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, array_merge($chose, [$i]))); $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)
7.4.10.0090.00914.95
7.4.00.0110.00715.07
7.3.130.0030.01614.89
7.3.120.0040.01414.84
7.3.110.0060.00914.63
7.3.100.0060.00615.04
7.3.90.0030.01014.82
7.3.80.0030.00814.62
7.3.70.0060.00614.62
7.3.60.0110.00714.90
7.3.50.0000.01214.90
7.3.40.0060.00614.88
7.3.30.0000.01414.63
7.3.20.0070.00416.60
7.3.10.0080.00916.54
7.3.00.0070.00616.65
7.2.260.0080.01115.05
7.2.250.0000.01415.25
7.2.240.0060.00915.31
7.2.230.0000.01815.16
7.2.220.0000.01215.12
7.2.210.0030.01415.16
7.2.200.0000.00915.04
7.2.190.0030.01215.02
7.2.180.0040.01115.15
7.2.170.0000.01414.89
7.2.160.0090.00615.25
7.2.150.0030.01416.89
7.2.140.0030.01416.97
7.2.130.0110.00416.86
7.2.120.0110.00416.79
7.2.110.0110.00616.82
7.2.100.0120.00716.77
7.2.90.0080.00716.62
7.2.80.0100.00516.75
7.2.70.0090.00716.89
7.2.60.0060.00716.84
7.2.50.0040.01116.82
7.2.40.0060.00816.95
7.2.30.0060.01016.84
7.2.20.0080.00516.85
7.2.10.0080.00716.84
7.2.00.0070.00617.42
7.1.330.0090.00615.92
7.1.320.0060.00915.70
7.1.310.0040.00416.16
7.1.300.0030.01215.81
7.1.290.0040.01115.57
7.1.280.0130.00015.85
7.1.270.0040.00815.84
7.1.260.0090.00615.68
7.1.250.0050.01115.74
7.1.240.0110.00615.78
7.1.230.0100.00615.78
7.1.220.0050.00815.62
7.1.210.0080.00615.73
7.1.200.0060.00915.72
7.1.190.0070.00815.74
7.1.180.0060.00915.61
7.1.170.0080.00715.80
7.1.160.0050.00915.65
7.1.150.0070.00615.88
7.1.140.0070.00815.78
7.1.130.0030.01015.81
7.1.120.0080.00415.84
7.1.110.0050.00915.78
7.1.100.0070.00515.93
7.1.90.0080.00415.80
7.1.80.0090.00715.78
7.1.70.0060.00816.13
7.1.60.0070.00716.48
7.1.50.0060.01016.00
7.1.40.0060.00615.82
7.1.30.0070.00715.70
7.1.20.0080.00615.69
7.1.10.0050.00915.53
7.1.00.0050.01717.04
7.0.330.0040.00815.33
7.0.320.0080.00715.34
7.0.310.0080.00815.25
7.0.300.0070.00715.41
7.0.290.0070.00815.26
7.0.280.0080.00515.34
7.0.270.0080.00615.30
7.0.260.0050.00915.26
7.0.250.0080.00515.40
7.0.240.0070.00715.47
7.0.230.0050.00715.44
7.0.220.0080.00515.54
7.0.210.0050.00715.30
7.0.200.0080.00715.36
7.0.190.0090.00415.38
7.0.180.0070.00815.32
7.0.170.0070.00615.44
7.0.160.0090.00715.37
7.0.150.0060.00815.40
7.0.140.0100.01716.62
7.0.130.0070.00615.44
7.0.120.0080.00515.30
7.0.110.0080.00515.37
7.0.100.0080.02016.31
7.0.90.0060.02416.35
7.0.80.0060.02016.36
7.0.70.0060.02216.30
7.0.60.0060.02016.35
7.0.50.0090.02016.43
7.0.40.0060.01914.74
7.0.30.0090.01414.77
7.0.20.0060.02214.80
7.0.10.0090.01914.71
7.0.00.0040.02114.85
5.6.400.0060.00914.24
5.6.390.0060.00814.62
5.6.380.0080.00914.25
5.6.370.0060.00814.63
5.6.360.0080.00814.34
5.6.350.0060.00714.36
5.6.340.0050.01114.26
5.6.330.0080.00614.23
5.6.320.0050.00914.40
5.6.310.0050.00814.38
5.6.300.0070.00714.42
5.6.290.0050.00714.53
5.6.280.0060.01915.63
5.6.270.0040.01114.48
5.6.260.0060.00914.27
5.6.250.0050.01715.50
5.6.240.0050.02115.51
5.6.230.0050.02115.52
5.6.220.0090.01815.61
5.6.210.0040.01615.65
5.6.200.0070.02115.72
5.6.190.0050.02115.80
5.6.180.0050.02315.74
5.6.170.0070.02215.65
5.6.160.0060.02115.66
5.6.150.0060.02215.69
5.6.140.0020.02515.79
5.6.130.0070.02015.69
5.6.120.0050.02015.71
5.6.110.0080.01215.62
5.6.100.0080.02115.64
5.6.90.0030.02115.67
5.6.80.0060.02015.50
5.6.70.0080.01915.62
5.6.60.0070.01815.55
5.6.50.0050.02315.44
5.6.40.0060.02215.43
5.6.30.0060.01515.55
5.6.20.0050.01715.47
5.6.10.0070.02015.51
5.6.00.0050.01915.52
5.5.380.0040.02313.56
5.5.370.0070.01613.67
5.5.360.0040.01913.71
5.5.350.0050.01613.68
5.5.340.0070.01813.76
