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<?php class Person { protected const NAME = 'Serkan'; } class PhpSpec { public function __construct() { $name = 'NAME'; $func = function() use ($name) { return constant(get_class($this) . '::' . $name); }; $closure = $func->bindTo(new Person()); echo $closure(); } } $spe = new PhpSpec();
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Cannot access protected constant Person::NAME in /in/MPnfp:13 Stack trace: #0 /in/MPnfp(13): constant('Person::NAME') #1 /in/MPnfp(18): PhpSpec->{closure}() #2 /in/MPnfp(22): PhpSpec->__construct() #3 {main} thrown in /in/MPnfp on line 13
Process exited with code 255.

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