(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)
get_resource_type — Returns the resource type
This function gets the type of the given resource.
resourceThe evaluated resource handle.
If the given resource 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 null and generate an error if
resource is not a resource.
Example #1 get_resource_type() example
<?php
$fp = fopen("foo", "w");
echo get_resource_type($fp) . "\n";
?>Output of the above example in PHP 7:
stream