apply_filters( 'post_gallery', string $output, array $attr, int $instance )

Filters the default gallery shortcode output.

Description Description

If the filtered output isn’t empty, it will be used instead of generating the default gallery template.

See also See also

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Parameters Parameters


(string) The gallery output. Default empty.


(array) Attributes of the gallery shortcode.


(int) Unique numeric ID of this gallery shortcode instance.

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Source Source

File: wp-includes/media.php

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Changelog Changelog

Version Description
4.2.0 The $instance parameter was added.
2.5.0 Introduced.

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