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我有一個簡單的HTML上傳表單上傳圖片和PHP腳本來上傳它，但我總是得到這個錯誤，我看不出任何錯誤的代碼。PHP上傳圖片undefined索引問題
注意：未定義指數：在FileField字段的public_html /磅/ edit_profile.php上線52
HTML形式：
<fieldset class="step">
<form action="edit_profile.php" method="post" enctype="multipart/form-data">
<legend>Profile Picture</legend>
<p>
<label for="fileField">Upload (2MB Max.)</label>
<input name="fileField" type="file" id="fileField" />
</p>
<p>
<label for="updateBtn1">Please be patient...</label>
<input name="updateBtn1" type="submit" id="updateBtn1" value="Upload" />
<input name="parse_var" type="hidden" value="pic" />
<input name="thisWipit" type="hidden" value="<?php echo $thisRandNum; ?>" />
</p></form>
PHP解析代碼：
<?php
include_once("scripts/checkuserlog.php");
?>
<?php
if (!isset($_SESSION['id']) || !isset($_SESSION['username'])){
echo 'Please <a href="login.php">sign in</a> to edit your profile, settings and information.';
exit();
}
$id = $logOptions_id; // Set the profile owner ID
$error_msg = "";
$errorMsg = "";
$success_msg = "";
$firstname = "";
$middlename = "";
$lastname = "";
$country = "";
$state = "";
$city = "";
$zip = "";
$bio_body = "";
$bio_body = "";
$website = "";
$youtube = "";
$twitter = "";
$user_pic = "";
$cacheBuster = rand(9999999,99999999999);
// ------- IF WE ARE PARSING ANY DATA ------------------------------------------------------------------------------------------------------------
if (isset($_POST['parse_var'])){
//// W.I.P.I.T ///
$thisWipit = $_POST['thisWipit'];
$sessWipit = base64_decode($_SESSION['wipit']);
//
if (!isset($_SESSION['wipit']) || !isset($_SESSION['idx'])) {
echo 'Error: Your session expired from inactivity. Please <a href="index.php">click here to refresh it.</a>.';
exit();
}
//
if ($sessWipit != $thisWipit) {
echo 'Your session expired from inactivity. Please <a href="index.php">click here to refresh it.</a>.';
exit();
}
//
if ($thisWipit == "") {
echo 'Error: Missing Data... click back in your browser please.';
exit();
}
//------------------------------------------------------------------------------------------------------------------------
// ------- PARSING PICTURE UPLOAD ---------
if (!isset($_POST['parse_var']))
if ($_POST['parse_var'] == "pic"){
// If a file is posted with the form
if (isset($_FILES['fileField']) && ! empty($_FILES['fileField']['tmp_name'])) {
$maxfilesize = 2097152; // equal to 2 mb
if($_FILES['fileField']['size'] > $maxfilesize) {
$error_msg = '<font color="#FF0000">ERROR: Your image was too large, please try again.</font>';
unlink($_FILES['fileField']['tmp_name']);
} else if (!preg_match("/\.(gif|jpg|png)$/i", $_FILES['fileField']['name'])) {
$error_msg = '<font color="#FF0000">ERROR: Your image was not one of the accepted formats, please try again.</font>';
unlink($_FILES['fileField']['tmp_name']);
} else {
$newname = "image01.jpg";
$place_file = move_uploaded_file($_FILES['fileField']['tmp_name'], "members/$id/".$newname);
}
}
}
// ------- END PARSING PICTURE UPLOAD ---------
//------------------------------------------------------------------------------------------------------------------------
// ------- PARSING PERSONAL INFO ---------
if ($_POST['parse_var'] == "location"){
$firstname = preg_replace('#[^A-Za-z]#i', '', $_POST['firstname']); // filter everything but desired characters
$lastname = preg_replace('#[^A-Za-z]#i', '', $_POST['lastname']); // filter everything but desired characters
$country = strip_tags($_POST['country']);
$country = str_replace("'", "'", $country);
$country = str_replace("`", "'", $country);
$country = mysql_real_escape_string($country);
$state = preg_replace('#[^A-Z a-z]#i', '', $_POST['state']); // filter everything but desired characters
$city = preg_replace('#[^A-Z a-z]#i', '', $_POST['city']); // filter everything but desired characters
$sqlUpdate = mysql_query("UPDATE myMembers SET firstname='$firstname', lastname='$lastname', country='$country', state='$state', city='$city' WHERE id='$id' LIMIT 1");
if ($sqlUpdate){
$success_msg = '<img src="images/round_success.png" width="20" height="20" alt="Success" />Location information has been updated successfully.';
