PHP check ifempty and isset still failing on 0
132987
Fixing the PHP empty function
33974
How does true/false work in PHP?
129071
How can I break an outer loop with PHP?
24725
isset() function is returning true even when item is not set
96560
PHP If Statement with Multiple Conditions
5640
How to check a string against null in java?
132682
What does a leading zero do for a php int?
86719
How to check if file is empty or it has only blank characters?
9434
How do I check if a list is empty?
94839
Check whether a string is not null and not empty
74155
How do I get PHP errors to display?
45486
if statement in loop not working
30554
is_int and GET or POST
145750
mongodb $exists always returning 0
153624
What's the difference between is_null($var) and ($var === null)?
63372
see if a variable equals any other variables in a list php
576
How can I check for an empty/undefined/null string in JavaScript?