- Added a new {% block ... %} token

- Added a new {% php ... %} token
- Fixed a bug with an OR if foreach is empty

src/ControlStructure/BlockToken.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Picea\ControlStructure;
+
+class BlockToken implements ControlStructure {
+
+    public array $token = [ "block", "arguments" ];
+
+    public function parse(/*\Picae\Compiler\Context*/ &$context, ?string $arguments, string $token) {
+      
+        switch($token) {
+            case "block":
+                return "<?php echo \$___class__template->picea->inlineHtml(\$this, $arguments); ?>";
+        
+            case "arguments":
+                $class = static::class;
+                
+                return <<<PHP
+                    <?php 
+                        try {
+                            extract( \\$class::parseArguments(function($arguments) {}, \$inlineVariables), \EXTR_OVERWRITE);
+                        
+                            unset(\$inlineVariables);
+                        } 
+                        catch(\TypeError \$ex) {
+                            throw new \Exception('A block awaiting arguments `$arguments` instead received `' . implode(', ', array_map('gettype', \$inlineVariables)) . '`');
+                        }
+                    ?>
+            PHP;
+        }   
+    }
+    
+    public static function parseArguments(Callable $method, array $arguments) : array
+    {
+        try{
+            call_user_func_array($method, $arguments);
+        }
+        catch(\TypeError $ex) {
+            throw $ex;
+        } 
+        
+        $parameters = [];
+        
+        foreach((new \ReflectionFunction($method))->getParameters() as $key => $value) {
+            $parameters[ $value->getName() ] = $arguments[$key] ?? $value->getDefaultValue();
+        }
+        
+        return $parameters;
+    }
+}