PHP - Manual: MongoDB\BSON\Decimal128::__construct
2024-11-15
(mongodb >=1.2.0)
MongoDB\BSON\Decimal128::__construct — Construct a new Decimal128
$value
= ?)注意: MongoDB\BSON\Decimal128 is only compatible with MongoDB 3.4+. Attempting to use the BSON type with an earlier version of MongoDB will result in an error.
value
(string)A decimal string.
value
is not a valid decimal string.示例 #1 MongoDB\BSON\Decimal128::__construct() example
<?php
var_dump(new MongoDB\BSON\Decimal128(1234.5678));
var_dump(new MongoDB\BSON\Decimal128(NAN));
var_dump(new MongoDB\BSON\Decimal128(INF));
?>
以上例程的输出类似于:
object(MongoDB\BSON\Decimal128)#1 (1) { ["dec"]=> string(9) "1234.5678" } object(MongoDB\BSON\Decimal128)#1 (1) { ["dec"]=> string(3) "NaN" } object(MongoDB\BSON\Decimal128)#1 (1) { ["dec"]=> string(8) "Infinity" }
官方地址:https://www.php.net/manual/en/mongodb-bson-decimal128.construct.php