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get_resource_type
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get_resource_type

Name

get_resource_type — Finds the type of a resource.

Synopsis

string gettype(resource); resource resource: Resource to find the type of

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.

Example

Example 1382. 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')), "\n",
     get_resource_type (opendir ('.')), "\n";

?>

Output:
mysql link
mysql result
file
dir

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.