Php if($var) used to work...

Taking integer value from URL using PHP...

Redundant condition in PHP code or not?...

Check if only one GET Parameter is Defined?...

isset($_Post) not getting values from Mail Form...

How to stop empty submits from posting to database?...

if isset or empty equals var...

isset() function always returns true...

Using isset() to validate whether a user is logged in on a website...

What is the proper way to test CodeIgniter session variable?...

PHP isset multidimensional array, variable for key in first dimension of array...

Unfilled form inputs act like filled on processing PHP page...

PHP 5.4-specific ISSET query regarding $_GET. $_POST Superglobals...

PHP: similar functionality of a jQuery $(this)?...

How to check whether the user is logged in?...

How to use isset to check multiple values within a array in php?...

How to detect when "0" is supplied as a form/$_POST value?...

PHP remeber checked checkboxes...

POST not working with no signs of error...

Failed insert into database...

Javascript isset function...

Laravel Isset errors displaying []...

PHP - how to get rid of "Undefined index"...

Too many redirects...

.php?title=test to echo "test";...

php isset minus two variables...

Why on earth do $_GET and $_POST return true when they're empty?...

php !isset and empty not working...

Is this login code right, because it doesn’t seem to work...

Why does checking if a variable exists only return a 1 or 0 instead of the value?...