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<?php $vocabolario = array("la", "mia", "una", "prova", "con", "del", "testo"); function textCheck($text, &$vocabolario) { return preg_replace_callback('#(?!<.*?)\w+(?![^<>]*?>)#', function ($word) use ($vocabolario) { $word = $word[0]; if (preg_grep( "/".preg_quote($word)."/i" , $vocabolario)) { return $word; } return '<u>'.$word.'</u>'; }, $text); } echo textCheck("La mia è UNA provaa con del testo: <a href='http://pippo.it'>html</a>.", $vocabolario);
Output for git.master, git.master_jit, rfc.property-hooks
La mia è UNA <u>provaa</u> con del testo: <a href='http://pippo.it'><u>html</u></a>.

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