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PHP-Http Environment Variables
A Web browser makes a request of a Web server, it sends along with
the request a list of extra variables. These are called environment
variables, and they can be very useful for displaying dynamic
content or… Read More
PHP-Mail Functions
PHP contains two dedicated mail functions, which are built into
PHP by default. The mail() function allows for the sending of email
directly from a script, and ezmlm_hash() provides a hash calculation
useful for interf… Read More
PHP-HTTP and Sessions-Maintaining State
HTTP has no mechanism to maintain state; thus HTTP is a context-free or stateless protocol. Individual requests aren't related
to each other. The Web server and thus PHP can't easily distinguish between
single users and… Read More
How to create a thumbnail-PHP code
To create a thumbnail, you pass the function PIPHP_MakeThumbnail()a GD image object and the maximum value of the greater dimension for the thumbnail. For example, the following code loads in the image in test.jpgusing the … Read MoreGenerating a PDF document-PHP
Generating a PDF document
<?php
// These values are in points (1/72nd of an inch)
$fontsize = 72; // 1 inch high letters
$page_height = 612; // 8.5 inch high page
$page_width = 792; // 11 inch wide page
… Read More
PHPGTK-application window
PHPGTK is an extension to PHP that allows you to create
graphical user interface (GUI) applications. Instead of running in a browser,
your PHP application runs in its own application window. These applications are
clie… Read Morephp-Data Types
Data Types
PHP provides four primitive data types: integers, floating
point numbers, strings, and booleans. In addition, there are two compound data
types: arrays and objects.
Integers
Integers are whole num… Read More
What is an array?
An array is a variablethat stores more than onepiece of related data in a single variable. Thinkof an array as a box of chocolateswith slotsinside. The box representsthe arrayitself whilethe spacescontaining chocolates rep… Read MorePHP-script-Related Variables
PHP-script Related Variables
PHP automatically creates variables for all the data it
receives in an HTTP request. This can include GET data, POST data, cookie data,
and environment variables. The variables are e… Read More
PHP-Array Functions -list(),each(), and count().
list() is sort of an operator, forming an lvalue (a
value that can be used on the left side of an expression) out of a set of
variables, which represents itself as a new entity similar to an element of a
multidimension… Read More
PHP Online Resources
The major sites that use PHP, and a listing of all the books written on PHP. Not
only does this site contain a plethora of resources, it also contains links to
the other PHP sites, the latest news about all things PHP
… Read MorePHP-max_execution_time
php.ini Directives Related to the
Connection-Handling Functions
The following configuration directives can be used to control
the behavior of the connection-handling functions.
Directive Name
Value Type
Descri… Read MoreMake a PHP session code
Make a PHP session code
session_start
int session_start(void)
Initializes a session.
Returns:
Always returns TRUE
Description:
Initializes a session. If a session ID is sent as a
GET or in a cookie and is … Read MorePHP and Javascript Variables
Variables
To define a variable in PHP, you’d write:// PHP$n = 1;The equivalent in JavaScript is:// JavaScriptvar n = 1;
There’s no dollar sign, just the name of the variable.
Like in PHP, you don’t define variable… Read MoreNetworking Functions-PHP
When using the PHP binaries for Windows that are available from
http://php.net/, the getprotobyname(),
getprotobynumber(), getservbyport(), and
getservbyname() may not function as anticipated under Windows
2000.
D… Read More