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PHP get_resource_type() Function

❮ PHP Variable Handling Reference

Example

Return the resource type:

<?php
$file = fopen("test.txt","r");
echo get_resource_type($file);
?>
Run Example »

Definition and Usage

The get_resource_type() function returns the type of a resource.


Syntax

get_resource_type(resource);

Parameter Values

Parameter Description
resource Required. Specifies the resource to check

Technical Details

Return Value: The type as a string on success, if type is not identified it returns "unknown", if resource is not a resource it returns NULL and generates an error 
Return Type: String
PHP Version: 4.0.2+
PHP Changelog: PHP 5.3: If resource is not a resource it returns NULL. Earlier, the returned value was FALSE

❮ PHP Variable Handling Reference