php Functions

php Functions

Php has more function which are listed below and small description also mentioned . 

==>  foreach (food as element => innerarray)

==>  include "header.php"

==>  require "header.php" --> It kill hte page when the require statement not give 

==>  reqiore-once 'header.php'--> It will run only one time. 

==>  preg-match ('/word/', string)-->to check the world in string 

==> $_GET['var name']

==>  strpos(string,find string)

==>  substr-replace(string, startpos, end pos)

==>  str-replace(replace for, replace at, string)

==>  str-ireplace( replace for , replace at , string)

Forums actions

$_SERVER[HTTP-HOST];

$_SERVER[HTTP-CLIENT_IP];

$_SERVER['HTTP-X_FORWARDED_FOR'];

$_SESSION

Set session

session-start(); 

$_SESSION['name']='alex';

Unset session

unset($SESSION['name']);