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<?php class FormView implements \ArrayAccess { public array $vars = []; public function offsetExists($offset) { return array_key_exists($offset, $this->vars); } public function offsetGet($offset) { return $this->vars[$offset] ?? null; } public function offsetSet($offset, $value) { $this->vars[$offset] = $value; } public function offsetUnset($offset) { unset($this->vars[$offset]); } } $f = new FormView(); $f->offsetSet('as', 1); var_dump($f->offsetExists('as')); var_dump($f->offsetGet('as')); var_dump($f->as); echo "--\n"; $f = new FormView(); $f->as = 123; var_dump($f->offsetExists('as')); var_dump($f->offsetGet('as')); var_dump($f->as); echo "--\n"; $f = new FormView(); $f->offsetSet('as', null); var_dump($f->offsetExists('as')); var_dump($f->offsetGet('as')); var_dump($f->as);
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
Deprecated: Return type of FormView::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/2uhaE on line 7 Deprecated: Return type of FormView::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/2uhaE on line 10 Deprecated: Return type of FormView::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/2uhaE on line 13 Deprecated: Return type of FormView::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/2uhaE on line 17 bool(true) int(1) Warning: Undefined property: FormView::$as in /in/2uhaE on line 26 NULL -- Deprecated: Creation of dynamic property FormView::$as is deprecated in /in/2uhaE on line 31 bool(false) NULL int(123) -- bool(true) NULL Warning: Undefined property: FormView::$as in /in/2uhaE on line 42 NULL
Output for 8.1.0 - 8.1.33
Deprecated: Return type of FormView::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/2uhaE on line 7 Deprecated: Return type of FormView::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/2uhaE on line 10 Deprecated: Return type of FormView::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/2uhaE on line 13 Deprecated: Return type of FormView::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/2uhaE on line 17 bool(true) int(1) Warning: Undefined property: FormView::$as in /in/2uhaE on line 26 NULL -- bool(false) NULL int(123) -- bool(true) NULL Warning: Undefined property: FormView::$as in /in/2uhaE on line 42 NULL
Output for 8.0.0 - 8.0.30
bool(true) int(1) Warning: Undefined property: FormView::$as in /in/2uhaE on line 26 NULL -- bool(false) NULL int(123) -- bool(true) NULL Warning: Undefined property: FormView::$as in /in/2uhaE on line 42 NULL
Output for 7.4.0 - 7.4.33
bool(true) int(1) Notice: Undefined property: FormView::$as in /in/2uhaE on line 26 NULL -- bool(false) NULL int(123) -- bool(true) NULL Notice: Undefined property: FormView::$as in /in/2uhaE on line 42 NULL
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'array' (T_ARRAY), expecting function (T_FUNCTION) or const (T_CONST) in /in/2uhaE on line 5
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Parse error: syntax error, unexpected 'array' (T_ARRAY), expecting variable (T_VARIABLE) in /in/2uhaE on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_ARRAY, expecting T_VARIABLE in /in/2uhaE on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/2uhaE on line 3 Parse error: syntax error, unexpected T_ARRAY, expecting T_VARIABLE in /in/2uhaE on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/2uhaE on line 3 Parse error: parse error, unexpected T_ARRAY, expecting T_VARIABLE in /in/2uhaE on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting '{' in /in/2uhaE 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/2uhaE on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/2uhaE on line 3
Process exited with code 255.

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