(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_invert — Inverse by modulo
$a
, GMP $b
)
Computes the inverse of a modulo
b.
A GMP number on success or FALSE if an inverse does not exist.
Exemplo #1 gmp_invert() example
<?php
echo gmp_invert("5", "10"); // no inverse, outputs nothing, result is FALSE
$invert = gmp_invert("5", "11");
echo gmp_strval($invert) . "\n";
?>
O exemplo acima irá imprimir:
9