3v4l.org

run code in 300+ PHP versions simultaneously
<?php 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(); public function __construct() { 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)
8.3.60.0040.01516.63
8.3.50.0140.00617.26
8.3.40.0200.00318.51
8.3.30.0040.01118.84
8.3.20.0100.00618.59
8.3.10.0030.00620.65
8.3.00.0050.00319.38
8.2.180.0130.00916.75
8.2.170.0090.00622.96
8.2.160.0160.00318.79
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0040.00421.13
8.2.110.0090.00019.44
8.2.100.0040.00718.28
8.2.90.0000.00817.75
8.2.80.0060.00317.97
8.2.70.0040.00417.93
8.2.60.0000.00819.21
8.2.50.0040.00419.37
8.2.40.0040.00420.67
8.2.30.0000.00918.16
8.2.20.0060.00617.75
8.2.10.0040.00417.70
8.2.00.0040.00417.73
8.1.280.0100.01025.92
8.1.270.0090.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00622.11
8.1.230.0040.00722.70
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00717.48
8.1.190.0050.00517.25
8.1.180.0080.00018.10
8.1.170.0030.00618.71
8.1.160.0040.00418.93
8.1.150.0000.00818.79
8.1.140.0040.00417.55
8.1.130.0000.00717.80
8.1.120.0070.00017.55
8.1.110.0060.00317.48
8.1.100.0070.00017.49
8.1.90.0080.00017.54
8.1.80.0000.00717.48
8.1.70.0000.00717.48
8.1.60.0030.00617.63
8.1.50.0040.00417.40
8.1.40.0040.00417.55
8.1.30.0060.00317.59
8.1.20.0000.00817.75
8.1.10.0000.00817.63
8.1.00.0060.00317.44
8.0.300.0050.00319.82
8.0.290.0050.00516.63
8.0.280.0000.00718.55
8.0.270.0000.00717.36
8.0.260.0000.00816.90
8.0.250.0060.00317.11
8.0.240.0040.00417.10
8.0.230.0050.00217.05
8.0.220.0000.00817.03
8.0.210.0080.00017.00
8.0.200.0000.00917.09
8.0.190.0030.00617.14
8.0.180.0000.00716.93
8.0.170.0040.00416.83
8.0.160.0040.00417.02
8.0.150.0050.00316.92
8.0.140.0030.00516.98
8.0.130.0000.00513.42
8.0.120.0000.00916.86
8.0.110.0050.00316.81
8.0.100.0040.00416.84
8.0.90.0000.00716.97
8.0.80.0030.01216.97
8.0.70.0000.00717.01
8.0.60.0060.00316.87
8.0.50.0040.00417.01
8.0.30.0080.01217.18
8.0.20.0120.00617.18
8.0.10.0000.00717.14
8.0.00.0120.01016.94
7.4.330.0050.00012.98
7.4.320.0000.00616.55
7.4.300.0000.00616.48
7.4.290.0030.00316.61
7.4.280.0080.00016.64
7.4.270.0050.00316.46
7.4.260.0000.00513.30
7.4.250.0040.00416.58
7.4.240.0070.00016.50
7.4.230.0070.00016.39
7.4.220.0000.01716.62
7.4.210.0150.00016.56
7.4.200.0070.00016.73
7.4.190.0040.00416.77
7.4.160.0100.00716.37
7.4.150.0130.00716.57
7.4.140.0100.00716.34
7.4.130.0100.00716.55
7.4.120.0090.00916.52
7.4.110.0000.01716.39
7.4.100.0030.01316.69
7.4.90.0070.01016.39
7.4.80.0070.01019.39
7.4.70.0060.01016.52
7.4.60.0030.01316.52
7.4.50.0050.00516.60
7.4.40.0030.00916.43
7.4.30.0110.01116.76
