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<?php class C implements ArrayAccess { private $data = array( "foo"=>"bar" ); public function offsetExists ( $offset ) { return array_key_exists((string)$offset,$this->data); } public function offsetGet ( $offset ){ return $this->data[$offset]; } public function offsetSet ( $offset , $value ) { $this->data[$offset]=$value; } public function offsetUnset ( $offset ) { unset($this->data[$offset]); } } $o=new C(); if(array_key_exists('foo',$o)){ echo "ArrayAccess seems to work"; }else{ echo "ArrayAccess seems broken"; }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of C::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/igvtV on line 7 Deprecated: Return type of C::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/igvtV on line 10 Deprecated: Return type of C::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/igvtV on line 13 Deprecated: Return type of C::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/igvtV on line 16 Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, C given in /in/igvtV:24 Stack trace: #0 {main} thrown in /in/igvtV on line 24
Process exited with code 255.

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