PHP 0 vs False ambiguity
1736
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
1469
Is there a difference between "==" and "is"?
14596
Are PHP Variables passed by value or by reference?
70585
Why does Assuming[x > 0, TrueQ[x > 0]] return False?
104102
Is C/C++ bool type always guaranteed to be 0 or 1 when typecast'ed to int?
33464
What is the difference between PHP echo and PHP return in plain English?
36525
C++ difference between 0 and 0.0
25566
What do two colons mean in PHP?
108661
In php, is 0 treated as empty?
147155
How to differentiate between if zero conditional and if first conditional?
120580
What does "=>" mean in PHP?
6971
boolean variable values in PHP to javascript implementation
20343
What does {0} mean when found in a string in C#?
37909
Understanding nested PHP ternary operator
131658
What is ?: in PHP 5.3?
56105
Problems executing a condition in php
19448
How do I use the ternary operator ( ? : ) in PHP as a shorthand for "if / else"?