Req #80162 [NEW]: array_key_exists() should support ArrayAccess

From: divinity76 at gmail dot com Operating system: PHP version: Next Minor Version Package: Unknown/Other Function Bug Type: Feature/Change Request Bug description:array_key_exists() should support ArrayAccess Description: ------------ i suggest changing array_key_exists ( mixed $key , array $array ) to array_key_exists ( mixed $key , array|ArrayAccess $array ) , it's awkward that array_key_exists can't check ArrayAccess objects (and it has caused invalid bugreports in the past, ref https://bugs.php.net/bug.php?id=46354 and https://bugs.php.net/bug.php?id=34849 ) Test script: --------------- <?php class C implements ArrayAccess { public $data = array( "foo"=>"bar" ); public function offsetExists ( $offset ): bool{ return array_key_exists($offset,$this->data); } public function offsetGet ( $offset ){ return $this->data[$offset]; } public function offsetSet ( $offset , $value ): void { $this->data[$offset]=$value; } public function offsetUnset ( $offset ): void { unset($this->data[$offset]); } } $o=new C(); var_dump(array_key_exists('foo',$o)); Expected result: ---------------- bool(true) Actual result: -------------- Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, C given in /in/ZrcrF:24 Stack trace: #0 {main} thrown in /in/ZrcrF on line 24 Process exited with code 255. -- Edit bug report at https://bugs.php.net/bug.php?id=80162&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=80162&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=80162&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=80162&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=80162&r=needscript Try newer version: https://bugs.php.net/fix.php?id=80162&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=80162&r=support Expected behavior: https://bugs.php.net/fix.php?id=80162&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=80162&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=80162&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=80162&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=80162&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=80162&r=dst IIS Stability: https://bugs.php.net/fix.php?id=80162&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=80162&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=80162&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=80162&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=80162&r=mysqlcfg