<div>
there are 2 global arrays $_GET and $_POST<br />
<br />
if you looking for some field name, let's say 'submit' you may check which of $_GET['submit'] or $_POST['submit'] is defined
</div>


there are 2 global arrays $_GET and $_POST

if you looking for some field name, let's say 'submit' you may check which of $_GET['submit'] or $_POST['submit'] is defined

<div>
PHP up to version 4.3.0 the arrays name was $HTTP_SERVER_VARS ... the rest is the same.
</div>


PHP up to version 4.3.0 the arrays name was $HTTP_SERVER_VARS ... the rest is the same.

<div>
<div class="content wysiwyg-content">
How do I determine whether I am GETting from a form (i.e. first time called) or being POSTed from a form(the user caused a submit)?
</div>
</div>


How do I determine whether I am GETting from a form (i.e. first time called) or being POSTed from a form(the user caused a submit)?

GETting or POSTing a form

PHP is a widely-used server-side scripting language especially suited for web development, powering tens of millions of sites from Facebook to personal WordPress blogs. PHP is often paired with the MySQL relational database, but includes support for most other mainstream databases. By utilizing different Server APIs, PHP can work on many different web servers as a server-side scripting language.