1524 function MPEGaudioBitrateLookup($version, $layer, $rawbitrate) {  argument
1529 …set($MPEGaudioBitrateLookup["$version"]["$layer"]["$rawbitrate"]) ? $MPEGaudioBitrateLookup["$vers…
1545 function MPEGaudioModeExtensionLookup($layer, $rawmodeextension) {  argument
1549 …rn (isset($MPEGaudioModeExtensionLookup["$layer"]["$rawmodeextension"]) ? $MPEGaudioModeExtensionL…
2766 function MPEGaudioFrameLength(&$bitrate, &$version, &$layer, $padding, &$samplerate) {  argument
2769 	if (!isset($AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate])) {
2770 		$AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate] = false;
2775 				if ($layer == 'I') {
2791 				if ($layer == 'I') {
2797 				} elseif ($layer == 'II') {
2822 …	$AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate] = (int) $NewFramelength;
2826 	return $AudioFrameLengthCache[$bitrate][$version][$layer][$padding][$samplerate];