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 . ': ' . $data; return false; } public function destroy($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)
8.3.60.0120.00918.40
8.3.50.0080.01122.11
8.3.40.0090.00618.88
8.3.30.0040.01118.82
8.3.20.0050.00318.86
8.3.10.0030.00521.21
8.3.00.0060.00319.77
8.2.180.0090.00918.54
8.2.170.0150.00022.96
8.2.160.0120.00920.47
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00526.16
8.2.120.0040.00421.00
8.2.110.0060.00320.52
8.2.100.0070.00417.84
8.2.90.0080.00018.03
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00418.04
8.2.50.0000.01018.07
8.2.40.0080.00019.94
8.2.30.0060.00318.17
8.2.20.0050.00317.64
8.2.10.0040.00417.79
8.2.00.0100.00017.85
8.1.280.0120.00925.92
8.1.270.0040.00423.99
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0070.00320.81
8.1.230.0080.00422.12
8.1.220.0000.00817.79
8.1.210.0000.00818.84
8.1.200.0030.00617.38
8.1.190.0080.00017.35
8.1.180.0030.00618.10
8.1.170.0040.00418.48
8.1.160.0000.00718.98
8.1.150.0000.00818.64
8.1.140.0040.00417.51
8.1.130.0050.00217.83
8.1.120.0000.00717.44
8.1.110.0020.00517.38
8.1.100.0040.00417.52
8.1.90.0040.00417.41
8.1.80.0040.00417.43
8.1.70.0000.00717.40
8.1.60.0040.00817.63
8.1.50.0050.00217.45
8.1.40.0030.00617.46
8.1.30.0000.00817.71
8.1.20.0000.00817.74
8.1.10.0040.00417.62
8.1.00.0000.00817.59
8.0.300.0000.00720.02
8.0.290.0160.00016.58
8.0.280.0030.00318.50
8.0.270.0030.00317.27
8.0.260.0030.00316.93
8.0.250.0090.00017.05
8.0.240.0080.00017.08
8.0.230.0020.00517.11
8.0.220.0040.00417.00
8.0.210.0080.00017.04
8.0.200.0050.00317.04
8.0.190.0070.00017.08
8.0.180.0070.00017.05
8.0.170.0080.00016.94
8.0.160.0040.00417.06
8.0.150.0000.00716.94
8.0.140.0040.00416.98
8.0.130.0000.00713.34
8.0.120.0000.01116.87
8.0.110.0040.00416.79
8.0.100.0040.00417.04
8.0.90.0070.00016.94
8.0.80.0110.00417.00
8.0.70.0070.00016.89
8.0.60.0040.00417.11
8.0.50.0040.00416.91
8.0.30.0110.00817.21
8.0.20.0090.01117.40
8.0.10.0080.00017.14
8.0.00.0120.00616.95
7.4.330.0000.00516.77
7.4.320.0000.00616.56
7.4.300.0030.00316.44
7.4.290.0040.00416.56
7.4.280.0070.00016.55
7.4.270.0000.00716.57
7.4.260.0030.00313.31
7.4.250.0000.00816.51
7.4.240.0000.00716.40
7.4.230.0030.00316.52
7.4.220.0190.00016.49
7.4.210.0090.00816.54
7.4.200.0030.00316.62
7.4.190.0040.00416.72
7.4.160.0100.00816.59
7.4.150.0110.00817.40
7.4.140.0110.00817.86
7.4.130.0120.00616.66
7.4.120.0100.00816.50
7.4.110.0110.00816.49
7.4.100.0090.01316.65
7.4.90.0180.00616.47
7.4.80.0120.00619.39
7.4.70.0130.01016.55
7.4.60.0060.00916.57
7.4.50.0060.00316.66
7.4.40.0030.00922.77
7.4.30.0090.00916.67
7.4.00.0060.01115.09
7.3.330.0000.00613.44
7.3.320.0030.00313.31
7.3.310.0000.00816.31
7.3.300.0060.00016.45
7.3.290.0040.01116.55
7.3.280.0120.00716.44
7.3.270.0180.00717.40
7.3.260.0110.01118.24
7.3.250.0180.00516.50
7.3.240.0090.00916.50
7.3.230.0110.00516.46
7.3.210.0050.01216.55
7.3.200.0070.01419.39
7.3.190.0120.01116.60
7.3.180.0000.02016.38
7.3.170.0030.01216.61
7.3.160.0070.01016.43
