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 . ': ' . $data; throw new \RuntimeException('bad'); } public function destroy($id) { $this->messages[] = 'destroy ' . $id; } public function gc($maxlifetime) { $this->messages[] = 'gc ' . var_export($maxlifetime, true); } public function __destruct() { var_dump($this->messages); } } try { $handler = new MySessionHandler(); session_set_save_handler($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'; } catch (\Exception $e) { }

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)
8.3.60.0170.00318.43
8.3.50.0120.00716.55
8.3.40.0110.00418.88
8.3.30.0060.01218.81
8.3.20.0050.00318.94
8.3.10.0030.00620.66
8.3.00.0050.00317.71
8.2.180.0120.00916.75
8.2.170.0140.00722.96
8.2.160.0130.00722.30
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00419.95
8.2.110.0000.00921.01
8.2.100.0040.00917.91
8.2.90.0080.00019.26
8.2.80.0060.00318.03
8.2.70.0040.00417.75
8.2.60.0050.00317.93
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0040.00418.26
8.2.20.0000.00817.68
8.2.10.0040.00417.84
8.2.00.0060.00317.90
8.1.280.0100.00525.92
8.1.270.0030.00523.99
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0000.00922.64
8.1.230.0050.00520.89
8.1.220.0000.00918.77
8.1.210.0050.00319.04
8.1.200.0070.00317.35
8.1.190.0070.00017.53
8.1.180.0000.00818.10
8.1.170.0060.00318.90
8.1.160.0040.00418.95
8.1.150.0050.00218.70
8.1.140.0030.00617.50
8.1.130.0030.00317.89
8.1.120.0030.00517.54
8.1.110.0030.00517.40
8.1.100.0000.00817.53
8.1.90.0040.00417.55
8.1.80.0000.00717.48
8.1.70.0070.00017.48
8.1.60.0030.00617.64
8.1.50.0030.00517.41
8.1.40.0030.00517.49
8.1.30.0000.00717.54
8.1.20.0000.00817.68
8.1.10.0030.00517.65
8.1.00.0000.00817.45
8.0.300.0000.00720.02
8.0.290.0000.01116.75
8.0.280.0070.00018.41
8.0.270.0040.00417.41
8.0.260.0030.00318.58
8.0.250.0000.00717.00
8.0.240.0060.00317.04
8.0.230.0030.00417.07
8.0.220.0000.00717.03
8.0.210.0000.00716.89
8.0.200.0030.00316.93
8.0.190.0080.00017.07
8.0.180.0040.00416.95
8.0.170.0060.00316.96
8.0.160.0040.00417.02
8.0.150.0040.00416.84
8.0.140.0000.01116.93
8.0.130.0000.00513.39
8.0.120.0000.00816.98
8.0.110.0040.00416.88
8.0.100.0070.00016.99
8.0.90.0070.00016.99
8.0.80.0030.01316.99
8.0.70.0040.00417.00
8.0.60.0040.00416.90
8.0.50.0040.00416.96
8.0.30.0090.01017.25
8.0.20.0110.00817.15
8.0.10.0040.00417.08
8.0.00.0120.00916.76
7.4.330.0050.00014.64
7.4.320.0070.00016.50
7.4.300.0060.00016.57
7.4.290.0080.00016.61
7.4.280.0000.01016.68
7.4.270.0000.00716.59
7.4.260.0050.00013.32
7.4.250.0060.00316.53
7.4.240.0000.00716.48
7.4.230.0030.00516.38
7.4.220.0110.00716.62
7.4.210.0080.00816.61
