1--TEST-- 2Closure 043: Scope/bounding combination invariants; static closures 3--FILE-- 4<?php 5/* Whether it's scoped or not, a static closure cannot have 6 * a bound instance. It should also not be automatically converted 7 * to a non-static instance when attempting to bind one */ 8 9$staticUnscoped = static function () { var_dump(isset(A::$priv)); var_dump(isset($this)); }; 10 11class A { 12 private static $priv = 7; 13 static function getStaticClosure() { 14 return static function() { var_dump(isset(A::$priv)); var_dump(isset($this)); }; 15 } 16} 17 18$staticScoped = A::getStaticClosure(); 19 20echo "Before binding", "\n"; 21$staticUnscoped(); echo "\n"; 22$staticScoped(); echo "\n"; 23 24echo "After binding, null scope, no instance", "\n"; 25$d = $staticUnscoped->bindTo(null, null); $d(); echo "\n"; 26$d = $staticScoped->bindTo(null, null); $d(); echo "\n"; 27 28echo "After binding, null scope, with instance", "\n"; 29$d = $staticUnscoped->bindTo(new A, null); $d(); echo "\n"; 30$d = $staticScoped->bindTo(new A, null); $d(); echo "\n"; 31 32echo "After binding, with scope, no instance", "\n"; 33$d = $staticUnscoped->bindTo(null, 'A'); $d(); echo "\n"; 34$d = $staticScoped->bindTo(null, 'A'); $d(); echo "\n"; 35 36echo "After binding, with scope, with instance", "\n"; 37$d = $staticUnscoped->bindTo(new A, 'A'); $d(); echo "\n"; 38$d = $staticScoped->bindTo(new A, 'A'); $d(); echo "\n"; 39 40echo "Done.\n"; 41 42--EXPECTF-- 43Before binding 44bool(false) 45bool(false) 46 47bool(true) 48bool(false) 49 50After binding, null scope, no instance 51bool(false) 52bool(false) 53 54bool(false) 55bool(false) 56 57After binding, null scope, with instance 58 59Warning: Cannot bind an instance to a static closure in %s on line %d 60bool(false) 61bool(false) 62 63 64Warning: Cannot bind an instance to a static closure in %s on line %d 65bool(false) 66bool(false) 67 68After binding, with scope, no instance 69bool(true) 70bool(false) 71 72bool(true) 73bool(false) 74 75After binding, with scope, with instance 76 77Warning: Cannot bind an instance to a static closure in %s on line %d 78bool(true) 79bool(false) 80 81 82Warning: Cannot bind an instance to a static closure in %s on line %d 83bool(true) 84bool(false) 85 86Done. 87