7.3.120.0120.00514.69
7.3.110.0070.01115.05
7.3.100.0030.01014.57
7.3.90.0100.00314.92
7.3.80.0030.01214.82
7.3.70.0090.00614.89
7.3.60.0000.01614.80
7.3.50.0090.00915.00
7.3.40.0030.00614.65
7.3.30.0090.00614.91
7.3.20.0030.01316.79
7.3.10.0100.00416.57
7.3.00.0060.00816.82
7.2.330.0070.01016.43
7.2.320.0050.01416.59
7.2.310.0110.00816.35
7.2.300.0130.01316.70
7.2.290.0130.00416.70
7.2.250.0100.01015.12
7.2.240.0100.01015.14
7.2.230.0110.00014.82
7.2.220.0090.00614.89
7.2.210.0070.01015.20
7.2.200.0030.01014.86
7.2.190.0000.01814.99
7.2.180.0060.00915.13
7.2.170.0050.00515.19
7.2.130.0060.00616.92
7.2.120.0090.00016.77
7.2.110.0030.00616.72
7.2.100.0040.01116.52
7.2.90.0040.00716.53
7.2.80.0070.00716.12
7.2.70.0060.00916.24
7.2.60.0080.00816.58
7.2.50.0080.00816.79
7.2.40.0090.00316.81
7.2.30.0060.00616.49
7.2.20.0070.01016.75
7.2.10.0030.01016.79
7.2.00.0050.00818.01
7.1.330.0120.00615.63
7.1.320.0060.00615.93
7.1.310.0060.00915.66
7.1.300.0090.00915.89
7.1.290.0070.01016.02
7.1.280.0030.01015.66
7.1.270.0000.01515.86
7.1.260.0120.00315.56
7.1.250.0080.00415.59
7.1.200.0080.00015.83
7.1.100.0000.01418.16
7.1.70.0110.00517.05
7.1.60.0060.01117.28
7.1.50.0100.00516.67
7.1.40.0000.01516.34
7.1.30.0040.01316.62
7.1.20.0040.01216.71
7.1.10.0000.01016.59
7.1.00.0000.00916.71
7.0.200.0040.00816.52
7.0.190.0080.00416.68
7.0.180.0060.00616.57
7.0.170.0080.00316.32
7.0.160.0140.00016.35
7.0.150.0040.00716.41
7.0.140.0050.00516.20
7.0.130.0050.00716.38
7.0.120.0050.00716.44
7.0.110.0050.00516.55
7.0.100.0000.01116.23
7.0.90.0050.00516.33
7.0.80.0030.00716.39
7.0.70.0000.01016.33
7.0.60.0030.00616.29
7.0.50.0000.01016.29
7.0.40.0000.00915.09
7.0.30.0040.00415.09
7.0.20.0000.01015.09
7.0.10.0070.00715.09
7.0.00.0030.00715.09
5.6.300.0000.05020.58
5.6.290.0140.03720.90
5.6.280.0060.03820.88
5.6.270.0130.07220.87
5.6.260.0120.03620.91
5.6.250.0060.04220.75
5.6.240.0030.05820.96
5.6.230.0110.03620.84
5.6.220.0030.04820.85
5.6.210.0030.07721.02
5.6.200.0000.05620.83
5.6.190.0000.05020.93
5.6.180.0100.05520.80
5.6.170.0060.03921.02
5.6.160.0000.04620.93
5.6.150.0060.08221.03
5.6.140.0070.05020.95
5.6.130.0030.04920.92
5.6.120.0030.04320.86
5.6.110.0030.04820.95
5.6.100.0070.04721.04
5.6.90.0130.05020.81
5.6.80.0070.03620.32
5.6.70.0030.04020.12
5.6.60.0000.04220.33
5.6.50.0070.04420.41
5.6.40.0000.05020.35
5.6.30.0060.04220.41
5.6.20.0030.04020.34
5.6.10.0040.04220.31
5.6.00.0030.04520.17
5.5.380.0040.05317.48
5.5.370.0030.04217.54
5.5.360.0030.04417.52
5.5.350.0070.04017.40
5.5.340.0100.08018.09
5.5.330.0030.04018.09
5.5.320.0060.03818.00
5.5.310.0030.04018.09
5.5.300.0030.04618.00
5.5.290.0070.04518.08
5.5.280.0030.04018.12
5.5.270.0030.05118.05
5.5.260.0070.05118.09
5.5.250.0000.06517.64
5.5.240.0000.06417.45
5.5.230.0130.02917.10
5.5.220.0060.04817.41
5.5.210.0000.04417.40
5.5.200.0000.04317.41
5.5.190.0000.04217.38
5.5.180.0060.04517.43
5.5.160.0030.04017.21
5.5.150.0030.04217.43
5.5.140.0030.03617.38
5.5.130.0000.04217.37
5.5.120.0000.04317.37
5.5.110.0030.03717.18
5.5.100.0000.04517.08
