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Summery Summery
Retrieves the value for an image attachment’s ‘sizes’ attribute.
Syntax Syntax
Parameters Parameters
- $attachment_id
-
(Required) Image attachment ID.
- $size
-
(Optional) Image size. Accepts any valid image size, or an array of width and height values in pixels (in that order). Default 'medium'.
Default value: 'medium'
- $image_meta
-
(Optional) The image meta data as returned by 'wp_get_attachment_metadata()'.
Default value: null
Return Return
(string|bool) A valid source size value for use in a 'sizes' attribute or false.
Source Source
File: wp-includes/media.php
}
$srcset = '';
foreach ( $sources as $source ) {
$srcset .= str_replace( ' ', '%20', $source['url'] ) . ' ' . $source['value'] . $source['descriptor'] . ', ';
}
return rtrim( $srcset, ', ' );
}
/**
* Retrieves the value for an image attachment's 'sizes' attribute.
*
* @since 4.4.0
*
* @see wp_calculate_image_sizes()
*
* @param int $attachment_id Image attachment ID.
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Changelog Changelog
| Version | Description |
|---|---|
| 4.4.0 | Introduced. |