php man page for is_resource

Query: is_resource

OS: php

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

IS_RESOURCE(3)								 1							    IS_RESOURCE(3)

is_resource - Finds whether a variable is a resource

SYNOPSIS
bool is_resource (mixed $var)
DESCRIPTION
Finds whether the given variable is a resource.
PARAMETERS
o $var - The variable being evaluated.
RETURN VALUES
Returns TRUE if $var is a resource, FALSE otherwise.
EXAMPLES
Example #1 is_resource(3) example <?php $db_link = @mysql_connect('localhost', 'mysql_user', 'mysql_pass'); if (!is_resource($db_link)) { die('Can't connect : ' . mysql_error()); } ?>
NOTES
Note is_resource(3) is not a strict type-checking method: it will return FALSE if $var is a resource variable that has been closed.
SEE ALSO
The resource-type documentation, get_resource_type(3). PHP Documentation Group IS_RESOURCE(3)
Related Man Pages
gettype(3) - php
is_object(3) - php
is_int(3) - php
empty(3) - php
is_string(3) - php
Similar Topics in the Unix Linux Community
Solaris 10 virtual disk (ramdisk) create for sun4v (T-2000 simulator) architecture
Memory release latency issue
Advice on why Core file is not being created
Count the number of files to delete doesnt match
sed parser behaving strange on replacing multiple words in multiple files