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run code in 300+ PHP versions simultaneously
<?php class Container implements ArrayAccess, Countable, Iterator, JsonSerializable, Serializable { protected $values; public function __construct(... $values) { $this->values = []; foreach ($values as $value) { if (is_array($value)) { foreach ($value as $val) { $this->append($val); } } else { $this->append($value); } } } protected function validate($value) { return true; } protected function format($value) { return $value; } public function prepend($value) { if ($this->validate($value)) { array_unshift($this->values, $this->format($value)); return true; } return false; } public function shift() { return array_shift($this->values); } public function append($value) { if ($this->validate($value)) { array_push($this->values, $this->format($value)); return true; } return false; } public function pop() { return array_pop($this->values); } public function toArray() { return $this->values; } public function filter($callback) { $this->values = array_values(array_filter($this->values, $callback)); return $this; } public function map($callback) { $this->values = array_values(array_map([$this, 'format'], array_filter(array_map($callback, $this->values), [$this, 'validate']))); return $this; } public function offsetExists($offset) { return key_exists($offset, $this->values); } public function offsetGet($offset) { return ($this->offsetExists($offset) ? $this->values[$offset] : null); } public function offsetSet($offset, $value) { if (is_null($offset)) { $this->append($value); return; } if (!$this->offsetExists($offset)) { $cn = get_called_class(); throw new Exception("{$cn} cannot set value at index {$offset}."); } if ($this->validate($value)) { $this->values[$offset] = $this->format($value); } } public function offsetUnset($offset) { if ($this->offsetExists($offset)) { unset($this->values[$offset]); } } public function count() { return count($this->values); } public function current() { return current($this->values); } public function key() { return key($this->values); } public function next() { return next($this->values); } public function rewind() { reset($this->values); } public function valid() { return !is_null(key($this->values)); } public function jsonSerialize() { return $this->toArray(); } public function serialize() { return serialize($this->values); } public function unserialize($data) { $this->values = unserialize($data); } } class IntContainer extends Container { protected function validate($value) { return is_numeric($value); } protected function format($value) { return intval($value); } } $nums = new IntContainer(2, 4, 6, 8); var_dump( $nums->map(function ($num) { return sprintf("[%'10s]",sprintf("0x%08x",$num + 1)); }) ->toArray() );
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Return type of Container::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 83 Deprecated: Return type of Container::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 88 Deprecated: Return type of Container::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 93 Deprecated: Return type of Container::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 110 Deprecated: Return type of Container::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 117 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/78TXh on line 122 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/78TXh on line 132 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/78TXh on line 127 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/78TXh on line 142 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/78TXh on line 137 Deprecated: Return type of Container::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 147 Deprecated: Container implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/78TXh on line 3 Deprecated: IntContainer implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/78TXh on line 163 array(0) { }
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 Container::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 83 Deprecated: Return type of Container::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 88 Deprecated: Return type of Container::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 93 Deprecated: Return type of Container::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 110 Deprecated: Return type of Container::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 117 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/78TXh on line 122 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/78TXh on line 132 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/78TXh on line 127 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/78TXh on line 142 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/78TXh on line 137 Deprecated: Return type of Container::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/78TXh on line 147 Deprecated: Container implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/78TXh on line 3 Deprecated: IntContainer implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /in/78TXh on line 163 array(0) { }
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
array(0) { }
preferences:
199.7 ms | 402 KiB | 219 Q