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); } } $handler = new MySessionHandler(); session_set_save_handler($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(); try { session_write_close(); } catch (\Exception $e) { } 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)
8.3.60.0120.00616.88
8.3.50.0120.00817.39
8.3.40.0100.01018.83
8.3.30.0070.00718.83
8.3.20.0040.00418.86
8.3.10.0060.00318.78
8.3.00.0040.00419.50
8.2.180.0130.00716.63
8.2.170.0070.00722.96
8.2.160.0120.00321.20
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.97
8.2.110.0090.00021.00
8.2.100.0040.00817.78
8.2.90.0030.00619.44
8.2.80.0030.00619.27
8.2.70.0080.00017.63
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0050.01018.21
8.2.30.0090.00018.22
8.2.20.0040.00417.83
8.2.10.0070.00017.60
8.2.00.0000.00717.84
8.1.280.0070.01125.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0100.00722.43
8.1.230.0110.00021.06
8.1.220.0000.00817.74
8.1.210.0000.00919.03
8.1.200.0040.00717.23
8.1.190.0030.00617.63
8.1.180.0040.00418.10
8.1.170.0080.00018.89
8.1.160.0040.00418.93
8.1.150.0000.00818.65
8.1.140.0030.00617.56
8.1.130.0030.00319.11
8.1.120.0000.00817.43
8.1.110.0030.00517.49
8.1.100.0020.00517.50
8.1.90.0040.00417.49
8.1.80.0070.00017.45
8.1.70.0030.00317.50
8.1.60.0060.00317.51
8.1.50.0040.00417.40
8.1.40.0090.00017.59
8.1.30.0030.00617.64
8.1.20.0000.00917.53
8.1.10.0000.00717.59
8.1.00.0090.00017.57
8.0.300.0040.00420.17
8.0.290.0040.00416.88
8.0.280.0070.00018.37
8.0.270.0000.00717.32
8.0.260.0000.00816.93
8.0.250.0040.00417.08
8.0.240.0000.00816.97
8.0.230.0080.00017.03
8.0.220.0030.00317.02
8.0.210.0060.00317.00
8.0.200.0040.00417.02
8.0.190.0070.00016.96
8.0.180.0000.00816.93
8.0.170.0100.00016.91
8.0.160.0000.00716.96
8.0.150.0030.00517.00
8.0.140.0030.00516.85
8.0.130.0000.00513.47
8.0.120.0040.00416.86
8.0.110.0040.00416.95
8.0.100.0040.00417.02
8.0.90.0000.00817.06
8.0.80.0030.01216.98
8.0.70.0040.00416.83
8.0.60.0020.00517.01
8.0.50.0030.00616.99
8.0.30.0150.00417.11
8.0.20.0050.01317.38
8.0.10.0070.00017.02
8.0.00.0070.01016.92
7.4.330.0000.00513.15
7.4.320.0000.00616.46
7.4.300.0000.00616.57
7.4.290.0090.00016.50
7.4.280.0000.00816.64
7.4.270.0000.00716.60
7.4.260.0030.00313.31
7.4.250.0030.00616.52
7.4.240.0050.00216.50
7.4.230.0070.00016.40
7.4.220.0100.01016.68
7.4.210.0070.00816.66
7.4.200.0030.00316.43
7.4.190.0000.00816.82
7.4.160.0100.00616.54
7.4.150.0160.00316.54
7.4.140.0130.01016.60
7.4.130.0090.00916.67
7.4.120.0080.00916.58
7.4.110.0040.01616.37
7.4.100.0120.00616.80
7.4.90.0070.01716.75
7.4.80.0030.01319.39
7.4.70.0070.01316.49
7.4.60.0130.00316.38
7.4.50.0040.00416.58
7.4.40.0120.00616.57
7.4.30.0040.01416.63
7.4.00.0080.00814.96
7.3.330.0040.00413.32
7.3.320.0030.00313.32
