PHP session timeout : Typically the default is 24 minutes (1440 seconds)
Total Super Global Variables In PHP : 8
In PHP: == Operator checks only value of variables whereas === operator check’s value as well as data type of the variable.
PHP Handles XML through the expat c library
In PHP, the word “and” is used as an operator.
To check whether your script has already sent headers then headers_sent() function can be used.
To work with remote files in PHP you need to enable allow_url_fopen