多个PHP图像上载，仅上载选定的第一个图像

我已经建立了一个多文件上传表单。但是，当我选择多个图像并单击“上载”时，只有第一个图像上载，而不是图像数组？干杯

<?php
// Check if the form was submitted
if($_SERVER["REQUEST_METHOD"] == "POST"){
    // Check if file was uploaded without errors
    if(isset($_FILES["photo"]) && $_FILES["photo"]["error"] == 0){
        $allowed = array("jpg" => "image/jpg", "jpeg" => "image/jpeg", "gif" => "image/gif", "png" => "image/png");
        $filename = $_FILES["photo"]["name"];
        $filetype = $_FILES["photo"]["type"];
        $filesize = $_FILES["photo"]["size"];

        // Verify file extension
        $ext = pathinfo($filename, PATHINFO_EXTENSION);
        if(!array_key_exists($ext, $allowed)) die("Error: Please select a valid file format.");

        // Verify file size - 20MB maximum
        $maxsize = 20 * 1024 * 1024;
        if($filesize > $maxsize) die("Error: File size is larger than the allowed limit.");

        // Verify MYME type of the file
        if(in_array($filetype, $allowed)){
            // Check whether file exists before uploading it
            if(file_exists("upload/" . $filename)){
                echo $filename . " is already exists.";
            } else{
                move_uploaded_file($_FILES["photo"]["tmp_name"], "upload/" . $filename);
                echo "Your file was uploaded successfully.";
            } 
        } else{
            echo "Error: There was a problem uploading your file. Please try again."; 
        }
    } else{
        echo "Error: " . $_FILES["photo"]["error"];
    }
} ?>

---

以下是您需要执行的操作：

• 输入名称必须定义为数组，即name=“inputName[]”
• 输入元素必须有multiple=“multiple”或只有multiple
• 在PHP文件中使用语法“$\u FILES['inputName']['param'][index]”
• 请确保查找空文件名和路径，数组可能包含空字符串。在计数之前使用数组_filter（）
• 下面是一个糟糕的示例（仅显示相关代码）

HTML:

PHP:

/$files=array_filter（$_files['upload']['name']）//在处理文件之前要使用类似的东西。
//阵列中上载文件的计数#
$total=计数（$_文件['upload']['name']）；
//循环浏览每个文件
对于（$i=0；$i<$total；$i++）{
//获取临时文件路径
$tmpFilePath=$\u文件['upload']['tmp\u name'][$i]；
//确保我们有一个文件路径
如果（$tmpFilePath！=“”）{
//设置我们的新文件路径
$newFilePath=“./uploadFiles/”$_FILES['upload']['name'][$i]；
//将文件上载到临时目录
if（移动上传的文件（$tmpFilePath，$newFilePath））{
//在这里处理其他代码
}
}
}

---

希望这有帮助

我对您的代码做了一些更改。请使用它。我可以帮助您，也请检查

<input type="file" multiple>



  if(isset($_FILES["photo"]) && $_FILES["photo"]["error"] == 0){
    $allowed = array("jpg" => "image/jpg", "jpeg" => "image/jpeg", "gif" => "image/gif", "png" => "image/png");
    $countfiles = count($_FILES['photo']['name']);
    for($i=0;$i<$countfiles;$i++){
        $filename = $_FILES["photo"]["name"][$i];
        $filetype = $_FILES["photo"]["type"][$i];
        $filesize = $_FILES["photo"]["size"][$i];

        // Verify file extension
        $ext = pathinfo($filename, PATHINFO_EXTENSION);
        if(!array_key_exists($ext, $allowed)) die("Error: Please select a valid file format.");

       // Verify file size - 20MB maximum
       $maxsize = 20 * 1024 * 1024;
       if($filesize > $maxsize) die("Error: File size is larger than the allowed limit.");

