first commit

lib/old/libs/sysplugins/smarty_internal_runtime_foreach.php

@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * Foreach Runtime Methods count
+ *
+ * @package    Smarty
+ * @subpackage PluginsInternal
+ * @author     Uwe Tews
+ *
+ **/
+class Smarty_Internal_Runtime_Foreach
+{
+    /**
+     * [util function] counts an array, arrayAccess/traversable or PDOStatement object
+     *
+     * @param  mixed $value
+     *
+     * @return int   the count for arrays and objects that implement countable, 1 for other objects that don't, and 0
+     *               for empty elements
+     */
+    public function count($value)
+    {
+        if (is_array($value) === true || $value instanceof Countable) {
+            return count($value);
+        } elseif ($value instanceof IteratorAggregate) {
+            // Note: getIterator() returns a Traversable, not an Iterator
+            // thus rewind() and valid() methods may not be present
+            return iterator_count($value->getIterator());
+        } elseif ($value instanceof Iterator) {
+            if ($value instanceof Generator) {
+                return 1;
+            }
+            return iterator_count($value);
+        } elseif ($value instanceof PDOStatement) {
+            return $value->rowCount();
+        } elseif ($value instanceof Traversable) {
+            return iterator_count($value);
+        } elseif ($value instanceof ArrayAccess) {
+            if ($value->offsetExists(0)) {
+                return 1;
+            }
+        } elseif (is_object($value)) {
+            return count($value);
+        }
+        return 0;
+    }
+}