note 81508 added to language.oop5.iterations

By reading the posts below I wondered if it really is impossible to make an ArrayAccess implementation really behave like a true array ( by being multi level ) Seems like it's not impossible. Not very preety but usable <?php class ArrayAccessImpl implements ArrayAccess { private $data = array(); public function offsetUnset($index) {} public function offsetSet($index, $value) { // echo ("SET: ".$index."<br>"); if(isset($data[$index])) { unset($data[$index]); } $u = &$this->data[$index]; if(is_array($value)) { $u = new ArrayAccessImpl(); foreach($value as $idx=>$e) $u[$idx]=$e; } else $u=$value; } public function offsetGet($index) { // echo ("GET: ".$index."<br>"); if(!isset($this->data[$index])) $this->data[$index]=new ArrayAccessImpl(); return $this->data[$index]; } public function offsetExists($index) { // echo ("EXISTS: ".$index."<br>"); if(isset($this->data[$index])) { if($this->data[$index] instanceof ArrayAccessImpl) { if(count($this->data[$index]->data)>0) return true; else return false; } else return true; } else return false; } } echo "ArrayAccess implementation that behaves like a multi-level array<hr />"; $data = new ArrayAccessImpl(); $data['string']="Just a simple string"; $data['number']=33; $data['array']['another_string']="Alpha"; $data['array']['some_object']=new stdClass(); $data['array']['another_array']['x']['y']="LOL @ Whoever said it can't be done !"; $data['blank_array']=array(); echo "'array' Isset? "; print_r(isset($data['array'])); echo "<hr />"; echo "<pre>"; print_r($data['array']['non_existent']); echo "</pre>If attempting to read an offset that doesn't exist it returns a blank object! Use isset() to check if it exists!<br>"; echo "'non_existent' Isset? "; print_r(isset($data['array']['non_existent'])); echo "<br />"; echo "<pre>"; print_r($data['blank_array']); echo "</pre>A blank array unfortunately returns similar results :(<br />"; echo "'blank_array' Isset? "; print_r(isset($data['blank_array'])); echo "<hr />"; echo "<pre>"; print_r($data); echo "</pre> (non_existent remains in the structure. If someone can help to solve this I'll appreciate it)<hr />"; echo "Display some value that exists: ".$data['array']['another_string']; ?> (in the two links mentioned below by artur at jedlinski... they say you can't use references, so I didn't used them. My implementation uses recursive objects) If anyone finds a better (cleaner) sollution, please e-mail me. Thanks, Wave. ---- Server IP: 69.147.83.197 Probable Submitter: 86.122.116.66 ---- Manual Page -- http://www.php.net/manual/en/language.oop5.iterations.php Edit -- https://master.php.net/note/edit/81508 Del: integrated -- https://master.php.net/note/delete/81508/integrated Del: useless -- https://master.php.net/note/delete/81508/useless Del: bad code -- https://master.php.net/note/delete/81508/bad+code Del: spam -- https://master.php.net/note/delete/81508/spam Del: non-english -- https://master.php.net/note/delete/81508/non-english Del: in docs -- https://master.php.net/note/delete/81508/in+docs Del: other reasons-- https://master.php.net/note/delete/81508 Reject -- https://master.php.net/note/reject/81508 Search -- https://master.php.net/manage/user-notes.php