<?php

// establish variables
$memberposts = "0";
$nonmemberposts = "0";

// first query all posts
$post_query ="SELECT * FROM posts";
$post_result = mysql_query($post_query);
while($post_row = mysql_fetch_array($post_result)) {
	// now we can address each post individually
	// we should set some variables we need
	$postID = $post_row["id"];				// The post ID
	$memberID = $post_row["memberid"];		// The member that made this post
	$isMember = true;						// boolean for whether the member exists or not
	// now we need to figure out if the member with that id still exists
	// to do that you need to do a num_rows query
	$member_query = "SELECT * FROM members WHERE id='$memberID'";
	$member_count = mysql_num_rows($member_query);
	// check if it returns a result
	if($member_count < "1") {
		// the member does not exist
		$isMember = false;
	}
	// now we return the result of our script
	if($isMember) {
		// post verified
		$memberposts++;
	} else {
		// delete the post?
		// I wouldn't
		// $delete_query = "DELETE FROM posts WHERE id='$postID'";
		// mysql_query($delete_query);
		$nonmemberposts++;	
	}
}

// display a report at the end
echo "Total posts by members: " . $membersposts . "<br />total posts by non-members: " . $nonmemberposts;

?>

<?php

// $delete_query = "DELETE ?????FROM posts WHERE id='$postID'";
		// mysql_query($delete_query);
		$nonmemberposts++;	
?>