5.5.330.0060.01013.71
5.5.320.0050.02213.74
5.5.310.0060.02113.63
5.5.300.0060.02113.62
5.5.290.0070.01913.73
5.5.280.0060.01513.76
5.5.270.0060.02013.73
5.5.260.0070.01813.69
5.5.250.0030.02213.71
5.5.240.0050.02113.53
5.5.230.0050.01913.56
5.5.220.0040.02313.51
5.5.210.0060.02013.57
5.5.200.0050.02113.57
5.5.190.0050.01813.41
5.5.180.0030.02013.51
5.5.170.0070.00311.83
5.5.160.0050.02013.57
5.5.150.0060.01813.49
5.5.140.0050.01813.56
5.5.130.0020.01813.56
5.5.120.0060.02113.48
5.5.110.0060.02013.54
5.5.100.0060.02013.54
5.5.90.0050.02013.51
5.5.80.0040.02013.56
5.5.70.0050.02313.57
5.5.60.0070.01813.53
5.5.50.0050.02513.43
5.5.40.0050.01513.56
5.5.30.0050.01913.45
5.5.20.0040.02013.50
5.5.10.0030.01513.47
5.5.00.0050.02113.35
5.4.450.0070.01912.77
5.4.440.0050.01312.71
5.4.430.0080.02012.78
5.4.420.0060.01812.68
5.4.410.0090.01612.71
5.4.400.0070.01512.52
5.4.390.0040.02012.53
5.4.380.0060.01512.65
5.4.370.0050.02012.51
5.4.360.0040.02012.58
5.4.350.0060.01612.55
5.4.340.0070.01612.60
5.4.330.0040.00810.97
5.4.320.0060.01612.67
5.4.310.0060.01412.65
5.4.300.0070.01312.70
5.4.290.0060.01312.74
5.4.280.0060.01712.66
5.4.270.0050.01712.70
5.4.260.0060.01412.54
5.4.250.0050.02012.61
5.4.240.0040.02212.58
5.4.230.0080.01412.53
5.4.220.0080.01212.75
5.4.210.0040.02112.59
5.4.200.0080.01812.52
5.4.190.0080.01712.64
5.4.180.0070.01912.58
5.4.170.0060.01912.67
5.4.160.0070.01812.54
5.4.150.0080.01712.66
5.4.140.0050.02012.09
5.4.130.0090.01712.17
5.4.120.0060.02012.03
5.4.110.0070.02012.08
5.4.100.0050.01312.10
5.4.90.0050.01912.09
5.4.80.0070.01712.09
5.4.70.0030.02012.15
5.4.60.0060.01412.13
5.4.50.0060.01712.11
5.4.40.0090.01712.11
5.4.30.0050.02012.10
5.4.20.0060.02012.17
5.4.10.0030.01912.09
5.4.00.0040.01512.00
5.3.290.0080.01811.41
5.3.280.0060.02111.41
5.3.270.0070.01511.45
5.3.260.0050.02211.42
5.3.250.0060.02011.42
5.3.240.0050.02111.41
5.3.230.0070.01911.44
5.3.220.0080.01611.43
5.3.210.0030.02211.42
5.3.200.0050.02111.42
5.3.190.0070.02011.43
5.3.180.0090.01211.47
5.3.170.0050.02011.45
5.3.160.0080.01711.46
5.3.150.0070.01811.47
5.3.140.0060.01811.46
5.3.130.0070.02011.42
5.3.120.0060.02111.41
5.3.110.0080.01911.43
5.3.100.0090.01811.36
5.3.90.0080.01611.36
5.3.80.0080.01711.31
5.3.70.0070.01711.32
5.3.60.0070.01711.34
5.3.50.0060.01911.31
5.3.40.0070.01611.22
5.3.30.0050.01911.28
5.3.20.0050.01911.26
5.3.10.0070.01411.16
5.3.00.0060.01711.16
5.2.170.0080.01510.72
5.2.160.0060.01710.70
5.2.150.0040.02010.70
5.2.140.0090.01210.70
5.2.130.0050.01310.70
5.2.120.0040.01910.70
5.2.110.0040.01710.70
5.2.100.0060.01310.70
5.2.90.0060.01610.70
5.2.80.0010.02010.70
5.2.70.0050.01910.70
5.2.60.0020.01910.70
5.2.50.0040.01810.70
5.2.40.0020.02010.70
5.2.30.0060.01710.70
5.2.20.0030.01210.70
5.2.10.0070.01510.70
5.2.00.0050.01710.70
5.1.60.0010.01710.70
5.1.50.0030.01610.70
5.1.40.0020.00910.70
5.1.30.0040.01710.70
5.1.20.0060.01510.70
5.1.10.0020.01810.70
5.1.00.0030.01410.70
5.0.50.0020.01010.70
5.0.40.0040.01110.70
5.0.30.0030.01810.70
5.0.20.0030.01110.70
5.0.10.0040.01310.70
5.0.00.0020.01710.70
4.4.90.0020.01210.70
4.4.80.0020.01110.70
4.4.70.0020.01110.70
4.4.60.0040.00810.70
4.4.50.0020.01310.70
4.4.40.0050.01310.70
4.4.30.0010.00810.70
4.4.20.0020.01210.70
4.4.10.0040.01010.70
4.4.00.0030.01610.70
4.3.110.0000.01110.70
4.3.100.0020.01010.70
4.3.90.0030.01110.70
4.3.80.0010.01110.70
4.3.70.0010.01310.70
4.3.60.0020.01010.70
4.3.50.0010.00910.70
4.3.40.0030.01610.70
4.3.30.0010.01210.70
4.3.20.0030.01110.70
4.3.10.0020.01210.70
4.3.00.0030.01110.70

preferences:
40.55 ms | 401 KiB | 5 Q