Stupid lowbrow API proxy

proxy.php

<?php
	function cleanup($string) {
		$string = strip_tags($string);
		$string = preg_replace('/&(quot|apos|lt|gt);/','',$string);
		$string = html_entity_decode(htmlspecialchars_decode($string));
		return $string;
	}
	
	function generate($count){
		$nums = array();
		for($i=0;$i<$count;$i++)
			$nums[] = rand(3,20473);
		return $nums;
	}
	$mysql = mysql_connect();
	mysql_select_db('brow_proxy');

	$ids = array();
	if($_GET['i']){
		$ids = explode(',',$_GET['i']);
	}
	else if($_GET['c']){
		if ($_GET['c'] > 10) $_GET['c'] = 10;
		$ids = generate($_GET['c']);
	}
	else die(json_encode(false));

	$res = mysql_query(sprintf("select id, id dbid,date,lbid,moment from moments where id in (%s)",mysql_real_escape_string(implode(',',$ids))));
	if(!$res) die(mysql_error());
	$rows = array(); 
	$moments = array();
	while($row = mysql_fetch_assoc($res)){
		$rows[$row['dbid']] = $row;
	}
	foreach($ids as $id) {
			if(!$rows[$id]) {
				$moment = file_get_contents(sprintf('http://lowbrow.blackholed.org/api/key=336ebbb2179beaa7340a4f1620f3af40/qid=%s/api.json',$id));
				$moment = json_decode($moment,true);
				$moment['quote'] = cleanup($moment['quote']);
				$moment['id'] = $moment['dbid'];
				$moments[] = $moment;
				$res = mysql_query(sprintf("insert into moments (id,date,lbid,moment) values (%d,'%s',%d,'%s')",
						mysql_real_escape_string($moment['dbid']),
						mysql_real_escape_string($moment['date']),
						mysql_real_escape_string($moment['lbid']),
						mysql_real_escape_string($moment['quote'])));
				if(!$res) die(mysql_error());
			}
			else {
				$moments[] = $rows[$id];
			}
	}
	if(count($moments) == 1) $moments = $moments[0];
	print json_encode($moments);
?>