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<?php class A { function hi() { return "hello"; } } // in global scope $f = function() { return $this->hi(); }; $a = new A(); $g = $f->bindTo($a); echo $g(), PHP_EOL; // works, no warnings class B extends A { // in a static function static function make() { return function() { return $this->hi(); // fatal error }; } } $h = B::make(); $i = $h->bindTo($a); // warning echo $i(), PHP_EOL;
Output for git.master, git.master_jit, rfc.property-hooks
hello hello

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