Add laravel blade-style 'stacks' to views

1 files changed, 40 insertions, 0 deletions

diff --git a/app/View.php b/app/View.php
index bc59ee1a8c..8d78b832ae 100644
--- a/app/View.php
+++ b/app/View.php
@@ -30,6 +30,16 @@ class View {
 	private $data;
 
 	/**
+	 * @var string Implementation of Blade "stacks".
+	 */
+	private static $stack;
+
+	/**
+	 * @var array[] Implementation of Blade "stacks".
+	 */
+	private static $stacks = [];
+
+	/**
 	 * Createa view from a template name and optional data.
 	 *
 	 * @param       $name
@@ -41,6 +51,36 @@ class View {
 	}
 
 	/**
+	 * Implementation of Blade "stacks".
+	 *
+	 * @see https://laravel.com/docs/5.5/blade#stacks
+	 */
+	public static function push(string $stack) {
+		self::$stack = $stack;
+		ob_start();
+	}
+
+	/**
+	 * Implementation of Blade "stacks".
+	 */
+	public static function endpush() {
+		self::$stacks[self::$stack][] = ob_get_clean();
+	}
+
+	/**
+	 * Implementation of Blade "stacks".
+	 *
+	 * @return string
+	 */
+	public static function stack(string $stack): string {
+		$content = implode('', self::$stacks[$stack] ?? []);
+
+		self::$stacks[$stack] = [];
+
+		return $content;
+	}
+
+	/**
 	 * Render a view.
 	 *
 	 * @return string