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<?php class FooBar implements Iterator { function __construct() { echo "Constructing new FooBar\n"; } function __destruct() { echo "Destructing FooBar\n"; } function current () { throw Exception; } function key () { return 0; } function next () {} function rewind () {} function valid () { return true; } } function foo() { $f = new FooBar; yield from $f; } function bar() { echo "Starting bar()\n"; $x = foo(); var_dump($x->current()); try { $x->next(); } catch (Exception $e) {} var_dump($x->current()); try { $x->next(); } catch (Exception $e) {} var_dump($x->current()); try { $x->next(); } catch (Exception $e) {} echo "Unsetting \$x\n"; unset($x); echo "Finishing bar()\n"; } bar();
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of FooBar::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/WM1ok on line 6 Deprecated: Return type of FooBar::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/WM1ok on line 8 Deprecated: Return type of FooBar::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/WM1ok on line 7 Deprecated: Return type of FooBar::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/WM1ok on line 10 Deprecated: Return type of FooBar::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/WM1ok on line 9 Starting bar() Constructing new FooBar Destructing FooBar Fatal error: Uncaught Error: Undefined constant "Exception" in /in/WM1ok:6 Stack trace: #0 /in/WM1ok(15): FooBar->current() #1 [internal function]: foo() #2 /in/WM1ok(21): Generator->current() #3 /in/WM1ok(32): bar() #4 {main} thrown in /in/WM1ok on line 6
Process exited with code 255.

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