Description:
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From manual page: http://www.php.net/function.trim
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This looks like bug in trim function:
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$name = "File_Manager_Remote.en";

$name = trim($name, '.en');

echo  $name;
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Result: File_Manager_Remot

Expected result is: File_Manager_Remote
Trim removes one more unexpected character.


Test script:
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$name = "File_Manager_Remote.en";

$name = trim($name, '.en');

echo  $name;