apply_filters( "{$action}_prefilter", string[] $file )

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

Description Description

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

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Parameters Parameters


(string[]) An array of data for a single file.

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Source Source

File: wp-admin/includes/file.php

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Changelog Changelog

Version Description
4.0.0 Converted to a dynamic hook with $action.
2.9.0 Introduced.

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