Online PHP editor | output for JKEAC

<?php $a = ['trade' => ['login' => 91003034, "account_type" => "MT4 ECN", "server_display_name" => "AlpariEvrasia-Trade", "currency_name" => 'USD'] ]; //echo serialize($a); $st = 'a:1:{s:5:"trade";a:4:{s:5:"login";i:91003034;s:12:"account_type";s:7:"MT4 ECN";s:19:"server_display_name";s:19:"AlpariEvrasia-Trade";s:13:"currency_name";s:3:"USD";}}'; var_dump(unserialize($st)); //'a:3:{s:5:"trade";a:9:{s:5:"login";i:91002554;s:12:"account_type";s:7:"MT4 ECN";s:19:"server_display_name";s:19:"AlpariEvrasia-Trade";s:13:"currency_name";s:3:"USD";s:8:"password";s:11:"Dopod68P800";s:17:"password_investor";s:7:"n3kjqRq";s:8:"platform";s:11:"MetaTrader4";s:13:"accountIsDemo";b:0;s:14:"minimal_amount";s:1:"0";}s:11:"fxtm_invest";b:1;s:8:"strategy";a:0:{}}'