Updates an existing Category or creates a new Category.
Parameters
$catarr
arrayrequired- Array of arguments for inserting a new category.
cat_ID
intCategory ID. A non-zero value updates an existing category.
Default 0.taxonomy
stringTaxonomy slug. Default'category'
.cat_name
stringCategory name. Default empty.category_description
stringCategory description. Default empty.category_nicename
stringCategory nice (display) name. Default empty.category_parent
int|stringCategory parent ID. Default empty.
$wp_error
booloptionalDefault:
false
Source
function wp_insert_category( $catarr, $wp_error = false ) {
$cat_defaults = array(
'cat_ID' => 0,
'taxonomy' => 'category',
'cat_name' => '',
'category_description' => '',
'category_nicename' => '',
'category_parent' => '',
);
$catarr = wp_parse_args( $catarr, $cat_defaults );
if ( '' === trim( $catarr['cat_name'] ) ) {
if ( ! $wp_error ) {
return 0;
} else {
return new WP_Error( 'cat_name', __( 'You did not enter a category name.' ) );
}
}
$catarr['cat_ID'] = (int) $catarr['cat_ID'];
// Are we updating or creating?
$update = ! empty( $catarr['cat_ID'] );
$name = $catarr['cat_name'];
$description = $catarr['category_description'];
$slug = $catarr['category_nicename'];
$parent = (int) $catarr['category_parent'];
if ( $parent < 0 ) {
$parent = 0;
}
if ( empty( $parent )
|| ! term_exists( $parent, $catarr['taxonomy'] )
|| ( $catarr['cat_ID'] && term_is_ancestor_of( $catarr['cat_ID'], $parent, $catarr['taxonomy'] ) ) ) {
$parent = 0;
}
$args = compact( 'name', 'slug', 'parent', 'description' );
if ( $update ) {
$catarr['cat_ID'] = wp_update_term( $catarr['cat_ID'], $catarr['taxonomy'], $args );
} else {
$catarr['cat_ID'] = wp_insert_term( $catarr['cat_name'], $catarr['taxonomy'], $args );
}
if ( is_wp_error( $catarr['cat_ID'] ) ) {
if ( $wp_error ) {
return $catarr['cat_ID'];
} else {
return 0;
}
}
return $catarr['cat_ID']['term_id'];
}
To insert a new category: