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run code in 150+ php & hhvm versions
Bugs & Features
<?php function change_top_items($array, $top_x) { uasort($array, function($a, $b) { if ($a == $b) return 0; return ($a < $b) ? -1 : 1; }); $compare = array_slice($array, -$top_x); $modified = array_map(function($value) use ($compare) { return in_array($value, $compare) ? 1 : 0; }, $array); ksort($modified); return $modified; } $a = [5, 8, 2, 0, 1, 9, 1, 0, 5, 4]; print_r(change_top_items($a, 5));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => 1 [1] => 1 [2] => 0 [3] => 0 [4] => 0 [5] => 1 [6] => 0 [7] => 0 [8] => 1 [9] => 1 )
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/A1A7R on line 27
Process exited with code 255.
Output for 5.2.3 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/A1A7R on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected T_FUNCTION in <b>/in/A1A7R</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
<br /> <b>Parse error</b>: parse error, unexpected T_FUNCTION in <b>/in/A1A7R</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/A1A7R</b> on line <b>5</b><br />
Process exited with code 255.