wp_create_categories() – Create categories for the given post.

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Description

Create categories for the given post.

Usage

$int[] = wp_create_categories( $categories, $post_id );

Parameters

$categories
( string[] ) required – Array of category names to create.
$post_id
( int ) optional – Optional. The post ID. Default empty.

Returns

int[] Array of IDs of categories assigned to the given post.

Source

File name: wordpress/wp-admin/includes/taxonomy.php
Lines:

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function wp_create_categories( $categories, $post_id = '' ) {
  $cat_ids = array();
  foreach ( $categories as $category ) {
    $id = category_exists( $category );
    if ( $id ) {
      $cat_ids[] = $id;
    } else {
      $id = wp_create_category( $category );
      if ( $id ) {
        $cat_ids[] = $id;
      }
    }
  }

  if ( $post_id ) {
    wp_set_post_categories( $post_id, $cat_ids );
  }

  return $cat_ids;
}
 

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