3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = ['First', 'Second', 'Third', 'Fourth', 'Fifth', 'Sixth']; $chose = []; $result = []; foreach($data as $i=>$item) { $pair = array_rand(array_diff_key($data, $chose)); $chose[] = $pair; $result[]= [$item, $data[$pair]]; } 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)
7.3.10.0060.00616.55
7.3.00.0080.00716.64
7.2.130.0060.00516.71
7.2.120.0050.00716.92
7.2.110.0070.00716.88
7.2.100.0050.00717.00
7.2.90.0100.00316.97
7.2.80.0080.00617.00
7.2.70.0080.00716.74
7.2.60.0040.01116.91
7.2.50.0050.00617.09
7.2.40.0050.00916.99
7.2.30.0030.01116.86
7.2.20.0040.01116.95
7.2.10.0080.00516.88
7.2.00.0040.00717.66
7.1.250.0030.01015.75
7.1.70.0090.00017.35
7.1.60.0140.00719.17
7.1.50.0060.01917.02
7.1.00.0030.03322.48
7.0.200.0160.00314.88
7.0.140.0070.07022.13
7.0.100.0170.08719.93
7.0.90.0130.08719.91
7.0.80.0230.06719.77
7.0.70.0030.08320.09
7.0.60.0200.07319.88
7.0.50.0100.07720.40
7.0.40.0100.05320.00
7.0.30.0070.07720.09
7.0.20.0200.07020.10
7.0.10.0030.07020.12
7.0.00.0100.08320.04
5.6.280.0030.07721.11
5.6.250.0130.07020.66
5.6.240.0070.09720.49
5.6.230.0030.09320.69
5.6.220.0230.06720.47
5.6.210.0130.06020.61
5.6.200.0000.08021.06
5.6.190.0100.08021.00
5.6.180.0070.08321.05
5.6.170.0100.07721.05
5.6.160.0100.08020.95
5.6.150.0070.08321.02
5.6.140.0100.07321.00
5.6.130.0070.05720.95
5.6.120.0130.08021.07
5.6.110.0070.07320.94
5.6.100.0100.08321.09
5.6.90.0170.08021.02
5.6.80.0200.06020.41
5.6.70.0030.07320.39
5.6.60.0100.08020.41
5.6.50.0130.07320.29
5.6.40.0070.04720.27
5.6.30.0070.04320.39
5.6.20.0000.04320.39
5.6.10.0000.04320.30
5.6.00.0070.03720.35
5.5.380.0070.09020.51
5.5.370.0170.07020.32
5.5.360.0030.08320.50
5.5.350.0070.08020.37
5.5.340.0200.07020.90
5.5.330.0070.08320.91
5.5.320.0100.07720.87
5.5.310.0030.07720.85
5.5.300.0070.08020.86
5.5.290.0070.07320.77
5.5.280.0000.09320.85
5.5.270.0130.04320.75
5.5.260.0170.07320.63
5.5.250.0100.08320.59
5.5.240.0170.03320.25
5.5.230.0070.05720.29
5.5.220.0000.05020.10
5.5.210.0070.08720.25
5.5.200.0000.05020.21
5.5.190.0000.05320.26
5.5.180.0100.03720.23
5.5.160.0030.03720.23
5.5.150.0000.04320.23
5.5.140.0030.04020.10
5.5.130.0030.03720.07
5.5.120.0030.03720.23
5.5.110.0130.03020.07
5.5.100.0030.04020.17
5.5.90.0000.04320.16
5.5.80.0070.03020.09
5.5.70.0030.03719.96
5.5.60.0030.05020.04
5.5.50.0070.04020.11
5.5.40.0030.04020.04
5.5.30.0070.06320.07
5.5.20.0070.03720.07
5.5.10.0070.03720.08
5.5.00.0100.03719.96
5.4.450.0070.07319.45
5.4.440.0030.05319.45
5.4.430.0130.04319.38
5.4.420.0100.08019.13
5.4.410.0130.05019.43
5.4.400.0070.07319.05
5.4.390.0170.07318.83
5.4.380.0130.04319.12
5.4.370.0100.05019.10
5.4.360.0170.06018.96
5.4.350.0030.04019.12
5.4.340.0030.04019.11
5.4.320.0070.03019.04
5.4.310.0000.04019.12
5.4.300.0030.03719.02
5.4.290.0070.03718.81
5.4.280.0030.03719.02
5.4.270.0000.04018.78
5.4.260.0030.05019.11
5.4.250.0030.05319.09
5.4.240.0100.03719.07
5.4.230.0100.03718.77
5.4.220.0000.05719.05
5.4.210.0100.05718.91
5.4.200.0000.04018.94
5.4.190.0030.03719.04
5.4.180.0030.03719.01
5.4.170.0000.03718.80
5.4.160.0070.04019.10
5.4.150.0030.04319.10
5.4.140.0000.03716.22
5.4.130.0030.03716.21
5.4.120.0030.03716.32
5.4.110.0030.03716.43
5.4.100.0070.03316.33
5.4.90.0070.03316.38
5.4.80.0070.03316.52
5.4.70.0000.04016.42
5.4.60.0070.02716.21
5.4.50.0070.05016.46
5.4.40.0200.04016.26
5.4.30.0070.05016.40
5.4.20.0070.06316.18
5.4.10.0130.05716.30
5.4.00.0030.07315.74
5.3.290.0000.03714.50
5.3.280.0030.04014.41
5.3.270.0000.04314.47
5.3.260.0030.03714.61
5.3.250.0030.04714.61
5.3.240.0070.03314.57
5.3.230.0000.04314.54
5.3.220.0030.04014.55
5.3.210.0070.03314.51
5.3.200.0000.04014.57
5.3.190.0100.03014.57
5.3.180.0000.04014.50
5.3.170.0000.04014.52
5.3.160.0030.05314.56
5.3.150.0030.04014.51
5.3.140.0070.07014.43
5.3.130.0170.07014.54
5.3.120.0170.07014.41
5.3.110.0100.04714.38
5.3.100.0130.06314.05
5.3.90.0070.05713.98
5.3.80.0100.06713.96
5.3.70.0070.07314.00
5.3.60.0070.07313.94
5.3.50.0030.07313.92
5.3.40.0070.07713.93
5.3.30.0230.05313.89
5.3.20.0100.06013.44
5.3.10.0070.07013.65
5.3.00.0030.08013.62
5.2.170.0000.05011.18
5.2.160.0130.03711.00
5.2.150.0000.06311.21
5.2.140.0000.05311.14
5.2.130.0100.05311.02
5.2.120.0030.06710.94
5.2.110.0070.05711.02
5.2.100.0000.06011.09
5.2.90.0030.04011.09
5.2.80.0100.04311.04
5.2.70.0030.06311.01
5.2.60.0030.06710.86
5.2.50.0070.03310.90
5.2.40.0030.06010.98
5.2.30.0070.05710.96
5.2.20.0130.03010.97
5.2.10.0100.04310.88
5.2.00.0030.03710.77
5.1.60.0000.0579.99
5.1.50.0030.05310.01
5.1.40.0030.03310.00
5.1.30.0070.05310.29
5.1.20.0030.05710.36
5.1.10.0070.05310.05
5.1.00.0000.04310.11
5.0.50.0000.0478.98
5.0.40.0000.0338.98
5.0.30.0100.0378.98
5.0.20.0000.0438.98
5.0.10.0030.0408.98
5.0.00.0030.0638.98
4.4.90.0030.0308.98
4.4.80.0000.0208.98
4.4.70.0030.0378.98
4.4.60.0070.0278.98
4.4.50.0030.0378.98
4.4.40.0070.0508.98
4.4.30.0000.0238.98
4.4.20.0030.0178.98
4.4.10.0000.0238.98
4.4.00.0070.0508.98
4.3.110.0000.0208.98
4.3.100.0070.0278.98
4.3.90.0030.0338.98
4.3.80.0130.0438.98
4.3.70.0100.0238.98
4.3.60.0030.0278.98
4.3.50.0000.0308.98
4.3.40.0000.0478.98
4.3.30.0000.0378.98
4.3.20.0070.0378.98
4.3.10.0000.0338.98
4.3.00.0000.0308.98

preferences:
35.46 ms | 401 KiB | 5 Q