5.5.90.0030.04317.34
5.5.80.0030.03517.25
5.5.70.0060.03917.07
5.5.60.0060.03617.11
5.5.50.0030.04317.29
5.5.40.0030.04117.34
5.5.30.0030.06817.24
5.5.20.0000.03917.24
5.5.10.0100.03817.30
5.5.00.0000.04517.33
5.4.450.0000.04719.39
5.4.440.0060.03819.17
5.4.430.0070.03619.30
5.4.420.0100.03919.18
5.4.410.0070.04619.33
5.4.400.0100.07619.06
5.4.390.0000.04419.01
5.4.380.0030.03718.88
5.4.370.0070.03418.98
5.4.360.0070.04619.09
5.4.350.0030.04818.88
5.4.340.0030.07019.19
5.4.320.0000.04219.10
5.4.310.0060.03519.02
5.4.300.0030.05118.88
5.4.290.0070.06218.96
5.4.280.0070.03419.02
5.4.270.0040.04318.98
5.4.260.0030.03719.09
5.4.250.0160.04319.12
5.4.240.0030.04018.85
5.4.230.0030.03919.07
5.4.220.0030.04619.19
5.4.210.0000.04219.05
5.4.200.0070.03318.92
5.4.190.0030.04018.94
5.4.180.0000.04618.85
5.4.170.0070.03419.06
5.4.160.0030.03719.11
5.4.150.0070.03619.08
5.4.140.0000.04016.72
5.4.130.0000.03916.77
5.4.120.0030.03716.59
5.4.110.0070.03716.73
5.4.100.0030.04316.66
5.4.90.0200.04416.69
5.4.80.0030.03416.68
5.4.70.0030.03916.75
5.4.60.0300.03716.61
5.4.50.0030.03516.57
5.4.40.0300.02316.68
5.4.30.0030.03316.64
5.4.20.0030.04116.65
5.4.10.0030.04016.76
5.4.00.0030.03716.21
5.3.290.0100.03715.09
5.3.280.0030.03815.09
5.3.270.0070.03715.09
5.3.260.0170.04015.09
5.3.250.0060.03515.09
5.3.240.0000.03815.09
5.3.230.0000.04315.09
5.3.220.0070.03515.09
5.3.210.0000.04015.09
5.3.200.0000.04915.09
5.3.190.0070.03215.09
5.3.180.0000.04415.09
5.3.170.0060.03615.09
5.3.160.0100.03315.09
5.3.150.0000.03915.09
5.3.140.0030.04215.09
5.3.130.0030.04115.09
5.3.120.0030.04115.09
5.3.110.0030.03815.09
5.3.100.0030.03515.09
5.3.90.0000.04115.09
5.3.80.0040.03515.09
5.3.70.0000.04115.09
5.3.60.0170.03515.09
5.3.50.0030.04015.09
5.3.40.0030.03715.09
5.3.30.0030.03915.09
5.3.20.0060.03415.09
5.3.10.0000.03915.09
5.3.00.0030.04315.09
5.2.170.0030.04815.09
5.2.160.0000.03215.09
5.2.150.0000.03315.09
5.2.140.0070.03915.09
5.2.130.0040.02615.09
5.2.120.0030.03115.09
5.2.110.0030.02815.09
5.2.100.0000.03315.09
5.2.90.0030.03415.09
5.2.80.0100.03415.09
5.2.70.0140.02815.09
5.2.60.0030.05715.09
5.2.50.0000.03315.09
5.2.40.0030.02915.09
5.2.30.0000.04315.09
5.2.20.0000.03215.09
5.2.10.0000.03315.09
5.2.00.0030.02615.09
5.1.60.0000.02515.09
5.1.50.0000.02615.09
5.1.40.0030.02915.09
5.1.30.0000.03015.09
5.1.20.0030.02415.09
5.1.10.0000.05215.09
5.1.00.0000.05215.09
5.0.50.0070.02415.09
5.0.40.0030.03615.09
5.0.30.0070.02615.09
5.0.20.0000.02315.09
5.0.10.0000.02115.09
5.0.00.0030.03415.09
4.4.90.0060.00915.09
4.4.80.0030.01915.09
4.4.70.0030.01515.09
4.4.60.0000.01715.09
4.4.50.0000.01615.09
4.4.40.0070.02615.09
4.4.30.0030.01515.09
4.4.20.0000.02515.09
4.4.10.0090.01815.09
4.4.00.0000.02515.09
4.3.110.0040.01515.09
4.3.100.0070.02015.09
4.3.90.0000.03015.09
4.3.80.0040.02815.09
4.3.70.0000.02215.09
4.3.60.0000.01715.09
4.3.50.0030.01315.09
4.3.40.0030.03415.09
4.3.30.0030.03615.09
4.3.20.0070.01715.09
4.3.10.0000.02515.09
4.3.00.0030.02415.09

preferences:
78.72 ms | 401 KiB | 5 Q