[英]PHP prepared statement not executing
我只是重寫了一些PHP代碼以使其更安全,但出現了問題。 我的代碼假設將用戶個人資料圖片保存在uploads文件夾中,然后將其保存到數據庫中,然后顯示給他們。 但這沒有發生。 唯一發生的事情是圖片被保存在uploads文件夾中,僅此而已。 我沒有任何錯誤。 有人可以幫我修復我的代碼嗎?
更新!
我只是試過這段代碼:
$username = isset($_SESSION['username']) ? $_SESSION['username'] : "";
$userPic = isset($_SESSION['userPic']) ? $_SESSION['userPic'] : "";
var_dump($userPic);
$info = date('Y-m-d_H-i-s');
if(!empty($username))
{
if (isset($_FILES['fileToUpload'])) {
$errors= array();
$file_name = $_FILES['fileToUpload']['name'];
$file_size = $_FILES['fileToUpload']['size'];
$width = 1500;
$height = 1500;
$file_tmp = $_FILES['fileToUpload']['tmp_name'];
$file_type = $_FILES['fileToUpload']['type'];
$tmp = explode('.',$_FILES['fileToUpload']['name']);
$file_ext=strtolower (end ($tmp));
$extensions= array("jpeg","jpg","png");
if(in_array($file_ext,$extensions)=== false){
$errors[]="extension not allowed, please choose a JPEG or PNG file.";
}
if ($file_size > 8097152) {
$errors[] = 'File size must be 2 MB';
}
if ($width > 1500 || $height > 1500) {
echo"File is to large";
}
if(empty($errors)==true)
{
move_uploaded_file($file_tmp,"uploads/".date('Y-m-d_H-i-s').$file_name);
$stmt = $conn->prepare("UPDATE users SET userPic=?, date_time=? WHERE username");
$stmt->bind_param('ss', $userPic, $date_time);
/* execute prepared statement */
$stmt->execute();
printf("%d Row inserted.\n", $conn->affected_rows);
/* close statement and connection */
}else{
print_r($errors);
echo"Couldn't upload picture";
}
}}
else
{
echo "Invalid Username";
}
這就是我-1 Row inserted.
嘗試這個
$stmt = $conn->prepare("UPDATE users SET userPic=?, date_time=? ");
$stmt->bind_param('ss', $userPic, $date_time);
$userPic = 'pic url';
$date_time = 'date';
/* execute prepared statement */
$stmt->execute();
printf("%d Row inserted.\n", $stmt->affected_rows);
/* close statement and connection */
$stmt->close();
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