1 files changed, 47 insertions, 0 deletions
diff --git a/tests/UnitTests/TemplateSource/X_Scopes/plugins/function.checkvar.php b/tests/UnitTests/TemplateSource/X_Scopes/plugins/function.checkvar.php
new file mode 100644
index 00000000..71740902
--- /dev/null
+++ b/tests/UnitTests/TemplateSource/X_Scopes/plugins/function.checkvar.php
@@ -0,0 +1,47 @@
+<?php
+/**
+ * Smarty plugin for testing scopes
+ *
+
+
+ */
+
+use Smarty\Template;
+
+/**
+ * Smarty {checkvar}
+ *
+ * @param array $params parameter array
+ * @param Template $template template object
+ *
+ * @return string
+ */
+function smarty_function_checkvar($params, \Smarty\Template $template)
+{
+    $output = '';
+    $types = ['template', 'data', 'global'];
+    if (isset($params['types'])) {
+        $types = (array)$params['types'];
+    }
+    $var = $params['var'];
+    $ptr = $template;
+    while ($ptr) {
+        if (in_array('template', $types) && $ptr instanceof Template) {
+            $output .= "#{$ptr->getSource()->name}:\${$var} =";
+            $output .= $ptr->hasVariable($var) ? preg_replace('/\s/', '', var_export($ptr->getValue($var), true)) : '>unassigned<';
+            $ptr = $ptr->parent;
+        } elseif (in_array('data', $types) && !($ptr instanceof Template || $ptr instanceof \Smarty\Smarty)) {
+            $output .= "#data:\${$var} =";
+            $output .= $ptr->hasVariable($var) ? preg_replace('/\s/', '', var_export($ptr->getValue($var), true)) : '>unassigned<';
+            $ptr = $ptr->parent;
+        } else {
+            $ptr = null;
+        }
+    }
+    if (in_array('global', $types)) {
+        $output .= "#global:\${$var} =";
+        $output .= $template->getSmarty()->hasVariable($var) ?
+            preg_replace('/\s/', '', var_export($template->getSmarty()->getValue($var), true)) : '>unassigned<';
+    }
+    return $output;
+}