Sync changes v29.0.0 from IceHrmPro (https://icehrm.com/purchase-icehrmpro)

core/lib/saml2/MoSAMLBasicEnum.php

@@ -0,0 +1,33 @@
+<?php
+
+abstract class MoSAMLBasicEnum {
+	private static $constCacheArray = NULL;
+
+	public static function getConstants() {
+		if (self::$constCacheArray == NULL) {
+			self::$constCacheArray = array();
+		}
+		$calledClass = get_called_class();
+		if (!array_key_exists($calledClass, self::$constCacheArray)) {
+			$reflect = new ReflectionClass($calledClass);
+			self::$constCacheArray[$calledClass] = $reflect->getConstants();
+		}
+		return self::$constCacheArray[$calledClass];
+	}
+
+	public static function isValidName($name, $strict = false) {
+		$constants = self::getConstants();
+
+		if ($strict) {
+			return array_key_exists($name, $constants);
+		}
+
+		$keys = array_map('strtolower', array_keys($constants));
+		return in_array(strtolower($name), $keys);
+	}
+
+	public static function isValidValue($value, $strict = true) {
+		$values = array_values(self::getConstants());
+		return in_array($value, $values, $strict);
+	}
+}