For peter

round.php

<?php

echo print_rated_usd($argv[2]);
echo "\n";

function post_custom($strTmp){
	global $argv;
	if($strTmp === 'JPY price'){
		return $argv[1];
	}else{
		return $argv[3];
	}
}

function print_rated_usd($usd_rate){
	if(is_null($usd_rate) or $usd_rate == 0){
		$int_usd = -1;
	}else{
		$int_usd = post_custom('USD price');
		if(is_null($int_usd)){
			$int_jpy = post_custom('JPY price');
			$int_usd = round($int_jpy / $usd_rate, -1);
			print $int_jpy / $usd_rate;
			print "\n";
		}
	}
	return $int_usd;
}

?>