In some tutorial i have read that we can filter meta characters and all that. I know all about that. in that tutorial there were written like this.
People who attack site with script, its basic format is like this.
alert("Hi") So the special characters, which are used are shown below. < > ( ) " /
so in that tutorial its written like this you can convert this character as per your input. Like
< = &bc < = &mb
and so on. Then how to convert this special characters like this what should i have to write in code?