and what if $_GET['id'] is something like
"1; DROP TABLE tb_emails;"
??

SQL injection just waits to happen

I think tha tit will be too much of a hacker effort just to kill a table of contact emails, and also he will have to guess ( is there other way ? ) the table name, but just to be on a safer side:

- Is there a way to say that id can only be a number ?

something like $id:Number = $_GET['id']?

TIA

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