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<?php namespace A { class T {} } namespace { class Test { public function first(string $str) : Closure { return function() use ($str) : int { return strlen($str); }; } public function second() : self { return $this; } } class SubTest extends Test { public function third() : parent { return new Test; } } $s = new SubTest; $t = $s->third(); echo ($t->second()->first("hello"))(); }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
5
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/BYiRF on line 11
Process exited with code 255.

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