old jsonobject from code.google.com archive

error.php

<?php

require('jsonobject.class.php');
echo '<pre>';
$json_in ='{"":"Blank","A":"a","B":"b","C":"c"}';
echo "json string: $json_in\n";
echo "\n\n";

echo "json_decode(*): \n";
print_r(json_decode($json_in));
echo "\n\n";

echo "json_decode(*,true): \n";
print_r(json_decode($json_in, true));
echo "\n\n";

echo "ArrayObject:\n";
print_r(new ArrayObject(json_decode($json_in, true)));
echo "\nNotice: /home/~/public_html/jsonobject/branches/error.php line 19 - Illegal member variable name
\n";

echo "jsonObject: \n";
print_r(new jsonObject(json_decode($json_in, true)));
echo "\n\n";

echo '</pre>';

example.php

<?php
require_once('jsonobject.class.php');

$json_in ='{"":"Blank","A":"a","B":"b","C":"c"}';
echo "json string: ". $json_in . "<BR/>";

$a = json_decode($json_in);
$b = json_decode($json_in, true);

echo 'print_r() output<HR/>An array with an empty key:<pre>' . print_r($b, true) . "</pre><BR/><BR/>\n\n";
echo 'Has the correct keys returned from array_keys:' . print_r(array_keys($b), true);

$b_as_object = (object) $b;
echo echo_output($b_as_object, "<HR/>Standard Object Casting:<BR/>\n");
echo '<BR/>Has the correct keys returned: ' . print_r($b_as_object, true);
echo '<BR/>But throws: Notice: /home/mpcm/public_html/jsonobject/branches/example.php line 24 - Illegal member variable name';

$b_as_jsonobject = new jsonObject($b);
echo echo_output($b_as_jsonobject, "<BR/><BR/><BR/>\n\n<HR/>jsonObject Instance:<BR/>\n");
echo '<BR/>Has the correct keys returned:<BR/>' . print_r($b_as_jsonobject, true);

function echo_output($c, $s = ''){
	foreach($c as $k=>$v){
		$s .= "[$k] =>". $c->{$k} ."<BR/>\n";
	}
	return $s;
}

jsonobject.class.php

<?php
class jsonObject implements Iterator{

    private $data = array();

    public function __construct($array){
        $this->data = $this->recursive_Replace($array);
    }
   
    public function json_encode()
    {
        return json_encode($this->recursive_Restore($this->data));
    }       
   
    private function __set($key, $value){
    	$this->data[$key] = is_array($value) ? $this->recursive_Replace($value) : $value;
    }
   
    private function __get($key){
        if(isset($this->data[$key])) return $this->data[$key];
        throw new Exception('Missing Key:'.$key);
    }
   
    private function recursive_Replace($o){
        foreach($o as $k => $v){
            if(is_array($o[$k])) $o[$k] = new jsonObject($v);
        }
        return $o;
    }   
 
    private function recursive_Restore($o){
        foreach($o as $k => $v){
            if(is_object($v)) $o[$k] = $this->recursive_Restore($v->data);
        }
        return $o;
    }

    public function rewind() {
        reset($this->data);
    }

    public function current() {
        return current($this->data);
    }

    public function key() {
        return key($this->data);
    }

    public function next() {
        return next($this->data);
    }

    public function valid() {
        return $this->current() !== false;
    }
}