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<?php $xmls = [6, 3, 2, 5, 4, 1]; echo memory_get_usage() . "\n\n"; usort($xmls, function($a, $b) { static $documents = array(); if (!isset($documents[$a])) { $documents[$a] = true; } if (!isset($documents[$b])) { $documents[$b] = true; } if ($documents[$a] == $documents[$b]) { return 0; } return $documents[$a] < $documents[$b] ? -1 : 1; echo memory_get_usage() . "\n" . print_r($documents) . "\n"; }); print_r($xmls);
Output for 7.2.0
385848 Array ( [0] => 6 [1] => 3 [2] => 2 [3] => 5 [4] => 4 [5] => 1 )
Output for 7.1.0, 7.1.7
349176 Array ( [0] => 6 [1] => 3 [2] => 2 [3] => 5 [4] => 4 [5] => 1 )
Output for 7.1.5 - 7.1.6
349400 Array ( [0] => 6 [1] => 3 [2] => 2 [3] => 5 [4] => 4 [5] => 1 )
Output for 7.0.0 - 7.0.20
349512 Array ( [0] => 6 [1] => 3 [2] => 2 [3] => 5 [4] => 4 [5] => 1 )
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
222264 Array ( [0] => 4 [1] => 1 [2] => 5 [3] => 2 [4] => 3 [5] => 6 )
Output for 5.4.0 - 5.4.45
222784 Array ( [0] => 4 [1] => 1 [2] => 5 [3] => 2 [4] => 3 [5] => 6 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/M5MLv 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 '[' in /in/M5MLv on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/M5MLv on line 3
Process exited with code 255.
preferences:
141.22 ms | 401 KiB | 176 Q