Php/docs/function.mongodb.bson-fromphp

• PHP Manual
• 函数
• Returns the BSON representation of a PHP value

MongoDB\BSON\fromPHP

(mongodb >=1.0.0)

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

说明

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.

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