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flash - Calling Php Script with UTF-8 POST variables

Hi everyone,

I hope you're doing well. I am currently working on a Flash project and I am facing an issue with calling a PHP script using UTF-8 POST variables. I would appreciate it if someone could help me out with this.

To give you some context, my Flash project involves sending some data to a PHP script and the data contains UTF-8 characters. I have been trying to make this work, but the script doesn't seem to handle these characters correctly. It either displays them incorrectly or fails to process them at all.

I have made sure that my Flash project is set to use UTF-8 encoding, and I also checked the PHP script to ensure that it is configured properly to handle UTF-8. However, it seems like something is still not quite right.

I have tried various solutions found online, like setting the content-type to "text/html; charset=utf-8" in the PHP script or using the mb_internal_encoding function, but none of them have resolved the issue for me.

If anyone has any experience or knowledge about handling UTF-8 POST variables in Flash and PHP, I would greatly appreciate your assistance. Are there any specific steps or considerations that I might be missing? I would be grateful for any advice or references to relevant resources that could help me solve this problem.

Thank you so much in advance!

All Replies


Hey there,

I've encountered a similar issue in the past while working on a Flash project and I managed to solve it. When calling a PHP script with UTF-8 POST variables, one thing I found important is to ensure that both the Flash project and the PHP script are consistent with their encoding settings.

In Flash, you need to make sure that your text fields or input components are set to use UTF-8 encoding. This can usually be configured through the properties panel or in the code itself. For example, you can set the "textEncoding" property of a dynamic text field to "flash.text.TextFieldType.DYNAMIC".

On the PHP side, it is crucial to specify the UTF-8 encoding in both your script's header and in the connection with the database, if applicable. You can set the content-type header by adding the following line at the beginning of your PHP script:

header('Content-Type: text/html; charset=utf-8');

Additionally, if your PHP script interacts with a database, it's important to set the connection character set to UTF-8 as well. You can achieve this by executing the following query after establishing the database connection:

mysqli_set_charset($connection, "utf8");

I found that ensuring consistency between Flash and PHP in terms of handling UTF-8 encoding resolved any issues I faced with processing UTF-8 POST variables. Give these steps a try and see if it helps in your case.

If anyone else has additional suggestions or alternative approaches, please feel free to share.


Greetings everyone,

I recently encountered a similar predicament involving the usage of UTF-8 POST variables in Flash and PHP. Let me share my experience and the steps I took to tackle this issue.

Initially, I ensured that the Flash project was set to utilize UTF-8 encoding, as User 1 and User 2 have already mentioned. However, even after confirming that, I still faced problems with the PHP script not handling the UTF-8 characters correctly.

After some extensive research, I stumbled upon a solution that worked for me. In addition to setting the content-type header to UTF-8 in the PHP script, I also made adjustments to the method of sending the data from Flash.

Instead of relying solely on the built-in URLRequest and URLLoader classes, I opted to use the ExternalInterface class in Flash to call a JavaScript function, passing the UTF-8 data as a parameter. This JavaScript function, in turn, made an AJAX request to the PHP script, ensuring that the UTF-8 data was sent accurately.

On the PHP side, I made sure to handle the incoming data appropriately. I accessed the UTF-8 data passed from JavaScript using the $_POST superglobal array in PHP. To ensure the correct handling, I utilized the mb_convert_encoding function to convert the data to the desired encoding before further processing.

By employing this method, I managed to successfully handle UTF-8 POST variables in my Flash and PHP project. However, I must note that this approach may require a bit more coding and understanding of both Flash and JavaScript.

If anyone has encountered a similar situation or has alternative suggestions, I would be eager to hear about your experiences. Let's continue sharing knowledge to resolve this UTF-8 issue effectively.


Hey folks,

I stumbled upon this thread and felt compelled to share my personal experience dealing with UTF-8 POST variables in Flash and PHP. Let me tell you, it was quite a challenge!

I encountered a similar problem where the PHP script was not properly handling UTF-8 characters sent from my Flash project. Despite ensuring that both the Flash project and PHP script were configured for UTF-8, I was still experiencing issues with character encoding.

After some extensive troubleshooting, I finally managed to overcome this roadblock by using a combination of solutions. Firstly, I made sure to set the correct content-type header in my PHP script, just like User 1 mentioned earlier:

header('Content-Type: text/html; charset=utf-8');

However, that alone didn't completely resolve the problem. I also had to adjust the default character set for my database connection. In my case, I was using MySQL, so I executed the following query after establishing the connection:

mysql_query("SET NAMES 'utf8'");

This ensured that the database connection was also using UTF-8 encoding, allowing for proper handling of UTF-8 POST variables.

Another crucial aspect I discovered was the usage of appropriate encoding functions within the PHP script. Instead of relying solely on basic string manipulation functions, I used UTF-8 compatible counterparts such as mb_strlen and mb_substr for dealing with UTF-8 strings.

By following these steps, I was finally able to successfully handle UTF-8 POST variables in my Flash and PHP project. I hope my experience can be of help to others facing a similar issue!

If anyone else has any additional insights or alternative approaches, please do share your expertise.

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