Home » Interview Questions

Links

Interview Questions - PHP Interview Questions


How many HTTP headers will send to a web page(client side) from server when you use sessions (session_start()) in php ?.

There are three HTTP headers included in the response:

Expires: Thu, 19 Nov 1981 08:52:00 GMT

what are the advantages of storing sessions in database?


If you store a session in a database you have several advantages:

@ Improving the security because on many hosting packages (shared host)

How to get the contents of a web page using php?

you can achieve this using curl in php

see the example below.

function curl_get_con_url($url, $user_agent = '', $referer = '') {

what are the security tips you should know before developing php/mysql web pages ?

1. Do not trust user input.
2. Validate user input on the server side.
3. Do not use user input directly in your MySQL queries.

what are the database space-saving functions available in php ?

# Use ip2long() and long2ip() to store the IP adresses as Integers instead of storing them as strings, which will reduce the space from 15 bytes to 4 bytes.


123456789next ›last »