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<?php class C implements ArrayAccess { public function offsetGet($offset) { return 'value'; } public function offsetExists($offset) { if ($offset == 'pWithNull') { return null; } if ($offset == 'pWithFalse') { return false; } if ($offset == 'pWithTrue') { return true; } return false; } public function offsetSet($offset, $value) { // nothing } } $o = new C(); var_dump( isset($o->pWithFalse), empty($o->pWithFalse) ); var_dump( isset($o->pWithNull), empty($o->pWithNull) ); var_dump( isset($o->pWithTrue), empty($o->pWithTrue) );
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Deprecated: Return type of C::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Okuv4 on line 9 Deprecated: Return type of C::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/Okuv4 on line 4 Deprecated: Return type of C::offsetSet($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/Okuv4 on line 23 Fatal error: Class C contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (ArrayAccess::offsetUnset) in /in/Okuv4 on line 3
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, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Class C contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (ArrayAccess::offsetUnset) in /in/Okuv4 on line 3
Process exited with code 255.
Output for 5.0.5, 5.1.0 - 5.1.6, 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
Fatal error: Class C contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (ArrayAccess::offsetUnset) in /in/Okuv4 on line 27
Process exited with code 255.
Output for 5.0.0 - 5.0.4
Fatal error: Class C contains 1 abstract methods and must therefore be declared abstract (ArrayAccess::offsetUnset) in /in/Okuv4 on line 27
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/Okuv4 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/Okuv4 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/Okuv4 on line 3
Process exited with code 255.
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