3v4l.org

run code in 300+ PHP versions simultaneously
<?php // http://3v4l.org/cl38h class Authenticator { protected $isloggedin; protected $session; public function __construct(Session $session) { $this->session = $session; // if ( ! empty($session->get('isloggedin')) && $session->get('isloggedin') == true) { $isl = $session->get('isloggedin'); if ( ! empty($isl) && $isl == true) { $this->isloggedin = true; } $uid = $session->get('userid'); if ( ! empty($uid) && (int) $uid == $uid ) { $this->userid = (int) $uid; } } public function authenticate($username, $password) { if ($this->isloggedin) return true; if ( empty($username)) return false; if ( empty($password)) return false; // ... return false; } public function logout() { $this->isloggedin = false; $this->userid = 0; $this->session->del('isloggedin'); $this->session->del('userid'); } public function isloggedin() { return $this->isloggedin; } } interface Session { public function set($key, $val=true); public function del($key, $val=false); public function get($key); } class BasicSession implements Session { protected $session = array(); private function __construct(array $s) { if ( ! session_start() ) { throw new Exception('Could not initiate web session'); } $this->session = $_SESSION; } public function set($key, $val=true) { $this->session[$key] = $val; } public function del($key, $val=false) { if (isset($this->session[$key])) { $this->session[$key] = $val; unset($this->session[$key]); } } public function get($key) { if (isset($this->session[$key])) { return $this->session[$key]; } return false; } } try { $sess = new BasicSession(); $auth = new Authenticator($sess); } catch (Exception $e) { die('System go KA-BOOM! ' . $e->getMessage()); }

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)
8.3.60.0040.01218.43
8.3.50.0130.00721.21
8.3.40.0160.00618.74
8.3.30.0000.01519.08
8.3.20.0080.00020.29
8.3.10.0040.00422.04
8.3.00.0070.00022.44
8.2.180.0110.00416.63
8.2.170.0070.01022.96
8.2.160.0070.00719.24
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.66
8.2.110.0070.00322.11
8.2.100.0080.00817.78
8.2.90.0030.00519.00
8.2.80.0040.00417.97
8.2.70.0040.00717.75
8.2.60.0040.00418.04
8.2.50.0100.00018.07
8.2.40.0080.00019.95
8.2.30.0100.00017.97
8.2.20.0050.00217.62
8.2.10.0000.00717.85
8.2.00.0000.01217.68
8.1.280.0060.01225.92
8.1.270.0030.00622.19
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0040.00423.87
8.1.230.0070.00419.10
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0080.00017.55
8.1.180.0080.00018.82
8.1.170.0050.00318.58
8.1.160.0000.00722.08
8.1.150.0000.00818.63
8.1.140.0000.00717.48
8.1.130.0040.00417.87
8.1.120.0040.00317.50
8.1.110.0000.00717.37
8.1.100.0040.00417.43
8.1.90.0000.00817.39
8.1.80.0040.00317.47
8.1.70.0040.00417.38
8.1.60.0050.00317.62
8.1.50.0030.00517.54
8.1.40.0000.00817.44
8.1.30.0040.00417.55
8.1.20.0030.00617.54
8.1.10.0040.00417.56
8.1.00.0000.00917.43
8.0.300.0040.00418.77
8.0.290.0030.00317.18
8.0.280.0000.00718.47
8.0.270.0030.00317.20
8.0.260.0060.00016.82
