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? ??? ?? PHP ???? $_FILES? ???? PHP?? ?? ??? ??? ???? ??? ??????

$_FILES? ???? PHP?? ?? ??? ??? ???? ??? ??????

Nov 29, 2024 pm 10:36 PM

How to Solve File Upload Issues in PHP Using $_FILES?

PHP? ??? ?? ???

? ???? PHP?? ??? ????? ??? ???? ?? ?? ???? ???? ???? ??? ?????.

??:

??? ??? ??? ????? ? ?? ???? ?? HTTP_POST_FILES ?? ???? ?? ??? ?????.

???:

?? PHP ??? ????? ????? ?? ??? ???:

$target_dir = "upload/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
$imageFileType = strtolower(pathinfo($target_file, PATHINFO_EXTENSION));
$allowedTypes = ['jpg', 'png'];

if (isset($_POST["submit"])) {
    // Check file type
    if (!in_array($imageFileType, $allowedTypes)) {
        $msg = "Type is not allowed";
    }
    // Check if file already exists
    elseif (file_exists($target_file)) {
        $msg = "Sorry, file already exists.";
    }
    // Check file size
    elseif ($_FILES["fileToUpload"]["size"] > 5000000) {
        $msg = "Sorry, your file is too large.";
    }
    elseif (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {
        $msg = "The file " . basename($_FILES["fileToUpload"]["name"]) . " has been uploaded.";
    }
}

??:

  • $_FILES["fileToUpload"]? ?? ??? ??? ?????.
  • $target_dir? ?????. ?? ??.
  • ???? ?? ??, ?? ?? ? size.
  • move_uploaded_file()? ??? ??? ??? ?????.
  • $msg ??? ??? ??? ?? ???? ?????.

HTML ??? ??:

<form action="upload.php" method="post">

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Undresser.AI Undress

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