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run code in 150+ php & hhvm versions
Bugs & Features
<?php $file='abactor abaculus abacus Abadite'; $result = []; foreach(str_split($file) as $char) { $result[$char]=isset($result[$char]) ?'*'.$result[$char] :$char; } print_r($result);
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
Array ( [a] => ******a [b] => ***b [c] => **c [t] => *t [o] => o [r] => r [ ] => ** [u] => **u [l] => l [s] => *s [A] => A [d] => d [i] => i [e] => e )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/aIr6C on line 8
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
Parse error: parse error, unexpected '[' in /in/aIr6C on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/aIr6C on line 8
Process exited with code 255.