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run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { protected $_a; const A = 'A'; public function __construct() { $this->_a = $this; } public function echo() { var_dump($this->_a::A); } } $a = new A; $a->echo();
based on DILkE
Output for 7.0.0 - 7.2.0
string(1) "A"
Output for 5.4.11 - 5.6.28
Parse error: syntax error, unexpected 'echo' (T_ECHO), expecting identifier (T_STRING) in /in/2ZsGb on line 14
Process exited with code 255.
Output for 5.3.21 - 5.3.29
Parse error: syntax error, unexpected T_ECHO, expecting T_STRING in /in/2ZsGb on line 14
Process exited with code 255.