Cache Google Analytics Data with Variable Args

gistfile1.php

<?php
function zt_generate_top_posts( $args ) {
	// Queries GA, relates to internal posts
	$top_post_objects = zt_magic_GA_querier( $args );
	
	// If no objects are returned, exit the function
	if ( false === $top_post_objects )
		return false;

	// Start building the HTML
	$html = '<ul>';

	// Loop through post objects and generate HTML
	foreach ( $top_post_objects as $post_object ) {
		$html .= '<li>';
		$html .= '<a href="' . esc_url( $post_object['permalink'] ) . '">';
		$html .= esc_html( $post_object['post_title'] );
		$html .= '</a>';
		$html .= '</li>';  
	}

	$html .= '</ul>';

	return $html;
}