JavaScript转PHP时Web请求出现500内部服务器错误求助

问题与解决 #

[编辑]: 已通过在服务器上安装PHP的cURL扩展解决该问题。

我正在开发一套API功能，用HTML+JavaScript实现时一切正常，但转成PHP做服务器端处理后无法运行。要求所有请求都在服务器端完成，但我不知道怎么查看PHP日志，没法定位问题。向PHP页面发送POST请求时，会收到500内部服务器错误。目前只有返回$output的功能正常，怀疑问题出在API请求的处理环节。

我的HTML代码 #

<!DOCTYPE html>
<html>

<head>
    <title>Execute Command</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script>
        $(document).ready(function () {
            $("form").submit(function (event) {
                event.preventDefault();
                // Execute the shell command
                $.ajax({
                    type: "POST",
                    url: "Speech_To_Text.php",
                    success: function (output) {
                        // Make the API request to Shuttle AI
                        var apiKey = "APIKEY";
                        var apiUrl = "https://api.shuttleai.app/v1/chat/completions";
                        var requestData = {
                            // model: "shuttle-1",
                            model: "shuttle-1",
                            internet: true,
                            messages: [
                                {
                                    role: "user",
                                    content: output
                                }
                            ]
                        };

                        // Send the request using fetch API
                        fetch(apiUrl, {
                            method: 'POST',
                            headers: {
                                'Authorization': 'Bearer ' + apiKey,
                                'Content-Type': 'application/json'
                            },
                            body: JSON.stringify(requestData)
                        })
                            .then(response => response.json())
                            .then(data => {
                                // Extract the content of the message
                                var messageContent = data.choices[0].message.content;
                                // Log the content in the console
                                console.log(messageContent);

                                // Make the audio generation request
                                var audioGenerationOptions = {
                                    method: 'POST',
                                    headers: {
                                        Authorization: 'Bearer ' + apiKey,
                                        'Content-Type': 'application/json'
                                    },
                                    body: JSON.stringify({
                                        input: messageContent,
                                        voice: 'thomas',
                                        model: 'eleven-labs'
                                    })
                                };

                                fetch('https://api.shuttleai.app/v1/audio/generations', audioGenerationOptions)
                                    .then(response => response.json())
                                    .then(audioResponse => {
                                        // Extract the content of the message
                                        var AudioURL = audioResponse.data.url;
                                        // Log the content in the console
                                        console.log(AudioURL);
                                    })
                            })
                            .catch(error => console.error('Error:', error));
                    },
                    error: function (xhr, status, error) {
                        console.error("Error:", error);
                    }
                });
            });
        });
    </script>
</head>

<body>
    <form>
        <input type="submit" value="Execute Command">
    </form>
</body>

</html>

功能异常的PHP代码 #

<?php
// Ensure that the form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST") {

    $output = shell_exec("php Speech_To_Text.php");

    // Make the API request to Shuttle AI
    $apiKey = "APIKEY";
    $apiUrl = "https://api.shuttleai.app/v1/chat/completions";
    $requestData = array(
        "model" => "shuttle-1",
        "internet" => true,
        "messages" => array(
            array(
                "role" => "user",
                "content" => $output
            )
        )
    );

    // Send the request using cURL
    $ch = curl_init($apiUrl);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($requestData));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array(
        'Authorization: Bearer ' . $apiKey,
        'Content-Type: application/json'
    ));

    $apiResponse = curl_exec($ch);
    curl_close($ch);

    // Decode the API response
    $apiData = json_decode($apiResponse, true);

    // Extract the content of the message
    $messageContent = $apiData['choices'][0]['message']['content'];
    echo $messageContent;

    // Make the audio generation request
    $audioGenerationOptions = array(
        "input" => $messageContent,
        "voice" => "thomas",
        "model" => "eleven-labs"
    );

    $audioGenerationUrl = "https://api.shuttleai.app/v1/audio/generations";
    $audioGenerationOptions = json_encode($audioGenerationOptions);

    // Send the audio generation request using cURL
    $ch2 = curl_init($audioGenerationUrl);
    curl_setopt($ch2, CURLOPT_CUSTOMREQUEST, "POST");
    curl_setopt($ch2, CURLOPT_POSTFIELDS, $audioGenerationOptions);
    curl_setopt($ch2, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch2, CURLOPT_HTTPHEADER, array(
        'Authorization: Bearer ' . $apiKey,
        'Content-Type: application/json'
    ));

    $audioResponse = curl_exec($ch2);
    curl_close($ch2);

    // Decode the audio generation response
    $audioData = json_decode($audioResponse, true);

    // Extract the URL of the audio
    $audioUrl = $audioData['data']['url'];

    echo $audioUrl;
}
?>

内容的提问来源于stack exchange，提问作者Loic Daigle