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)
8.3.60.0040.01118.27
8.3.50.0130.00721.14
8.3.40.0120.00318.84
8.3.30.0120.00319.17
8.3.20.0040.00420.39
8.3.10.0060.00322.10
8.3.00.0060.00322.52
8.2.180.0040.01116.75
8.2.170.0080.00822.96
8.2.160.0060.00919.24
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0000.00819.81
8.2.110.0030.00622.36
8.2.100.0090.00319.45
8.2.90.0040.00419.34
8.2.80.0030.00618.16
8.2.70.0060.00317.63
8.2.60.0030.00618.04
8.2.50.0050.00318.07
8.2.40.0060.00318.29
8.2.30.0080.00318.25
8.2.20.0070.00017.81
8.2.10.0030.00517.86
8.2.00.0060.00317.92
8.1.280.0090.00925.92
8.1.270.0030.00622.19
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0000.00923.96
8.1.230.0140.00019.28
8.1.220.0030.00617.78
8.1.210.0050.00318.77
8.1.200.0030.00617.47
8.1.190.0040.00417.52
8.1.180.0030.00520.61
8.1.170.0040.00418.65
8.1.160.0040.00422.12
8.1.150.0070.00018.74
8.1.140.0040.00417.46
8.1.130.0000.00717.92
8.1.120.0000.00717.59
8.1.110.0000.00817.55
8.1.100.0000.00717.41
8.1.90.0040.00417.56
8.1.80.0030.00517.39
8.1.70.0050.00217.52
8.1.60.0060.00317.55
8.1.50.0030.00617.61
8.1.40.0040.00417.52
8.1.30.0000.00817.62
8.1.20.0040.00417.77
8.1.10.0030.00517.52
8.1.00.0000.00917.52
8.0.300.0070.00018.77
8.0.290.0000.00717.16
8.0.280.0040.00418.39
8.0.270.0030.00317.36
8.0.260.0030.00316.97
8.0.250.0000.00717.07
8.0.240.0000.00917.05
8.0.230.0030.00317.03
8.0.220.0070.00017.08
8.0.210.0000.00717.08
8.0.200.0040.00417.02
8.0.190.0000.00916.91
8.0.180.0040.00416.98
8.0.170.0040.00416.99
8.0.160.0040.00417.04
8.0.150.0000.00816.98
8.0.140.0040.00416.93
8.0.130.0060.00013.39
8.0.120.0000.00816.99
8.0.110.0040.00416.90
8.0.100.0040.00416.90
8.0.90.0020.00516.84
8.0.80.0120.00317.00
8.0.70.0040.00416.99
8.0.60.0030.00516.78
8.0.50.0040.00416.89
8.0.30.0080.01017.23
8.0.20.0130.00817.40
8.0.10.0040.00417.14
8.0.00.0100.00916.86
7.4.330.0050.00015.05
7.4.320.0000.00716.63
7.4.300.0000.00616.69
7.4.290.0000.00716.51
7.4.280.0260.01616.71
7.4.270.0070.00016.55
7.4.260.0030.00316.53
7.4.250.0000.00816.65
7.4.240.0020.00516.58
7.4.230.0030.00316.75
7.4.220.0090.00916.58
7.4.210.0090.00716.57
7.4.200.0030.00516.76
7.4.190.0040.00416.50
7.4.160.0080.00816.61
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0080.01016.48
7.4.120.0140.00716.59
7.4.110.0070.01116.43
7.4.100.0130.01016.50
7.4.90.0130.00316.63
7.4.80.0070.01019.39
7.4.70.0090.01416.40
7.4.60.0030.01316.64
7.4.50.0050.00316.39
7.4.40.0130.00322.77
7.4.30.0070.01416.37
