Online PHP editor | perf for fZ2IV

<?php function setKey($session_keys, $value) { $current_key = ''; $counter = 0; $prev_step = $_SESSION; try { $session_keys_array = explode(':', $session_keys); foreach ($session_keys_array as $key) { $counter++; $current_key .= '[\'' . $key . '\']'; if (count($session_keys_array) > $counter) { if (is_array($prev_step) && !array_key_exists($key, $prev_step)) { eval('$_SESSION' . $current_key . ' = array();'); } else if (!is_array($prev_step) || (array_key_exists($key, $prev_step)) && !is_array($prev_step[$key]) ) { throw new Exception ("\$_SESSION$current_key is not an array"); } eval('$prevStep = $_SESSION' . $current_key . ';'); } else { eval('$_SESSION' . $current_key . ' = ' . $value . ';'); } } } catch (Exception $e) { //TODO:log notice if Session[currentKey] is not an array echo $e->getMessage(); return false; } return eval('$_SESSION' . $current_key . ';'); } function setSessionTestingData() { $agent = 5; $ticket = 6; $_SESSION = array( 'agent_id' => '2', 'ticket_id' => '3', 'agent' => $agent, 'ticket' => $ticket, 'sub_array' => array( 'sub' => 4, 'agent' => $agent, 'ticket' => $ticket, ), ); return $_SESSION; } $_SESSION = setSessionTestingData(); var_dump(setKey('sub_array:sub:unexistant:none', '4')); !empty($_SESSION['sub_array']['sub][unexistant]); var_dump(!isset($_SESSION['sub_array']['sub][unexistant]);

Version	System time (s)	User time (s)	Memory (MiB)
7.0.2	0.040	0.053	20.09
7.0.1	0.010	0.080	20.22
7.0.0	0.010	0.083	20.07
5.6.17	0.023	0.050	20.54
5.6.16	0.017	0.070	20.76
5.6.15	0.010	0.077	18.29
5.6.14	0.000	0.087	18.21
5.6.13	0.013	0.047	18.27
5.6.12	0.017	0.077	21.01
5.6.11	0.010	0.077	21.00
5.6.10	0.010	0.053	21.00
5.6.9	0.003	0.083	20.98
5.6.8	0.013	0.080	20.54
5.5.31	0.033	0.063	20.43
5.5.30	0.007	0.073	17.96
5.5.29	0.010	0.083	18.04
5.5.28	0.013	0.040	20.89
5.5.27	0.007	0.040	20.89
5.5.26	0.007	0.063	20.74
5.5.25	0.003	0.053	20.72
5.5.24	0.013	0.073	20.30