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<?php $arr = array('order_source' => array('google','facebook'), 'order_medium' => 'google-text'); echo http_build_query($arr); function bqs($array, $qs='') { foreach($array as $par => $val) { if(is_array($val)) { bqs($arr, $qs); } else { $qs .= $par.'='.$val.'&'; } } return $qs; } $qs = bqs($arr);
Output for git.master, git.master_jit, rfc.property-hooks
order_source%5B0%5D=google&order_source%5B1%5D=facebook&order_medium=google-text Warning: Undefined variable $arr in /in/8YoUk on line 11 Warning: foreach() argument must be of type array|object, null given in /in/8YoUk on line 7

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