[RESOLVED] how do u get size of mp3 file in bytes to calculate length of mp3

[bluemonster]

How do you get how do u get size of mp3 file in bytes to calculate length of mp3?

Example
T= Size of Mp3 file in bytes x 8 / Bitrate

[sheephat]

$filesize = filesize($filename);

$stage2= $filesize*8;

not sure how to retreave the bitrate from an mp3

[bluemonster]

i know bitrate. how to get the filename? what function to use? can u show me example?

[bluemonster]

i think

$handle = fopen($dir . $file, "rb"); // Read as binary
$size = filesize($dir . $file);

[sheephat]

$filename = "1.mp3";

$filesize = filesize($filename);

$stage2 = $filesize*8;

$bitrate = 128;

$afterbit = $stage2/$bitrate;

Something Like that.

[bluemonster]

thanks I managed to get length of mp3

how to convert 11sec to 00:11

[sheephat]

can you not use date?

date("i:s" ,$time)

[bluemonster]

thank you for your help. problem solved.

[Namit]

Hi, I'm working on a podcast rss feed.

I need to get the length and the size of a video(mp4) file.
could I use the same process?

and is this code open sources somewhere?