Example of using PHP to filter blacklist keywords

Keyword filtering is very simple. the content to be filtered is stored in an array or a document. when the user submits the content, we can determine whether to use preg_match or istrpos. the specific method is as follows. for example, the code is as follows: filter the blacklist keyword function fu... keyword filtering is very simple. the content to be filtered is stored in an array or a document. when the user submits the content, we can determine whether to use preg_match or istrpos. the specific method is as follows.

For example, the code is as follows:

// Filter the blacklist keyword function

Function check _ ($ data) {$ keywords = "are you a great God | Hello | go to death"; if (preg_match ("/$ keywords/I", $ data )) {return;} else {return $ data ;}}

The keyword is stored in txt and txt files in this form: | gambling machine | selling blood | selling kidney | selling organs | cornea, the code is as follows:

 "; // Var_dump ($ w); // $ words =" aaa | bbb | ccc | ddd | eee "; $ matched = preg_replace ('/'. $ word. '/I', '***', $ string); return $ matched; // open source code phprm.com} $ content = "I want aaafsdfbbb "; if ($ result = Filter_word ($ content ,'. /words.txt ') {echo $ result; echo "replaced successfully";} else {echo "failed to be replaced! ";}

Tutorial link:

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