php - Issues wih the Wordpress API Customization -

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i'm making first wordpress theme , i'm learning api customization. there's wrong code made. what's wrong? when load wp-admin page, it's shown blank.

this php code

//welcome message settings      $wp_customize->add_setting( 'welcome_message' , array(         'default'     => 'hi',     ));          $wp_customize->add_section( 'test_welcomemessage' , array(         'title'      => __('welcome message','my_test'),         'description'   => 'write own welcome message visitors'     ));      $wp_customize->add_control( 'welcome_message', array(         'label'      => __( 'welcome messagee', 'mytheme' ),         'section'    => 'test_welcomemessage',         'settings'   => 'welcome_message'     )));  }

and html structure

<div id="welcomecontainer">  <div class="welcomemessage"><?php echo get_theme_mod('welcome_message'); ?></div> </div>

what's wrong in code? thank you

in order make use of $wp_customize->.. need make use of customize_register hook:

add_action( 'customize_register', 'register_my_settings' ); function register_my_settings( $wp_customize ){   $wp_customize->add_section( 'test_welcomemessage' , array(     'title'      => __('welcome message','my_test'),     'description'   => 'write own welcome message visitors'   )); }

(i'm not sure if order important here, need have: add_section, add_setting add_control)

besides that, when developing, make sure have wp_debug set true (edit wp-config.php in project's root, , end of file find setting) in order see errors (also, make sure server set display errors)


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