3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MySessionHandler implements \SessionHandlerInterface { public $messages = array(); public function open($savePath, $sessionName) { $this->messages[] = 'open ' . $sessionName; } public function close() { $this->messages[] = 'close'; } public function read($id) { $this->messages[] = 'read ' . $id; } public function write($id, $data) { $this->messages[] = 'write ' . $id . ': ' . $data; } public function destroy($id) { $this->messages[] = 'destroy ' . $id; } public function gc($maxlifetime) { $this->messages[] = 'gc ' . var_export($maxlifetime, true); } public function __destruct() { var_dump($this->messages); } } $handler = new MySessionHandler(); session_set_save_handler($handler, true); $handler->messages[] = 'isset($_SESSION): ' . var_export(isset($_SESSION), true); $_SESSION['before'] = 'start'; session_start(); $_SESSION['foo'] = 'bar'; $handler->messages[] = 'current session_id: ' . session_id(); session_regenerate_id(true); $handler->messages[] = 'current session_id: ' . session_id(); session_write_close(); session_start(); session_destroy(); $handler->messages[] = var_export($_SESSION, true); $handler->messages[] = 'current session_id: ' . var_export(session_id(), true); session_id('explicit-session-id'); session_start(); $_SESSION['john'] = 'doe';

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)
8.3.70.0130.00917.00
8.3.60.0100.01016.62
8.3.50.0060.01117.52
8.3.40.0120.00318.91
8.3.30.0160.00018.92
8.3.20.0040.00418.90
8.3.10.0030.00518.90
8.3.00.0100.00619.50
8.2.180.0100.01018.04
8.2.170.0110.00422.96
8.2.160.0030.01318.88
8.2.150.0030.00624.18
8.2.140.0000.00824.66
8.2.130.0060.00326.16
8.2.120.0040.00419.66
8.2.110.0070.00419.27
8.2.100.0070.00418.16
8.2.90.0000.00819.17
8.2.80.0000.00818.05
8.2.70.0030.00517.63
8.2.60.0080.00417.93
8.2.50.0030.00618.10
8.2.40.0040.00420.55
8.2.30.0080.00021.13
8.2.20.0030.00617.93
8.2.10.0080.00017.92
8.2.00.0090.00017.86
8.1.280.0100.00725.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00722.43
8.1.230.0040.00717.45
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0030.00618.48
8.1.160.0000.00819.07
8.1.150.0050.00218.70
8.1.140.0090.00017.57
8.1.130.0070.00017.50
8.1.120.0070.00417.38
8.1.110.0040.00417.34
8.1.100.0000.00717.50
8.1.90.0070.00017.53
8.1.80.0040.00417.52
8.1.70.0000.00717.45
8.1.60.0040.00417.52
8.1.50.0060.00317.43
8.1.40.0000.00817.54
8.1.30.0040.00417.68
8.1.20.0040.00417.60
8.1.10.0040.00417.52
8.1.00.0000.00717.40
8.0.300.0040.00418.77
8.0.290.0020.00516.88
8.0.280.0000.00818.49
8.0.270.0030.00317.97
8.0.260.0070.00016.94
8.0.250.0030.00516.98
8.0.240.0040.00416.99
8.0.230.0050.00216.93
8.0.220.0000.00917.02
8.0.210.0000.00716.98
8.0.200.0030.00316.96
8.0.190.0060.00317.02
8.0.180.0000.00716.89
8.0.170.0060.00317.01
8.0.160.0000.00817.02
8.0.150.0040.00416.98
8.0.140.0060.00316.90
8.0.130.0050.00013.32