8.0.250.0030.00317.07
8.0.240.0110.00017.06
8.0.230.0000.00817.08
8.0.220.0000.00816.92
8.0.210.0070.00016.86
8.0.200.0000.00717.09
8.0.190.0080.00016.95
8.0.180.0050.00217.01
8.0.170.0040.00417.01
8.0.160.0000.00816.98
8.0.150.0030.00517.01
8.0.140.0040.00416.97
8.0.130.0000.00513.37
8.0.120.0040.00416.95
8.0.110.0000.00716.80
8.0.100.0050.00316.86
8.0.90.0040.00416.85
8.0.80.0080.00716.96
8.0.70.0040.00416.85
8.0.60.0000.00716.88
8.0.50.0020.00516.87
8.0.30.0090.01016.99
8.0.20.0140.00917.40
8.0.10.0000.00817.12
8.0.00.0090.01116.83
7.4.330.0050.00015.09
7.4.320.0030.00316.61
7.4.300.0060.00016.55
7.4.290.0000.00716.68
7.4.280.0000.00816.51
7.4.270.0070.00016.67
7.4.260.0000.00716.53
7.4.250.0040.00416.49
7.4.240.0000.00716.52
7.4.230.0030.00316.43
7.4.220.0130.00416.68
7.4.210.0080.00916.53
7.4.200.0040.00416.70
7.4.190.0000.00816.58
7.4.160.0100.00616.51
7.4.150.0030.01317.40
7.4.140.0130.00517.86
7.4.130.0030.01516.69
7.4.120.0070.01016.57
7.4.110.0130.01016.52
7.4.100.0090.01216.46
7.4.90.0060.01216.39
7.4.80.0060.01219.39
7.4.70.0130.00316.50
7.4.60.0140.00516.57
7.4.50.0030.00516.43
7.4.40.0110.00822.77
7.4.30.0160.00016.59
7.4.00.0060.01014.76
7.3.330.0000.00513.32
7.3.320.0000.00513.14
7.3.310.0000.00716.40
7.3.300.0030.00316.19
7.3.290.0090.00616.29
7.3.280.0080.00716.33
7.3.270.0120.01217.40
7.3.260.0160.00016.29
7.3.250.0080.01016.39
7.3.240.0090.00916.45
7.3.230.0070.01016.61
7.3.210.0090.01316.65
7.3.200.0130.00319.39
7.3.190.0080.00816.50
7.3.180.0030.01316.51
7.3.170.0030.01416.38
7.3.160.0060.01016.47
7.3.120.0020.01714.76
7.3.110.0100.00714.68
7.3.100.0120.00614.91
7.3.90.0130.00314.64
7.3.80.0060.00614.77
7.3.70.0030.00714.64
7.3.60.0000.01514.80
7.3.50.0080.00314.88
7.3.40.0030.01014.95
7.3.30.0030.00714.89
7.3.20.0030.00616.66
7.3.10.0000.00816.26
7.3.00.0070.00316.53
7.2.330.0120.00616.68
7.2.320.0070.01016.72
7.2.310.0100.00716.55
7.2.300.0090.00816.51
7.2.290.0060.01116.73
7.2.250.0070.01315.17
7.2.240.0030.01415.09
7.2.230.0180.00314.96
7.2.220.0060.01314.78
7.2.210.0090.00615.11
7.2.200.0080.00415.09
7.2.190.0030.00614.61
7.2.180.0060.00614.92
7.2.170.0040.01114.88
7.2.60.0080.00816.90
7.2.00.0000.01119.34
7.1.330.0070.01015.71
7.1.320.0030.00715.82
7.1.310.0100.00715.67
7.1.300.0060.00315.77
7.1.290.0000.01115.52
7.1.280.0100.00315.83
7.1.270.0080.00815.59
7.1.260.0030.00815.79
7.1.200.0090.00615.55
7.1.100.0060.00917.89
7.1.70.0000.01017.11
7.1.60.0130.01319.82
7.1.50.0100.01316.99
7.1.00.0030.05022.51
7.0.200.0030.00616.72
7.0.140.0000.07322.07
7.0.60.0200.06719.99
7.0.50.0030.08717.91
7.0.40.0000.04720.21
7.0.30.0500.04020.21
7.0.20.0370.06720.20
7.0.10.0330.08020.23
7.0.00.0100.08720.06
5.6.280.0030.07320.88
5.6.210.0100.06720.48
5.6.200.0030.06318.16
5.6.190.0070.08320.47
5.6.180.0470.03320.48
5.6.170.0300.07020.54
5.6.160.0130.03720.55
5.6.150.0030.08318.18
5.6.140.0170.06018.15
5.6.130.0030.08318.27
5.6.120.0170.07321.01
5.6.110.0000.04321.03
5.6.100.0030.08721.09
5.6.90.0070.08321.00
5.6.80.0130.06720.39
5.6.70.0330.06720.29
