Php 为什么我收到此$\u会话变量的未定义索引错误
我不知道为什么我会收到这个错误，但它一直说我在下面代码的第35行有一个未定义的索引：AudioFile：Php 为什么我收到此$\u会话变量的未定义索引错误,php,pdo,mysqli,Php,Pdo,Mysqli,我不知道为什么我会收到这个错误，但它一直说我在下面代码的第35行有一个未定义的索引：AudioFile： <?php ini_set('display_errors',1); session_start(); ?> <body> <?php // connect to the database include('connect.php'); /* check connection */ if (mysqli_connect_errno
<?php
ini_set('display_errors',1);
session_start();
?>
<body>
<?php
// connect to the database
include('connect.php');
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
die();
}
unlink("AudioFiles/" . $_SESSION['AudioFile']);
$delete = $mysqli->prepare('DELETE FROM Audio WHERE AudioId = ?');
$delete->bind_param("i",$_SESSION['lastAudioID']);
$delete->execute();
$deleteaud = $mysqli->prepare('DELETE FROM Audio_Question WHERE AudioId = ?');
$deleteaud->bind_param("i",$_SESSION['lastAudioID']);
$deleteaud->execute();
?>
</body>
</html>
<?php
ini_set('session.gc_maxlifetime',12*60*60);
ini_set('session.gc_divisor', '1');
ini_set('session.gc_probability', '1');
ini_set('session.cookie_lifetime', '0');
require_once 'init.php';
session_start();
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<?php
ini_set('display_errors',1);
error_reporting(E_ALL);
// connect to the database
include('connect.php');
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
die();
}
$result = 0;
if ((($_FILES["fileAudio"]["type"] == "audio/wav")
|| ($_FILES["fileAudio"]["type"] == "audio/wma")
|| ($_FILES["fileAudio"]["type"] == "audio/mp3")
|| ($_FILES["fileAudio"]["type"] == "audio/m3u")
|| ($_FILES["fileAudio"]["type"] == "audio/iff")
|| ($_FILES["fileAudio"]["type"] == "audio/mid")
|| ($_FILES["fileAudio"]["type"] == "audio/m4a")
|| ($_FILES["fileAudio"]["type"] == "audio/mpa")
|| ($_FILES["fileAudio"]["type"] == "audio/aif")
|| ($_FILES["fileAudio"]["type"] == "audio/wa"))
&& ($_FILES['fileAudio']['size'] > 0))
{
if( file_exists("AudioFiles/".$_FILES['fileAudio']['name'])) {
$parts = explode(".",$_FILES['fileAudio']['name']);
$ext = array_pop($parts);
$base = implode(".",$parts);
$n = 2;
while( file_exists("AudioFiles/".$base."_".$n.".".$ext)) $n++;
$_FILES['fileAudio']['name'] = $base."_".$n.".".$ext;
move_uploaded_file($_FILES["fileAudio"]["tmp_name"],
"AudioFiles/" . $_FILES["fileAudio"]["name"]);
$result = 1;
}
else
{
move_uploaded_file($_FILES["fileAudio"]["tmp_name"],
"AudioFiles/" . $_FILES["fileAudio"]["name"]);
$result = 1;
}
$audiosql = "INSERT INTO Audio (AudioFile)
VALUES (?)";
if (!$insert = $mysqli->prepare($audiosql)) {
// Handle errors with prepare operation here
}
//Dont pass data directly to bind_param store it in a variable
$insert->bind_param("s",$aud);
//Assign the variable
$aud = 'AudioFiles/'.$_FILES['fileAudio']['name'];
$insert->execute();
if ($insert->errno) {
// Handle query error here
}
$insert->close();
$lastAudioID = $mysqli->insert_id;
$_SESSION['lastAudioID'] = $lastAudioID;
$_SESSION['AudioFile'] = $_FILES["fileAudio"]["name"];
$sessid = $_SESSION['id'] . ($_SESSION['initial_count'] > 1 ? $_SESSION['sessionCount'] : '');
$sessionquery = "SELECT SessionId FROM Session WHERE (SessionName = ?)";
if (!$sessionstmt = $mysqli->prepare($sessionquery)) {
// Handle errors with prepare operation here
echo __LINE__.': '.$mysqli->error;
}
// Bind parameter for statement
$sessionstmt->bind_param("s", $sessid);
// Execute the statement
$sessionstmt->execute();
if ($sessionstmt->errno)
{
// Handle query error here
echo __LINE__.': '.$sessionstmt->error;
break 1;
}
// This is what matters. With MySQLi you have to bind result fields to
// variables before calling fetch()
$sessionstmt->bind_result($sessionid);
// This populates $optionid
$sessionstmt->fetch();
$sessionstmt->close();
$audioquestionsql = "INSERT INTO Audio_Question (AudioId, SessionId, QuestionId)
VALUES (?, ?, ?)";
if (!$insertaudioquestion = $mysqli->prepare($audioquestionsql)) {
// Handle errors with prepare operation here
echo "Prepare statement err audioquestion";
}
$qnum = (int)$_POST['numaudio'];
$insertaudioquestion->bind_param("iii",$lastAudioID, $sessionid, $qnum);
$insertaudioquestion->execute();
if ($insertaudioquestion->errno) {
// Handle query error here
}
$insertaudioquestion->close();
}
?>
<script language="javascript" type="text/javascript">window.top.stopAudioUpload(<?php echo $result; ?>, '<?php echo $_FILES['fileAudio']['name'] ?>');</script>
</body>
</html>
window.top.stopAudioUpload（，''）；
if(array_key_exists('lastAudioID', $_SESSION)) {
// Key exists
}
这可能是因为您在已经输出了某些内容之后才包含了文件。在输出任何内容之前，请尝试包含该文件。我很确定就是这样。是否在任何地方定义了会话['AudioFile']？这意味着会话变量不包含索引
AudioFile$\U会话['AudioFile']=…；