7.4.200.0070.00016.62
7.4.190.0040.00416.55
7.4.160.0110.00516.40
7.4.150.0000.01817.07
7.4.140.0080.01217.19
7.4.130.0140.00616.69
7.4.120.0120.01116.66
7.4.110.0090.01316.54
7.4.100.0000.01816.64
7.4.90.0070.01116.70
7.4.80.0150.00718.80
7.4.70.0090.01016.41
7.4.60.0070.01016.55
7.4.50.0000.00416.57
7.4.40.0090.00622.27
7.4.30.0090.00616.56
7.4.00.0060.00615.09
7.3.330.0040.00313.29
7.3.320.0050.00013.41
7.3.310.0030.00316.36
7.3.300.0030.00316.45
7.3.290.0030.01116.44
7.3.280.0070.01016.45
7.3.270.0060.01217.07
7.3.260.0080.01018.24
7.3.250.0090.01416.64
7.3.240.0070.01016.38
7.3.230.0170.00016.52
7.3.210.0140.00816.64
7.3.200.0030.01519.39
7.3.190.0110.00816.63
7.3.180.0040.01216.52
7.3.170.0170.00016.46
7.3.160.0000.01716.54
7.3.120.0040.00815.02
7.2.330.0150.00316.49
7.2.320.0060.01116.86
7.2.310.0140.01116.83
7.2.300.0000.02016.82
7.2.290.0120.01316.69
7.2.60.0120.00416.82
7.2.00.0100.00719.66
7.1.200.0060.00915.75
7.1.100.0060.00618.13
7.1.70.0070.01017.23
7.1.60.0140.01119.40
7.1.50.0110.01116.86
7.1.00.0100.06722.30
7.0.200.0040.00416.84
7.0.140.0030.07021.97
7.0.60.0430.07319.91
7.0.50.0030.04717.91
7.0.40.0070.05017.86
7.0.30.0070.08717.73
7.0.20.0030.05317.75
7.0.10.0100.03717.85
7.0.00.0070.05317.83
5.6.280.0030.07321.02
5.6.210.0970.05720.80
5.6.200.0030.05018.29
5.6.190.0070.04318.18
5.6.180.0130.04018.15
5.6.170.0030.07718.29
5.6.160.0070.08018.20
5.6.150.0070.05318.13
5.6.140.0000.05018.18
5.6.130.0070.04018.15
5.6.120.0130.05018.28
5.6.110.0100.05018.23
5.6.100.0070.08318.18
5.6.90.0170.05718.17
5.6.80.0100.07017.57
5.6.70.0100.07717.55
5.6.60.0070.05317.65
5.6.50.0130.03017.57
5.6.40.0070.08017.51
5.6.30.0030.08017.63
5.6.20.0130.06717.54
5.6.10.0070.04717.64
5.6.00.0030.05017.55
5.5.350.0170.04320.41
5.5.340.0030.04717.95
5.5.330.0070.04317.98
5.5.320.0100.07717.98
5.5.310.0100.05017.94
5.5.300.0170.03718.05
5.5.290.0070.08017.97
5.5.280.0170.03017.96
5.5.270.0130.08017.94
5.5.260.0100.07018.08
5.5.250.0130.07317.79
5.5.240.0070.05317.43
5.5.230.0100.07717.33
5.5.220.0870.06720.23
5.5.210.0870.08020.22
5.5.200.0930.07320.37
5.5.190.0070.06017.31
5.5.180.0130.07317.39
5.5.160.0070.07717.34
5.5.150.0070.05317.33
5.5.140.0130.07017.36
5.5.130.0070.08317.43
5.5.120.0100.07717.43
5.5.110.0070.06017.29
5.5.100.0030.08317.28
5.5.90.0070.08017.27
5.5.80.0070.05017.34
5.5.70.0070.04017.23
5.5.60.0070.05017.14
5.5.50.0100.07717.19
5.5.40.0130.06717.23
5.5.30.0070.07317.20
5.5.20.0070.04017.21
5.5.10.0070.04317.20
5.5.00.0100.07317.16
5.4.450.0030.05019.43
5.4.440.0070.08319.45
5.4.430.0100.07719.21
5.4.420.0130.07319.46
5.4.410.0070.06319.24
5.4.400.0100.07319.13
