PHP Logical Operators, And, Or, Xor, Not Operator

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PHP Logical Operators

Tutorials »Php »

Topic

What are the Logical Operators?

Explanation

Logical Operators are used to evaluate several expressions, by combining their possible values.Following table lists some of the Logical Operators

Example	Name	Result
$a and $b	And	TRUE if both $a and $b are TRUE.
$a or $b	Or	TRUE if either $a or $b is TRUE.
$a xor $b	Xor	TRUE if either $a or $b is TRUE, but not both.
! $a	Not	TRUE if $a is not TRUE.
$a && $b	And	TRUE if both $a and $b are TRUE.
$a \|\| $b	Or	TRUE if either $a or $b is TRUE.

In the above table || has higher precedence to "or", likewise && has higher precedence to "and" operator.

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