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(PHP 5)

variant_and --  performs a bitwise AND operation between two variants and returns the result

Description

mixed variant_and ( mixed left, mixed right )

Performs a bitwise AND operation, according to the following truth table; note that this is slightly different from a regular AND operation.

Table 1. Variant AND Rules

If left is If right is then the result is TRUE TRUE TRUE TRUE FALSE FALSE TRUE NULL NULL FALSE TRUE FALSE FALSE FALSE FALSE FALSE NULL FALSE NULL TRUE NULL NULL FALSE FALSE NULL NULL NULL

Related Function(s)

variant_or()