CREATE THEME SETTINGS PAGE #WP #WORDPRESS

theme_options.php

// https://www.sitepoint.com/create-a-wordpress-theme-settings-page-with-the-settings-api/

function theme_settings_page()
{
    ?>
	    <div class="wrap">
	    <h1>Настройка темы</h1>
	    <form method="post" action="options.php">
	        <?php
	            settings_fields("section");
	            do_settings_sections("theme-options");      
	            submit_button(); 
	        ?>          
	    </form>
		</div>
	<?php
}





function add_theme_menu_item()
{
	add_menu_page("Настройка темы", "Настройка темы", "manage_options", "theme-panel", "theme_settings_page", null, 99);
}

add_action("admin_menu", "add_theme_menu_item");






function display_email()
{
	?>
    	<input type="text" name="email" id="email" value="<?php echo get_option('email'); ?>" style="width: 50%;" />
    <?php
}

function display_theme_panel_fields()
{
	add_settings_section("section", "All Settings", null, "theme-options");
	
	add_settings_field("email", "Эл. почта", "display_email", "theme-options", "section");

    register_setting("section", "email");
}

add_action("admin_init", "display_theme_panel_fields");