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(); $handler->messages[] = 'session_status(): ' . session_status(); $handler->messages[] = 'session_id before start: ' . var_export(session_id(), true); session_set_save_handler($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_regenerate_id(true); $handler->messages[] = '$_SESSION after close: ' . var_export($_SESSION, true); $handler->messages[] = 'session_id after close: ' . session_id(); session_start(); session_destroy(); $handler->messages[] = '$_SESSION after destroy: ' . 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)
8.3.60.0070.01116.75
8.3.50.0150.00721.08
8.3.40.0090.00618.85
8.3.30.0070.00719.04
8.3.20.0040.00420.39
8.3.10.0000.00823.48
8.3.00.0060.00319.26
8.2.180.0090.00916.75
8.2.170.0060.01222.96
8.2.160.0100.01020.39
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00422.23
8.2.110.0030.00621.01
8.2.100.0110.00017.97
8.2.90.0040.00417.91
8.2.80.0030.00619.13
8.2.70.0030.00617.63
8.2.60.0070.00317.63
8.2.50.0090.00017.63
8.2.40.0040.00419.36
8.2.30.0000.00718.28
8.2.20.0040.00417.72
8.2.10.0020.00518.16
8.2.00.0000.00817.70
8.1.280.0120.00625.92
8.1.270.0030.00622.10
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.00322.06
8.1.230.0090.00320.87
8.1.220.0090.00017.74
8.1.210.0100.00018.77
8.1.200.0100.00017.35
8.1.190.0060.00317.23
8.1.180.0030.00519.44
8.1.170.0040.00418.50
8.1.160.0000.00722.07
8.1.150.0000.00718.92
8.1.140.0000.00717.37
8.1.130.0030.00317.74
8.1.120.0000.00817.49
8.1.110.0020.00517.55
8.1.100.0000.00717.52
8.1.90.0050.00317.33
8.1.80.0000.00717.52
8.1.70.0000.00717.38
8.1.60.0080.00017.63
8.1.50.0080.00017.57
8.1.40.0040.00417.44
8.1.30.0060.00317.63
8.1.20.0040.00417.71
8.1.10.0040.00417.54
8.1.00.0040.00817.46
8.0.300.0060.00320.29
8.0.290.0040.00416.75
8.0.280.0000.00718.55
8.0.270.0060.00317.36
8.0.260.0080.00017.31
8.0.250.0000.00716.98
8.0.240.0000.00817.04
8.0.230.0030.00317.05
8.0.220.0100.00016.94
8.0.210.0070.00016.86
8.0.200.0000.00716.95
8.0.190.0050.00516.93
8.0.180.0000.00816.92
8.0.170.0080.00017.00
8.0.160.0040.00317.09
8.0.150.0050.00316.89
8.0.140.0040.00416.98
8.0.130.0030.00313.42
8.0.120.0040.00417.00
8.0.110.0060.00316.83
8.0.100.0080.00017.06
8.0.90.0040.00417.02
8.0.80.0110.00416.95
8.0.70.0000.00716.87
8.0.60.0040.00416.97
8.0.50.0040.00417.00
8.0.30.0110.01017.10
8.0.20.0090.01417.40
8.0.10.0030.00617.12
8.0.00.0090.00916.70
7.4.330.0050.00015.00
7.4.320.0000.00716.66
7.4.300.0030.00316.54
7.4.290.0000.00716.55
7.4.280.0030.00616.65
7.4.270.0040.00416.57
7.4.260.0080.00016.53
7.4.250.0080.00016.61
7.4.240.0020.00516.63
7.4.230.0000.00716.55
7.4.220.0100.01316.57
7.4.210.0110.00316.72
7.4.200.0030.00516.54
7.4.160.0110.00916.64
7.4.150.0030.01517.40
7.4.140.0110.01117.86
7.4.130.0130.00816.60
7.4.120.0130.00616.57
7.4.110.0100.01116.47
7.4.100.0130.00516.65
7.4.90.0170.00016.55
7.4.80.0090.00919.39
7.4.70.0100.00716.62
7.4.60.0100.00716.62
7.4.50.0030.00616.46
7.4.40.0100.00716.33
7.4.30.0090.00916.64
7.4.00.0000.01615.05
7.3.330.0030.00313.33
7.3.320.0060.00313.35
7.3.310.0000.00816.44
7.3.300.0070.00016.50
7.3.290.0120.00316.46
7.3.280.0070.01116.51
7.3.270.0060.01917.40
7.3.260.0030.01516.53
