surferxo3/audio.php

## audio.php
<?php
/*#############################
* Developer: Mohammad Sharaf Ali
* Designation: Sr. SE
* Version: 1.0
*/#############################

#function to calculate .wav audio bitrate
function calcBitRate($filename) {
	$check = false;

	$fp = fopen($filename, 'r');
	fseek($fp, 20);
	$rawheader = fread($fp, 16);
	$header = unpack('vtype/vchannels/Vsamplerate/Vbytespersec/valignment/vbits', $rawheader);

	$bitrateInKb = ($header['samplerate'] * $header['bits'] * $header['channels']) / 1000;
	$bitrateInMb = $bitrateInKb / 1000;

	#compare bitrate in kbps or mbps are per requirement
	if($bitrateInKb >= 128) {
		$check = true;
	}
	else {
		$check = false;
	}

	return $check;
}

#button is clicked
if(isset($_POST['submit'])) {
	#log errors
	$log = array();

	#allowed extension i.e .wav
	$allowedExts = array("wav");

	#get total count of audio files
	$totalAudios = count($_FILES['audio']['name']);

	#loop each audio
	for($i=0; $i<$totalAudios; $i++)
	{
		#define target directory to upload file
		$target = $_POST['name'] . '/' . basename($_FILES['audio']['name'][$i]);
		$targetShift = 'old/' . basename($_FILES['audio']['name'][$i]);

		#check for valid extension
		$temp = explode(".", $_FILES["audio"]["name"][$i]);
		$extension = end($temp);

		#valid .wav audio file
		if(in_array($extension, $allowedExts)) {
			#bitrate valid
			if(calcBitRate($_FILES['audio']['tmp_name'][$i])) {
				#audio file don't exist
				if (!file_exists($target)) {
					move_uploaded_file($_FILES['audio']['tmp_name'][$i], $target);

					echo '<pre>';
					echo 'Download Link: <a href="'.$target.'">'.basename($_FILES['audio']['name'][$i]).'</a>';
					echo '</pre>';
				}
				#audio file already exists -> move existing file to new folder
				else {
					if (copy($target, $targetShift)) {
    					#replace existing file in the same folder
    					move_uploaded_file($_FILES['audio']['tmp_name'][$i], $target);

    					echo '<pre>';
						echo 'Download Link: <a href="'.$target.'">'.basename($_FILES['audio']['name'][$i]).'</a>';
						echo '</pre>';
					}
				}
			}
			#bitrate exceeds
			else {
				$log[] = array('File' => $_FILES["audio"]["name"][$i],
				               'Msg' => 'Bitrate Exceeds!'
				);
			}
		}
		#not a valid .wav audio file
		else {
			$log[] = array('File' => $_FILES["audio"]["name"][$i],
				           'Msg' => 'Invalid File!'
			);
		}
	}

	#print errors
	for($i=0; $i<count($log); $i++) {
		echo '<pre>';
		echo $log[$i]['File']." - ".$log[$i]['Msg'];
		echo '</pre>';
	}

	#display all files
	$dir = $_POST['name'] . '/';
	$files = scandir($dir);
	echo '<h3>All files in the Uploads directory</h3>';

	for($i=2; $i<count($files); $i++) {
		echo '<pre>';
		echo $files[$i];
		echo '</pre>';
	}
}

?>

<html>
<head>
<title>Audio Upload Demo</title>
</head>

<body>

<h2> Audio Upload Demo! </h2>

<form id="upload" name="upload" method="post" action="index.php" enctype="multipart/form-data">
	<input type="file" id="audio" name="audio[]" multiple="multiple" required="required" accept=".wav" tabindex="1" /><br />
	<input type="text" id="name" name="name" required="required" placeholder="Enter foldername" tabindex="2" /><br />
	<input type="submit" id="submit" name="submit" value="Submit" tabindex="2" />
</form>

</body>
</html>
	<?php
	/*#############################
	* Developer: Mohammad Sharaf Ali
	* Designation: Sr. SE
	* Version: 1.0
	*/#############################

	#function to calculate .wav audio bitrate
	function calcBitRate($filename) {
	$check = false;

	$fp = fopen($filename, 'r');
	fseek($fp, 20);
	$rawheader = fread($fp, 16);
	$header = unpack('vtype/vchannels/Vsamplerate/Vbytespersec/valignment/vbits', $rawheader);

	$bitrateInKb = ($header['samplerate'] * $header['bits'] * $header['channels']) / 1000;
	$bitrateInMb = $bitrateInKb / 1000;

	#compare bitrate in kbps or mbps are per requirement
	if($bitrateInKb >= 128) {
	$check = true;
	}
	else {
	$check = false;
	}

	return $check;
	}

	#button is clicked
	if(isset($_POST['submit'])) {
	#log errors
	$log = array();

	#allowed extension i.e .wav
	$allowedExts = array("wav");

	#get total count of audio files
	$totalAudios = count($_FILES['audio']['name']);

	#loop each audio
	for($i=0; $i<$totalAudios; $i++)
	{
	#define target directory to upload file
	$target = $_POST['name'] . '/' . basename($_FILES['audio']['name'][$i]);
	$targetShift = 'old/' . basename($_FILES['audio']['name'][$i]);

	#check for valid extension
	$temp = explode(".", $_FILES["audio"]["name"][$i]);
	$extension = end($temp);

	#valid .wav audio file
	if(in_array($extension, $allowedExts)) {
	#bitrate valid
	if(calcBitRate($_FILES['audio']['tmp_name'][$i])) {
	#audio file don't exist
	if (!file_exists($target)) {
	move_uploaded_file($_FILES['audio']['tmp_name'][$i], $target);

	echo '<pre>';
	echo 'Download Link: <a href="'.$target.'">'.basename($_FILES['audio']['name'][$i]).'</a>';
	echo '</pre>';
	}
	#audio file already exists -> move existing file to new folder
	else {
	if (copy($target, $targetShift)) {
	#replace existing file in the same folder
	move_uploaded_file($_FILES['audio']['tmp_name'][$i], $target);

	echo '<pre>';
	echo 'Download Link: <a href="'.$target.'">'.basename($_FILES['audio']['name'][$i]).'</a>';
	echo '</pre>';
	}
	}
	}
	#bitrate exceeds
	else {
	$log[] = array('File' => $_FILES["audio"]["name"][$i],
	'Msg' => 'Bitrate Exceeds!'
	);
	}
	}
	#not a valid .wav audio file
	else {
	$log[] = array('File' => $_FILES["audio"]["name"][$i],
	'Msg' => 'Invalid File!'
	);
	}
	}

	#print errors
	for($i=0; $i<count($log); $i++) {
	echo '<pre>';
	echo $log[$i]['File']." - ".$log[$i]['Msg'];
	echo '</pre>';
	}

	#display all files
	$dir = $_POST['name'] . '/';
	$files = scandir($dir);
	echo '<h3>All files in the Uploads directory</h3>';

	for($i=2; $i<count($files); $i++) {
	echo '<pre>';
	echo $files[$i];
	echo '</pre>';
	}
	}

	?>

	<html>
	<head>
	<title>Audio Upload Demo</title>
	</head>

	<body>

	<h2> Audio Upload Demo! </h2>

	<form id="upload" name="upload" method="post" action="index.php" enctype="multipart/form-data">
	<input type="file" id="audio" name="audio[]" multiple="multiple" required="required" accept=".wav" tabindex="1" /><br />
	<input type="text" id="name" name="name" required="required" placeholder="Enter foldername" tabindex="2" /><br />
	<input type="submit" id="submit" name="submit" value="Submit" tabindex="2" />
	</form>

	</body>
	</html>