3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Dictionary implements ArrayAccess { function offsetExists($offset) {} function offsetGet($offset) {} function offsetUnset($offset) {} function offsetSet($offset, $value) { var_dump($offset); } } $Dictionary = new Dictionary(); $Dictionary["12"] = 0xDEADBEEF; // int(12) $str = "12"; $Dictionary[$str] = 0xDEADBEEF; // string(2) "12"
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Deprecated: Return type of Dictionary::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dIG8S on line 4 Deprecated: Return type of Dictionary::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dIG8S on line 5 Deprecated: Return type of Dictionary::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/dIG8S on line 8 Deprecated: Return type of Dictionary::offsetUnset($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/dIG8S on line 6 string(2) "12" string(2) "12"
Output for 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
string(2) "12" string(2) "12"
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
int(12) string(2) "12"
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/dIG8S on line 17
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/dIG8S 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/dIG8S on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/dIG8S on line 3
Process exited with code 255.
preferences:
82.57 ms | 2748 KiB | 4 Q