Using WordPress ‘media_upload_audio()’ PHP function
The `media_upload_audio()` function in WordPress allows developers to easily handle the process of uploading an audio file by calling the function in their theme or plugin code
PHP
Using WordPress ‘media_handle_sideload()’ PHP function
Handles a side-loaded file in the same way as an uploaded file is handled by media_handle_upload() .
Using WordPress ‘maybe_serialize()’ PHP function
Learn how to use the maybe_serialize() WordPress function in PHP to serialize and deserialize data for storage or transmission
Using WordPress ‘maybe_disable_automattic_widgets()’ PHP function
Disables the Automattic widgets plugin, which was merged into core.