PHP Operators

arithmetic

bitwise

null coalescing

comparison

logical

!$a

Logical not

Cast a value to a boolean and invert it.

Tags
Related
$a && $b$a || $b 
$a = true;
!$a; // false

$b = false;
!$b; // true

strings

What is this? Who are you!?

PHP Operators is a reference guide for operators old and new in the PHP programming language. We're SPATIE, a web development agency from Belgium. Besides client work we like to contribute to the open source community and make fun projects like this one.