X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FCore%2FSystem.php;h=4e2b63f044bbb2ae30ee374924671bf37c3f040e;hb=cd9b864045588308e18e16f7a1c1029fd380d8fd;hp=84a64ab9a8f4ee0d24d842eeb25d586c12bb49d1;hpb=7211fc4f1ac33819ed0543ac65f9a075250c3190;p=friendica.git diff --git a/src/Core/System.php b/src/Core/System.php index 84a64ab9a8..4e2b63f044 100644 --- a/src/Core/System.php +++ b/src/Core/System.php @@ -85,20 +85,6 @@ class System extends BaseObject return implode(', ', $callstack2); } - /** - * @brief Called from db initialisation when db is dead. - */ - static public function unavailable() { -echo <<< EOT - - System Unavailable - Apologies but this site is unavailable at the moment. Please try again later. - -EOT; - - killme(); - } - /** * Generic XML return * Outputs a basic dfrn XML status structure to STDOUT, with a variable @@ -175,9 +161,51 @@ EOT; killme(); } + /** + * Generates a GUID with the given parameters + * + * @param int $size The size of the GUID (default is 16) + * @param bool|string $prefix A given prefix (default is empty) + * @return string a generated GUID + */ + public static function createGUID($size = 16, $prefix = '') + { + if (is_bool($prefix) && !$prefix) { + $prefix = ''; + } elseif (empty($prefix)) { + $prefix = hash('crc32', self::getApp()->get_hostname()); + } + + while (strlen($prefix) < ($size - 13)) { + $prefix .= mt_rand(); + } + + if ($size >= 24) { + $prefix = substr($prefix, 0, $size - 22); + return str_replace('.', '', uniqid($prefix, true)); + } else { + $prefix = substr($prefix, 0, max($size - 13, 0)); + return uniqid($prefix); + } + } + + /** + * Generates a process identifier for the logging + * + * @param string $prefix A given prefix + * + * @return string a generated process identifier + */ + public static function processID($prefix) + { + // We aren't calling any other function here. + // Doing so could easily create an endless loop + $trailer = $prefix . ':' . getmypid() . ':'; + return substr($trailer . uniqid('') . mt_rand(), 0, 26); + } + /// @todo Move the following functions from boot.php /* - function get_guid($size = 16, $prefix = "") function killme() function goaway($s) function local_user()