init

mysyde/common/classes/BasicControlFlowHandler.php

@@ -0,0 +1,47 @@
+<?php
+namespace DynCom\mysyde\common\classes;
+/**
+ * Created by PhpStorm.
+ * User: Bauer
+ * Date: 6/23/2015
+ * Time: 1:17 PM
+ */
+
+class BasicControlFlowHandler {
+
+    /**
+     * @param array $controlFlowArray
+     */
+    public function evaluateControlFlowArray( array &$controlFlowArray ) {
+        foreach($controlFlowArray as &$controlFlowElement) {
+            $this->_evaluateControlFlowArrayElementRecursive($controlFlowElement);
+        }
+    }
+
+    /**
+     * @param array $controlFlowElement
+     */
+    protected function _evaluateControlFlowArrayElementRecursive(array &$controlFlowElement) {
+        $count = count($controlFlowElement);
+        if(!is_array($controlFlowElement) || !($count > 0 && $count < 4)) {
+            throw new \InvalidArgumentException('Every entry to the controlFlowArray must be an array with 3 entries: condition, iftrue, iffalse.');
+        }
+        $condition = $controlFlowElement[0];
+        $ifTrueAction = (isset($controlFlowElement[1]) ? $controlFlowElement[1]:function(){});
+        $ifFalseAction = (isset($controlFlowElement[2]) ? $controlFlowElement[2]:function(){});
+        if(is_callable(($condition))) {$condition = $condition();}
+        if((bool)$condition === true) {
+            if(is_callable($ifTrueAction)) {
+                $ifTrueAction();
+            } elseif(is_array($ifTrueAction)) {
+                $this->_evaluateControlFlowArrayElementRecursive($ifTrueAction);
+            };
+        } elseif((bool)$condition === false) {
+            if(is_callable($ifFalseAction)) {
+                $ifFalseAction();
+            } elseif(is_array($ifFalseAction)) {
+                $this->_evaluateControlFlowArrayElementRecursive($ifFalseAction);
+            }
+        }
+    }
+}