[英]File upload error in php
我如何才能真正知道是否通過文件上傳選項將文件傳遞到服務器?
我)我使用如下形式:
<form name = "someForm" id = "someForm" method = "post" action = "saveFile.php">
<input type = "file" name = "upload1" id = "upload1" />
<input type = "file" name = "upload2" id = "upload2" />
<input type = "file" name = "upload3" id = "upload3" />
<input type = "submit" id = "btnSubmit" value = "Submit" />
</form>
ii)在saveFile.php中,我使用:
說:
echo $_FILES['upload1']["size"];
除了其他人,但我得到了一個未定義的索引:upload1錯誤,但沒有,我使用了:
echo $_POST['upload1']; //returns filename
您需要將<form>
編碼指定為"multipart/form-data"
:
<form enctype = "multipart/form-data" name = "someForm" id = "someForm" method = "post" action = "saveFile.php">
<input type = "file" name = "upload1" id = "upload1" />
<input type = "file" name = "upload2" id = "upload2" />
<input type = "file" name = "upload3" id = "upload3" />
<input type = "submit" id = "btnSubmit" value = "Submit" />
</form>
<form name="someForm" id="someForm" method="post"
action="saveFile.php" enctype="multipart/form-data">
上載文件需要Enctype。
您可以通過$_FILES
而不是$_POST
或$_GET
來訪問它們:
echo $_FILES['upload1']['size'];
文件保存在:
print_r($_FILES); // NOT IN POST
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