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(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_mul — 数値を乗算する
GMP オブジェクトを返します。
例1 gmp_mul() の例
<?php
$mul = gmp_mul("12345678", "2000");
echo gmp_strval($mul) . "\n";
?>
上の例の出力は以下となります。
24691356000