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apply_filters( "postbox_classes_{$screen_id}_{$box_id}", string[] $classes )

Since
3.2.0
Filters the postbox classes for a specific screen and box ID combo.

Description

The dynamic portions of the hook name, $screen_id and $box_id, refer to the screen ID and meta box ID, respectively.

Compatibility

WordPress
since 3.2.0
  • 6.7.7
  • 6.8.8
  • 6.9.7
  • 7.0.4
  • 7.1.0

Present in every tracked release (6.7.7 to 7.1.0).

Parameters

$classesstring[]
An array of postbox classes.

Where this hook fires · 1

  • wp-admin/includes/post.php:1444postbox_classes()

Source code

View on Trac View on GitHub 

	 * the screen ID and meta box ID, respectively.	 *	 * @since 3.2.0	 *	 * @param string[] $classes An array of postbox classes.	 */	$classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes ); 	return implode( ' ', $classes );} /** * Returns a sample permalink based on the post name.

Changelog

Introduced in 3.2.0. Unchanged from 6.7.7 through 7.1.0.

  1. 6.7.7
  2. 6.8.8
  3. 6.9.7
  4. 7.0.4
  5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

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