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wp_filter_wp_template_unique_post_slug is private and should not be used in themes or plugins directly.
wp_filter_wp_template_unique_post_slug › WordPress Function
Since5.8.0
Deprecatedn/a
› wp_filter_wp_template_unique_post_slug ( $override_slug, $slug, $post_id, $post_status, $post_type )
Access: |
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Parameters: (5) |
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Returns: |
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Defined at: |
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Codex: |
Generates a unique slug for templates.
Source
function wp_filter_wp_template_unique_post_slug( $override_slug, $slug, $post_id, $post_status, $post_type ) {
if ( 'wp_template' !== $post_type && 'wp_template_part' !== $post_type ) {
return $override_slug;
}
if ( ! $override_slug ) {
$override_slug = $slug;
}
/*
* Template slugs must be unique within the same theme.
* TODO - Figure out how to update this to work for a multi-theme environment.
* Unfortunately using `get_the_terms()` for the 'wp-theme' term does not work
* in the case of new entities since is too early in the process to have been saved
* to the entity. So for now we use the currently activated theme for creation.
*/
$theme = get_stylesheet();
$terms = get_the_terms( $post_id, 'wp_theme' );
if ( $terms && ! is_wp_error( $terms ) ) {
$theme = $terms[0]->name;
}
$check_query_args = array(
'post_name__in' => array( $override_slug ),
'post_type' => $post_type,
'posts_per_page' => 1,
'no_found_rows' => true,
'post__not_in' => array( $post_id ),
'tax_query' => array(
array(
'taxonomy' => 'wp_theme',
'field' => 'name',
'terms' => $theme,
),
),
);
$check_query = new WP_Query( $check_query_args );
$posts = $check_query->posts;
if ( count( $posts ) > 0 ) {
$suffix = 2;
do {
$query_args = $check_query_args;
$alt_post_name = _truncate_post_slug( $override_slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
$query_args['post_name__in'] = array( $alt_post_name );
$query = new WP_Query( $query_args );
++$suffix;
} while ( count( $query->posts ) > 0 );
$override_slug = $alt_post_name;
}
return $override_slug;
}