MongoDB\BSON\fromPHP

(mongodb >=1.0.0)

MongoDB\BSON\fromPHP — Returns the BSON representation of a PHP value

MongoDB\BSON\fromPHP ( array|object $value ) : string

Serializes a PHP array or object (e.g. document) to its » BSON representation. The returned binary string will describe a BSON document.

The serialized BSON document as a binary string.

Throws MongoDB\Driver\Exception\UnexpectedValueException if the PHP value cannot be converted to BSON. Possible reasons include, but are not limited to, encountering an unexpected MongoDB\BSON\Type instance or MongoDB\BSON\Serializable::bsonSerialize() failing to return an array or stdClass.

Example #1 MongoDB\BSON\fromPHP() example


<?php

$bson = MongoDB\BSON\fromPHP(['foo' => 1]);
echo bin2hex($bson), "\n";

?>

以上例程会输出：

0e00000010666f6f000100000000cat

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