php man page for get_resource_type

GET_RESOURCE_TYPE(3)							 1						      GET_RESOURCE_TYPE(3)

get_resource_type - Returns the resource type

SYNOPSIS
       string get_resource_type (resource  $handle)

DESCRIPTION
	This function gets the type of the given resource.

PARAMETERS
	      o $handle
		- The evaluated resource handle.

RETURN VALUES
	If  the given $handle is a resource, this function will return a string representing its type. If the type is not identified by this func-
       tion, the return value will be the string Unknown.

	This function will return FALSE and generate an error if $handle is not a resource.

EXAMPLES
       Example #1

	      get_resource_type(3) example

	      <?php
	      // prints: mysql link
	      $c = mysql_connect();
	      echo get_resource_type($c) . "
";

	      // prints: stream
	      $fp = fopen("foo", "w");
	      echo get_resource_type($fp) . "
";

	      // prints: domxml document
	      $doc = new_xmldoc("1.0");
	      echo get_resource_type($doc->doc) . "
";
	      ?>

PHP Documentation Group 												      GET_RESOURCE_TYPE(3)