PHP Returning JSON to jQuery AJAX Call
When working with jQuery, AJAX, and PHP, it's crucial to ensure proper JSON handling to receive and process data.
In your PHP code, you have:
<code class="php">$output = $json->encode($value); echo $output;</code>
However, you should also add header('Content-Type: application/json'); before echo to notify the browser that the response is JSON.
Your PHP code should now look like this:
<code class="php">header('Content-Type: application/json'); $output = json_encode($value); echo $output; exit;</code>
This ensures the server sends the response as JSON, which can be properly parsed by jQuery's dataType: "json".
Improved Javascript:
Additionally, in your JavaScript, you can simplify the error and success callbacks:
<code class="javascript">success: function (data) { $('#msgid').html(''); $('#msgid').append(data.msg1); }, error: function () { $('#msgid').html(''); $('#msgid').append('Error sending email. Please try later.'); }</code>
This enhances user-friendliness by displaying a concise error message if the email cannot be sent.
The above is the detailed content of How to Properly Return JSON Data from PHP to a jQuery AJAX Call?. For more information, please follow other related articles on the PHP Chinese website!

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