7.4.10.0040.01514.99
7.4.00.0090.00714.99
7.3.330.0000.00713.33
7.3.320.0020.00213.27
7.3.310.0030.00316.31
7.3.300.0000.00716.29
7.3.290.0130.00716.35
7.3.280.0080.01116.32
7.3.270.0170.00017.40
7.3.260.0150.00316.51
7.3.250.0070.00916.51
7.3.240.0110.01116.64
7.3.230.0030.01416.59
7.3.210.0140.00416.40
7.3.200.0090.00919.39
7.3.190.0100.00716.55
7.3.180.0100.00716.46
7.3.170.0090.00916.54
7.3.160.0130.00316.46
7.3.130.0100.01014.96
7.3.120.0070.01014.90
7.3.110.0050.01214.78
7.3.100.0050.01014.83
7.3.90.0080.00814.83
7.3.80.0090.00815.05
7.3.70.0070.00714.72
7.3.60.0060.00814.60
7.3.50.0020.01514.67
7.3.40.0100.00314.93
7.3.30.0070.00814.87
7.3.20.0060.00816.63
7.3.10.0080.00716.46
7.3.00.0080.00716.61
7.2.330.0140.00716.84
7.2.320.0170.00016.77
7.2.310.0100.00716.55
7.2.300.0140.00416.79
7.2.290.0100.00716.87
7.2.260.0070.01314.91
7.2.250.0060.01015.11
7.2.240.0030.01415.11
7.2.230.0040.01015.15
7.2.220.0030.01215.00
7.2.210.0090.00715.12
7.2.200.0060.01014.94
7.2.190.0120.00714.97
7.2.180.0080.00815.04
7.2.170.0050.00915.06
7.2.160.0050.00715.23
7.2.150.0060.00716.82
7.2.140.0050.00916.98
7.2.130.0130.00716.85
7.2.120.0130.00616.95
7.2.110.0120.00517.02
7.2.100.0090.00716.84
7.2.90.0090.00716.88
7.2.80.0130.00616.77
7.2.70.0120.00716.91
7.2.60.0140.00816.79
7.2.50.0110.00717.06
7.2.40.0120.00416.83
7.2.30.0070.00716.79
7.2.20.0060.01016.69
7.2.10.0090.00716.64
7.2.00.0080.00517.46
7.1.330.0050.00915.87
7.1.320.0070.00915.78
7.1.310.0020.01415.75
7.1.300.0050.01015.79
7.1.290.0090.00715.79
7.1.280.0070.00515.77
7.1.270.0030.01115.81
7.1.260.0080.00415.83
7.1.250.0100.01015.74
7.1.240.0060.00615.63
7.1.230.0040.00715.79
7.1.220.0080.00815.69
7.1.210.0020.01015.77
7.1.200.0080.00215.69
7.1.190.0040.00815.82
7.1.180.0100.00215.87
7.1.170.0050.00715.73
7.1.160.0050.00715.77
7.1.150.0050.00915.69
7.1.140.0090.00715.82
7.1.130.0070.00615.85
7.1.120.0070.00515.65
7.1.110.0000.01015.84
7.1.100.0050.00815.79
7.1.90.0110.00515.71
7.1.80.0080.00915.70
7.1.70.0060.00516.27
7.1.60.0040.01116.16
7.1.50.0060.00816.14
7.1.40.0000.00915.74
7.1.30.0120.00215.57
7.1.20.0020.01215.58
7.1.10.0050.00715.73
7.1.00.0070.01617.96
7.0.330.0070.00615.41
7.0.320.0110.00315.32
7.0.310.0020.01115.35
7.0.300.0050.00915.40
7.0.290.0050.00615.26
7.0.280.0060.00615.22
7.0.270.0050.00715.44
7.0.260.0070.00815.39
7.0.250.0060.00915.49
7.0.240.0060.00915.33
7.0.230.0110.00515.49
7.0.220.0060.00815.26
7.0.210.0040.01115.35
7.0.200.0030.01115.80
