Learn PHP: Operators

Ternary conditional operator in PHP?

what is the output here?
< ?php var_dump(0 == "a"); ?>
a) false
b) true
c) error
d) declaration error

< ?php
$x = 3 - 5 % 3;
echo $x;
?>

A. 2
B. 1
C. Null
D. True
E. 3

what the difference between the ‘BITWISE AND’ operator and the ‘LOGICAL AND’ operator?

What are the two main string operators?

What does the array operator ‘===’ means?

What is the differences between $a != $b and $a !== $b?

What is the answer of following code
echo 1< 2 and echo 1 >2 ?

Output of the given code are given below:
echo 1<2output: 1echo 1>2

What is the value of $a?    

What is the best all-purpose way of comparing two strings?