<?php
$custom_tax = array(
'subjects' => array(73,72)
);
$post = array(
'post_content' => 'This will be the content.',
'post_title' => 'Hello World 1',
'tax_input' => $custom_tax
);
$post_id = wp_insert_post( $post );
?>
//create a custom taxonomy name it subjects for your posts
function create_subjects_hierarchical_taxonomy() {
// Add new taxonomy, make it hierarchical like categories
//first do the translations part for GUI
$labels = array(
'name' => _x( 'Subjects', 'taxonomy general name' ),
'singular_name' => _x( 'Subject', 'taxonomy singular name' ),
'search_items' => __( 'Search Subjects' ),
'all_items' => __( 'All Subjects' ),
'parent_item' => __( 'Parent Subject' ),
'parent_item_colon' => __( 'Parent Subject:' ),
'edit_item' => __( 'Edit Subject' ),
'update_item' => __( 'Update Subject' ),
'add_new_item' => __( 'Add New Subject' ),
'new_item_name' => __( 'New Subject Name' ),
'menu_name' => __( 'Subjects' ),
);
// Now register the taxonomy
register_taxonomy('subjects',array('post'), array(
'hierarchical' => true,
'labels' => $labels,
'show_ui' => true,
'show_in_rest' => true,
'show_admin_column' => true,
'query_var' => true,
'rewrite' => array( 'slug' => 'subject' ),
));
}
<?php
$custom_tax = array(
'subjects' => array(73,72)
);
// $post = array(
// 'post_content' => 'This will be the content.',
// 'post_title' => 'Hello World 1',
// 'tax_input' => $custom_tax
// );
// $post_id = wp_insert_post( $post );
$custom_tax = array(
'subjects' => array(73)
);
$my_post = array(
'ID' => 2512,
'post_title' => 'This is the post title.',
'post_content' => 'This is the updated content.',
'tax_input' => $custom_tax
);
// Update the post into the database
wp_update_post( $my_post );
?>