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<MongoDB\BSON\Decimal128MongoDB\BSON\Decimal128::jsonSerialize>
^MongoDB\BSON\Decimal128Last updated: Mon, 26 Oct 2026

MongoDB\BSON\Decimal128::__construct

(mongodb >=1.2.0)

MongoDB\BSON\Decimal128::__construct — Construct a new Decimal128

Description

final public function MongoDB\BSON\Decimal128::__construct(string $value)

Note:

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.

Parameters

value (string)

A decimal string.

Errors/Exceptions

Examples

Example #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));

?>

The above example will output something similar to:

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"
}

<MongoDB\BSON\Decimal128MongoDB\BSON\Decimal128::jsonSerialize>
^MongoDB\BSON\Decimal128Last updated: Mon, 26 Oct 2026