EVE Simple CREST Cache

index.php

<?
ini_set('max_execution_time', 60);
set_time_limit(60);
error_reporting(0);
$options = array(
	'base_url' => 'https://public-crest.eveonline.com',
	'cache_expiry' => 1200
)
$filename = 'cache-'.md5($_SERVER['REQUEST_URI']);
if (!file_exists($filename)) {
	$request = file_get_contents($options['base_url'].$_SERVER['REQUEST_URI']);
	if ($request !== FALSE) {
		file_put_contents($filename, $request);
	}
}
if (file_exists($filename)) {
	closeOutput(file_get_contents($filename));
}
if (filemtime($filename) < (time()-$options['cache_expire']
	$request = file_get_contents($options['base_url'].$_SERVER['REQUEST_URI']);
	
	if ($request !== FALSE) {
		file_put_contents($filename, $request);
	}
}
//print(var_export($_SERVER, true));
function closeOutput($stringToOutput){   
	set_time_limit(0);
	ignore_user_abort(true);
	header("Connection: close\r\n");
	header("Content-Encoding: none\r\n");
	ob_start();
	// Blank response, store as empty JSON object
	if ($stringToOutput == '') {
		$stringToOutput = '{}';
	}
	echo $stringToOutput;
	$size = ob_get_length();
	header("Content-Length: $size",TRUE);
	ob_end_flush();
	ob_flush();
	flush();
}