本课内容目前为英文。
Never trust input
A comment box, a sign-up form, a search field: every value a visitor sends is just text that they chose. Safe PHP validates input on the way in and escapes it on the way out.
本课内容目前为英文。
A comment box, a sign-up form, a search field: every value a visitor sends is just text that they chose. Safe PHP validates input on the way in and escapes it on the way out.