variant_or

(PHP 5, PHP 7)

variant_or — Performs a logical disjunction on two variants

说锟斤拷

variant_or ( mixed $left , mixed $right ) : mixed

Performs a bitwise OR operation. Note that this is slightly different from a regular OR operation.

锟斤拷锟斤拷

left: The left operand.
right: The right operand.

Note:
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锟斤拷锟斤拷值

**Variant OR Rules**
If `left` is	If `right` is	then the result is
`TRUE`	`TRUE`	`TRUE`
`TRUE`	`FALSE`	`TRUE`
`TRUE`	`NULL`	`TRUE`
`FALSE`	`TRUE`	`TRUE`
`FALSE`	`FALSE`	`FALSE`
`FALSE`	`NULL`	`NULL`
`NULL`	`TRUE`	`TRUE`
`NULL`	`FALSE`	`NULL`
`NULL`	`NULL`	`NULL`

锟轿硷拷

variant_and() - Performs a bitwise AND operation between two variants
variant_xor() - Performs a logical exclusion on two variants