gmp_abs
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_abs — Absolute value
返回值
Returns the absolute value of num, as a GMP number.
示例
示例 #1 gmp_abs() example
<?php
$abs1 = gmp_abs("274982683358");
$abs2 = gmp_abs("-274982683358");
echo gmp_strval($abs1) . "\n";
echo gmp_strval($abs2) . "\n";
?>以上示例会输出：
274982683358 274982683358
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