5.5.350.0170.08320.44
5.5.340.0100.07017.98
5.5.330.0070.08320.18
5.5.320.0330.06320.29
5.5.310.0270.03720.28
5.5.300.0070.08017.99
5.5.290.0170.07717.95
5.5.280.0030.05320.89
5.5.270.0070.08720.87
5.5.260.0030.04020.88
5.5.250.0130.07020.63
5.5.240.0130.05320.28
5.4.450.0430.06319.61
5.4.440.0670.05719.30
5.4.430.0900.05019.40
5.4.420.1500.06019.37
5.4.410.0900.07019.40
5.4.400.0430.06318.73
5.4.390.0300.05718.49
5.4.380.0270.06718.50
5.4.370.0130.05718.71
5.4.360.0130.05318.51
5.4.350.0170.05718.58
5.4.340.0100.05718.77
5.4.320.0090.03412.52
5.4.310.0050.04612.52
5.4.300.0110.03512.52
5.4.290.0050.04112.52
5.4.280.0100.03512.41
5.4.270.0060.03512.41
5.4.260.0030.04712.41
5.4.250.0000.06319.03
5.4.240.0100.05018.85
5.4.230.0030.05718.86
5.4.220.0070.05718.71
5.4.210.0130.06018.71
5.4.200.0100.05318.78
5.4.190.0030.08318.88
5.4.180.0130.04718.71
5.4.170.0130.07318.75
5.4.160.0270.05018.96
5.4.150.0030.06318.70
5.4.140.0170.06016.64
5.4.130.0170.05716.50
5.4.120.0070.05716.64
5.4.110.0100.05316.45
5.4.100.0130.05716.53
5.4.90.0100.07016.42
5.4.80.0070.05016.51
5.4.70.0030.05716.36
5.4.60.0100.05016.44
5.4.50.0100.05016.34
5.4.40.0070.05016.46
5.4.30.0070.05016.28
5.4.20.0130.05716.41
5.4.10.0130.04316.41
5.4.00.0070.07015.77
5.3.290.0070.04212.80
5.3.280.0130.06714.75
5.3.270.0030.08714.71
5.3.260.0130.05014.61
5.3.250.0100.05314.60
5.3.240.0130.04714.70
5.3.230.0170.05714.71
5.3.220.0200.06014.42
5.3.210.0100.05314.59
5.3.200.0170.05314.68
5.3.190.0100.05314.68
5.3.180.0100.05014.50
5.3.170.0200.06014.75
5.3.160.0170.06314.56
5.3.150.0070.05714.68
5.3.140.0170.06314.76
5.3.130.0070.07714.73
5.3.120.0100.05014.66
5.3.110.0030.05714.66
5.3.100.0100.07014.14
5.3.90.0070.06714.01
5.3.80.0100.05014.23
5.3.70.0070.05714.03
5.3.60.0130.06014.09
5.3.50.0100.04714.05
5.3.40.0100.04713.96
5.3.30.0070.05314.10
5.3.20.0030.05713.62
5.3.10.0070.07013.78
5.3.00.0000.05713.63
5.2.170.0170.04711.25
5.2.160.0030.05711.16
5.2.150.0100.04011.26
5.2.140.0030.04311.26
5.2.130.0030.04311.35
5.2.120.0100.05310.96
5.2.110.0130.05011.09
5.2.100.0130.04711.19
5.2.90.0070.04011.21
5.2.80.0100.03311.30
5.2.70.0100.03711.07
5.2.60.0070.05311.05
5.2.50.0070.05311.13
5.2.40.0170.04711.01
5.2.30.0100.03711.06
5.2.20.0000.04311.03
5.2.10.0070.04010.84
5.2.00.0000.04310.75
5.1.60.0000.04310.04
5.1.50.0030.03310.13
5.1.40.0100.03010.01
5.1.30.0070.03710.26
5.1.20.0000.04010.29
5.1.10.0000.04010.06
5.1.00.0030.03710.10
5.0.50.0070.0338.77
5.0.40.0100.0208.44
5.0.30.0000.0478.34
5.0.20.0030.0378.07
5.0.10.0070.0338.30
5.0.00.0030.0438.26
4.4.90.0030.0207.43
4.4.80.0030.0207.43
4.4.70.0070.0177.43
4.4.60.0000.0237.43
4.4.50.0030.0277.43
4.4.40.0030.0337.43
4.4.30.0070.0177.43
4.4.20.0000.0307.43
4.4.10.0000.0337.43
4.4.00.0030.0377.43
4.3.110.0100.0237.43
4.3.100.0100.0207.43
4.3.90.0070.0277.43
4.3.80.0000.0377.43
4.3.70.0070.0177.43
4.3.60.0070.0177.43
4.3.50.0100.0207.43
4.3.40.0030.0377.43
4.3.30.0030.0207.43
4.3.20.0000.0237.43
4.3.10.0030.0307.43
4.3.00.0130.0277.18

preferences:
44.42 ms | 401 KiB | 5 Q