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PHP variant_or

PHP original manual for variant_or [ show | php.net ]

variant_or

(PHP 5, PHP 7)

variant_or — Performs a logical disjunction on two variants

Description

mixed variant_or ( mixed $left , mixed $right )

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

Parameters

left

The left operand.

right

The right operand.

Note:

As with all the variant arithmetic functions, the parameters for this function can be either a PHP native type (integer, string, floating point, boolean or NULL), or an instance of a COM, VARIANT or DOTNET class. PHP native types will be converted to variants using the same rules as found in the constructor for the VARIANT class. COM and DOTNET objects will have the value of their default property taken and used as the variant value.

The variant arithmetic functions are wrappers around the similarly named functions in the COM library; for more information on these functions, consult the MSDN library. The PHP functions are named slightly differently; for example variant_add() in PHP corresponds to VarAdd() in the MSDN documentation.

Return Values

Variant OR Rules
If left is If right is then the result is
TRUETRUETRUE
TRUEFALSETRUE
TRUENULLTRUE
FALSETRUETRUE
FALSEFALSEFALSE
FALSENULLNULL
NULLTRUETRUE
NULLFALSENULL
NULLNULLNULL

See Also

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