| 1 | <?php |
| 2 | /* |
| 3 | +--------------------------------------------------------------------+ |
| 4 | | Copyright CiviCRM LLC. All rights reserved. | |
| 5 | | | |
| 6 | | This work is published under the GNU AGPLv3 license with some | |
| 7 | | permitted exceptions and without any warranty. For full license | |
| 8 | | and copyright information, see https://civicrm.org/licensing | |
| 9 | +--------------------------------------------------------------------+ |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * |
| 14 | * @package CRM |
| 15 | * @copyright CiviCRM LLC https://civicrm.org/licensing |
| 16 | */ |
| 17 | |
| 18 | /** |
| 19 | * Class CRM_Utils_Constant |
| 20 | */ |
| 21 | class CRM_Utils_Constant { |
| 22 | |
| 23 | /** |
| 24 | * Determine the value of a constant, if any. |
| 25 | * |
| 26 | * If the specified constant is undefined, check for an environment |
| 27 | * variable, defaulting the passed in default value. |
| 28 | * |
| 29 | * @param string $name |
| 30 | * @param mixed $default |
| 31 | * (optional) |
| 32 | * @return mixed |
| 33 | */ |
| 34 | public static function value(string $name, $default = NULL) { |
| 35 | if (defined($name)) { |
| 36 | return constant($name); |
| 37 | } |
| 38 | if (($value = getenv($name)) !== FALSE) { |
| 39 | define($name, $value); |
| 40 | return $value; |
| 41 | } |
| 42 | return $default; |
| 43 | } |
| 44 | |
| 45 | } |