php why does 0 == 'somestr' evaluate to true
1736
How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators differ?
22602
Why is == true for some Integer objects?
4772
Difference between "not equal" operators  and != in PHP
111655
What is the difference between single-quoted and double-quoted strings in PHP?
109567
How does operator  work when comparing two strings?
110074
What is the difference between == and equals() in Java?
133763
Why is PHP not replacing the variable in string?
132682
What does a leading zero do for a php int?
32293
What's the difference between if(!$variable) and if(isset($variable))?
14596
Are PHP Variables passed by value or by reference?
32367
How to evaluate formula passed as string in PHP?
36686
Comparing strings with == which are declared final in Java
48791
How do I examine defined constants in PHP?
153624
What's the difference between is_null($var) and ($var === null)?
33398
C# difference between == and Equals()
9173
What are the PHP operators "?" and ":" called and what do they do?
65118
PHP: strtotime is returning false for a future date?