PHP Operators

arithmetic

bitwise

null coalescing

$a ?? $b

Null coalescing operator

Return the left variable if it's set and not null, otherwise return the right value.

Tags
Related
$a ??= $b 
$name = null;
'Hey, ' . ($name ?? 'buddy'); // "Hey, buddy"

// "Hey, Cassian!"
$name = 'Cassian';
'Hey, ' . ($name ?? 'buddy'); // "Hey, Cassian"

comparison

logical

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.