Add ClassLike::getMethod($name)

To allow getting individual method with a given name.

lib/PhpParser/Node/Stmt/ClassLike.php

@@ -10,6 +10,11 @@ abstract class ClassLike extends Node\Stmt {
     /** @var Node[] Statements */
     public $stmts;
 
+    /**
+     * Gets all methods defined directly in this class/interface/trait
+     *
+     * @return ClassMethod[]
+     */
     public function getMethods() {
         $methods = array();
         foreach ($this->stmts as $stmt) {
@@ -19,4 +24,21 @@ abstract class ClassLike extends Node\Stmt {
         }
         return $methods;
     }
+
+    /**
+     * Gets method with the given name defined directly in this class/interface/trait.
+     *
+     * @param string $name Name of the method (compared case-insensitively)
+     *
+     * @return ClassMethod|null Method node or null if the method does not exist
+     */
+    public function getMethod($name) {
+        $lowerName = strtolower($name);
+        foreach ($this->stmts as $stmt) {
+            if ($stmt instanceof ClassMethod && $lowerName === strtolower($stmt->name)) {
+                return $stmt;
+            }
+        }
+        return null;
+    }
 }

test/PhpParser/Node/Stmt/ClassTest.php

@@ -39,4 +39,21 @@ class ClassTest extends \PHPUnit_Framework_TestCase
 
         $this->assertSame($methods, $class->getMethods());
     }
+
+    public function testGetMethod() {
+        $methodConstruct = new ClassMethod('__CONSTRUCT');
+        $methodTest = new ClassMethod('test');
+        $class = new Class_('Foo', array(
+            'stmts' => array(
+                new ClassConst(array()),
+                $methodConstruct,
+                new Property(0, array()),
+                $methodTest,
+            )
+        ));
+
+        $this->assertSame($methodConstruct, $class->getMethod('__construct'));
+        $this->assertSame($methodTest, $class->getMethod('test'));
+        $this->assertNull($class->getMethod('nonExisting'));
+    }
 }