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run code in 200+ php & hhvm versions
Bugs & Features
<?php namespace Foo\Space { class Foo { const SOME_CONSTANT = 'Works!'; } } namespace Other\Space { $class = \Foo\Space\Foo::class; $constant = 'SOME_CONSTANT'; // Valid var_dump(constant("{$class}::{$constant}")); // Invalid var_dump(($class)::$constant); }
based on knYIu
Output for 7.0.0 - 7.2.0
string(6) "Works!" Fatal error: Uncaught Error: Access to undeclared static property: Foo\Space\Foo::$constant in /in/mT7NM:20 Stack trace: #0 {main} thrown in /in/mT7NM on line 20
Process exited with code 255.
Output for 5.5.0 - 5.6.28
Parse error: syntax error, unexpected '::' (T_PAAMAYIM_NEKUDOTAYIM) in /in/mT7NM on line 20
Process exited with code 255.
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in /in/mT7NM on line 13
Process exited with code 255.