3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = ['First', 'Second', 'Third', 'Fourth', 'Fifth', 'Sixth']; $chose = []; $result = []; $keys = []; foreach($data as $i=>$item) { echo("Diff: \n"); var_dump($keys); $keys = array_diff(array_keys($data), $chose, [$i]); $pair = $keys[array_rand($keys)]; $chose[] = $pair; $result[]= [$item, $data[$pair]]; echo("Chosen: \n"); var_dump($chose); } var_dump($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)
7.4.00.0110.00814.81
7.3.120.0150.00614.98
7.3.110.0060.01214.80
7.3.100.0000.01515.06
7.3.90.0040.01114.91
7.3.80.0060.00915.03
7.3.70.0060.00914.83
7.3.60.0000.01914.76
7.3.50.0070.00414.99
7.3.40.0120.00014.84
7.3.30.0070.01114.77
7.3.20.0060.00316.63
7.3.10.0030.01516.72
7.3.00.0030.00916.80
7.2.250.0030.01615.27
7.2.240.0100.00715.04
7.2.230.0060.01315.05
7.2.220.0090.00615.03
7.2.210.0100.00715.09
7.2.200.0120.00315.23
7.2.190.0000.01414.89
7.2.180.0090.00615.05
7.2.170.0050.00515.05
7.1.330.0070.00715.93
7.1.320.0040.01115.67
7.1.310.0030.00616.00
7.1.300.0040.00715.82
7.1.290.0000.01415.91
7.1.280.0040.00815.91
7.1.270.0100.00715.92
7.1.260.0030.01315.75
7.1.70.0060.00616.88
7.1.60.0120.01219.40
7.1.50.0090.01217.02
7.1.00.0000.07722.48
7.0.200.0030.00616.85
7.0.140.0030.07722.05
7.0.120.0030.03322.00
7.0.60.0170.07320.10
7.0.50.0000.05317.81
7.0.40.0030.09020.40
7.0.30.0330.06020.17
7.0.20.0230.05320.20
7.0.10.0170.07720.09
7.0.00.0130.06320.00
5.6.280.0000.07721.09
5.6.210.0030.08320.46
5.6.200.0130.06018.22
5.6.190.0130.08320.41
5.6.180.0330.07320.64
5.6.170.0270.07720.41
5.6.160.0100.08020.50
5.6.150.0100.07318.22
5.6.140.0000.04318.18
5.6.130.0070.04318.18
5.6.120.0030.04320.98
5.6.110.0100.08720.89
5.6.100.0070.04020.99
5.6.90.0230.07020.97
5.6.80.0030.08720.35
5.5.350.0100.04020.36
5.5.340.0070.03717.97
5.5.330.0030.07320.13
5.5.320.0200.05020.34
5.5.310.0430.05720.19
5.5.300.0030.03717.93
5.5.290.0000.05017.95
5.5.280.0170.07320.73
5.5.270.0030.06020.64
5.5.260.0130.06720.72
5.5.250.0000.04320.58
5.5.240.0070.06320.26
5.4.450.0100.04319.46
5.4.440.0170.03719.46
5.4.430.0230.03019.40
5.4.420.0200.03319.40
5.4.410.0200.03319.29
5.4.400.0200.05319.09
5.4.390.0300.06319.09
5.4.380.0200.07719.06
5.4.370.0230.07319.16
5.4.360.0200.04019.25
5.4.350.0230.05019.16
5.4.340.0270.07019.13
5.4.320.0270.07019.25
5.4.310.0330.03718.79
5.4.300.0170.04719.07
5.4.290.0270.05319.13
5.4.280.0230.04718.92
5.4.270.0270.07718.91
5.4.260.0270.04719.08
5.4.250.0270.07318.80
5.4.240.0270.07319.12
5.4.230.0230.07019.09
5.4.220.0230.07318.80
5.4.210.0370.05718.87
5.4.200.0300.07718.78
5.4.190.0300.06718.87
5.4.180.0130.04318.80
5.4.170.0300.07019.12
5.4.160.0230.04718.76
5.4.150.0300.06718.91
5.4.140.0270.04016.47
5.4.130.0300.04016.32
5.4.120.0200.07016.20
5.4.110.0370.03316.39
5.4.100.0200.06716.51
5.4.90.0200.03716.20
5.4.80.0300.06716.37
5.4.70.0230.03316.20
5.4.60.0170.03716.43
5.4.50.0230.03716.03
5.4.40.0200.04316.36
5.4.30.0200.03716.03
5.4.20.0070.05316.40
5.4.10.0200.04016.45
5.4.00.0230.03315.65
5.3.290.0300.06014.71
5.3.280.0300.06314.45
5.3.270.0200.06014.56
5.3.260.0270.07314.59
5.3.250.0300.05714.45
5.3.240.0270.05314.45
5.3.230.0230.04714.55
5.3.220.0270.05314.51
5.3.210.0230.07314.61
5.3.200.0230.07014.40
5.3.190.0200.07314.44
5.3.180.0430.03014.65
5.3.170.0200.03714.50
5.3.160.0270.06014.65
5.3.150.0330.06314.53
5.3.140.0200.05014.43
5.3.130.0200.03714.57
5.3.120.0230.06314.39
5.3.110.0170.04714.59
5.3.100.0230.05013.89
5.3.90.0200.07314.11
5.3.80.0300.05713.98
5.3.70.0230.07314.04
5.3.60.0170.06014.05
5.3.50.0270.05313.97
5.3.40.0200.07313.80
5.3.30.0300.06713.95
5.3.20.0370.05313.66
5.3.10.0200.03313.58
5.3.00.0100.05013.58
5.2.170.0200.06312.17
5.2.160.0200.05712.17
5.2.150.0170.05712.17
5.2.140.0230.05012.17
5.2.130.0170.03712.17
5.2.120.0270.04712.17
5.2.110.0270.05012.17
5.2.100.0230.05312.17
5.2.90.0230.05712.17
5.2.80.0230.05312.17
5.2.70.0170.06012.17
5.2.60.0130.04012.17
5.2.50.0170.05712.17
5.2.40.0130.05312.17
5.2.30.0200.05012.17
5.2.20.0170.05312.17
5.2.10.0170.05712.17
5.2.00.0130.05012.17
5.1.60.0170.05312.17
5.1.50.0170.04012.17
5.1.40.0230.04312.17
5.1.30.0170.03312.17
5.1.20.0230.05012.17
5.1.10.0170.04312.17
5.1.00.0270.02312.17
5.0.50.0030.02712.17
5.0.40.0100.02712.17
5.0.30.0070.06712.17
5.0.20.0170.03312.17
5.0.10.0070.04312.17
5.0.00.0130.05312.17
4.4.90.0030.03312.17
4.4.80.0030.04012.17
4.4.70.0070.02712.17
4.4.60.0070.03712.17
4.4.50.0070.03712.17
4.4.40.0100.04712.17
4.4.30.0130.02312.17
4.4.20.0070.04012.17
4.4.10.0170.02712.17
4.4.00.0030.04312.17
4.3.110.0100.01712.17
4.3.100.0030.03712.17
4.3.90.0030.02312.17
4.3.80.0070.03712.17
4.3.70.0100.03312.17
4.3.60.0070.02012.17
4.3.50.0100.03012.17
4.3.40.0100.03312.17
4.3.30.0030.03312.17
4.3.20.0070.03312.17
4.3.10.0030.04012.17
4.3.00.0030.03712.17

preferences:
51.21 ms | 400 KiB | 5 Q