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<?php $x = range(0, 100000); $keys = array_map(function ($x) { return chr(46+rand(0, 26)) . chr(46+rand(0, 26)) . chr(46+rand(0, 26)) . $x; }, $x); $vars = array_combine($keys, $x); $time = 0.0; for ($i = $runs = 1000; $i-- > 0;) { $t = microtime(TRUE); extract($vars); $time += microtime(TRUE) - $t; } echo sprintf("%.4f", $time / $runs);
Output for 7.2.3, 7.2.9, 7.2.12 - 7.2.13, 7.3.1
0.0014
Output for 7.2.0, 7.2.2, 7.2.6 - 7.2.8, 7.3.0
0.0013
Output for 7.2.1, 7.2.10 - 7.2.11
0.0015
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.5 - 7.1.25, 7.2.4 - 7.2.5

Process exited with code 137.
Output for 7.1.0
0.0024
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/6dof3 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/6dof3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/6dof3 on line 3
Process exited with code 255.

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