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is_real	is_scalar

	Last updated: Thu, 26 Jun 2008

is_resource

(PHP 4, PHP 5)

is_resource — Finds whether a variable is a resource

Description

bool is_resource ( mixed $var )

Finds whether the given variable is a resource.

Parameters

var: The variable being evaluated.

Return Values

Returns TRUE if var is a resource, FALSE otherwise.

Examples

Example #1 is_resource() example


<?php



$db_link = @mysql_connect('localhost', 'mysql_user', 'mysql_pass');

if (!is_resource($db_link)) {

    die('Can\'t connect : ' . mysql_error());

}



?>

is_resource

Description

Parameters

Return Values

Examples

See Also