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<?php class xiter extends ArrayIterator { public function as_array() { var_dump(__METHOD__); return iterator_to_array($this); } } class fiter extends FilterIterator { public function accept() { return $this->getInnerIterator()->current() % 2 == 0; } } $iter = new xiter(array(1, 2, 3, 4)); $fiter = new fiter($iter); foreach ($iter as $i) var_dump($i); foreach ($fiter as $i) var_dump($i); var_dump($iter->as_array()); var_dump($fiter->as_array()); var_dump($fiter->as_array2());
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of fiter::accept() should either be compatible with FilterIterator::accept(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/QLpk8 on line 12 int(1) int(2) int(3) int(4) int(2) int(4) string(15) "xiter::as_array" array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } string(15) "xiter::as_array" array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } Fatal error: Uncaught Error: Call to undefined method xiter::as_array2() in /in/QLpk8:26 Stack trace: #0 {main} thrown in /in/QLpk8 on line 26
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
int(1) int(2) int(3) int(4) int(2) int(4) string(15) "xiter::as_array" array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } string(15) "xiter::as_array" array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } Fatal error: Uncaught Error: Call to undefined method xiter::as_array2() in /in/QLpk8:26 Stack trace: #0 {main} thrown in /in/QLpk8 on line 26
Process exited with code 255.
Output for 5.3.16 - 5.3.29, 5.4.6 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
int(1) int(2) int(3) int(4) int(2) int(4) string(15) "xiter::as_array" array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } string(15) "xiter::as_array" array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } Fatal error: Call to undefined method xiter::as_array2() in /in/QLpk8 on line 26
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.15, 5.4.0 - 5.4.5
int(1) int(2) int(3) int(4) int(2) int(4) string(15) "xiter::as_array" array(4) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) } string(15) "xiter::as_array" array(2) { [1]=> int(2) [3]=> int(4) } Fatal error: Call to undefined method xiter::as_array2() in /in/QLpk8 on line 26
Process exited with code 255.
Output for 5.0.0 - 5.0.5
int(1) int(2) int(3) int(4) int(2) int(4) string(15) "xiter::as_array" Fatal error: Call to undefined function iterator_to_array() in /in/QLpk8 on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/QLpk8 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/QLpk8 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/QLpk8 on line 4
Process exited with code 255.
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