(PHP 4 >= 4.0.2, PHP 5)
get_resource_type — Returns the resource type
This function gets the type of the given resource.
The evaluated resource handle.
If the given handle is a resource, this function will return a string representing its type. If the type is not identified by this function, the return value will be the string Unknown.
This function will return FALSE and generate an error if handle is not a resource .
Example #1 get_resource_type() example
<?php
// prints: mysql link
$c = mysql_connect();
echo get_resource_type($c) . "\n";
// prints: file
$fp = fopen("foo", "w");
echo get_resource_type($fp) . "\n";
// prints: domxml document
$doc = new_xmldoc("1.0");
echo get_resource_type($doc->doc) . "\n";
?>