(PECL mongo >= 0.9.0)
Checks if an array is a database reference
public static bool MongoDBRef::isRef ( mixed $ref )
This method does not actually follow the reference, so it does not determine if it is broken or not. It merely checks that ref
is in valid database reference format (in that it is an object or array with $ref and $id fields).
Parameters:
ref
Array or object to check.
Returns:
Returns TRUE
on success or FALSE
on failure.
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