7.3.250.0080.01016.57
7.3.240.0150.00416.34
7.3.230.0000.02216.52
7.3.210.0030.01416.60
7.3.200.0100.00719.39
7.3.190.0120.01216.41
7.3.180.0060.01016.63
7.3.170.0100.00716.70
7.3.160.0060.00916.50
7.3.00.0090.00316.82
7.2.330.0060.01216.58
7.2.320.0190.00316.84
7.2.310.0100.01016.91
7.2.300.0130.00316.85
7.2.290.0100.01316.71
7.2.130.0080.00416.91
7.2.120.0040.01416.79
7.2.110.0000.01016.91
7.2.100.0000.01516.89
7.2.90.0030.01017.10
7.2.80.0000.01017.09
7.2.70.0090.00317.04
7.2.60.0020.01316.88
7.2.50.0090.00616.67
7.2.40.0060.00616.80
7.2.30.0040.01117.06
7.2.20.0000.01017.01
7.2.10.0070.00717.05
7.2.00.0040.00918.35
7.1.250.0030.00615.58
7.1.240.0070.00715.64
7.1.230.0000.01415.91
7.1.220.0060.00615.86
7.1.210.0000.01315.59
7.1.200.0090.00615.86
7.1.190.0060.00615.87
7.1.180.0040.00815.59
7.1.170.0090.00315.80
7.1.160.0060.00315.72
7.1.150.0120.00315.94
7.1.140.0110.00415.86
7.1.130.0000.01415.83
7.1.120.0030.00615.62
7.1.110.0070.00715.91
7.1.100.0080.00517.00
7.1.90.0000.01415.78
7.1.80.0030.01315.95
7.1.70.0050.00816.43
7.1.60.0070.01217.37
7.1.50.0110.00916.27
7.1.40.0030.01015.87
7.1.30.0040.00415.67
7.1.20.0070.00715.42
7.1.10.0030.01415.48
7.1.00.0050.04319.12
7.0.330.0020.00515.39
7.0.320.0030.00715.37
7.0.310.0080.00415.20
7.0.300.0070.00415.27
7.0.290.0040.00715.37
7.0.280.0000.01315.27
7.0.270.0070.00315.29
7.0.260.0090.00615.36
7.0.250.0030.01015.48
7.0.240.0090.00615.50
7.0.230.0000.01315.36
7.0.220.0070.00715.11
7.0.210.0040.01115.45
7.0.200.0440.00615.18
7.0.190.0110.00315.32
7.0.180.0060.00615.27
7.0.170.0030.00615.42
7.0.160.0040.00415.40
7.0.150.0060.01015.33
7.0.140.0030.04218.64
7.0.130.0000.01215.30
7.0.120.0040.01115.39
7.0.110.0090.00615.18
7.0.100.0000.01415.30
7.0.90.0030.01315.48
7.0.80.0100.00615.47
7.0.70.0070.00715.35
7.0.60.0140.03218.57
7.0.50.0090.02216.62
7.0.40.0080.03816.88
7.0.30.0260.04016.89
7.0.20.0100.04216.82
7.0.10.0030.02516.70
7.0.00.0080.02316.88
5.6.380.0070.01014.25
5.6.370.0070.00714.42
5.6.360.0130.00014.61
5.6.350.0030.00914.17
5.6.340.0130.00314.33
5.6.330.0030.01314.38
5.6.320.0110.00414.42
5.6.310.0030.01014.14
5.6.300.0040.01114.23
5.6.290.0040.00714.53
5.6.280.0050.04217.89
5.6.270.0060.01214.41
5.6.260.0100.00314.39
5.6.250.0030.01014.66
5.6.240.0030.01014.46
5.6.230.0000.01314.46
5.6.220.0070.01114.41
5.6.210.0950.03417.37
5.6.200.0100.04316.27
5.6.190.0020.03317.38
5.6.180.0170.03017.39
5.6.170.0880.02817.61
5.6.160.0070.02717.45
5.6.150.0050.02516.27
5.6.140.0100.04216.28
5.6.130.0050.02716.34
5.6.120.0050.02517.66
5.6.110.0070.04517.79
5.6.100.0120.03917.84
5.6.90.0120.03417.56
5.6.80.0130.03017.55
5.6.70.0040.00814.27
5.6.60.0030.01014.43
5.6.50.0100.00314.34
5.6.40.0090.00414.47
5.6.30.0060.00914.39
5.6.20.0140.00314.35
5.6.10.0040.01114.30
5.6.00.0030.01014.24
5.5.380.0050.00511.23
5.5.370.0030.00611.23
5.5.360.0000.00911.59
5.5.350.0140.03515.78
5.5.340.0030.03914.69
5.5.330.0070.04215.93
5.5.320.0130.02415.80
5.5.310.0170.04015.92
5.5.300.0100.04314.79
5.5.290.0050.02514.73
5.5.280.0130.04016.23
5.5.270.0100.04316.12
5.5.260.0030.04916.15
5.5.250.0030.02916.00
5.5.240.0100.03515.80
5.5.230.0040.00711.18
5.5.220.0070.00411.23
5.5.210.0000.00911.35
5.5.200.0040.00711.26
5.5.190.0000.01211.36
