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This document uses PHP Chinese website manual Release
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_abs — Absolute value
$a
)Get the absolute value of a number.
a
可以是一个 GMP 数据 resouce ,或一个可以转换为数值的字符串。
Returns the absolute value of a
, as a GMP number.
Example #1 gmp_abs() example
<?php
$abs1 = gmp_abs ( "274982683358" );
$abs2 = gmp_abs ( "-274982683358" );
echo gmp_strval ( $abs1 ) . "\n" ;
echo gmp_strval ( $abs2 ) . "\n" ;
?>
以上例程会输出:
274982683358 274982683358