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@ 2018-12-27T14:00:38Z

<?php

$path = "['parent']['son']"; 
$_SESSION['parent']['son'] = "test";

$arr = explode("']['", $path);

$ret = $_SESSION;

foreach($arr as $val){
    $key = str_replace(["'", "]", "["], "", $val);
    $ret = $ret[$key];
}

Var_dump($ret);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
explode: documentation ( source)

preferences:dark modelive previewkey bindings

22.92 ms | 475 KiB | 4 Q