5.5.180.0040.00411.27
5.5.170.0070.00311.18
5.5.160.0040.00711.18
5.5.150.0080.00811.18
5.5.140.0070.00711.25
5.5.130.0000.00811.18
5.5.120.0000.00811.18
5.5.110.0070.00711.18
5.5.100.0070.00711.22
5.5.90.0040.00711.18
5.5.80.0030.00911.18
5.5.70.0030.00511.21
5.5.60.0000.00911.18
5.5.50.0000.00811.18
5.5.40.0030.00711.18
5.5.30.0040.00811.40
5.5.20.0060.00311.18
5.5.10.0090.00311.33
5.5.00.0090.00311.18
5.4.450.0170.02815.29
5.4.440.0170.03715.31
5.4.430.0130.03415.28
5.4.420.0080.03315.39
5.4.410.0070.03315.30
5.4.400.0110.04015.10
5.4.390.0120.03715.15
5.4.380.0120.03515.23
5.4.370.0090.02915.02
5.4.360.0150.03215.06
5.4.350.0070.04615.06
5.4.340.0070.03215.08
5.4.330.0040.00711.18
5.4.320.0130.03015.12
5.4.310.0050.04415.02
5.4.300.0100.03015.15
5.4.290.0110.03115.06
5.4.280.0070.04615.06
5.4.270.0130.03315.14
5.4.260.0050.04415.08
5.4.250.0110.03115.13
5.4.240.0170.03415.07
5.4.230.0470.02515.09
5.4.220.0580.03315.17
5.4.210.0550.03015.11
5.4.200.0420.02015.12
5.4.190.0380.03515.16
5.4.180.0420.03715.06
5.4.170.0420.03115.12
5.4.160.0600.03315.13
5.4.150.0440.03315.14
5.4.140.0570.03513.81
5.4.130.0320.04013.80
5.4.120.0170.03713.88
5.4.110.0140.02713.88
5.4.100.0120.02813.84
5.4.90.0100.03013.82
5.4.80.0170.02813.74
5.4.70.0160.04013.85
5.4.60.0130.03613.79
5.4.50.0080.02813.82
5.4.40.0100.03013.83
5.4.30.0120.02313.94
5.4.20.0080.04013.81
5.4.10.0130.03113.90
5.4.00.0120.03613.56
5.3.290.0080.02211.99
5.3.280.0080.02211.94
5.3.270.0050.02211.95
5.3.260.0050.02111.95
5.3.250.0020.02411.95
5.3.240.0060.02111.95
5.3.230.0030.02411.94
5.3.220.0060.02311.93
5.3.210.0060.02511.93
5.3.200.0070.01911.93
5.3.190.0080.01911.93
5.3.180.0040.02111.93
5.3.170.0060.02011.93
5.3.160.0040.02211.93
5.3.150.0050.02111.93
5.3.140.0040.01911.92
5.3.130.0060.02311.92
5.3.120.0070.02211.92
5.3.110.0050.02111.92
5.3.100.0050.01911.66
5.3.90.0080.01811.66
5.3.80.0040.02111.65
5.3.70.0040.02111.65
5.3.60.0050.01811.64
5.3.50.0030.02111.62
5.3.40.0060.01811.62
5.3.30.0040.01911.60
5.3.20.0050.02111.49
5.3.10.0020.02311.47
5.3.00.0050.02311.46
5.2.170.0060.01910.21
5.2.160.0010.01910.21
5.2.150.0040.01810.21
5.2.140.0050.01710.21
5.2.130.0030.02110.19
5.2.120.0070.02210.19
5.2.110.0020.01610.19
5.2.100.0080.01310.19
5.2.90.0040.01710.19
5.2.80.0020.01910.19
5.2.70.0030.01810.19
5.2.60.0040.01610.17
5.2.50.0040.01810.15
5.2.40.0060.01410.14
5.2.30.0040.01610.13
5.2.20.0000.01910.12
5.2.10.0020.01810.07
5.2.00.0030.01710.01
5.1.60.0050.0139.65
5.1.50.0010.0179.65
5.1.40.0040.0149.63
5.1.30.0030.0159.81
5.1.20.0040.0169.82
5.1.10.0030.0149.69
5.1.00.0020.0169.69
5.0.50.0020.0148.92
5.0.40.0040.0108.85
5.0.30.0060.0208.76
5.0.20.0020.0158.74
5.0.10.0020.0128.73
5.0.00.0020.0188.73
4.4.90.0030.0097.98
4.4.80.0030.0097.96
4.4.70.0020.0107.96
4.4.60.0030.0127.96
4.4.50.0020.0107.97
4.4.40.0020.0177.94
4.4.30.0020.0107.97
4.4.20.0030.0098.01
4.4.10.0020.0138.01
4.4.00.0040.0137.97
4.3.110.0020.0097.92
4.3.100.0020.0117.92
4.3.90.0040.0087.90
4.3.80.0010.0197.88
4.3.70.0050.0097.90
4.3.60.0010.0097.90
4.3.50.0030.0097.90
4.3.40.0030.0157.86
4.3.30.0030.0137.24
4.3.20.0030.0137.23
4.3.10.0040.0097.21
4.3.00.0000.0169.56

preferences:
41.92 ms | 401 KiB | 5 Q