HowTo: Create & Use FTP Account in Cpanel
What is the difference between include() and require() in php
include() and require() function does the same process of calling a php or html or js file.
When the included file (i.e., calling a file) is missing in its actual directory, then require() function will returns FATAL ERROR and include() function will return WARNING.
Read: what is the use of include() and require() in php
include_once() function will include a file only when that file is not included before. This function is the recommended for including files, because including a file more than once will arise ERROR
require_once() function performs the same operation performed by
what is difference between mysql_fetch_array(), mysql_fetch_row(), mysql_fetch_assoc() and mysql_fetch_object() in php
what is the use of include() and require() in php
include() and require() are used to call the php files, this functions are used when a file is needed by more than one or two php files
For including file, code reuse
For example:
index.php
[code type=html]
<html>
<head>
<title>Tobbynews</title>
</head>
<body>
<?php
echo “welcome”;
?>
</body>
</html>
[/code]
This html codes are used in almost all php files, so we have to include this code in separate file and call that files where we wanted
[code type=html]
<html>
<head>
&l
LVM Configuration in RHEL5
partition, which has been created is fixed in size. LVM (Logical Volume Manager) configuration is used to extend the partition.
Create partition
#fdisk -l
#fdisk /dev/sda
:n // n means new partition creation
:l // l means logical partition
+500M
:t ( toggle 't' convert one partition to another)
LVM conversion code: 8e // for linux LVM
:w // save
#partprobe | sync
creating physical volume, PV- Physical Volume
Here sda8 is the partition, which is create by above step
#pvcreate /dev/sda8
Creating volume group, VG - Volume Group
#
Multiple DNS Configuration in Redhat
User Registration form in PHP and MySQL
PHP Cookies
cookies are used to store the data in browser.
Cookies of the webpage should be created before the HTML tag. Therfore setcookie(); function will be used first of the webpage.
[code type=php]
<?php
setcookie(name, value, expire, path, domain);
?>
[/code]
Here setcookie(); function will create a cookie with name “tobby” , value as “tobby cook” and expires after 1 hour from the time of creation.
time()+3600 will makes the cookie to be expire in 1 hour i.e., 60 seconds * 60 minutes
[code type=php]
<?php
setcookie("Tobby", "tobby coo
Session function in php
session_start(); is the function should be called in the page, which using session variables. i.e., If session variable is using in a page then we should have to use session_start() function
session_start(); function should be placed before <html> starting tag, it should be present on top of the page.
Here, session variable "value" is created in index.php, then we can use that session "value" in any page of the website.
[code type=php]
<?php
session_start();
?>
<html>
<body>
$_SESSION['value']="hai";
echo $_SESSION['value'];
</body&g
DNS Configuration in Redhat Linux
