php涓璪cmul鍑芥暟鎬庝箞浣跨敤
扬州沐宇科技
2024-01-18 15:27:00
PHP
鍦╬hp涓紝bcmul鍑芥暟鐢ㄤ簬瀵逛袱涓换鎰忕簿搴︽暟瀛楄繘琛屼箻娉曡繍绠椼€傚畠鐨勪娇鐢ㄦ柟寮忓涓嬶細
string bcmul ( string $left_operand , string $right_operand [, int $scale = 0 ] )
鍏朵腑锛?left_operand鍜?right_operand鍙傛暟鏄鐩镐箻鐨勪袱涓暟瀛楋紝瀹冧滑蹇呴』浠ュ瓧绗︿覆褰㈠紡浼犻€掋€?scale鍙傛暟鍙€夛紝鐢ㄤ簬鎸囧畾缁撴灉鐨勫皬鏁颁綅鏁帮紝榛樿涓?锛岃〃绀烘病鏈夊皬鏁颁綅銆?/p>
涓嬮潰鏄竴涓娇鐢╞cmul鍑芥暟鐨勪緥瀛愶細
$num1 = "2.5";
$num2 = "3.14";
$result = bcmul($num1, $num2, 2);
echo $result; // 杈撳嚭7.85
鍦ㄤ笂闈㈢殑渚嬪瓙涓紝鎴戜滑灏嗕袱涓暟瀛?quot;2.5"鍜?quot;3.14"鐩镐箻锛屽苟灏嗙粨鏋滀繚鐣欎袱浣嶅皬鏁般€傛渶鍚庤緭鍑虹粨鏋滀负"7.85"銆?/p>
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