1 files changed, 76 insertions, 0 deletions
diff --git a/Mustache/LambdaHelper.php b/Mustache/LambdaHelper.php
new file mode 100644
index 00000000..e93dbfa3
--- /dev/null
+++ b/Mustache/LambdaHelper.php
@@ -0,0 +1,76 @@
+<?php
+
+/*
+ * This file is part of Mustache.php.
+ *
+ * (c) 2010-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Mustache Lambda Helper.
+ *
+ * Passed as the second argument to section lambdas (higher order sections),
+ * giving them access to a `render` method for rendering a string with the
+ * current context.
+ */
+class Mustache_LambdaHelper
+{
+    private $mustache;
+    private $context;
+    private $delims;
+
+    /**
+     * Mustache Lambda Helper constructor.
+     *
+     * @param Mustache_Engine  $mustache Mustache engine instance
+     * @param Mustache_Context $context  Rendering context
+     * @param string           $delims   Optional custom delimiters, in the format `{{= <% %> =}}`. (default: null)
+     */
+    public function __construct(Mustache_Engine $mustache, Mustache_Context $context, $delims = null)
+    {
+        $this->mustache = $mustache;
+        $this->context  = $context;
+        $this->delims   = $delims;
+    }
+
+    /**
+     * Render a string as a Mustache template with the current rendering context.
+     *
+     * @param string $string
+     *
+     * @return string Rendered template
+     */
+    public function render($string)
+    {
+        return $this->mustache
+            ->loadLambda((string) $string, $this->delims)
+            ->renderInternal($this->context);
+    }
+
+    /**
+     * Render a string as a Mustache template with the current rendering context.
+     *
+     * @param string $string
+     *
+     * @return string Rendered template
+     */
+    public function __invoke($string)
+    {
+        return $this->render($string);
+    }
+
+    /**
+     * Get a Lambda Helper with custom delimiters.
+     *
+     * @param string $delims Custom delimiters, in the format `{{= <% %> =}}`
+     *
+     * @return Mustache_LambdaHelper
+     */
+    public function withDelimiters($delims)
+    {
+        return new self($this->mustache, $this->context, $delims);
+    }
+}