Filters the data for a file before it is uploaded to WordPress.

Description

The dynamic portion of the hook name, $action, refers to the post action.

Possible hook names include:

• wp_handle_sideload_prefilter
• wp_handle_upload_prefilter

Parameters

$filearray

Reference to a single element from $_FILES.

• name string
  The original name of the file on the client machine.
• type string
  The mime type of the file, if the browser provided this information.
• tmp_name string
  The temporary filename of the file in which the uploaded file was stored on the server.
• size int
  The size, in bytes, of the uploaded file.
• error int
  The error code associated with this file upload.

Source

$file = apply_filters( "{$action}_prefilter", $file );

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Changelog