PHP Operators

arithmetic

$a -= $b

Subtraction assignment

Subtract a number and reassign the variable to the new value.

Tags
Related
$a - $b$a += $b 
$a = 2;

$a -= 2; // 0

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.