Description
resource
gmp_sub ( resource a, resource b)
Subtracts b from a
and returns the result.
例子 1. gmp_sub() example
<?php
$sub = gmp_sub("281474976710656", "4294967296"); // 2^48 - 2^32
echo gmp_strval($sub) . "\n";
?>
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The printout of the above program will be:
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