Learn about the WordPress hook username_exists and how it is used to check for the existence of a username in the database during user registration. Understand its parameters, troubleshooting, best practices, and see a usage example.
Learn about the users_list_table_query_args hook in WordPress and how developers can use it to customize the user query arguments for the users list table. Find out the parameters, best practices, and a usage example for this specific hook.
Learn about the validate_current_theme hook in WordPress and how it can be used to perform custom validation checks on the active theme. Understand its location, parameters, troubleshooting, best practices, and usage examples.
Learn about the validate_password_reset hook in WordPress and how it can be used to add custom validation before resetting a user's password. Understand its parameters, troubleshooting if it doesn't work, best practices, and usage examples.
Learn about the validate_username hook in WordPress and how it can be used to add custom validation rules for user registration. Understand the parameters, potential issues, and best practices for using this hook effectively. Plus, get a usage example to see it in action.
Learn about the video_upload_iframe_src hook in WordPress and how developers can modify the source URL of the iframe used for the video upload feature. Understand its location, parameters, troubleshooting, best practices, and usage with a helpful example.
Learn about the WordPress hook whitelist_options and how it can be used to filter and restrict options from being modified in the database. Understand its parameters, troubleshooting tips, best practices, and see a usage example in this comprehensive guide.
Learn how to use the widget_{$this->id_base}_instance hook in WordPress to modify widget instance data before it is saved. Understand its parameters, best practices, and troubleshooting tips. Plus, get a usage example for implementing this hook in your WordPress site.
Learn how to use the widget_{$this->id_base}_instance_schema hook in WordPress to modify the schema of a widget instance before saving it. Understand the parameters, best practices, and usage examples for this specific hook.
Learn about the widget_archives_dropdown_args hook in Wordpress, how it works, its parameters, troubleshooting tips, best practices, and a usage example. Customize the Archives widget dropdown with this powerful hook.
Learn about the WordPress hook widget_block_content and how it allows developers to dynamically modify the content of widget blocks for customization and flexibility on the front end of a website. Understand best practices and troubleshooting tips for using this hook effectively.
Learn how to use the widget_categories_args hook in WordPress to modify the arguments used to retrieve categories for the categories widget. Understand the parameters, troubleshooting, best practices, and usage examples for this specific hook.