       // Verify MYME type of the file
       if(in_array($filetype, $allowed)){
        // Check whether file exists before uploading it
        if(file_exists("upload/" . $filename)){
            echo $filename . " is already exists.";
        } else{
            move_uploaded_file($_FILES["photo"]["tmp_name"][$i], "upload/" . $filename);
            echo "Your file was uploaded successfully.";
        } 
    } else{
        echo "Error: There was a problem uploading your file. Please try again."; 
    }
  }
} else{
    echo "Error: " . $_FILES["photo"]["error"];
}

如果（isset（$\u文件[“照片”]）&&&$\u文件[“照片”][“错误”]==0）{
$allowed=array（“jpg”=>“image/jpg”、“jpeg”=>“image/jpeg”、“gif”=>“image/gif”、“png”=>“image/png”）；
$countfiles=count（$_文件['photo']['name']）；
对于（$i=0；$i$maxsize）模具（“错误：文件大小大于允许的限制”）；
//验证文件的MYME类型
if（在数组中（$filetype，$allowed））{
//上传文件前检查文件是否存在
如果（文件_存在（“上传/”$filename））{
echo$filename。“已存在。”；
}否则{
移动上传的文件（$\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\；
echo“您的文件已成功上载。”；
} 
}否则{
echo“错误：上载文件时出现问题。请重试。”；
}
}
}否则{
echo“Error:”.$\u文件[“photo”][“Error”]；
}

---

}？>

因为您的代码不会在文件arrayokay上迭代。。我该怎么做…你必须给上传一个for循环。。这一个不行。文件名也应该以数组的形式给出。OP为什么要使用它？好的答案总是有一个解释，说明做了什么以及为什么这样做，不仅是为了OP，而且是为了未来的访客，以便他们可以找到这个问题并阅读你的答案。如果答案很好，他们可能会投赞成票。

//$files = array_filter($_FILES['upload']['name']); //something like that to be used before processing files.

// Count # of uploaded files in array
$total = count($_FILES['upload']['name']);

// Loop through each file
for( $i=0 ; $i < $total ; $i++ ) {
    //Get the temp file path
    $tmpFilePath = $_FILES['upload']['tmp_name'][$i];

    //Make sure we have a file path
    if ($tmpFilePath != ""){
        //Setup our new file path
        $newFilePath = "./uploadFiles/" . $_FILES['upload']['name'][$i];

        //Upload the file into the temp dir
        if(move_uploaded_file($tmpFilePath, $newFilePath)) {

          //Handle other code here

        }
    }
}

<input type="file" multiple>



  if(isset($_FILES["photo"]) && $_FILES["photo"]["error"] == 0){
    $allowed = array("jpg" => "image/jpg", "jpeg" => "image/jpeg", "gif" => "image/gif", "png" => "image/png");
    $countfiles = count($_FILES['photo']['name']);
    for($i=0;$i<$countfiles;$i++){
        $filename = $_FILES["photo"]["name"][$i];
        $filetype = $_FILES["photo"]["type"][$i];
        $filesize = $_FILES["photo"]["size"][$i];

        // Verify file extension
        $ext = pathinfo($filename, PATHINFO_EXTENSION);
        if(!array_key_exists($ext, $allowed)) die("Error: Please select a valid file format.");

       // Verify file size - 20MB maximum
       $maxsize = 20 * 1024 * 1024;
       if($filesize > $maxsize) die("Error: File size is larger than the allowed limit.");

       // Verify MYME type of the file
       if(in_array($filetype, $allowed)){
        // Check whether file exists before uploading it
        if(file_exists("upload/" . $filename)){
            echo $filename . " is already exists.";
        } else{
            move_uploaded_file($_FILES["photo"]["tmp_name"][$i], "upload/" . $filename);
            echo "Your file was uploaded successfully.";
        } 
    } else{
        echo "Error: There was a problem uploading your file. Please try again."; 
    }
  }
} else{
    echo "Error: " . $_FILES["photo"]["error"];
}