(PHP 4 >= 4.0.2, PHP 5)
This function returns a string representing the type of the resource passed to it. If the paramater is not a valid resource, it generates an error.
<?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";?>