MongoDB\BSON\fromPHP

(mongodb >=1.0.0)

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

说明

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

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

参数

value ( array|object ): PHP value to be serialized.

返回值

The serialized BSON document as a binary string.

错误／异常

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.

范例

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

参见

MongoDB\BSON\toPHP() - Returns the PHP representation of a BSON value
» MongoDB BSON
Persisting Data