get all post in csv

show_all_posts.php

<textarea style="width: 100%; height: 299px;" onclick="select();">
<?php
	$args = array(
			'post_type' => array( 'post', 'page', 'media', 'news' ),
			'posts_per_page' => -1,
	);
	echo 'Title of page, URL of Page'. PHP_EOL;
	$dump = new WP_Query($args);
	if($dump->have_posts()){
		while($dump->have_posts()){
			$dump->the_post();
			echo get_the_title().",".urldecode(get_the_permalink()).PHP_EOL;
		}
	}
?>
</textarea>