Why 'IF' condition return true for the 0 compared to string in PHP? and how the string parsed as zero?
1736
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
90598
PHP considers null is equal to zero
39485
Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b')
98704
Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
37436
In PHP, 0 (int, zero) is equal to "first" or "last" (strings)?
120580
What does "=>" mean in PHP?
94418
Where do we use the object operator "->" in PHP?
118470
Javascript string/integer comparisons
156604
Why does "true" == true show false in JavaScript?
73203
String-bool comparsion - why?
65694
What is the difference between NULL, '\0' and 0?
8783
How to convert string to boolean php
80494
Simple PHP strpos function not working, why?
27495
Why is True returned when checking if an empty string is in another?
114378
How to check if the string is empty?
22602
Why is == true for some Integer objects?
32293
What's the difference between if(!$variable) and if(isset($variable))?