How to Stop Inappropriate Contents to Insert in Database (PHP)

Hi,

Created a website for my client https://www.jeenmount.com/ and client need to see what people searching for on his site. So we are inserting each search in database or increase number of search if Key already exist there.

My issue is inappropriate search like below

">alert(String.fromCharCode(88,83,83))
place for destination wedding'A=0
pink city mall in jaipur" or (1,2)=(select*from(se
pink city mall in jaipur99999' union select unhex(
heritage wedding resort hotel jaipur"...

How to Stop Inappropriate Contents to Insert in Database (PHP)

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