file_get_contentsHTTP請求失敗錯誤

所以我有 GetMessages.php，這個腳本從資料庫（MongoDB）中獲取資料。然后它向 MyMessagesMDB.php 發送一個 cURL POST。這是代碼：

<?php
$FirstName = '';
$LastName = '';
$Email = '';
$Subject = '';
$Message = '';

GetFromDB();

echo $FirstName." ".$LastName;
echo "<br>";
echo $Email;
echo "<br>";
echo $Subject;
echo "<br>";
echo $Message;
echo "<br>";

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "http://192.168.0.163/MyMessagesMDB.php");
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS,
            "FirstName=$FirstName&LastName=$LastName&Email=$Email&Subject=$Subject&TextMessage=$Message");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$server_output = curl_exec($ch);
curl_close($ch);

function GetFromDB(){
    $client = new MongoDB\Driver\Manager('mongodb srv://####:####@####.tldyu.mongodb.net/Data');
    $filter = [];
    $options = [];
    $query = new MongoDB\Driver\Query($filter, $options);
    $cursor = $client->executeQuery('ContactMessages.ContactForm', $query);

    foreach($cursor as $document){
        $document = json_decode(json_encode($document),true);

        global $FirstName, $LastName, $Email, $Subject, $Message;
        $FirstName = $document['FirstName'];
        $LastName = $document['LastName'];
        $Email = $document['Email'];
        $Subject = $document['Subject'];
        $Message = $document['Message'];
    }
}
?>

MyMessagesMDB.php 是首先呼叫的腳本。它呼叫 GetMessages.php，然后應該接收它發布的資訊。這是代碼：

<?php
$FirstLoop = true;
if($FirstLoop == true){
    file_get_contents('http://192.168.0.102/test/GetMessages.php');
    $FirstLoop = false;
}

$FirstName = $_POST["FirstName"] ?? "";
$LastName = $_POST["LastName"] ?? "";
$Email = $_POST["Email"] ?? "";
$Subject = $_POST["Subject"] ?? "";
$Message = $_POST["TextMessage"] ?? "";

echo $FirstName." ".$LastName;
echo "<br>";
echo $Email;
echo "<br>";
echo $Subject;
echo "<br>";
echo $Message;
echo "<br>";
?>

但這里開始我的問題。

如果我呼叫 MyMessagesMDB.php，我會收到錯誤訊息：

PHP 警告：file_get_contents( http://192.168.0.102/test/GetMessages.php )：無法打開流：HTTP 請求失敗！。

如果我嘗試手動加載頁面，則不會出錯，并且資料庫中的資料會列印在螢屏上。

在 MyMessagesMDB.php 中，我像這樣注釋以下行：

#file_get_contents('http://192.168.0.102/test/GetMessages.php');

我可以毫無問題或錯誤地加載頁面。

問題

What do I have to do to call GetMessages.php from MyMessagesMDB.php and receive the information out of the database?

Note: I have tried

$curl_handle=curl_init();
curl_setopt($curl_handle, 
CURLOPT_URL,'http://###.##.##.##/mp/get? 
mpsrc=http://mybucket.s3.amazonaws.com/11111.mpg&mpaction=convert 
format=flv');
curl_setopt($curl_handle, CURLOPT_CONNECTTIMEOUT, 2);
curl_setopt($curl_handle, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl_handle, CURLOPT_USERAGENT, 'Your application 
name');
$query = curl_exec($curl_handle);
curl_close($curl_handle);

uj5u.com熱心網友回復：

在我們反復評論之后，我認為您的實作比它需要的要復雜得多。而不是MyMessagesMDB.php作為該程序的兩個發起者和資料的接收方，它僅需要一個啟動器。

在這個實作中，mdb.php作為將與您的資料庫一起使用的腳本，它的全部作業是從ContactMessages.ContactForm查詢中獲取所有內容并將其輸出為 JSON。

<?php

$client = new MongoDB\Driver\Manager('mongodb srv://####:####@####.tldyu.mongodb.net/Data');
$filter = [];
$options = [];
$query = new MongoDB\Driver\Query($filter, $options);
$cursor = $client->executeQuery('ContactMessages.ContactForm', $query);

header('Content-Type: application/json');
echo json_encode($cursor);

然后你有get.php，你在學校的服務器上有它，它file_get_contents用來獲取 JSON，然后將它轉換回 PHP 陣列，然后你可以輸出你認為合適的任何東西。

<?php

$mdb_url = 'http://192.168.0.102/test/GetMessages.php';
$get = file_get_contents($mdb_url);
$decoded = json_decode($get, true);

foreach ($decoded as $document) {
    echo $document['FirstName'] . '<br>' . 
        $document['LastName'] . '<br>' . 
        $document['Email'] . '<br>' . 
        $document['Subject'] . '<br>' . 
        $document['Message'] . '<br><hr>';
}

標籤：php curl

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