PHP Operators

arithmetic

bitwise

$a <<= $b

Bitshift left assignment

Apply a binary "bitshift left" operation and assign the first variable to the result.

Tags
Related
$a << $b$a >>= $b 
// Binary representation of 5: 00000101
$a = 5; 

// returns binary result: 00010100
$a <<= 2;

// $a is also updated to binary result 00010100
$a;

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.