7.0.190.0050.00915.46
7.0.180.0050.00915.17
7.0.170.0030.01015.29
7.0.160.0080.00515.49
7.0.150.0050.00915.40
7.0.140.0050.03017.57
7.0.130.0020.01215.51
7.0.120.0030.01015.36
7.0.110.0050.01015.47
7.0.100.0100.00515.44
7.0.90.0040.01015.30
7.0.80.0070.00415.48
7.0.70.0040.00915.44
7.0.60.0080.03416.85
7.0.50.0060.03116.28
7.0.40.0060.03215.58
7.0.30.0140.02015.71
7.0.20.0110.03215.71
7.0.10.0170.02715.60
7.0.00.0090.03115.64
5.6.400.0100.00414.47
5.6.390.0080.00314.45
5.6.380.0080.00614.34
5.6.370.0060.00614.54
5.6.360.0020.01014.49
5.6.350.0060.00514.39
5.6.340.0070.00714.24
5.6.330.0050.00514.32
5.6.320.0050.00714.41
5.6.310.0080.00614.33
5.6.300.0040.00714.38
5.6.290.0050.01014.56
5.6.280.0040.03016.70
5.6.270.0080.00314.30
5.6.260.0080.00814.23
5.6.250.0100.00514.45
5.6.240.0060.00814.36
5.6.230.0060.00914.60
5.6.220.0110.00114.36
5.6.210.0050.02316.50
5.6.200.0040.02315.69
5.6.190.0080.02116.50
5.6.180.1170.01516.64
5.6.170.0130.03116.36
5.6.160.0090.03016.53
5.6.150.0070.02315.62
5.6.140.0030.02115.71
5.6.130.0050.03615.64
5.6.120.0070.01616.66
5.6.110.0080.03216.50
5.6.100.0090.02616.56
5.6.90.0030.03216.63
5.6.80.0040.03416.31
5.6.70.0090.01816.35
5.6.60.0070.01014.44
5.6.50.0070.00514.47
5.6.40.0080.00814.18
5.6.30.0130.00314.37
5.6.20.0020.01214.42
5.6.10.0040.00814.18
5.6.00.0080.00414.36
5.5.380.0030.01014.47
5.5.370.0040.00614.20
5.5.360.0080.00514.40
5.5.350.0050.02916.38
5.5.340.0030.02315.53
5.5.330.0080.02616.24
5.5.320.0130.01516.26
5.5.310.0110.03016.33
5.5.300.0020.02115.58
5.5.290.0030.02615.49
5.5.280.0080.03216.54
5.5.270.0050.02216.58
5.5.260.0070.02616.55
5.5.250.0090.03116.46
5.5.240.0080.02116.23
5.5.230.0020.00814.31
5.5.220.0050.00914.46
5.5.210.0020.01114.24
5.5.200.0100.00314.12
5.5.190.0060.00614.28
5.5.180.0040.00914.17
5.5.170.0030.01014.14
5.5.160.0050.00814.21
5.5.150.0060.00814.15
5.5.140.0040.00814.31
5.5.130.0000.01214.13
5.5.120.0040.00614.51
5.5.110.0060.01014.33
5.5.100.0070.00714.11
5.5.90.0050.01014.21
5.5.80.0100.00514.35
5.5.70.0040.01214.10
5.5.60.0080.00614.25
5.5.50.0070.00514.40
5.5.40.0040.01114.41
5.5.30.0050.00614.15
5.5.20.0070.00714.09
5.5.10.0080.00814.35
5.5.00.0060.00814.30
5.4.450.0240.02214.21
5.4.440.0320.02014.25
5.4.430.0300.02514.21
5.4.420.0070.02114.22
5.4.410.0300.02214.18
5.4.400.0350.02213.99
5.4.390.0520.02613.97
5.4.380.0110.02313.91
5.4.370.0070.02113.96
5.4.360.0050.02313.88
5.4.350.0120.01913.97
5.4.340.0090.02114.01
5.4.330.0050.00511.57
5.4.320.0060.01611.89
