All server scripting language speak about it self, why it is secured. Individual perceptions varies on secure ness of a one particular server scripting language.
A programmer's focus is the areas of activities/actions he has to undertake as per the security specification for a particular scripting language to make it secured. It may be PHP,ASP or JSP.
Both are server side languages and both are more or less secure. End User can only see the output of both, not the actual code
Now a days most of the companies are getting php development technology to develop their websites.But php is still not a very secure language compare to others like java and dot net. Need more assistant visit : glitzymedia.com/web-development-services/
It's a secure content management system, so yes. If you're referring to the word 'nuke' in the name, then you should do more research :)
Php
No, you are better using the correct type ie: $_POST or $_GET
PHP is a web programming language . It is majorly used in web applications. \ It is used for creating dynamic webpages that interact with the user . PHP offers many advantages; it is fast, stable, secure, easy to use and open source
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 is much more common than ASP, although ASP is the runner-up.
The first thing to check is that the server has a backend for the PHP mailing functions to use. Sendmail is often not installed on webservers, because it's not needed, and just makes for a less secure environment, and more work for the Admin.
Use the post method as far as possible. It encrypts the requests and then sends it to the server. Comparatively you could say it is more secure.
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
PHP is powerful language platform to develop dynamic, functional website. PHP is more preferable for eCommerce Web Development.