how phpmysql application secure

[farooq_18]

1) Cross site scripting (XSS)
2) Cross site request forgery (CSRF)
3) SQL injection (SQL)
4) Buffer overflow etc

please guide ma es ko hum kasy use ka rk tu apni phpmysq ki application safe bna skty hai hacker sy secure karni hai

[smspaki]

bhai apko database se value pkrny or send krny k liay php ki command se input filed ko curl, trim, back slash remove wagera wali commands use krni hogi......