PHP Functions Essential Reference

get_resource_type

string gettype(resource resource) 

Finds the type of a resource.

Returns:

String containing the resource type name; FALSE on error

Description:

get_resource_type() returns the specific type of a resource. Resources are abstract datatypes representing a handle to a particular system resource, such as file/stream pointers, database connections, and so forth.

If the resource type is not known, Unknown is returned. If the value passed is not a resource, the function will generate a warning and return FALSE.

Version:

PHP 4.0.2+

Example:

Find the type for a variety of resources

<?php echo get_resource_type (mysql_connect ()), "\n", get_resource_type (mysql_query ("SELECT now()")), "\n", get_resource_type (fopen (__FILE__, 'r')), ...