Query WordPress and add the metadata to the result.

functions.php

<?php
/*
*	
*	Get posts with a standard query
*	Include all the meta data in the result
*
 */
function get_posts_with_meta( $args ) {

	$query = get_posts($args);

	for($i=0;$i<count($query);$i++) {

		$meta = get_post_meta( $query[$i]->ID );

		foreach( $meta as $key => $value ) {
			$query[$i]->{$key} = $value[0];
		}

	}

	return $query;
}

$args = array(
	'post_type' => 'page',
	'posts_per_page' => -1
);

$query = get_posts_with_meta( $args );

?>