function example11($api_key, $symbol)
{
$quandl = new Quandl($api_key, "csv");
$result = $quandl->getSymbol("DEBUG/INVALID");
if ($quandl->error and !$result) {
return $quandl->error . " - " . $quandl->last_url;
}
return $result;
}
<?php
//--------------------------------------------------------------
// Example: Quandl API with Cache
//--------------------------------------------------------------
require_once "Quandl.php";
$api_key = "YOUR_KEY_HERE";
$quandl = new Quandl($api_key, "csv");
$quandl->cache_handler = 'cacheHandler';
$data = $quandl->getSymbol("GOOG/NASDAQ_AAPL");
// A simple example of a cache handler.
// This function will be called by the Quandl class.
// When action == "get", you should return a cached
// object or false.
// When action == "set", you should perform the save
// operation to your cache.
function cacheHandler($action, $url, $data = null)
{
$cache_key = md5("quandl:{$url}");
$cache_file = __DIR__ . "/{$cache_key}";
if ($action == "get" and file_exists($cache_file)) {
return file_get_contents($cache_file);
} else {
if ($action == "set") {
file_put_contents($cache_file, $data);
}
}
return false;
}
private function _testBulk($force_curl = false)
{
if (!$this->premium_database) {
$this->markTestSkipped('Premium database is not available. Use QUANDL_PREMIUM environment variable to set a database for testing');
return;
}
$quandl = new Quandl($this->api_key);
$quandl->force_curl = $quandl->no_ssl_verify = $force_curl;
$filename = "tmp.zip";
@unlink($filename);
$this->assertFileNotExists($filename);
$r = $quandl->getBulk($this->premium_database, $filename);
$this->assertFileExists($filename);
$this->assertGreaterThan(100000, filesize($filename));
}
