עדכון סטטוס פוסט ותוכן בעזרת קוד PHP

// Update post 37
  $my_post = array(
      'ID'           => 37,
      'post_title'   => 'This is the post title.',
      'post_content' => 'This is the updated content.',
  );

// Update the post into the database
  wp_update_post( $my_post );

https://codex.wordpress.org/Function_Reference/wp_update_post