settings-api - Read For Learn

Add a Custom Permalink option in the Permalink Admin Screen?

To hook your custom plugin settings into the Permalink settings, use the following: add_action(‘admin_init’, ‘wpse_237141_custom_permalink_section’); function wpse_237141_custom_permalink_section() { add_settings_section( ‘your_custom_id’, // ID ‘Your Plugin Settings’, // Section title ‘your_callback’, // Callback for your function ‘permalink’ // Location (Settings > Permalinks) ); } You’ll need to fill in the blanks to display your own custom functions, … Read more

Extend plugin options page

If a third party plugin (the plugin you want to extend) uses the Settings API, you can add a new setting field if you now the options page and option group defined by the third party plugin. Just use the Settings APT too: First, with add_setting_field() you can add a new field to any settings … Read more

Stop the form of beign submitted on “Save changes” custom option page

How to stop the form data from being saved on error Actually, the “Settings saved.” message does not necessarily mean that the options/value in the database was actually updated — because if the old and new values were the same, means there were no changes, then the old value will not be re-saved or overwritten … Read more

What is the use of get_option method

Well, as you can see in the contributed example to the WordPress Reference, it is not that add_settings_field magically knows about a setting being true or false, and it is not limited to checkboxes (boolean flags): Instead, the function signature states clearly that the $callback parameter it is required. And the introduction says: The $callback … Read more

Get page slug in Admin menu

A fast and easy solution is to fetch the slug with $_GET[‘page’]. Don’t forget to do some safety checks on the query after getting it. Also, while i’m on it, to make the submenu items show up below your top level you need to change the first property of add_submenu_page to your top level slug. … Read more

Performance of several get_option() calls

If you check the implementation of get_option() you’ll see that in line 168 it calls wp_cache_get() like so: $value = wp_cache_get( $option, ‘options’ ); This means multiple calls to get_option(“style_settings”) within the same PHP execution will be served from cache. There is no need to re-invent this, as you might break other functionality with it. … Read more

How to display some settings for super admin user only using Settings API

Test the current user’s role with current_user_can( ‘administrator’ ): if ( current_user_can( ‘administrator’ ) ) { add_settings_field( /* arguments */ ); // or add_settings_section( /* arguments */ ); } Make sure to use the same check when you save the options. Otherwise your regular users might delete the values.

Can I dynamically create duplicate fields with the Settings API?

If you want to do this with options, save the routes as an array rather than individual options, or save the number of routes in an option so you can dynamically create and fetch them by building the option names based on the number you save. However, rather than saving this stuff in options, I … Read more

How can one utilize a variable as a callback function name for add_settings_field

Do not use different callbacks, use the the sixth parameter for add_settings_field() instead. That is an array, and you can pass any data to the callback here. Example: foreach( $theOptions as $k => $v ) { add_settings_field( $k, $v, ‘my_callback’, $the_options, $the_group, array ( ‘special’ => $k ) ); } function my_callback( $args ) { … Read more

Does settings API create settings on run time?

Yes, you can and it’s easier using a Class. In the admin_init hook (where the Settings API is being registered and defined) set a class property based on the user ID: $this->prefix = ‘uid_’ . get_current_user_id() . ‘_’; Then, in the rest of the code, refer to your option name as $this->prefix . ‘option_name’. The … Read more

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