ValueAs::caught

src/ValueAs.php

@@ -280,4 +280,24 @@ public static function transformed($value, callable $callback, $default = null)
   {
     return $value ? self::coalesce($callback($value), $default) : $default;
   }
+
+  /**
+   * Call a callable, catching any exception and returning default
+   *
+   * @param callable $callable
+   * @param mixed    $default
+   *
+   * @return mixed
+   */
+  public static function caught(callable $callable, $default = null)
+  {
+    try
+    {
+      return $callable();
+    }
+    catch(\Exception $e)
+    {
+      return is_callable($default) ? $default($e) : $default;
+    }
+  }
 }

tests/ValueAsTest.php

@@ -166,4 +166,17 @@ public function testTransformed()
     $this->assertEquals('ab', ValueAs::transformed('1', $callback, 'ab'));
     $this->assertEquals('ab', ValueAs::transformed(null, $callback, 'ab'));
   }
+
+  public function testCaught()
+  {
+    $this->assertEquals('abc', ValueAs::caught(function () { throw new \Exception('e'); }, 'abc'));
+    $this->assertEquals(
+      'abcdef',
+      ValueAs::caught(
+        function () { throw new \Exception('abc'); },
+        function (\Exception $e) { return $e->getMessage() . 'def'; }
+      )
+    );
+    $this->assertEquals('xyz', ValueAs::caught(function () { return 'xyz'; }, 'abc'));
+  }
 }