gmp_or
    (PHP 4 >= 4.0.4, PHP 5)
gmp_or -- Logical OR
Description
resource 
gmp_or ( resource a, resource b )
     Calculates logical inclusive OR of two GMP numbers.
    
Example 1. gmp_or() example 
<?php $or1 = gmp_or("0xfffffff2", "4"); echo gmp_strval($or1, 16) . "\n"; $or2 = gmp_or("0xfffffff2", "2"); echo gmp_strval($or2, 16) . "\n"; ?>
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      The printout of the above program will be:
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