/**
* Get the revision number from the local git clone data.
*
* @param int $length The length of the revision hash to return
*
* @return string|void
*/
public static function getRevision($length = 10)
{
$revision = Cache::call("revision", function () {
$path = static::path(".git");
if (!is_dir($path)) {
return;
}
$head = $path . "/HEAD";
if (!file_exists($head)) {
return;
}
$data = File::getContents($head);
if (!preg_match("/ref: ([^\\s]+)\\s/", $data, $matches)) {
return;
}
$ref = $path . "/" . $matches[1];
if (!file_exists($ref)) {
return;
}
return File::getContents($ref);
});
if ($length > 0) {
return substr($revision, 0, $length);
} else {
return $revision;
}
}
/**
* Get the currencies supported by the Html class methods.
*
* @param boolean $symbols Whether to return a multi-dimensional array with the symbols of a currency, or just the currency codes and their names
*
* @return array Keyed by the currency code, value depends on the $symbols parameter
*/
public static function getCurrencies($symbols = null)
{
$currencies = Cache::call("get-currencies", function () {
$currencies = Yaml::decodeFromFile(__DIR__ . "/../data/currencies.yml");
return array_map(function ($data) {
if (!isset($data["prefix"])) {
$data["prefix"] = "";
}
if (!isset($data["suffix"])) {
$data["suffix"] = "";
}
return $data;
}, $currencies);
});
if ($symbols) {
return $currencies;
}
$return = [];
foreach ($currencies as $key => $val) {
$return[$key] = $val["title"];
}
return $return;
}