Sensitive Field filtering solution

I want to create a system for sensitive field Filtering. I want to filter some fields in the input data. if you have code, send it. thank you. ------ Solution ------------------ declare a Minggang word: & nbsp; $ healthyarray (& quot; fuck & quot;, & quot; fuck & quot;, & quot; operate & quot;); obtain the objective input: $ test & quot; as sensitive field filtering program
I want to create a system to filter some fields in the input data. if you have code, send it. thank you.

------ Solution --------------------
Declare one
Minggang:
$ Healthy = array ("fuck", "fuck", "fuck ");
// Collect the following orders:
$ Test = "asdffuckasdf I fuck shit ..";
$ Tihuan = str_replace ($ healthy, "***", $ test );
Echo $ tihuan;
------ Solution --------------------
Is a simple keyword replacement.