/**
 * Retrieve metadata from a audio file's ID3 tags
 *
 * @since 3.6.0
 *
 * @param string $file Path to file.
 * @return array|boolean Returns array of metadata, if found.
 */
function wp_read_audio_metadata($file)
{
    if (!file_exists($file)) {
        return false;
    }
    $metadata = array();
    if (!class_exists('getID3')) {
        require ABSPATH . WPINC . '/ID3/getid3.php';
    }
    $id3 = new getID3();
    $data = $id3->analyze($file);
    if (!empty($data['audio'])) {
        unset($data['audio']['streams']);
        $metadata = $data['audio'];
    }
    if (!empty($data['fileformat'])) {
        $metadata['fileformat'] = $data['fileformat'];
    }
    if (!empty($data['filesize'])) {
        $metadata['filesize'] = (int) $data['filesize'];
    }
    if (!empty($data['mime_type'])) {
        $metadata['mime_type'] = $data['mime_type'];
    }
    if (!empty($data['playtime_seconds'])) {
        $metadata['length'] = (int) round($data['playtime_seconds']);
    }
    if (!empty($data['playtime_string'])) {
        $metadata['length_formatted'] = $data['playtime_string'];
    }
    wp_add_id3_tag_data($metadata, $data);
    return $metadata;
}

/**
 * Retrieve metadata from a audio file's ID3 tags
 *
 * @since 3.6.0
 *
 * @param string $file Path to file.
 * @return array|bool Returns array of metadata, if found.
 */
function wp_read_audio_metadata($file)
{
    if (!file_exists($file)) {
        return false;
    }
    $metadata = array();
    if (!defined('GETID3_TEMP_DIR')) {
        define('GETID3_TEMP_DIR', get_temp_dir());
    }
    if (!class_exists('getID3', false)) {
        require '/usr/share/php/getid3/getid3.php';
    }
    $id3 = new getID3();
    $data = $id3->analyze($file);
    if (!empty($data['audio'])) {
        unset($data['audio']['streams']);
        $metadata = $data['audio'];
    }
    if (!empty($data['fileformat'])) {
        $metadata['fileformat'] = $data['fileformat'];
    }
    if (!empty($data['filesize'])) {
        $metadata['filesize'] = (int) $data['filesize'];
    }
    if (!empty($data['mime_type'])) {
        $metadata['mime_type'] = $data['mime_type'];
    }
    if (!empty($data['playtime_seconds'])) {
        $metadata['length'] = (int) round($data['playtime_seconds']);
    }
    if (!empty($data['playtime_string'])) {
        $metadata['length_formatted'] = $data['playtime_string'];
    }
    wp_add_id3_tag_data($metadata, $data);
    return $metadata;
}