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<?php function &readPrivate($object, $k, $context = null) { if (null === $context) { $context = $object; } $closure = function & () use ($k) { return $this->$k; }; $binding = Closure::bind( $closure, $object, $context); $value = & $binding->__invoke(); return $value; } class B { private $xb = 'xb_b'; private $x = 'xb'; public $z = 'zb'; } class C extends B { private $x = 'xc'; private $y = 'yc'; public $z = 'zc'; } $c = new C; var_dump(readPrivate($c, 'x')); var_dump(readPrivate($c, 'x', B::class)); var_dump(readPrivate($c, 'x', ReflectionClass::class));
Output for 8.5.0 - 8.5.1
string(2) "xc" string(2) "xb" Warning: Cannot bind closure to scope of internal class ReflectionClass, this will be an error in PHP 9 in /in/2BZRg on line 13 Fatal error: Uncaught Error: Call to a member function __invoke() on null in /in/2BZRg:18 Stack trace: #0 /in/2BZRg(41): readPrivate(Object(C), 'x', 'ReflectionClass') #1 {main} thrown in /in/2BZRg on line 18
Process exited with code 255.
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 7.0.0 - 7.0.18, 7.1.0 - 7.1.4, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
string(2) "xc" string(2) "xb" Warning: Cannot bind closure to scope of internal class ReflectionClass in /in/2BZRg on line 13 Fatal error: Uncaught Error: Call to a member function __invoke() on null in /in/2BZRg:18 Stack trace: #0 /in/2BZRg(41): readPrivate(Object(C), 'x', 'ReflectionClass') #1 {main} thrown in /in/2BZRg on line 18
Process exited with code 255.
Output for 8.3.28
/bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.
Output for 7.0.19 - 7.0.33, 7.1.5 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
string(2) "xc" string(2) "xb" Warning: Cannot bind closure to scope of internal class ReflectionClass in /in/2BZRg on line 16 Fatal error: Uncaught Error: Call to a member function __invoke() on null in /in/2BZRg:18 Stack trace: #0 /in/2BZRg(41): readPrivate(Object(C), 'x', 'ReflectionClass') #1 {main} thrown in /in/2BZRg on line 18
Process exited with code 255.
Output for 5.6.0 - 5.6.40
string(2) "xc" string(2) "xb" Fatal error: Cannot access private property C::$x in /in/2BZRg on line 10
Process exited with code 255.
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