5.4.310.0050.02311.88
5.4.300.0060.01811.89
5.4.290.0040.01711.88
5.4.280.0050.01611.85
5.4.270.0020.01811.85
5.4.260.0060.01711.85
5.4.250.0070.02213.99
5.4.240.0080.01914.02
5.4.230.0050.02314.05
5.4.220.0090.02013.96
5.4.210.0050.02214.04
5.4.200.0090.02614.04
5.4.190.0100.02014.04
5.4.180.0060.02214.04
5.4.170.0060.01914.06
5.4.160.0040.02814.04
5.4.150.0030.02613.95
5.4.140.0090.01813.22
5.4.130.0060.01813.19
5.4.120.0020.02313.22
5.4.110.0060.02113.26
5.4.100.0060.01913.23
5.4.90.0070.01713.28
5.4.80.0060.02213.19
5.4.70.0090.01813.22
5.4.60.0060.01913.21
5.4.50.0070.02713.21
5.4.40.0100.01913.27
5.4.30.0050.01913.17
5.4.20.0070.02113.25
5.4.10.0110.01713.19
5.4.00.0070.02513.01
5.3.290.0060.02211.98
5.3.280.0040.02212.58
5.3.270.0050.02212.62
5.3.260.0090.02512.66
5.3.250.0040.02412.63
5.3.240.0070.02212.59
5.3.230.0050.01912.61
5.3.220.0100.01912.58
5.3.210.0030.02212.58
5.3.200.0050.01912.56
5.3.190.0040.02112.56
5.3.180.0070.02712.56
5.3.170.0080.01712.56
5.3.160.0030.02512.57
5.3.150.0070.01912.63
5.3.140.0070.02012.60
5.3.130.0070.02112.56
5.3.120.0030.02412.60
5.3.110.0030.02412.62
5.3.100.0090.02112.43
5.3.90.0040.02212.39
5.3.80.0080.01712.47
5.3.70.0040.02012.39
5.3.60.0030.02712.40
5.3.50.0040.02612.37
5.3.40.0080.02412.31
5.3.30.0020.02812.35
5.3.20.0050.02812.36
5.3.10.0060.01812.29
5.3.00.0010.02412.34
5.2.170.0070.04311.33
5.2.160.0100.05011.39
5.2.150.0100.04311.16
5.2.140.0070.04011.16
5.2.130.0000.04711.13
5.2.120.0130.03311.30
5.2.110.0100.04711.12
5.2.100.0170.04011.11
5.2.90.0130.03011.21
5.2.80.0070.04011.34
5.2.70.0070.05711.20
5.2.60.0000.04711.06
5.2.50.0070.04311.13
5.2.40.0100.05011.10
5.2.30.0170.03310.98
5.2.20.0030.04011.05
5.2.10.0030.04710.97
5.2.00.0130.04310.84
5.1.60.0030.04710.00
5.1.50.0070.03010.07
5.1.40.0070.0339.85
5.1.30.0000.04010.58
5.1.20.0030.04010.61
5.1.10.0070.04710.07
5.1.00.0030.04710.08
5.0.50.0070.0278.65
5.0.40.0100.0208.54
5.0.30.0070.0508.10
5.0.20.0030.0338.28
5.0.10.0130.0338.26
5.0.00.0030.0408.19
4.4.90.0030.0307.48
4.4.80.0030.0307.48
4.4.70.0070.0277.48
4.4.60.0030.0237.48
4.4.50.0030.0237.48
4.4.40.0000.0337.48
4.4.30.0070.0277.48
4.4.20.0070.0177.48
4.4.10.0070.0207.48
4.4.00.0030.0407.48
4.3.110.0030.0307.48
4.3.100.0000.0337.48
4.3.90.0030.0207.48
4.3.80.0100.0377.48
4.3.70.0000.0277.48
4.3.60.0000.0237.48
4.3.50.0000.0237.48
4.3.40.0100.0237.48
4.3.30.0000.0237.48
4.3.20.0000.0237.48
4.3.10.0000.0277.48
4.3.00.0170.0237.19

preferences:
48.61 ms | 400 KiB | 5 Q