100.07720.12
5.4.450.0170.07019.55
5.4.440.0070.08019.13
5.4.430.0030.08319.39
5.4.420.0100.07719.47
5.4.410.0030.07719.27
5.4.400.0070.07319.13
5.4.390.0130.07718.80
5.4.380.0100.06719.06
5.4.370.0100.07319.10
5.4.360.0130.04318.97
5.4.350.0170.06318.79
5.4.340.0200.06318.97
5.4.320.0130.07318.79
5.4.310.0070.04018.79
5.4.300.0070.07719.16
5.4.290.0130.04019.14
5.4.280.0130.07018.96
5.4.270.0000.05018.81
5.4.260.0100.05019.08
5.4.250.0000.06319.03
5.4.240.0200.06318.94
5.4.230.0030.08019.06
5.4.220.0130.07018.78
5.4.210.0000.04319.09
5.4.200.0170.06319.04
5.4.190.0100.06718.88
5.4.180.0100.06019.05
5.4.170.0030.04719.14
5.4.160.0070.07319.10
5.4.150.0100.04318.78
5.4.140.0030.03716.33
5.4.130.0030.07316.34
5.4.120.0100.04716.38
5.4.110.0030.07716.36
5.4.100.0100.06716.44
5.4.90.0170.06316.44
5.4.80.0100.07016.40
5.4.70.0030.03316.25
5.4.60.0100.06016.29
5.4.50.0100.05716.37
5.4.40.0070.07716.37
5.4.30.0070.05016.34
5.4.20.0070.07316.28
5.4.10.0170.06716.28
5.4.00.0070.06315.74
5.3.290.0030.08014.62
5.3.280.0070.07014.56
5.3.270.0070.03714.58
5.3.260.0100.07314.60
5.3.250.0100.06014.59
5.3.240.0130.07014.59
5.3.230.0100.04014.42
5.3.220.0100.06714.43
5.3.210.0000.04014.57
5.3.200.0070.07014.52
5.3.190.0000.07014.56
5.3.180.0030.07314.41
5.3.170.0070.07314.51
5.3.160.0030.06714.50
5.3.150.0070.07314.48
5.3.140.0070.03714.55
5.3.130.0100.06714.53
5.3.120.0030.03714.51
5.3.110.0130.07314.53
5.3.100.0000.04014.04
5.3.90.0000.04714.02
5.3.80.0030.07714.01
5.3.70.0070.07014.00
5.3.60.0030.07313.91
5.3.50.0030.06313.89
5.3.40.0100.03713.95
5.3.30.0000.04713.92
5.3.20.0100.07313.67
5.3.10.0070.07013.51
5.3.00.0070.06013.49
5.2.170.0030.06310.99
5.2.160.0030.06311.10
5.2.150.0000.05711.13
5.2.140.0000.06311.06
5.2.130.0030.06311.16
5.2.120.0070.06311.09
5.2.110.0070.06011.17
5.2.100.0000.06711.14
5.2.90.0030.05310.95
5.2.80.0030.06311.05
5.2.70.0030.04711.01
5.2.60.0000.05010.89
5.2.50.0070.06310.93
5.2.40.0070.05711.05
5.2.30.0030.06310.82
5.2.20.0030.03710.83
5.2.10.0030.05710.92
5.2.00.0030.06310.74
5.1.60.0100.04010.01
5.1.50.0030.0309.84
5.1.40.0070.0439.98
5.1.30.0070.06010.41
5.1.20.0070.04310.27
5.1.10.0030.04010.11
5.1.00.0070.0379.90
5.0.50.0000.0439.49
5.0.40.0030.0439.49
5.0.30.0070.0539.49
5.0.20.0000.0439.49
5.0.10.0070.0379.49
5.0.00.0000.0639.49
4.4.90.0030.0309.49
4.4.80.0030.0309.49
4.4.70.0000.0339.49
4.4.60.0030.0309.49
4.4.50.0030.0339.49
4.4.40.0000.0579.49
4.4.30.0000.0179.49
4.4.20.0030.0209.49
4.4.10.0030.0339.49
4.4.00.0100.0409.49
4.3.110.0000.0409.49
4.3.100.0070.0309.49
4.3.90.0070.0309.49
4.3.80.0000.0579.49
4.3.70.0070.0309.49
4.3.60.0000.0379.49
4.3.50.0100.0239.49
4.3.40.0000.0479.49
4.3.30.0030.0239.49
4.3.20.0030.0339.49
4.3.10.0000.0379.49
4.3.00.0000.0379.49

preferences:
30.44 ms | 401 KiB | 5 Q