PHP shorthand for isset()?
42004
What is the PHP shorthand for: print var if var exist
58343
startsWith() and endsWith() functions in PHP
114378
How to check if the string is empty?
93409
Any way to specify optional parameter values in PHP?
49486
Problem with $_POST, if isset() and mysql_fetch_assoc(): echo returns correct value, page source always returns else value
37909
Understanding nested PHP ternary operator
37436
In PHP, 0 (int, zero) is equal to "first" or "last" (strings)?
130637
How can I check if a word is contained in another string using PHP?
5377
Is there a standard function to check for null, undefined, or blank variables in JavaScript?
52972
Detecting request type in PHP (GET, POST, PUT or DELETE)
130401
Is it possible to skip parameters that have default values in a php(5) function call?
14704
How to detect if a variable is an array
63372
see if a variable equals any other variables in a list php
34563
Why does PHP consider 0 to be equal to a string?
32293
What's the difference between if(!$variable) and if(isset($variable))?
145656
Weak typing in PHP: why use isset at all?
60338
Null vs. False vs. 0 in PHP