- var_dump: documentation ( source)
- unserialize: documentation ( source)
- serialize: documentation ( source)
<?php
$a = array();
$a['common'] = 123;
$a['a1'] = array(
'common' => &$a['common'],
'elt1' => 11,
'elt2' => 12
);
$a['a2'] = array(
'common' => &$a['common'],
'elt1' => 21,
'elt2' => 22
);
$as = serialize($a);
$a2 = unserialize($as);
var_dump($a2['common']);
var_dump($a2['a1']['common']);
var_dump($a2['a2']['common']);
var_dump($as);
$a2['common'] = 456;
var_dump($a2['a1']['common']);
var_dump($a2['a2']['common']);