5.4.390.0130.07019.02
5.4.380.0030.05319.03
5.4.370.0030.04319.03
5.4.360.0000.07319.27
5.4.350.0100.07019.04
5.4.340.0100.08019.05
5.4.320.0100.06319.12
5.4.310.0070.07719.13
5.4.300.0070.08019.10
5.4.290.0070.07719.08
5.4.280.0100.07319.13
5.4.270.0070.05019.09
5.4.260.0030.09719.05
5.4.250.0170.07019.05
5.4.240.0100.07318.95
5.4.230.0070.07719.13
5.4.220.0100.07318.98
5.4.210.0200.06719.07
5.4.200.0030.06718.95
5.4.190.0070.08019.11
5.4.180.0130.06719.09
5.4.170.0070.06319.04
5.4.160.0130.07319.25
5.4.150.0070.04719.10
5.4.140.0030.07716.41
5.4.130.0100.07316.39
5.4.120.0130.04016.40
5.4.110.0130.06716.45
5.4.100.0070.07316.36
5.4.90.0070.06716.56
5.4.80.0030.05316.34
5.4.70.0030.05316.62
5.4.60.0070.07716.32
5.4.50.0100.06716.22
5.4.40.0100.06316.39
5.4.30.0070.05716.31
5.4.20.0000.08016.31
5.4.10.0100.05016.22
5.4.00.0030.06715.79
5.3.290.0070.07314.71
5.3.280.0030.08014.48
5.3.270.0070.08014.84
5.3.260.0130.07314.67
5.3.250.0100.07314.67
5.3.240.0170.06314.64
5.3.230.0070.08014.71
5.3.220.0100.03714.64
5.3.210.0030.04014.54
5.3.200.0100.07314.55
5.3.190.0130.07314.59
5.3.180.0030.05014.64
5.3.170.0100.07014.64
5.3.160.0170.06014.53
5.3.150.0130.06714.43
5.3.140.0070.06314.53
5.3.130.0000.05714.63
5.3.120.0070.04014.55
5.3.110.0100.07014.61
5.3.100.0030.08014.10
5.3.90.0070.08014.09
5.3.80.0070.05014.13
5.3.70.0100.07013.93
5.3.60.0000.05714.04
5.3.50.0170.05013.97
5.3.40.0070.03714.05
5.3.30.0100.06713.94
5.3.20.0030.04313.75
5.3.10.0030.04013.69
5.3.00.0070.05313.68
5.2.170.0030.06011.21
5.2.160.0100.04311.03
5.2.150.0030.03311.18
5.2.140.0000.04011.16
5.2.130.0070.06311.03
5.2.120.0070.05011.02
5.2.110.0070.06311.18
5.2.100.0030.06311.16
5.2.90.0030.03011.14
5.2.80.0100.06011.17
5.2.70.0030.04711.13
5.2.60.0030.04011.11
5.2.50.0100.05710.89
5.2.40.0070.06011.08
5.2.30.0130.03311.20
5.2.20.0100.06010.99
5.2.10.0070.05710.79
5.2.00.0100.03310.59
5.1.60.0100.04710.06
5.1.50.0030.03710.04
5.1.40.0030.04710.08
5.1.30.0170.04310.46
5.1.20.0000.04310.40
5.1.10.0030.04010.09
5.1.00.0070.05310.12
5.0.50.0070.0378.99
5.0.40.0000.0208.99
5.0.30.0000.0338.99
5.0.20.0000.0338.99
5.0.10.0070.0178.99
5.0.00.0000.0308.99
4.4.90.0030.0208.99
4.4.80.0000.0378.99
4.4.70.0100.0238.99
4.4.60.0000.0338.99
4.4.50.0000.0378.99
4.4.40.0100.0378.99
4.4.30.0030.0178.99
4.4.20.0000.0238.99
4.4.10.0030.0178.99
4.4.00.0030.0508.99
4.3.110.0030.0138.99
4.3.100.0000.0178.99
4.3.90.0000.0208.99
4.3.80.0000.0238.99
4.3.70.0000.0138.99
4.3.60.0030.0108.99
4.3.50.0070.0108.99
4.3.40.0000.0238.99
4.3.30.0000.0178.99
4.3.20.0000.0178.99
4.3.10.0000.0138.99
4.3.00.0000.0178.99

preferences:
43.42 ms | 401 KiB | 5 Q