| --TEST-- | |
| Closure 005: Lambda inside class, lifetime of $this | |
| --FILE-- | |
| class A { | |
| private $x; | |
| function __construct($x) { | |
| $this->x = $x; | |
| } | |
| function __destruct() { | |
| echo "Destroyed\n"; | |
| } | |
| function getIncer($val) { | |
| return function() use ($val) { | |
| $this->x += $val; | |
| }; | |
| } | |
| function getPrinter() { | |
| return function() { | |
| echo $this->x."\n"; | |
| }; | |
| } | |
| function getError() { | |
| return static function() { | |
| echo $this->x."\n"; | |
| }; | |
| } | |
| function printX() { | |
| echo $this->x."\n"; | |
| } | |
| } | |
| $a = new A(3); | |
| $incer = $a->getIncer(2); | |
| $printer = $a->getPrinter(); | |
| $error = $a->getError(); | |
| $a->printX(); | |
| $printer(); | |
| $incer(); | |
| $a->printX(); | |
| $printer(); | |
| unset($a); | |
| $incer(); | |
| $printer(); | |
| unset($incer); | |
| $printer(); | |
| unset($printer); | |
| $error(); | |
| echo "Done\n"; | |
| --EXPECTF-- | |
| 3 | |
| 3 | |
| 5 | |
| 5 | |
| 7 | |
| 7 | |
| Destroyed | |
| Fatal error: Uncaught Error: Using $this when not in object context in %sclosure_005.php:28 | |
| Stack trace: | |
| #0 %s(%d): A::{closure:%s:%d}() | |
| #1 {main} | |
| thrown in %sclosure_005.php on line 28 | |