3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Collection implements Iterator { protected $array, $valid = false; public function __construct(array $a) { echo __METHOD__ . "\n"; $this->array = $a; } public function current() { echo __METHOD__ . "\n"; return current($this->array); } public function key() { echo __METHOD__ . "\n"; return key($this->array); } public function next() { echo __METHOD__ . "\n"; $this->valid = (false !== next($this->array)); } public function valid() { echo __METHOD__ . "\n"; return $this->valid; } public function rewind() { echo __METHOD__ . "\n"; $this->valid = (false !== reset($this->array)); } } class TestFilter extends FilterIterator { public function accept() { echo __METHOD__ . "\n"; throw new Exception("Failure in Accept"); } } $test = new TestFilter(new Collection(array(0))); try { foreach ($test as $item) { echo $item; } } catch (Exception $e) { var_dump($e->getMessage()); } ?> ===DONE===
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: Return type of TestFilter::accept() should either be compatible with FilterIterator::accept(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/jLMCn on line 46 Deprecated: Return type of Collection::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/jLMCn on line 13 Deprecated: Return type of Collection::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/jLMCn on line 25 Deprecated: Return type of Collection::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/jLMCn on line 19 Deprecated: Return type of Collection::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/jLMCn on line 31 Deprecated: Return type of Collection::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/jLMCn on line 37 Collection::__construct Collection::rewind Collection::valid Collection::current Collection::key TestFilter::accept string(17) "Failure in Accept" ===DONE===
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Collection::__construct Collection::rewind Collection::valid Collection::current Collection::key TestFilter::accept string(17) "Failure in Accept" ===DONE===
Output for 5.1.0 - 5.1.6
Collection::__construct Collection::rewind Collection::valid Collection::current Collection::key TestFilter::accept Fatal error: Couldn't execute method Collection::next in Unknown on line 0
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/jLMCn on line 7
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/jLMCn on line 3
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 '{' in /in/jLMCn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/jLMCn on line 3
Process exited with code 255.

preferences:
250.01 ms | 401 KiB | 304 Q