Helper method to check if a view block exists or not

src/View/View.php

@@ -588,6 +588,17 @@ public function end() {
 		$this->Blocks->end();
 	}
 
+/**
+ * Check if a block exists
+ *
+ * @param string $name Name of the block
+ *
+ * @return bool
+ */
+	public function exists($name) {
+		return $this->Blocks->exists($name);
+	}
+
 /**
  * Provides view or element extension/inheritance. Views can extends a
  * parent view and populate blocks in the parent template.

src/View/ViewBlock.php

@@ -154,6 +154,16 @@ public function get($name, $default = '') {
 		return $this->_blocks[$name];
 	}
 
+/**
+ * Check if a block exists
+ *
+ * @param string $name Name of the block
+ * @return bool
+ */
+	public function exists($name) {
+		return isset($this->_blocks[$name]);
+	}
+
 /**
  * Get the names of all the existing blocks.
  *

tests/TestCase/View/ViewTest.php

@@ -1349,6 +1349,17 @@ public function testBlockReset() {
 	}
 
 /**
+ * Test checking a block's existance.
+ *
+ * @return void
+ */
+	public function testBlockExist() {
+		$this->assertFalse($this->View->exists('test'));
+		$this->View->assign('test', 'Block content');
+		$this->assertTrue($this->View->exists('test'));
+	}
+
+	/**
  * Test setting a block's content to null
  *
  * @return void