7.4.00.0030.01414.82
7.3.330.0000.00613.09
7.3.320.0040.00413.28
7.3.310.0070.00016.38
7.3.300.0000.00716.30
7.3.290.0080.00816.34
7.3.280.0110.00416.33
7.3.270.0070.01016.50
7.3.260.0070.01016.58
7.3.250.0120.00616.48
7.3.240.0070.01116.46
7.3.230.0110.00716.42
7.3.210.0150.00316.47
7.3.200.0030.01416.62
7.3.190.0050.01116.57
7.3.180.0040.01216.47
7.3.170.0130.00316.43
7.3.160.0090.00616.52
7.3.120.0090.00914.83
7.3.10.0090.00316.64
7.3.00.0050.00516.46
7.2.330.0080.01116.59
7.2.320.0160.00616.54
7.2.310.0090.00916.70
7.2.300.0080.00816.83
7.2.290.0070.01116.79
7.2.130.0130.00316.73
7.2.120.0070.01117.14
7.2.110.0030.01316.80
7.2.100.0170.00316.93
7.2.90.0120.00917.08
7.2.80.0030.01216.73
7.2.70.0030.00916.72
7.2.60.0040.01216.85
7.2.50.0040.01116.74
7.2.40.0060.00916.70
7.2.30.0060.00317.18
7.2.20.0000.01217.18
7.2.10.0110.00416.99
7.2.00.0110.00318.13
7.1.250.0050.00515.82
7.1.200.0090.00315.86
7.1.100.0050.00518.05
7.1.70.0100.00316.86
7.1.60.0130.01019.30
7.1.50.0090.00916.70
7.1.00.0000.07022.27
7.0.200.0000.00916.48
7.0.140.0000.07721.98
7.0.120.0070.07722.18
7.0.60.0370.07319.95
7.0.50.0030.06017.84
7.0.40.0130.03320.23
7.0.30.0100.03720.19
7.0.20.0030.04320.01
7.0.10.0030.05020.16
7.0.00.0070.04020.10
5.6.280.0000.07720.84
5.6.210.0000.04320.71
5.6.200.0100.06718.16
5.6.190.0070.04020.63
5.6.180.0030.04020.39
5.6.170.0070.03720.64
5.6.160.0070.04020.49
5.6.150.0030.04020.40
5.6.140.0100.03720.23
5.6.130.0030.04320.54
5.6.120.0070.04020.32
5.6.110.0100.03720.17
5.6.100.0030.04020.50
5.6.90.0100.03720.47
5.6.80.0030.04019.79
5.6.70.0030.06319.79
5.6.60.0070.05319.61
5.6.50.0030.06719.88
5.6.40.0000.04319.85
5.6.30.0130.04019.73
5.6.20.0000.07719.66
5.6.10.0030.05019.79
5.6.00.0070.05319.75
5.5.350.4030.04320.35
5.5.340.0070.07317.94
5.5.330.0070.04020.43
5.5.320.0070.03720.47
5.5.310.0030.04020.56
5.5.300.0000.04320.02
5.5.290.0000.04320.20
5.5.280.0070.04019.96
5.5.270.0030.04320.20
5.5.260.0070.04019.96
5.5.250.0030.04019.93
5.5.240.0030.05019.68
5.5.230.0070.05719.34
5.5.220.0070.08019.40
5.5.210.0070.08019.59
5.5.200.0000.04319.56
5.5.190.0000.04719.32
5.5.180.0070.03719.52
5.5.160.0100.08019.48
5.5.150.0030.04319.38
5.5.140.0100.05019.32
5.5.130.0200.07319.31
5.5.120.0030.08319.56
5.5.110.0030.04319.57
5.5.100.0130.05319.47
5.5.90.0200.06019.41
5.5.80.0070.05019.22
5.5.70.0170.07019.27
5.5.60.0070.04719.37
5.5.50.0030.07719.36
5.5.40.0000.07319.42
5.5.30.0070.07719.39
5.5.20.0100.07319.37
5.5.10.0070.04019.38
5.5.00.0100.07019.36
5.4.450.0000.04319.50
5.4.440.0000.04019.18
5.4.430.0000.04019.26
5.4.420.0000.04019.17
5.4.410.0000.04019.34
5.4.400.0100.05018.88
5.4.390.0030.07019.00
