chiro-canto/public/upload/submitobservation.php

<?php
session_start();
$root = realpath($_SERVER["DOCUMENT_ROOT"]);
require($root."/database/credentials.php");

ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

// Connect the database
try {
	$db = new PDO("mysql:host=$host;dbname=$database;charset=utf8", 
		$user, 
		$password, 
		array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
		));
} catch (Exception $e) {
	die("Error : ".$e->getMessage());
}

// /* Create Table if not exists */
// $sql = file_get_contents($root."/database/create_record.sql");
// $db->exec($sql);

$req = $db->prepare('SELECT id FROM `authors` WHERE username=:username');
$req->execute(array(
	"username"=>$_SESSION['username']
));
if ($data = $req->fetch()) 
{
	$id = $data['id'];
}

/** Retrieve .wav duration*/
$filepath = "$root/storage/records/".$_SESSION['observation']['file'];

function wavDur($file) {
	$fp = fopen($file, 'r');
	if (fread($fp,4) == "RIFF") {
		fseek($fp, 20);
		$rawheader = fread($fp, 16);
		$header = unpack('vtype/vchannels/Vsamplerate/Vbytespersec/valignment/vbits',$rawheader);
		$pos = ftell($fp);
		while (fread($fp,4) != "data" && !feof($fp)) {
			$pos++;
			fseek($fp,$pos);
		}
		$rawheader = fread($fp, 4);
		$data = unpack('Vdatasize',$rawheader);
		$sec = $data['datasize']/$header['bytespersec'];
		$minutes = intval(($sec / 60) % 60);
		$seconds = intval($sec % 60);
		return str_pad($minutes,2,"0", STR_PAD_LEFT).":".str_pad($seconds,2,"0", STR_PAD_LEFT);
	}
}

$t = wavDur($filepath);
print_r($t);
try {
	$req = $db->prepare('INSERT INTO `records` (author_id, recordist_name, file_name, license, species, subspecies, sound_type, duration, make, model, serial, sample_rate, time_expansion, country, lat, lng, date, time, remarks) VALUES ( :id, :recordist_name, :file_name, :license, :species, :subspecies, :sound_type, :duration, :make, :model, :serial, :sample_rate, :time_expansion, :country, :lat, :lng, :date, :time, :remarks)');
	$req->execute(array(
		"id"=>$id,
		"recordist_name"=>$_SESSION['observation']['recordist-name'],
		"file_name"=>$_SESSION['observation']['file'],
		"license"=>$_SESSION['observation']['license'],
		"species" => $_SESSION['observation']['species'],
		"subspecies"=>$_SESSION['observation']['subspecies'],
		"sound_type"=>implode(',', $_SESSION['observation']['type']),
		"duration"=>$t,
		"make"=>isset($_SESSION['observation']['make']) ? $_SESSION['observation']['make'] : "",
		"model"=>isset($_SESSION['osbservation']['model']) ? $_SESSION['osbservation']['model'] : "",
		"serial"=>isset($_SESSION['observation']['serial']) ? $_SESSION['observation']['serial'] : "", 
		"sample_rate"=>isset($_SESSION['observation']['sample_rate']) ? $_SESSION['observation']['sample_rate'] : 384, 
		"time_expansion"=>isset($_SESSION['observation']['time_expansion']) ? $_SESSION['observation']['time_expansion'] : 10,
		"country"=>$_SESSION['observation']['country'],
		"lat"=>$_SESSION['observation']['lat'],
		"lng"=>$_SESSION['observation']['lng'],
		"date"=>$_SESSION['observation']['date'],
		"time"=>$_SESSION['observation']['time'],
		"remarks"=>$_SESSION['observation']['remarks']
	));
} catch (Exception $e) {
	die("Error : ".$e->getMessage());
}
$req = $db->prepare('SELECT LAST_INSERT_ID() AS id;');
$req->execute();
if ($data = $req->fetch()) {
	header('Location: '."/explore/record/?id=".$data['id']);
} else {
	header('Location: '."/");
}
?>