wp_revisions_to_keep │ filter-hook │ WP 3.6.0

Filters the number of revisions to save for the given post.

Overrides the value of WP_POST_REVISIONS.

Usage

add_filter( 'wp_revisions_to_keep', 'wp_kama_revisions_to_keep_filter', 10, 2 );

/**
 * Function for `wp_revisions_to_keep` filter-hook.
 * 
 * @param int     $num  Number of revisions to store.
 * @param WP_Post $post Post object.
 *
 * @return int
 */
function wp_kama_revisions_to_keep_filter( $num, $post ){

	// filter...
	return $num;
}

$num(int)

Number of revisions to store.

$post(WP_Post)

Post object.

Changelog

Where the hook is called

$num = apply_filters( 'wp_revisions_to_keep', $num, $post );

Where the hook is used in WordPress