7.3.310.0030.00316.35
7.3.300.0030.00316.41
7.3.290.0090.01116.50
7.3.280.0060.01316.39
7.3.270.0100.00716.51
7.3.260.0030.01416.63
7.3.250.0050.01416.60
7.3.240.0170.00716.61
7.3.230.0120.00816.52
7.3.210.0090.00916.64
7.3.200.0070.01016.51
7.3.190.0060.01116.46
7.3.180.0040.01216.63
7.3.170.0050.01016.55
7.3.160.0090.01216.51
7.3.120.0070.00914.78
7.3.110.0070.01115.02
7.3.100.0000.01514.92
7.3.90.0030.00614.91
7.3.80.0030.00714.64
7.3.70.0120.00014.92
7.3.60.0030.01314.96
7.3.50.0100.00714.93
7.3.40.0050.00814.66
7.3.30.0040.01114.80
7.3.20.0120.00316.70
7.3.10.0060.00616.55
7.3.00.0060.00616.83
7.2.330.0100.01316.64
7.2.320.0090.00916.89
7.2.310.0050.01416.70
7.2.300.0060.01216.65
7.2.290.0120.00616.91
7.2.250.0030.01714.67
7.2.240.0070.01415.29
7.2.230.0030.01415.01
7.2.220.0030.00914.96
7.2.210.0000.01215.20
7.2.200.0030.01015.18
7.2.190.0030.01015.10
7.2.180.0040.00715.09
7.2.170.0120.00315.00
7.2.60.0070.01016.98
7.2.00.0000.01219.48
7.1.330.0030.01315.50
7.1.320.0070.00415.98
7.1.310.0100.00315.73
7.1.300.0030.00715.88
7.1.290.0030.00915.53
7.1.280.0060.00915.77
7.1.270.0060.01215.83
7.1.260.0080.00415.86
7.1.200.0070.00715.96
7.1.100.0030.01318.17
7.1.70.0030.01217.21
7.1.60.0150.00919.40
7.1.50.0140.01016.70
7.1.00.0000.07022.45
7.0.200.0070.00016.43
7.0.140.0030.07321.94
7.0.120.0000.03322.07
7.0.60.0570.05320.19
7.0.50.0030.06017.92
7.0.40.0070.06717.82
7.0.30.0070.08017.85
7.0.20.0070.08717.75
7.0.10.0100.08017.83
7.0.00.0030.07717.78
5.6.280.0000.07720.91
5.6.210.0670.06720.61
5.6.200.0200.07318.18
5.6.190.0000.07318.29
5.6.180.0070.04018.15
5.6.170.0130.07318.21
5.6.160.0100.05718.18
5.6.150.0030.04318.15
5.6.140.0030.08718.18
5.6.130.0070.07018.28
5.6.120.0170.07718.13
5.6.110.0070.06718.15
5.6.100.0030.09018.17
5.6.90.0070.08318.14
5.6.80.0030.05717.54
5.6.70.0100.03317.66
5.6.60.0100.06717.64
5.6.50.0130.05317.63
5.6.40.0070.08017.54
5.6.30.0070.03717.59
5.6.20.0070.04017.54
5.6.10.0030.04717.56
5.6.00.0100.07317.63
5.5.350.0170.06320.36
5.5.340.0000.06017.99
5.5.330.0070.07717.97
5.5.320.0130.07318.04
5.5.310.0100.05017.95
5.5.300.0030.08717.99
5.5.290.0100.08317.97
5.5.280.0000.04717.98
5.5.270.0070.06018.06
5.5.260.0030.08318.01
5.5.250.0070.04717.85
5.5.240.0030.04317.43
5.5.230.0030.04317.39
5.5.210.1000.07020.18
5.5.200.1200.05020.13
5.5.190.0070.07317.40
5.5.180.0130.05717.30
5.5.160.0130.07317.40
5.5.150.0030.07017.35
5.5.140.0070.07317.43
5.5.130.0100.04317.33
5.5.120.0030.07717.29
5.5.110.0070.07717.30
5.5.100.0030.07717.27
5.5.90.0100.06317.23
5.5.80.0100.06317.20
5.5.70.0070.05017.25
5.5.60.0070.07317.32
5.5.50.0000.06717.20
5.5.40.0000.06717.22
5.5.30.0100.06317.32
5.5.20.0030.07317.22
5.5.10.0070.05717.29
5.5.00.0070.04317.32
5.4.450.0070.07719.43
