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@ 2013-11-18T17:34:34Z

<?php
class StringPathAccess
{
    protected $data = array();
    
    public function __construct(array $data)
    {
        $this->data = $data;
    }

    public function &get($key)
    {
        if (strpos($key, '[]') !== false) {
            $key = str_replace('[]', '', $key);
        }
        
        $parts = explode('[', $key);
        $value = &$this->data;
        
        foreach ($parts as $part) {
            $part = rtrim($part, ']');
            if (isset($value[$part])) {
                $value = &$value[$part];
            } else {
                return null;
            }
        }

        return $value;
    }
    
    public function set($key, $value)
    {
        $val = &$this->get($key);
        $val = $value;
    }
}

$data = array(
    'foo' => array(
        'bar' => 'baz'
));

$object = new StringPathAccess($data);

$test = $object->get('foo[bar]');
var_dump($object->get('foo[bar]'));
$object->set('foo[bar]', 'Hello World');
var_dump($object->get('foo[bar]'));

Output for git.master, git.master_jit, rfc.property-hooks: string(3) "baz" string(11) "Hello World"

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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