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filter is not described

upload_per_page filter-hook . WP 2.9.0

Filters the number of items to list per page when listing media items.


add_filter( 'upload_per_page', 'filter_function_name_983' );
function filter_function_name_983( $media_per_page ){
	// filter...

	return $media_per_page;
Number of media to list.
Default: 20

Where the hook is called

wp-admin/includes/post.php 1263
$q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );

Where in WP core the hook is used WordPress

Usage not found.