apply_filters( 'wp_get_attachment_image_attributes', array $attr, WP_Post $attachment, string|array $size )

Filters the list of attachment image attributes.


Description Description


Parameters Parameters

$attr

(array) Attributes for the image markup.

$attachment

(WP_Post) Image attachment post.

$size

(string|array) Requested size. Image size or array of width and height values (in that order). Default 'thumbnail'.


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Source Source

File: wp-includes/media.php

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Changelog Changelog

Changelog
Version Description
2.8.0 Introduced.

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User Contributed Notes User Contributed Notes

  1. Skip to note content
    Contributed by Drew Jaynes

    Add a data attribute to each <img> tag in a gallery
    Note: this filter runs inside wp_get_attachment_image(), which means your attribute will be added for all uses of the function.

    /**
     * Filter attributes for the current gallery image tag to add a 'data-full'
     * data attribute.
     *
     * @param array   $atts       Gallery image tag attributes.
     * @param WP_Post $attachment WP_Post object for the attachment.
     * @return array (maybe) filtered gallery image tag attributes.
     */
    function wpdocs_filter_gallery_img_atts( $atts, $attachment ) {
    	if ( $full_size = wp_get_attachment_image_src( $attachment->ID, 'full' ) ) {
    		if ( ! empty( $full_size[0] ) ) {
    			$atts['data-full'] = $full_size[0];
    		}
    	}
    	return $atts;
    }
    add_filter( 'wp_get_attachment_image_attributes', 'wpdocs_filter_gallery_img_atts', 10, 2 );
    

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