Remove 'posts' menu from WP admin

remove_posts_menu.php

function remove_menus() {
	global $menu;
	$restricted = array( __('Posts'));
	end($menu);

	while(prev($menu))
	{
		$value = explode(' ',$menu[key($menu)][0]);

		if(in_array($value[0]!= NULL?$value[0]:"", $restricted))
		{
			unset($menu[key($menu)]);
		}
	}
}
add_action('admin_menu','remove_menus');