Php 如何在原始http标头中使用base64字符串发送图像？
我有一个接受图像的php页面，它会将图像保存在服务器上。我已经在firefox上安装了一个插件，它允许我发送原始http请求。问题是，当我使用base64字符串发送图像时，为什么php页面可以读取我的图像。以下是我发出的请求：Php 如何在原始http标头中使用base64字符串发送图像？,php,image,http-headers,base64,httprequest,Php,Image,Http Headers,Base64,Httprequest,我有一个接受图像的php页面，它会将图像保存在服务器上。我已经在firefox上安装了一个插件，它允许我发送原始http请求。问题是，当我使用base64字符串发送图像时，为什么php页面可以读取我的图像。以下是我发出的请求： Content-Type: multipart/form-data; boundary=---------------------------63372074115730885141227476581 -----------------------------633720
Content-Type: multipart/form-data; boundary=---------------------------63372074115730885141227476581
-----------------------------63372074115730885141227476581
Content-Disposition: form-data; name="fileToUpload"; filename="sample image.png"
Content-Type: image/png
data:image/png;base64,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
-----------------------------63372074115730885141227476581--
<?php
$target_dir = "userFile/U1/";
$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);
$uploadOk = 1;
$imageFileType = pathinfo($target_file,PATHINFO_EXTENSION);
$fileABC = array();
$check = getimagesize($_FILES["fileToUpload"]["tmp_name"]);
$fileABC["getImageSize"] = $check;
echo "this is file content: \n";
echo file_get_contents($_FILES["fileToUpload"]["tmp_name"]);
echo "End of file content \n";
echo json_encode($fileABC);
move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file);
?>