*** Backup Mirror *** The web interface and JSON api for the ConnectedHumber Air Quality Monitoring Project. https://github.com/ConnectedHumber/Air-Quality-Web
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<?php
namespace SBRL;
class Generators {
/**
* Generates a cryptographically secure random id, as a hex value.
* FUTURE: Improve this to return a safe base64 to reduce length.
* @param int $length The desired length of id.
* @return string The generated id.
*/
public static function crypto_secure_id(int $length = 64) { // 64 = 32
$length = ($length < 4) ? 4 : $length;
return bin2hex(random_bytes(($length-($length%2))/2));
}
}