Description:
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enchant_dict_check() is document (and behaves) like this:

bool enchant_dict_check  ( resource $dict  , string $word  )
If the word is correctly spelled return TRUE, otherwise return FALSE 

However, the example on quite some pages seem to suggest that enchant_dict_check() once return an integer indicated some number of spelling errors. The result of enchant_dict_check() is used in an if($result), effectively preventing the example from actually working because on wrong spelled words the $result if false.

The examples on these pages thus seem incorrect to me:
http://php.net/manual/en/ref.enchant.php
http://php.net/manual/en/function.enchant-dict-suggest.php