8.0.120.0030.00616.75
8.0.110.0040.00417.01
8.0.100.0040.00416.79
8.0.90.0000.00716.86
8.0.80.0090.00616.99
8.0.70.0000.00716.95
8.0.60.0080.00017.00
8.0.50.0040.00416.89
8.0.30.0070.01017.07
8.0.20.0060.01317.02
8.0.10.0030.00617.16
8.0.00.0090.01116.87
7.4.330.0060.00013.11
7.4.320.0030.00316.63
7.4.300.0000.00716.47
7.4.290.0000.00716.66
7.4.280.0040.00416.43
7.4.270.0070.00016.56
7.4.260.0030.00313.31
7.4.250.0030.00616.68
7.4.240.0040.00416.47
7.4.230.0030.00616.48
7.4.220.0160.00916.61
7.4.210.0000.01816.63
7.4.200.0000.00716.39
7.4.190.0030.00516.80
7.4.160.0100.00716.48
7.4.150.0100.01016.38
7.4.140.0130.01017.86
7.4.130.0090.00916.38
7.4.120.0100.01016.45
7.4.110.0070.01016.65
7.4.100.0070.01116.62
7.4.90.0190.00416.61
7.4.80.0140.00519.39
7.4.70.0120.00616.71
7.4.60.0040.01216.40
7.4.50.0000.00416.52
7.4.40.0040.01216.70
7.4.30.0100.00716.70
7.4.00.0110.00414.81
7.3.330.0060.00013.47
7.3.320.0030.00313.30
7.3.310.0030.00516.47
7.3.300.0030.00316.34
7.3.290.0070.00816.42
7.3.280.0120.00316.34
7.3.270.0030.01516.51
7.3.260.0090.01516.42
7.3.240.0060.01616.64
7.3.230.0130.00316.41
7.3.210.0090.00916.45
7.3.200.0070.01016.48
7.3.190.0090.00916.63
7.3.180.0000.01616.52
7.3.170.0120.00916.47
7.3.160.0060.01016.43
7.3.120.0070.00714.69
7.2.330.0080.01116.86
7.2.320.0090.00916.73
7.2.310.0040.01516.74
7.2.300.0110.01116.77
7.2.290.0120.00616.70
7.2.60.0060.00616.50
7.2.00.0060.00919.64
7.1.200.0030.01015.60
7.1.100.0420.01016.18
7.1.70.0030.01217.08
7.1.60.0130.01319.21
7.1.50.0120.01216.98
7.1.00.0000.03722.57
7.0.200.0180.00416.79
7.0.140.0070.06721.92
7.0.120.0070.07022.04
7.0.60.1530.05019.93
7.0.50.0070.08317.89
7.0.40.0100.07720.16
7.0.30.0030.08320.25
7.0.20.0070.06720.20
7.0.10.0030.08020.02
7.0.00.0030.06720.20
5.6.280.0000.07721.10
5.6.210.0730.05020.71
5.6.200.0100.08018.20
5.6.190.0030.06320.60
5.6.180.0070.04320.32
5.6.170.0030.07020.60
5.6.160.0070.08320.54
5.6.150.0030.08020.32
5.6.140.0000.05320.39
5.6.130.0070.08320.39
5.6.120.0070.07020.19
5.6.110.0030.08720.16
5.6.100.0030.04320.36
5.6.90.0030.09020.12
5.6.80.0030.08319.55
5.6.70.0000.04719.87
5.6.60.0030.08319.54
5.6.50.0030.08319.72
5.6.40.0070.07319.54
5.6.30.0070.07719.67
5.6.20.0100.07019.68
5.6.10.0030.09319.52
5.6.00.0030.08019.74
5.5.350.0070.08020.47
5.5.340.0030.08718.04
5.5.330.0030.09020.20
5.5.320.0030.08720.31
5.5.310.0000.07320.30
5.5.300.0030.06020.32
5.5.290.0030.04320.31
5.5.280.0070.08020.13
5.5.270.0000.04720.18
5.5.260.0030.08720.22
5.5.250.0070.07719.79
5.5.240.0000.06019.41
5.5.230.0070.06319.66
5.5.220.0770.06320.33
5.5.210.1130.06720.20
5.5.200.1630.06720.11
5.5.190.0070.07719.32
5.5.180.0030.07319.64
5.5.160.0000.08719.63
5.5.150.0000.07719.46
5.5.140.0030.08319.31
5.5.130.0000.04019.47
5.5.120.0000.04019.31
5.5.110.0000.08019.29
5.5.100.0070.07319.45
5.5.90.0070.04719.45
5.5.80.0030.05319.54
5.5.70.0000.07019.21
5.5.60.0000.08019.37
5.5.50.0030.06319.35