5.4.440.0130.05319.47
5.4.430.0000.09019.42
5.4.420.0100.06319.28
5.4.410.0100.07719.21
5.4.400.0000.04319.05
5.4.390.0070.05319.22
5.4.380.0070.05019.01
5.4.370.0100.07319.01
5.4.360.0130.05718.89
5.4.350.0070.04719.15
5.4.340.0030.06719.02
5.4.320.0030.05319.03
5.4.310.0000.05018.89
5.4.300.0100.07719.03
5.4.290.0070.07319.01
5.4.280.0000.08319.14
5.4.270.0070.07319.06
5.4.260.0070.04019.00
5.4.250.0030.07319.26
5.4.240.0100.07319.08
5.4.230.0000.06019.09
5.4.220.0070.08019.09
5.4.210.0100.05019.05
5.4.200.0000.07319.13
5.4.190.0030.08019.08
5.4.180.0030.08319.04
5.4.170.0070.07319.00
5.4.160.0000.04718.96
5.4.150.0200.06719.08
5.4.140.0030.05316.39
5.4.130.0000.07716.30
5.4.120.0030.07316.30
5.4.110.0030.03716.59
5.4.100.0100.07016.44
5.4.90.0130.07016.48
5.4.80.0100.07016.39
5.4.70.0070.04016.48
5.4.60.0130.05716.22
5.4.50.0070.06716.46
5.4.40.0030.07716.45
5.4.30.0070.07316.31
5.4.20.0030.04316.32
5.4.10.0100.07316.56
5.4.00.0070.05715.75
5.3.290.0000.04314.79
5.3.280.0030.06014.63
5.3.270.0070.04014.73
5.3.260.0100.07014.57
5.3.250.0030.07014.66
5.3.240.0070.07014.63
5.3.230.0030.04314.46
5.3.220.0070.06314.44
5.3.210.0070.07314.61
5.3.200.0100.07314.63
5.3.190.0000.07014.62
5.3.180.0130.07014.65
5.3.170.0070.06714.64
5.3.160.0030.07014.61
5.3.150.0000.07014.61
5.3.140.0030.06014.63
5.3.130.0130.06714.52
5.3.120.0030.05714.53
5.3.110.0130.07314.55
5.3.100.0030.07714.27
5.3.90.0070.07014.07
5.3.80.0100.07014.13
5.3.70.0100.07014.07
5.3.60.0100.06314.07
5.3.50.0000.08313.95
5.3.40.0030.07713.99
5.3.30.0130.06313.83
5.3.20.0170.05313.70
5.3.10.0100.06713.69
5.3.00.0130.04313.70
5.2.170.0070.06011.23
5.2.160.0070.06011.06
5.2.150.0030.04011.13
5.2.140.0100.06011.21
5.2.130.0000.06711.02
5.2.120.0000.04011.16
5.2.110.0070.06011.02
5.2.100.0100.06011.02
5.2.90.0070.03311.18
5.2.80.0030.06311.14
5.2.70.0070.06010.96
5.2.60.0070.04711.08
5.2.50.0130.05311.10
5.2.40.0000.03311.06
5.2.30.0030.03011.00
5.2.20.0070.02710.95
5.2.10.0000.03310.90
5.2.00.0030.02710.75
5.1.60.0030.02310.10
5.1.50.0030.02710.00
5.1.40.0030.02310.00
5.1.30.0000.03010.36
5.1.20.0000.02710.45
5.1.10.0000.02710.02
5.1.00.0000.02710.08
5.0.50.0070.0138.48
5.0.40.0000.0208.64
5.0.30.0000.0308.20
5.0.20.0000.0208.25
5.0.10.0000.0208.17
5.0.00.0000.0308.26
4.4.90.0000.0377.84
4.4.80.0000.0277.84
4.4.70.0000.0177.84
4.4.60.0000.0277.84
4.4.50.0070.0177.84
4.4.40.0000.0237.84
4.4.30.0030.0137.84
4.4.20.0000.0177.84
4.4.10.0000.0177.84
4.4.00.0000.0237.84
4.3.110.0030.0277.84
4.3.100.0000.0137.84
4.3.90.0000.0137.84
4.3.80.0000.0237.84
4.3.70.0000.0177.84
4.3.60.0000.0137.84
4.3.50.0000.0177.84
4.3.40.0000.0237.84
4.3.30.0000.0137.84
4.3.20.0000.0207.84
4.3.10.0000.0137.84
4.3.00.0000.0137.84

preferences:
40.79 ms | 401 KiB | 5 Q