+ bind

demo/bind.php

@@ -0,0 +1,14 @@
+<?php
+
+require_once dirname(__DIR__) . '/vendor/autoload.php';
+
+class Obj
+{
+    protected $a = 123;
+}
+
+$obj = new Obj();
+
+\Bavix\Tests\Bind::setProperty($obj, 'a', 321);
+
+var_dump(\Bavix\Tests\Bind::getProperty($obj, 'a'));

src/Tests/Bind.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Bavix\Tests;
+
+abstract class Bind
+{
+
+    /**
+     * @param object $object
+     * @param string $attr
+     *
+     * @return mixed
+     */
+    public static function getProperty($object, $attr)
+    {
+        $closure = \Closure::bind(function () use ($attr) {
+            return $this->$attr;
+        }, $object, \get_class($object));
+
+        return $closure();
+    }
+
+    /**
+     * @param object $object
+     * @param string $attr
+     * @param mixed  $value
+     *
+     * @return mixed
+     */
+    public static function setProperty($object, $attr, $value)
+    {
+        $closure = \Closure::bind(function ($value) use ($attr) {
+            $this->$attr = $value;
+        }, $object, \get_class($object));
+
+        return $closure($value);
+    }
+
+}

tests/BindTest.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Tests;
+
+use Bavix\Tests\Bind;
+use Bavix\Tests\Unit;
+
+class BindTest extends Unit
+{
+
+    public function testGetProperty()
+    {
+        $this->assertSame(
+            (string)$this->tmp,
+            Bind::getProperty($this->tmp, 'file')
+        );
+    }
+
+    public function testSetProperty()
+    {
+        $file = __FILE__ . '.tmp';
+        Bind::setProperty($this->tmp, 'file', $file);
+
+        $this->assertSame(
+            (string)$this->tmp,
+            $file
+        );
+    }
+
+}