initial commmit

klein.php

@@ -0,0 +1,27 @@
+<?php
+
+class Klein {
+    static function render($html, $vars) {
+        $data = file_get_contents($html);
+        $pattern = array(
+            "/{%\s*for\s+(\w+)\s+in\s+(\w+)\s*%}/" => "<?php foreach(\$$2 as \$$1): ?>",
+            "/{%\s*if\s+(\w+)\s*%}/" => "<?php if(isset(\$$1)): ?>",
+            "/{%\s*block\s+(\w+)\s*%}/" => "<?php function $1() { ?>",
+            "/{%\s*endblock\s*%}/" => "<?php } ?>",
+            "/{%\s*endfor\s*%}/" => "<?php endforeach; ?>",
+            "/{%\s*endif\s*%}/" => "<?php endif; ?>",
+            "/{{\s*(\w+)\s*}}/" => "<?php echo \$$1; ?>",
+        );
+    
+        $result = $data;
+        foreach($pattern as $key => $value) {
+            $result = preg_replace($key, $value, $result);
+        }
+    
+        extract($vars);
+        
+        ob_start();
+        eval(" ?>".$result."<?php ");
+        return ob_get_clean();
+    }
+}