3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pivot = []; $n = 0; for ($i = 1; $i <= 100; $i++) { $pivot[$i] = []; } for($i = 1; $i <= 100; $n++) { $user = &$pivot[rand($i, 100)]; $rand = rand(0, 100); $random = $rand != $user ? $rand : $rand + 1; while(array_key_exists($random, $user); $user[] = $random; if($n == 100) { $i++; $n = 0; } } print_r($pivot);

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)
5.4.320.0070.03412.50
5.4.310.0070.03612.50
5.4.300.0060.03612.50
5.4.290.0090.03712.50
5.4.280.0070.03412.39
5.4.270.0050.03612.39
5.4.260.0060.03712.39
5.4.250.0090.03412.39
5.4.240.0060.03512.39
5.4.230.0040.03812.39
5.4.220.0060.03612.39
5.4.210.0020.04212.38
5.4.200.0060.03712.38
5.4.190.0090.03212.38
5.4.180.0050.04712.38
5.4.170.0050.03712.39
5.4.160.0050.03712.38
5.4.150.0080.03312.38
5.4.140.0020.04312.07
5.4.130.0090.03512.05
5.4.120.0060.04012.02
5.4.110.0060.03612.02
5.4.100.0030.03912.02
5.4.90.0040.04212.01
5.4.80.0070.03612.01
5.4.70.0070.03512.01
5.4.60.0060.03812.01
5.4.50.0050.04312.00
5.4.40.0050.03511.99
5.4.30.0040.03812.00
5.4.20.0060.03611.99
5.4.10.0100.03511.99
5.4.00.0090.03711.48
5.3.290.0110.04212.80
5.3.280.0090.04712.71
5.3.270.0050.04212.73
5.3.260.0070.03812.72
5.3.250.0070.04212.72
5.3.240.0060.04612.72
5.3.230.0090.03712.71
5.3.220.0080.04112.68
5.3.210.0060.03912.68
5.3.200.0080.03712.68
5.3.190.0060.03712.68
5.3.180.0050.04112.67
5.3.170.0100.03212.67
5.3.160.0070.03912.67
5.3.150.0050.03812.67
5.3.140.0080.04912.66
5.3.130.0160.03412.66
5.3.120.0060.04612.65
5.3.110.0130.03612.66
5.3.100.0090.04412.11
5.3.90.0100.03612.08
5.3.80.0070.03512.07
5.3.70.0050.04012.08
5.3.60.0070.03412.07
5.3.50.0110.03512.00
5.3.40.0050.04112.00
5.3.30.0070.04011.95
5.3.20.0050.03611.73
5.3.10.0080.03311.70
5.3.00.0080.03611.68
5.2.170.0090.0369.18
5.2.160.0040.0379.18
5.2.150.0060.0309.18
5.2.140.0030.0339.17
5.2.130.0060.0289.14
5.2.120.0070.0279.14
5.2.110.0060.0289.14
5.2.100.0080.0279.14
5.2.90.0040.0339.14
5.2.80.0070.0289.14
5.2.70.0040.0379.14
5.2.60.0070.0289.09
5.2.50.0050.0299.05
5.2.40.0090.0299.04
5.2.30.0070.0379.01
5.2.20.0050.0349.00
5.2.10.0020.0418.93
5.2.00.0080.0308.78
5.1.60.0060.0258.07
5.1.50.0030.0258.06
5.1.40.0030.0268.05
5.1.30.0050.0268.39
5.1.20.0070.0238.42
5.1.10.0070.0238.14
5.1.00.0040.0258.14
5.0.50.0020.0216.63
5.0.40.0050.0176.48
5.0.30.0020.0326.29
5.0.20.0030.0206.27
5.0.10.0100.0166.24
5.0.00.0050.0296.23
4.4.90.0030.0154.78
4.4.80.0050.0134.75
4.4.70.0000.0184.75
4.4.60.0020.0164.75
4.4.50.0010.0174.77
4.4.40.0020.0264.71
4.4.30.0050.0144.76
4.4.20.0030.0164.85
4.4.10.0050.0214.85
4.4.00.0020.0284.76
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0010.0164.63
4.3.80.0050.0264.58
4.3.70.0030.0184.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0030.0244.54
4.3.30.0020.0163.29
4.3.20.0010.0173.26
4.3.10.0030.0153.22
4.3.00.0030.01318.15

preferences:
139.15 ms | 1394 KiB | 7 Q