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apply_filters( 'image_send_to_editor_url', string $html, string $src, string $alt, string $align )

Filters the image URL sent to the editor.

$html: (string) HTML markup sent to the editor for an image.
$src: (string) Image source URL.
$alt: (string) Image alternate, or alt, text.
$align: (string) The image alignment. Default 'alignnone'. Possible values include 'alignleft', 'aligncenter', 'alignright', 'alignnone'.

Used By	Description
wp-admin/includes/media.php: wp_media_upload_handler()	Handles the process of uploading media.

Version	Description
2.8.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/image_send_to_editor_url