} else {
$error_msg = '<img src="images/round_error.png" width="20" height="20" alt="Failure" /> ERROR: Problems arose during the information exchange, please try again later.</font>';
}
}
// ------- END PARSING LOCATION INFO ---------
//------------------------------------------------------------------------------------------------------------------------
// ------- PARSING LINKS ---------
if ($_POST['parse_var'] == "links"){
$website = $_POST['website'];
$website = strip_tags($website);
$website = str_replace("http://", "", $website);
$website = str_replace("'", "'", $website);
$website = str_replace("`", "'", $website);
$website = mysql_real_escape_string($website);
$youtube = preg_replace('#[^A-Za-z_0-9]#i', '', $_POST['youtube']); // filter everything but desired characters
$twitter = preg_replace('#[^A-Za-z_0-9]#i', '', $_POST['twitter']); // filter everything but desired characters
$sqlUpdate = mysql_query("UPDATE myMembers SET website='$website', youtube='$youtube', twitter='$twitter' WHERE id='$id' LIMIT 1");
if ($sqlUpdate){
$success_msg = '<img src="images/round_success.png" width="20" height="20" alt="Success" />Your links and API connections have been updated successfully.';
} else {
$error_msg = '<img src="images/round_error.png" width="20" height="20" alt="Failure" /> ERROR: Problems arose during the information exchange, please try again later.</font>';
}
}
// ------- END PARSING LINKS ---------
//------------------------------------------------------------------------------------------------------------------------
// ------- PARSING BIO ---------
if ($_POST['parse_var'] == "bio"){
$bio_body = $_POST['bio_body'];
$bio_body = str_replace("'", "'", $bio_body);
$bio_body = str_replace("`", "'", $bio_body);
$bio_body = mysql_real_escape_string($bio_body);
$bio_body = nl2br(htmlspecialchars($bio_body));
// Update the database data now here for all fields posted in the form
$sqlUpdate = mysql_query("UPDATE myMembers SET bio_body='$bio_body' WHERE id='$id' LIMIT 1");
if ($sqlUpdate){
$success_msg = '<img src="images/round_success.png" width="20" height="20" alt="Success" />Your description information has been updated successfully.';
} else {
$error_msg = '<img src="images/round_error.png" width="20" height="20" alt="Failure" /> ERROR: Problems arose during the information exchange, please try again later.</font>';
}
}
// ------- END PARSING BIO ---------
//------------------------------------------------------------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////////////
} // <<--- This closes "if ($_POST['parse_var']){"
// ------- END IF WE ARE PARSING ANY DATA ------------------------------------------------------------------------------------------------------------
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// ------- ESTABLISH THE PROFILE INTERACTION TOKEN ---------
if (!isset($_SESSION['wipit'])) { // Check to see if session wipit is set yet
session_register('wipit'); // Be sure to register the session if it is not set yet
}
$thisRandNum = rand(9999999999999,999999999999999999);
$_SESSION['wipit'] = base64_encode($thisRandNum);
// ------- END ESTABLISH THE PROFILE INTERACTION TOKEN ---------
$sql_default = mysql_query("SELECT * FROM myMembers WHERE id='$id'");
while($row = mysql_fetch_array($sql_default)){
$firstname = $row["firstname"];
$lastname = $row["lastname"];
$country = $row["country"];
$state = $row["state"];
$city = $row["city"];
$bio_body = $row["bio_body"];
$bio_body = str_replace("<br />", "", $bio_body);
$bio_body = stripslashes($bio_body);
$website = $row["website"];
$youtube = $row["youtube"];
$twitter = $row["twitter"];
/////// Mechanism to Display Pic. See if they have uploaded a pic or not //////////////////////////
$check_pic = "members/$id/image01.jpg";
$default_pic = "members/0/image01.jpg";
if (file_exists($check_pic)) {
$user_pic = "<img src=\"$check_pic?$cacheBuster\" width=\"190px\" />";
} else {
$user_pic = "<img src=\"$default_pic\" width=\"190px\" />";
}
}
?>
什麼線是52？ – 2012-03-20 19:39:07
是的，這是第52行，你可以做print_r $ _FILES – 2012-03-20 19:47:07
第53行是if（$ _FILES ['fileField'] ['tmp_name']！=「」）{ – James 2012-03-20 19:51:11