February 12, 2011 
Definition:
function &get_tags( $args = '' ) {}
Retrieves all post tags.
Parameters
- string|array $args: Tag arguments to use when retrieving tags.
Return values
returns:List of tags.
Defined filters
- get_tags
apply_filters( 'get_tags', $tags, $args )
Source code
function &get_tags( $args = '' ) {
$tags = get_terms( 'post_tag', $args );
if ( empty( $tags ) ) {
$return = array();
return $return;
}
$tags = apply_filters( 'get_tags', $tags, $args );
return $tags;
}
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A HitchHackers guide through WordPress 
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