apply_filters( 'get_image_tag_class', string $class , int $id , string $align , string|array $size )
Filters the value of the attachment’s image tag class attribute.
Description
Parameters
- $class
-
(string) CSS class name or space-separated list of classes.
- $id
-
(int) Attachment ID.
- $align
-
(string) Part of the class name for aligning the image.
- $size
-
(string|array) Size of image. Image size or array of width and height values (in that order). Default 'medium'.
Source
File: wp-includes/media.php
Changelog
| Version | Description |
|---|---|
| 2.6.0 | Introduced. |
To add the .img-fluid class, for responsive images in Bootstrap 4:
function example_add_img_class( $class ) { return $class . ' img-fluid'; } add_filter( 'get_image_tag_class', 'example_add_img_class' );