Difference between executing php from the commandline and from the Http Side

Question

What is the difference between executing php from command line and from HTTP? Do they use the same executable such as (php.exe or php-cgi.exe ( Apache or IIS ))? Do the r

Answer 1

Main difference is argument passing: running from the CLI, you don't have $_GET, $_POST, $_SESSION, etc; so arguments have to be passed as command line parameters and accessed using if $_SERVER['argc'] and $_SERVER['argv'] Watch out for the directory your code is running in and the include path; and make sure you know what php.ini you've loaded. When outputting, HTML markup doesn't render as markup, but displays as < h1> etc.... watch out particularly for
(PHP_EOL is extremely useful) and multiple spaces or tabs actually appear as multiple spaces or tabs rathe rthan a single space. Forget headers() and other http-specific functions