wordpress plugin requirements

// wordpress plugin requirements

// add option/menu page in plugin
// source link : https://codex.wordpress.org/Administration_Menus
// source link : https://codex.wordpress.org/Function_Reference/add_menu_page
// step 1
if(! function_exists('news_ticker_option_page')):
function news_ticker_option_page(){
	// add_menu_page or add_options_page
	add_menu_page(
		'News ticker options', // page_title
		'News Ticker Plugin', // menu_title
		'manage_options', //capability will go step 3
		'ticker.php', // menu_slug this show in url
		'news_ticker_plugin_page', // function wiil go step 3

		/* The below option only for add_menu_page */
		//plugins_url('/news-ticker/images/icon.png'),25 // only for add_menu_page and icon (20X20 size) insert 25 this will indicate position
		'dashicons-welcome-write-blog',25 // 25 this will indicate position +++ wordpress font icon usage source link: https://developer.wordpress.org/resource/dashicons/
	);
}
add_action('admin_menu','news_ticker_option_page');

endif;




// step 2 for API Settings
if(! function_exists('news_ticker_plugin_page')):
function news_ticker_plugin_page() {
	if ( !current_user_can( 'manage_options' ) )  {
		wp_die( __( 'You do not have sufficient permissions to access this page.' ) );
	}
	echo '<div class="wrap"><h2>This is news ticker options</h2><div>'; // this will show the mail title on the top of page
	?>
	<div class="wrap">
		<h1>Owl Carousel Settings</h1>

		<table class="form-table">
		<tbody>
			<tr>
				<th scope="row">
					<label for="blogname">Site Title</label>
				</th>
				<td>
					<input id="blogname" class="regular-text" type="text" placeholder="<?php echo get_option('blogname');?>" name="blogname">
				</td>
			</tr>
		</tbody>
		</table>
<input name="submit" id="submit" class="button button-primary" value="Save Changes" type="submit">
	</div>
	<?php
}

endif;