PHP has built-in one way hashing using the md5 function. Additional encryption capabilities are available using the Mcrypt extension.
Most online programming services will charge for PHP programming service. However, there are many free PHP programming tutorials available.
Usually <?php ... ?> or <? ... ?>
Classes are not like predefined functions-there are quite a lot of functions, a class is similar to creating your own function - on a very basic level please do not swamp me with lists of the differences between a class and a function I already know! - anyway, anything predefined within php will be available to view in the PHP manual - downloadable from the php website and is part of the php package. but to save you a bit of time here are a list of pre-defined classes (or rather resevered words that are classes): http://php.net/manual/en/reserved.classes.php
Ratinonal program in php
On earlier versions of PHP, when PHP sleep was called on Windows machines, it returned an error. The command can also be interrupted by the Operating System.
PHP programming is a scripting language. This scripting language can be used in web page development. In addition, PHP commands can be embedded into an HTML document. PHP software is available at no cost.
PHP is a cross platform programming language, it is (in theory) available on any operating system.
There are many free PHP editors available online. You can check out the Free PHP Editor website, or download "Davor's PHP Editor". If you need one for Mac OSX, try Netbeans.
Most online programming services will charge for PHP programming service. However, there are many free PHP programming tutorials available.
Many jobs can use PHP, a lot of gaming companies around the United States are looking for PHP programmers. Zynga may or may not still be looking for it, and Facebook as well.
There are lots of PHP script in market which you can easily customize as per your requirement. Some of the best PHP scripts available at reasonable price can be found on this website
Encryptions
Php can run on windows 7, but it does not run directly on it. PHP is a server side-language that runs on Apache. So in order to use PHP on windows 7, you need to install Apache on it. You can do this by installing WAMP server on your windows 7 machine. PHP will automatically be available to you once installed.
It means that the source code of PHP (not PHP code, but the C/C++ code used to build the PHP binary) is published and available to anyone. It also means that anyone can contribute fixes and improvements to the source code.Read more here: open-source
One can purchase a PHP DOM manual from stores like eBay or Amazon. One can look at other customer's review before buying in order to get the best item. Though there are PHP DOM manuals available online for free from PHP website.
CGI,asp.net,PHP,JSP
One can find a manual for the PHP mail functions on the PHP Mail website. One can read it online or print it out to read as a hard copy. The manual is also available on the 'NuSphere' website.