I keep getting "undefined" when using the function $_GET in PHP, why is this?
83335
PHP $_GET and $_POST undefined problem
157501
How do I set variables for variable_get()?
53254
Undefined function mysql_connect() error
155294
Pass a JS variable to a PHP variable
59129
Call to undefined method mysqli_stmt::get_result
37735
How can I check for "undefined" in JavaScript?
119201
Why am I getting undefined is not a function when using jquery?
157611
How to access the form's 'name' variable from PHP
8612
Passing PHP variables to an included file?
126004
file_get_html displays Fatal Error Call to undefined function
74155
How do I get PHP errors to display?
56105
Problems executing a condition in php
33662
How to get a variable name as a string in PHP?
86214
if(!isset($_POST["user"]) ignored and returns Undefined Index
14660
Undefined variable as function argument javascript
43644
How can I access an object property named as a variable in php?
61704
How to use variable inside parameter $_GET? example: ($_GET[$my_var])