add csrf and method blade directives

Author: taylorotwell

Diff for: src/Illuminate/View/Compilers/BladeCompiler.php

@@ -12,6 +12,7 @@ class BladeCompiler extends Compiler implements CompilerInterface
         Concerns\CompilesComponents,
         Concerns\CompilesConditionals,
         Concerns\CompilesEchos,
+        Concerns\CompilesFormHelpers,
         Concerns\CompilesIncludes,
         Concerns\CompilesInjections,
         Concerns\CompilesJson,

Diff for: src/Illuminate/View/Compilers/Concerns/CompilesFormHelpers.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Illuminate\View\Compilers\Concerns;
+
+trait CompilesFormHelpers
+{
+    /**
+     * Compile the CSRF statements into valid PHP.
+     *
+     * @return string
+     */
+    protected function compileCsrf()
+    {
+        return '<?php echo csrf_field(); ?>';
+    }
+
+    /*
+     * Compile the method statements into valid PHP.
+     *
+     * @param  string  $method
+     * @return string
+     */
+    protected function compileMethod($method)
+    {
+        return "<?php echo method_field{$method}; ?>";
+    }
+}

Diff for: tests/View/Blade/BladeFormHelpersTest.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Illuminate\Tests\View\Blade;
+
+class BladeFormHelpersTest extends AbstractBladeTestCase
+{
+    public function testEchosAreCompiled()
+    {
+        $this->assertEquals('<?php echo csrf_field(); ?>', $this->compiler->compileString('@csrf'));
+        $this->assertEquals('<?php echo method_field(\'patch\'); ?>', $this->compiler->compileString("@method('patch')"));
+    }
+}