<?php$resource = gmp_sqrt ( "1524157875019052100" // resource $a);// shows the result$string = gmp_strval($resource);?>
$resource = 'GMP instance' $string = '1234567890'
'GMP instance'
'1234567890'
#1
gmp_sqrt
("9")
#2
("7")
#3
("1524157875019052100")