PHP Operators

arithmetic

$a - $b

Subtraction

Calculate the difference between two numbers.

Tags
Related
-$a$a -= $b--$a$a--$a + $b 
$a = 1 - 3; // -2

bitwise

null coalescing

comparison

logical

strings

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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.