PHP: PHP 5.3.0 Release Announcement
https://www.php.net/releases/5_3_0.php
The PHP development team is proud to announce the immediate release of PHP 5.3.0. This release is a major improvement in the 5.X series, which includes a large number of new features and bug fixes.
PHP: Releases
https://www.php.net/releases/index.php
PHP 8.0.3 Released!
What's new in PHP 5.3? Article - SitePoint
https://www.sitepoint.com/whats-new-php-5-3/
PHP 6 is just around the corner, but for developers who just can't wait, there's good news — many of the features originally planned for PHP 6 have been back-ported to PHP 5.3, a final stable release of...
php 5.3 - What is ?: in PHP 5.3? - Stack Overflow
https://stackoverflow.com/questions/2153180/what-is-in-php-5-3
Since PHP 5.3, it is possible to leave out the middle part of the ternary operator. Expression expr1 ?: expr3 returns expr1 if expr1 evaluates to TRUE, and expr3 otherwise.
GitHub - lekoder/docker-apache-php-5.3: Apache + PHP5.3 for legacy...
https://github.com/lekoder/docker-apache-php-5.3
PHP 5.4, despite being a minor update, introduced a series breaking changes in PHP language. This docker image aims to fix the problem, providing PHP 5.3 environment for legacy applications.
PHP - Wikipedia
https://en.wikipedia.org/wiki/PHP
PHP is a general-purpose scripting language especially suited to web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1994.
Old Version of PHP 5.3.5 Download - OldApps.com
https://www.oldapps.com/php_programming_language.php?old_php=35
PHP is supported on many platforms. Please refer to PHP documentation for further help. Version History of PHP 5.3.5. Fixed bug #53632 (PHP hangs on numeric value 2.2250738585072011e-308).
Installing PHP 5.3, Nginx And PHP-fpm On Ubuntu/Debian
https://www.howtoforge.com/installing-php-5.3-nginx-and-php-fpm-on-ubuntu-debian
If php5-fpm is not running, your PHP files cannot be parsed and nginx will show the user an error page. Well, I guess we're done and you are now able to serve PHP with your new nginx based webserver.
PHP Introduction
https://www.w3schools.com/php/php_intro.asp
PHP is easy to learn and runs efficiently on the server side. What's new in PHP 7. PHP 7 is much faster than the previous popular stable release (PHP 5.6). PHP 7 has improved Error Handling.
How to Upgrade PHP 5.3.x to 5.4.x or 5.5.x on CentOS
http://www.servermom.org/upgrade-php-53-54-55-centos/1534/
A guide to successfully upgrade PHP version from 5.3.x to 5.4.x or 5.5.x on CentOS using yum command (CLI). Tutorial with pics suitable for beginners.
Upgrade PHP 5.1/5.2 to 5.3 on CentOS :: Chris Jean
https://chrisjean.com/upgrade-php-5-1-or-5-2-to-5-3-on-centos/
When I started, my system ran CentOS 5.5 and PHP 5.2.16. Now it is running CentOS 5.6 and PHP 5.3.3. You won't be able to follow these steps without root access, so that is definitely a requirement.