5.5.40.0070.07719.45
5.5.30.0030.07719.46
5.5.20.0170.06319.27
5.5.10.0070.08019.27
5.5.00.0030.04719.47
5.4.450.0100.07319.24
5.4.440.0030.08319.30
5.4.430.0070.05719.43
5.4.420.0070.08019.46
5.4.410.0130.06719.43
5.4.400.0070.07019.12
5.4.390.0030.06319.11
5.4.380.0030.07319.24
5.4.370.0070.08019.14
5.4.360.0000.06019.07
5.4.350.0000.07318.84
5.4.340.0130.06718.87
5.4.320.0030.08019.14
5.4.310.0100.07019.24
5.4.300.0000.05319.11
5.4.290.0030.03319.19
5.4.280.0070.03019.14
5.4.270.0070.07319.07
5.4.260.0000.08018.86
5.4.250.0100.07018.96
5.4.240.0100.06719.23
5.4.230.0100.06019.14
5.4.220.0070.07319.13
5.4.210.0000.08018.86
5.4.200.0000.07719.22
5.4.190.0030.04719.14
5.4.180.0070.04019.19
5.4.170.0000.05718.91
5.4.160.0070.07319.12
5.4.150.0070.03718.89
5.4.140.0000.03716.50
5.4.130.0000.03716.38
5.4.120.0000.03716.34
5.4.110.0030.03316.47
5.4.100.0000.03316.38
5.4.90.0000.03316.43
5.4.80.0030.03316.28
5.4.70.0000.03716.39
5.4.60.0000.03316.45
5.4.50.0000.03316.27
5.4.40.0030.03016.45
5.4.30.0000.03716.30
5.4.20.0030.03316.36
5.4.10.0000.03716.36
5.4.00.0000.03715.85
5.3.290.0030.07314.69
5.3.280.0000.08014.52
5.3.270.0100.05714.76
5.3.260.0070.06714.62
5.3.250.0070.03714.63
5.3.240.0000.04314.61
5.3.230.0030.03314.75
5.3.220.0070.03014.59
5.3.210.0000.04014.59
5.3.200.0000.03714.59
5.3.190.0000.04014.66
5.3.180.0000.03714.59
5.3.170.0070.03314.61
5.3.160.0000.04714.72
5.3.150.0000.03714.61
5.3.140.0070.03014.57
5.3.130.0000.04014.59
5.3.120.0070.03014.61
5.3.110.0000.03714.64
5.3.100.0000.03714.06
5.3.90.0000.03714.02
5.3.80.0000.03714.05
5.3.70.0000.03314.03
5.3.60.0000.03714.17
5.3.50.0000.05013.90
5.3.40.0000.03314.11
5.3.30.0030.03014.06
5.3.20.0030.03013.70
5.3.10.0000.03713.68
5.3.00.0000.03713.81
5.2.170.0000.03011.96
5.2.160.0000.02711.96
5.2.150.0000.03011.96
5.2.140.0000.02711.96
5.2.130.0000.03011.96
5.2.120.0000.03011.96
5.2.110.0000.02711.96
5.2.100.0000.03011.96
5.2.90.0000.02711.96
5.2.80.0000.03011.96
5.2.70.0000.03011.96
5.2.60.0000.02711.96
5.2.50.0000.03011.96
5.2.40.0000.02711.96
5.2.30.0030.02711.96
5.2.20.0000.02711.96
5.2.10.0030.06011.96
5.2.00.0000.04711.96
5.1.60.0000.03011.96
5.1.50.0000.04711.96
5.1.40.0000.04711.96
5.1.30.0030.06011.96
5.1.20.0000.06311.96
5.1.10.0000.06011.96
5.1.00.0030.05011.96
5.0.50.0030.04311.96
5.0.40.0070.04011.96
5.0.30.0000.07011.96
5.0.20.0030.04011.96
5.0.10.0030.03711.96
5.0.00.0000.06711.96
4.4.90.0000.01711.96
4.4.80.0000.01311.96
4.4.70.0030.01711.96
4.4.60.0000.01311.96
4.4.50.0000.03311.96
4.4.40.0000.02711.96
4.4.30.0000.02311.96
4.4.20.0000.03311.96
4.4.10.0070.02311.96
4.4.00.0000.03311.96
4.3.110.0000.03311.96
4.3.100.0000.03711.96
4.3.90.0000.03011.96
4.3.80.0030.05311.96
4.3.70.0070.03011.96
4.3.60.0000.03711.96
4.3.50.0000.03311.96
4.3.40.0000.04311.96
4.3.30.0000.04011.96
4.3.20.0000.03711.96
4.3.10.0000.03711.96
4.3.00.0000.03011.96

preferences:
40.94 ms | 401 KiB | 5 Q