3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Container implements Iterator { private $container; private $iterator; public function __construct() { $this->container = new ArrayObject(); $this->iterator = $this->container->getIterator(); } public function append($element) { $this->container->append($element); } public function current() { return $this->iterator->current(); } public function next() { $this->iterator->next(); } public function key() { return $this->iterator->key(); } public function valid() { return $this->iterator->valid(); } public function rewind() { $this->iterator->rewind(); } } $php5 = 'O:9:"Container":2:{s:20:"Containercontainer";C:11:"ArrayObject":53:{x:i:0;a:2:{i:0;s:5:"test1";i:1;s:5:"test2";};m:a:0:{}}s:19:"Containeriterator";C:13:"ArrayIterator":26:{x:i:16777216;r:2;;m:a:0:{}}}'; $container = unserialize($php5); var_dump($container); foreach ($container as $key => $value) { echo $key . ' => ' . $value . PHP_EOL; }
Output for 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Deprecated: Return type of Container::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 19 Deprecated: Return type of Container::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 24 Deprecated: Return type of Container::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 29 Deprecated: Return type of Container::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 34 Deprecated: Return type of Container::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 39 Warning: unserialize(): Error at offset 45 of 200 bytes in /in/v5D2l on line 47 bool(false) Warning: foreach() argument must be of type array|object, false given in /in/v5D2l on line 50
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29
Deprecated: Return type of Container::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 19 Deprecated: Return type of Container::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 24 Deprecated: Return type of Container::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 29 Deprecated: Return type of Container::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 34 Deprecated: Return type of Container::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/v5D2l on line 39 Notice: unserialize(): Error at offset 45 of 200 bytes in /in/v5D2l on line 47 bool(false) Warning: foreach() argument must be of type array|object, bool given in /in/v5D2l on line 50
Output for 8.0.0 - 8.0.30
Notice: unserialize(): Error at offset 45 of 200 bytes in /in/v5D2l on line 47 bool(false) Warning: foreach() argument must be of type array|object, bool given in /in/v5D2l on line 50
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: unserialize(): Error at offset 45 of 200 bytes in /in/v5D2l on line 47 bool(false) Warning: Invalid argument supplied for foreach() in /in/v5D2l on line 50
Output for 7.3.32 - 7.3.33
bool(false) Warning: Invalid argument supplied for foreach() in /in/v5D2l on line 50
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