5.4.380.0070.05019.09
5.4.370.0170.06319.24
5.4.360.0000.04318.87
5.4.350.0070.07018.84
5.4.340.0070.04718.86
5.4.320.0130.04319.16
5.4.310.0000.04319.14
5.4.300.0030.04019.24
5.4.290.0030.06019.25
5.4.280.0070.04018.88
5.4.270.0130.04318.98
5.4.260.0100.07719.15
5.4.250.0130.03318.96
5.4.240.0030.08319.14
5.4.230.0030.07718.85
5.4.220.0100.07019.23
5.4.210.0100.04318.92
5.4.200.0070.07718.91
5.4.190.0130.06719.11
5.4.180.0030.06319.23
5.4.170.0170.04719.14
5.4.160.0070.06019.18
5.4.150.0100.07019.15
5.4.140.0130.06716.32
5.4.130.0000.07316.37
5.4.120.0130.05316.49
5.4.110.0130.06316.47
5.4.100.0070.06316.41
5.4.90.0030.04316.43
5.4.80.0100.07316.40
5.4.70.0030.06716.48
5.4.60.0070.05316.45
5.4.50.0030.07016.31
5.4.40.0070.07716.35
5.4.30.0070.07316.27
5.4.20.0100.04316.42
5.4.10.0170.05016.38
5.4.00.0030.07315.79
5.3.290.0070.03714.63
5.3.280.0000.05714.62
5.3.270.0100.06014.68
5.3.260.0170.03014.61
5.3.250.0070.06714.76
5.3.240.0030.07714.64
5.3.230.0070.07714.63
5.3.220.0030.05014.61
5.3.210.0070.05314.63
5.3.200.0170.06314.61
5.3.190.0030.06314.65
5.3.180.0100.05714.55
5.3.170.0070.05314.45
5.3.160.0030.07714.58
5.3.150.0100.07714.72
5.3.140.0070.07314.70
5.3.130.0100.06714.54
5.3.120.0070.08014.59
5.3.110.0070.07714.57
5.3.100.0100.07014.09
5.3.90.0000.04014.05
5.3.80.0070.05014.00
5.3.70.0130.06714.02
5.3.60.0070.03313.94
5.3.50.0000.05313.89
5.3.40.0100.07314.00
5.3.30.0070.07013.95
5.3.20.0170.05713.76
5.3.10.0100.03013.71
5.3.00.0100.05713.63
5.2.170.0070.04011.22
5.2.160.0170.05311.18
5.2.150.0100.05311.11
5.2.140.0030.05311.03
5.2.130.0030.04011.03
5.2.120.0130.02011.16
5.2.110.0000.03010.99
5.2.100.0030.06311.27
5.2.90.0030.06311.14
5.2.80.0030.06711.09
5.2.70.0100.05711.06
5.2.60.0030.06311.04
5.2.50.0030.03711.01
5.2.40.0000.03711.04
5.2.30.0000.04310.91
5.2.20.0030.03710.95
5.2.10.0000.04010.86
5.2.00.0030.04310.63
5.1.60.0000.04010.04
5.1.50.0070.05010.14
5.1.40.0030.05310.13
5.1.30.0030.04310.30
5.1.20.0030.05010.36
5.1.10.0000.03010.07
5.1.00.0100.03010.14
5.0.50.0070.0308.70
5.0.40.0030.0278.37
5.0.30.0070.0438.38
5.0.20.0100.0378.20
5.0.10.0000.0308.17
5.0.00.0070.0338.15
4.4.90.0000.0306.59
4.4.80.0000.0406.59
4.4.70.0000.0306.59
4.4.60.0070.0376.59
4.4.50.0000.0336.59
4.4.40.0030.0536.59
4.4.30.0000.0406.59
4.4.20.0000.0336.59
4.4.10.0000.0176.59
4.4.00.0030.0536.59
4.3.110.0000.0276.59
4.3.100.0030.0376.59
4.3.90.0030.0236.59
4.3.80.0030.0276.59
4.3.70.0000.0336.59
4.3.60.0000.0176.59
4.3.50.0000.0176.59
4.3.40.0000.0536.59
4.3.30.0000.0376.59
4.3.20.0000.0176.59
4.3.10.0000.0206.59
4.3.00.0000.0236.59

preferences:
47.18 ms | 401 KiB | 5 Q