apply_filters( 'wp_generate_attachment_metadata', array $metadata, int $attachment_id, string $context )

Filters the generated attachment meta data.

Parameters

$metadata: An array of attachment meta data.
$attachment_id: Current attachment ID.
$context: Additional context. Can be 'create' when metadata was initially created for new attachment or 'update' when the metadata was updated.

Source

File: wp-admin/includes/image.php

Related

Used By

Used By
Used By	Description
wp-admin/includes/image.php: wp_update_image_subsizes()	If any of the currently registered image sub-sizes are missing, create them and update the image meta data.
wp-admin/includes/image.php: wp_generate_attachment_metadata()	Generates attachment meta data and create image sub-sizes for images.

Changelog

Changelog
Version	Description
5.3.0	The `$context` parameter was added.
2.1.0	Introduced.