3v4l.org

run code in 300+ PHP versions simultaneously
<?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('array_key_exists(' . $key . ', '.$prev_step.') && !empty($_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']));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.01117.00
8.3.50.0150.00421.20
8.3.40.0120.00318.95
8.3.30.0040.01118.95
8.3.20.0000.00820.55
8.3.10.0000.00822.02
8.3.00.0040.00421.99
8.2.180.0120.00616.88
8.2.170.0070.01422.96
8.2.160.0080.00620.43
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0030.00520.89
8.2.120.0040.00426.35
8.2.110.0060.00319.38
8.2.100.0040.00717.93
8.2.90.0080.00019.29
8.2.80.0050.00317.97
8.2.70.0030.00617.48
8.2.60.0050.00317.93
8.2.50.0000.00818.09
8.2.40.0050.00522.31
8.2.30.0000.00719.49
8.2.20.0080.00017.91
8.2.10.0040.00418.25
8.2.00.0020.00518.34
8.1.280.0140.00725.92
8.1.270.0030.00622.14
8.1.260.0030.00528.09
8.1.250.0030.01028.09
8.1.240.0030.00622.34
8.1.230.0040.00717.83
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0000.00917.38
8.1.190.0030.00517.25
8.1.180.0040.00418.10
8.1.170.0000.00818.83
8.1.160.0040.00420.82
8.1.150.0040.00420.75
8.1.140.0040.00419.55
8.1.130.0000.00717.81
8.1.120.0000.00717.53
8.1.110.0000.00817.52
8.1.100.0060.00317.43
8.1.90.0060.00317.52
8.1.80.0030.00517.41
8.1.70.0040.00417.57
8.1.60.0000.00817.68
8.1.50.0030.00617.46
8.1.40.0040.00417.48
8.1.30.0040.00417.65
8.1.20.0040.00417.71
8.1.10.0000.00817.57
8.1.00.0000.00717.50
8.0.300.0050.00318.77
8.0.290.0040.00416.88
8.0.280.0030.00318.52
8.0.270.0070.00017.37
8.0.260.0000.00617.27
8.0.250.0000.00717.13
8.0.240.0030.00617.10
8.0.230.0050.00317.07
8.0.220.0070.00017.05
8.0.210.0000.00716.91
8.0.200.0070.00017.07
8.0.190.0040.00417.04
8.0.180.0040.00417.05
8.0.170.0060.00317.08
8.0.160.0080.00017.02
8.0.150.0080.00016.92
8.0.140.0030.00716.98
8.0.130.0030.00313.59
8.0.120.0040.00417.04
8.0.110.0000.00717.00
8.0.100.0040.00417.06
8.0.90.0000.00817.05
8.0.80.0070.01117.09
8.0.70.0000.00817.00
8.0.60.0030.00517.05
8.0.50.0040.00416.85
8.0.30.0080.01017.13
8.0.20.0130.00617.40
8.0.10.0030.00617.16
8.0.00.0070.01016.84
7.4.330.0000.00516.89
7.4.320.0030.00316.63
7.4.300.0000.00816.67
7.4.290.0000.00716.68
7.4.280.0000.00816.70
7.4.270.0000.00716.59
7.4.260.0000.00716.49
7.4.250.0030.00516.51
7.4.240.0030.00516.57
7.4.230.0040.00416.61
7.4.220.0120.00916.73
7.4.210.0030.01216.74
7.4.200.0050.00216.57
7.4.160.0080.00816.46
7.4.150.0110.00717.40
7.4.140.0130.01217.86
7.4.130.0090.00816.55
7.4.120.0140.00516.57
7.4.110.0100.01016.78
7.4.100.0090.01316.62
7.4.90.0150.00416.59
7.4.80.0160.00319.39
7.4.70.0070.01016.70
7.4.60.0180.00016.54
7.4.50.0040.01516.23
7.4.40.0080.00816.63
7.4.30.0060.01416.64
7.4.00.0100.00714.89
7.3.330.0080.00013.30
7.3.320.0000.00613.38
7.3.310.0030.00616.56
7.3.300.0030.00316.46
7.3.290.0110.00416.44
7.3.280.0110.00716.45
7.3.270.0090.00917.40
7.3.260.0170.00716.56
7.3.250.0090.00816.37
7.3.240.0110.00716.48
7.3.230.0150.00316.46
7.3.210.0120.00616.51
7.3.200.0110.00619.39
7.3.190.0090.00916.59
7.3.180.0100.00716.56
7.3.170.0130.00616.44
7.3.160.0070.01116.70
7.3.10.0080.00416.60
7.3.00.0030.00916.55
7.2.330.0090.00816.83
7.2.320.0130.00316.51
7.2.310.0110.00716.80
7.2.300.0080.00816.73
7.2.290.0130.00316.68
7.2.130.0080.00316.87
7.2.120.0060.00616.79
7.2.110.0060.01016.92
7.2.100.0060.00316.79
7.2.90.0070.00717.02
7.2.80.0120.00616.80
7.2.70.0220.00316.71
7.2.60.0020.01216.71
7.2.50.0100.00516.78
7.2.40.0060.00916.78
7.2.30.0100.00416.93
7.2.20.0100.01016.96
7.2.10.0090.00316.94
7.2.00.0070.00717.04
7.1.250.0000.00815.54
7.1.200.0030.01015.86
7.1.70.0070.00317.22
7.1.60.0090.01619.40
7.1.50.0040.00817.15
7.1.00.0030.07322.40
7.0.200.0340.00814.73
7.0.60.0130.07021.66
7.0.50.0000.04317.88
7.0.40.0130.08320.15
7.0.30.0200.05020.09
7.0.20.0270.08020.16
7.0.10.0030.09320.23
7.0.00.0100.03720.11
5.6.280.0070.02720.94
5.6.210.0030.08720.62
5.6.200.0030.05718.18
5.6.190.0130.07320.50
5.6.180.0230.05720.66
5.6.170.0300.04720.48
5.6.160.0030.05720.46
5.6.150.0030.07718.20
5.6.140.0030.07318.18
5.6.130.0070.04718.25
5.6.120.0130.06720.90
5.6.110.0030.07720.99
5.6.100.0100.08021.02
5.6.90.0130.08021.12
5.6.80.0170.07720.40
5.5.350.0070.07720.31
5.5.340.0100.07717.94
5.5.330.0100.05020.50
5.5.320.0330.04320.39
5.5.310.0300.05720.27
5.5.300.0100.07318.00
5.5.290.0100.03717.96
5.5.280.0070.04320.75
5.5.270.0100.08020.77
5.5.260.0070.05020.66
5.5.250.0070.08720.62
5.5.240.0130.08020.18

preferences:
69 ms | 401 KiB | 5 Q