wp_parse_id_list( array|string $input_list )

Cleans up an array, comma- or space-separated list of IDs.

Parameters

$input_list

(Required) List of IDs.

Return

(int[]) Sanitized array of IDs.

Source

File: wp-includes/functions.php 

function wp_parse_id_list( $list ) {
	if ( !is_array($list) )
		$list = preg_split('/[\s,]+/', $list);

	return array_unique(array_map('absint', $list));
}

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Changelog

Changelog
Version Description
5.1.0 Refactored to use wp_parse_list().
3.0.0 Introduced.