Expressions: Logical Operations #

Logical And #

Logical and can be used to evaluate two expressions using the && operator, followed by the expression to evaluate to the right.

$foo = $bar && $baz;

Logical Or #

Logical or can be used to evaluate two expressions using the || operator, followed by the expression to evaluate to the right.

$foo = $bar || $baz;

Logical Not #

Logical not can be used to evaluate an expression using the ! operator.

$foo = !$bar;