1--TEST-- 2Closure 044: Scope/bounding combination invariants; non static closures 3--FILE-- 4<?php 5/* A non-static closure has a bound instance if it has a scope 6 * and doesn't have an instance if it has no scope */ 7 8$nonstaticUnscoped = function () { var_dump(isset(A::$priv)); var_dump(isset($this)); }; 9 10class A { 11 private static $priv = 7; 12 function getClosure() { 13 return function() { var_dump(isset(A::$priv)); var_dump(isset($this)); }; 14 } 15} 16 17$a = new A(); 18$nonstaticScoped = $a->getClosure(); 19 20echo "Before binding", "\n"; 21$nonstaticUnscoped(); echo "\n"; 22$nonstaticScoped(); echo "\n"; 23 24echo "After binding, null scope, no instance", "\n"; 25$d = $nonstaticUnscoped->bindTo(null, null); $d(); echo "\n"; 26$d = $nonstaticScoped->bindTo(null, null); $d(); echo "\n"; 27 28echo "After binding, null scope, with instance", "\n"; 29$d = $nonstaticUnscoped->bindTo(new A, null); $d(); echo "\n"; 30$d = $nonstaticScoped->bindTo(new A, null); $d(); echo "\n"; 31 32echo "After binding, with scope, no instance", "\n"; 33$d = $nonstaticUnscoped->bindTo(null, 'A'); $d(); echo "\n"; 34$d = $nonstaticScoped->bindTo(null, 'A'); $d(); echo "\n"; 35 36echo "After binding, with scope, with instance", "\n"; 37$d = $nonstaticUnscoped->bindTo(new A, 'A'); $d(); echo "\n"; 38$d = $nonstaticScoped->bindTo(new A, 'A'); $d(); echo "\n"; 39 40echo "Done.\n"; 41 42--EXPECTF-- 43Before binding 44bool(false) 45bool(false) 46 47bool(true) 48bool(true) 49 50After binding, null scope, no instance 51bool(false) 52bool(false) 53 54bool(false) 55bool(false) 56 57After binding, null scope, with instance 58bool(false) 59bool(true) 60 61bool(false) 62bool(true) 63 64After binding, with scope, no instance 65bool(true) 66bool(false) 67 68bool(true) 69bool(false) 70 71After binding, with scope, with instance 72bool(true) 73bool(true) 74 75bool(true) 76bool(true) 77 78Done. 79