3v4l.org

run code in 300+ PHP versions simultaneously
<?php class it implements OuterIterator { private $inner; public function __construct(Iterator $inner) { $this->inner = $inner; } public function getInnerIterator() { echo "++ inner\n"; return $this->inner; } public function next() { echo "-- Next\n"; return $this->inner->next(); } public function current() { echo "-- Current\n"; return $this->inner->current(); } public function key() { echo "-- Key\n"; return $this->inner->key(); } public function rewind() { echo "-- Rewind\n"; return $this->inner->rewind(); } public function valid() { echo "-- Valid\n"; return $this->inner->valid(); } } $it = new it(new ArrayIterator(array("foo", "bar"))); foreach ($it as $key => $value) { echo $value."\n"; } $array_a = new ArrayIterator(array('a', 'b', 'c')); $array_b = new ArrayIterator(array('d', 'e', 'f')); $iterator = new AppendIterator; $iterator->append($array_a); $iterator->append($array_b); foreach ($iterator as $current) { echo $current; if ($current=='e') { $iterator->append(new ArrayIterator('g','h')); } }
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Return type of it::getInnerIterator() should either be compatible with OuterIterator::getInnerIterator(): ?Iterator, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 10 Deprecated: Return type of it::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 21 Deprecated: Return type of it::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 15 Deprecated: Return type of it::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 27 Deprecated: Return type of it::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 39 Deprecated: Return type of it::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 33 -- Rewind -- Valid -- Current -- Key foo -- Next -- Valid -- Current -- Key bar -- Next -- Valid abcde Fatal error: Uncaught TypeError: ArrayIterator::__construct(): Argument #1 ($array) must be of type array, string given in /in/h4XAh:62 Stack trace: #0 /in/h4XAh(62): ArrayIterator->__construct('g', 'h') #1 {main} thrown in /in/h4XAh on line 62
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Return type of it::getInnerIterator() should either be compatible with OuterIterator::getInnerIterator(): ?Iterator, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 10 Deprecated: Return type of it::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 21 Deprecated: Return type of it::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 15 Deprecated: Return type of it::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 27 Deprecated: Return type of it::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 39 Deprecated: Return type of it::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/h4XAh on line 33 -- Rewind -- Valid -- Current -- Key foo -- Next -- Valid -- Current -- Key bar -- Next -- Valid abcde Fatal error: Uncaught TypeError: ArrayIterator::__construct(): Argument #1 ($array) must be of type array, string given in /in/h4XAh:62 Stack trace: #0 /in/h4XAh(62): ArrayIterator->__construct('g', 'h') #1 {main} thrown in /in/h4XAh on line 62
Process exited with code 255.
Output for 8.0.0 - 8.0.30
-- Rewind -- Valid -- Current -- Key foo -- Next -- Valid -- Current -- Key bar -- Next -- Valid abcde Fatal error: Uncaught TypeError: ArrayIterator::__construct(): Argument #1 ($array) must be of type array, string given in /in/h4XAh:62 Stack trace: #0 /in/h4XAh(62): ArrayIterator->__construct('g', 'h') #1 {main} thrown in /in/h4XAh on line 62
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
-- Rewind -- Valid -- Current -- Key foo -- Next -- Valid -- Current -- Key bar -- Next -- Valid abcde Fatal error: Uncaught TypeError: ArrayIterator::__construct() expects parameter 2 to be int, string given in /in/h4XAh:62 Stack trace: #0 /in/h4XAh(62): ArrayIterator->__construct('g', 'h') #1 {main} thrown in /in/h4XAh on line 62
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33
-- Rewind -- Valid -- Current -- Key foo -- Next -- Valid -- Current -- Key bar -- Next -- Valid abcde Fatal error: Uncaught TypeError: ArrayIterator::__construct() expects parameter 2 to be integer, string given in /in/h4XAh:62 Stack trace: #0 /in/h4XAh(62): ArrayIterator->__construct('g', 'h') #1 {main} thrown in /in/h4XAh on line 62
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
-- Rewind -- Valid -- Current -- Key foo -- Next -- Valid -- Current -- Key bar -- Next -- Valid abcde Fatal error: Uncaught exception 'InvalidArgumentException' with message 'ArrayIterator::__construct() expects parameter 2 to be long, string given' in /in/h4XAh:62 Stack trace: #0 /in/h4XAh(62): ArrayIterator->__construct('g', 'h') #1 {main} thrown in /in/h4XAh on line 62
Process exited with code 255.
preferences:
173.18 ms | 402 KiB | 184 Q