Here is the output

• • 我的密码**

<?php
    if($_SERVER["REQUEST_METHOD"]=="POST"){
        $title = $_POST["title"];
        $type = $_POST["type"];
        $content  = $_POST["content"];
         $description = $_POST['description'];
         $postdata = 
            array(
                'title' => $title,
                'type' => $type,
                'content' => $content,
                'description' => $description,
                
            );
        $opts = array('http' =>
            array(
                'method'  => 'POST',
                'content' => http_build_query($postdata),
            )
        );
        
        $context  = stream_context_create($opts);
        
        $result = file_get_contents('http://localhost:8080/project_war_exploded/admin/blog', false, $context);
        echo $result;

}



?>

我收到错误"文件获取内容（http：//localhost：8080/project_war_exploded/admin/blog）"：无法打开流：HTTP请求失败! HTTP/1.1 415 "
原因是什么，有人能帮我吗？
就像我说的-从 Postman 那里打电话，效果很好。有什么建议吗？