if i got your question right, you mean "what are php tags?"
your should write PHP codes between
<?php ... ?>
where ... should be replaced by codes that you need.
But if you mean "what are php codes?": there are some default codes that you may find them on php.net, and the other part is codes (Functions or classes) that other programmers develops..
PHP 6 hasn't been released yet.
To learn PHP it is best to read a few tutorials and then start trying out the things you read about. For instance, make a program that does some calculations and then prints the result on the screen. A good tutorial to start with can be found on: http://w3schools.com/php/default.asp or http://www.geekatude.com/PHP or http://php.net or http://www.phpmysqlbrain.com You can install the things in your local system , and then by referring the above websites try to write codes and see the results.
PHP is a recursive acronym for "PHP: Hypertext Preprocessor" created by The PHP Group. PHP is a widely used server-side scripting language and the general purpose of PHP is to create dynamic Web Pages. For more information, visit the PHP website.
"PHP: Hypertext Preprocessor".
< ?php // This is an example of comment in PHP /* This is another example of comment in PHP and we can write comments in multiple lines using this method */ ? >
Ratinonal program in php
Your question is very vague, The PHP Codes as you call them could be referring to the server-side code written in PHP that a website uses. for more information about PHP go to php.net
You can use the GD extension for PHP to edit image files.
PHP 6 hasn't been released yet.
using servlets, php, and database we can connect import codes into java
You can find PHP documentation on the official PHP website at php.net. The website has comprehensive documentation on PHP functions, classes, and features, as well as user-contributed notes and examples.
Server-base language mean code you write will be processed on server instead of client, ex: when you request a page from server (a php page) it will be first processed on server then server will send you result of codes.. it means you won't see php codes on the page only result of it.
One can find information and tutorials on Cart PHP by viewing videos on video sharing webpages, such as Youtube. Alternatively, one can try sites such as Quality Codes for a tutorial.
Follow this link. It explains how to pull the codes without a code reader. http://nissanhelp.com/diy/common/nissan_engine_codes_read_2.php
go to http://arcentral.net/Codes/NTSC/Naruto_Clash_of_Ninja_2.php and there you go.
I think this is what you are looking for. go here and see. http://www.poqbum.com/tutorials/customize_text_4.php
Answer: Php 2510% of Php 250= 10% * Php 250= 0.10 * Php 250= Php 25