PHP JSON Requests: `file_get_contents(\'php://input\')` or `$HTTP_RAW_POST_DATA`?

PHP: file_get_contents("php://input") vs. $HTTP_RAW_POST_DATA for JSON Requests

When handling JSON data in PHP, the question arises: which is the preferred method for accessing the request body? Two options commonly used are file_get_contents("php://input") and $HTTP_RAW_POST_DATA.

file_get_contents("php://input")

file_get_contents("php://input") allows direct access to the raw request body. Compared to $HTTP_RAW_POST_DATA, it offers the following advantages:

• Less Memory Intensive: It does not require the use of php.ini directives, making it a more efficient option.
• Not Affected by Special Form Data: Unlike $HTTP_RAW_POST_DATA, file_get_contents("php://input") is not impacted by enctype="multipart/form-data" settings.

$HTTP_RAW_POST_DATA

$HTTP_RAW_POST_DATA is deprecated in PHP 7.0.0 and above. It can still be used in earlier versions, but it is recommended to migrate to file_get_contents("php://input") for better performance and functionality.

Request Type for JSON Data

Regarding the request type to use when sending JSON data, the most appropriate option is POST. This is because HTTP POST requests are specifically designed to transmit data without requiring it to be exposed in the request URL.

Conclusion

For accessing the body of JSON requests in PHP, file_get_contents("php://input") emerges as the preferred method, offering advantages such as memory efficiency and greater compatibility. When sending JSON data, using the POST request type ensures secure and reliable transmission of information.

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