PHP passing a class to another class and using a constant from it -

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i'm trying use constant class i'm passing class, can't work out how call it. can point out i'm going wrong:

class {     const test = 1;  }  class b {     protected $c;      function func($c) {         $this->c = $c;          echo $this->c::test; // doesn't work     } }  $a = new a(); $b = new b();  $b->func($a);

accessing constants on instances on properties syntactical ambiguity/incompatibility in php versions < 7. you're doing work fine in versions >= 7. works fine in versions:

function func($c) {     echo $c::test; }

in php < 7, you'll have resort to:

$c = $this->c; $c::test;




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