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(); $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)
8.3.60.0120.00318.28
8.3.50.0070.01121.94
8.3.40.0140.00719.01
8.3.30.0060.01219.04
8.3.20.0080.00020.24
8.3.10.0000.00821.92
8.3.00.0040.00422.33
8.2.180.0120.00316.75
8.2.170.0140.00322.96
8.2.160.0090.00620.92
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0030.00519.48
8.2.110.0060.00322.04
8.2.100.0060.00618.03
8.2.90.0000.00819.34
8.2.80.0080.00017.97
8.2.70.0000.00817.50
8.2.60.0080.00017.93
8.2.50.0070.00418.07
8.2.40.0090.00018.34
8.2.30.0000.00918.24
8.2.20.0050.00317.76
8.2.10.0000.00819.47
8.2.00.0060.00317.85
8.1.280.0080.00625.92
8.1.270.0030.00623.78
8.1.260.0040.00426.35
8.1.250.0060.01228.09
8.1.240.0000.00823.91
8.1.230.0070.00419.16
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0040.00417.53
8.1.180.0050.00318.10
8.1.170.0040.00418.53
8.1.160.0000.00722.11
8.1.150.0070.00018.56
8.1.140.0040.00417.43
8.1.130.0000.00817.86
8.1.120.0000.00717.41
8.1.110.0050.00317.47
8.1.100.0000.00817.45
8.1.90.0050.00317.48
8.1.80.0080.00017.41
8.1.70.0070.00017.47
8.1.60.0040.00417.57
8.1.50.0000.00917.61
8.1.40.0030.00617.59
8.1.30.0060.00317.71
8.1.20.0000.00817.73
8.1.10.0030.00517.66
8.1.00.0080.00017.54
8.0.300.0000.00718.77
8.0.290.0000.00717.28
8.0.280.0030.00318.41
8.0.270.0030.00317.27
8.0.260.0030.00316.98
8.0.250.0070.00017.07
8.0.240.0060.00316.94
8.0.230.0000.00716.94
8.0.220.0000.00717.05
8.0.210.0020.00517.05
8.0.200.0000.00717.11
8.0.190.0000.00916.96
8.0.180.0040.00417.02
8.0.170.0040.00417.05
8.0.160.0070.00016.85
8.0.150.0040.00416.85
8.0.140.0030.00317.00
8.0.130.0030.00313.37
8.0.120.0030.00617.04
8.0.110.0000.00817.02
8.0.100.0040.00416.87
8.0.90.0050.00217.04
8.0.80.0070.01017.00
8.0.70.0050.00216.99
8.0.60.0070.00017.00
8.0.50.0000.00716.88
8.0.30.0100.01217.20
8.0.20.0140.00517.40
8.0.10.0040.00317.23
8.0.00.0080.01016.78
7.4.330.0040.00415.00
7.4.320.0030.00316.55
7.4.300.0070.00016.55
7.4.290.0000.00816.54
7.4.280.0040.00416.61
7.4.270.0030.00716.64
7.4.260.0040.00416.65
7.4.250.0050.00216.59
7.4.240.0040.00416.60
7.4.230.0070.00016.30
7.4.220.0060.00916.73
7.4.210.0090.00916.71
7.4.200.0000.00716.65
7.4.190.0070.00016.82
7.4.160.0080.00816.45
7.4.150.0100.00717.40
7.4.140.0130.00817.86
7.4.130.0100.01116.53
7.4.120.0090.01216.79
7.4.110.0090.00916.31
7.4.100.0090.00916.63
7.4.90.0030.01616.50
7.4.80.0100.01319.39
7.4.70.0040.01316.62
7.4.60.0060.01116.66
7.4.50.0030.00516.47
7.4.40.0060.00922.77
7.4.30.0080.00816.59
7.4.00.0030.00914.93
7.3.330.0040.00413.47
7.3.320.0050.00013.46
7.3.310.0030.00316.51
7.3.300.0080.00016.46
7.3.290.0090.01216.42
7.3.280.0030.01316.43
7.3.270.0100.00717.40
7.3.260.0120.01216.66
7.3.250.0080.00916.52
7.3.240.0140.00416.54
7.3.230.0100.01016.46
7.3.210.0120.00916.42
7.3.200.0090.01519.39
7.3.190.0070.01116.37
7.3.180.0060.01116.41
7.3.170.0140.00316.59
7.3.160.0000.01816.68
7.3.120.0000.01314.86
7.2.330.0120.00616.46
7.2.320.0150.00616.41
7.2.310.0100.00716.89
7.2.300.0040.01516.44
7.2.290.0100.00716.88
7.2.110.1040.00716.35
7.2.100.0170.00616.73
7.2.90.0110.00416.37
7.2.80.0110.00816.77
7.2.70.0040.01316.91
7.2.60.0220.00516.88
7.2.50.0160.00317.08
7.2.40.0110.00717.14
7.2.30.0150.00016.76
7.2.20.0140.00516.81
7.2.10.0190.00016.95
7.2.00.0100.00618.04
7.1.230.0090.00915.90
7.1.220.0090.00615.76
7.1.210.0130.00515.89
7.1.200.0070.00515.92
7.1.190.0120.00815.62
7.1.180.0150.00415.94
7.1.170.0070.00715.48
7.1.160.0150.00015.53
7.1.150.0150.00315.86
7.1.140.0240.00615.85
7.1.130.0150.00615.72
7.1.120.0110.00415.66
7.1.110.0050.01115.75
7.1.100.0050.01016.84
7.1.90.0070.01115.78
7.1.80.0120.00915.70
7.1.70.0080.00416.53
7.1.60.0110.01117.80
7.1.50.0110.01116.21
7.1.40.0070.01115.87
7.1.30.0130.00515.65
7.1.20.0100.01015.88
7.1.10.0030.01215.76
7.1.00.0070.04218.85
7.0.310.0510.00015.41
7.0.300.0050.01015.20
7.0.290.0160.00315.49
7.0.280.0200.00015.48
7.0.270.0300.00815.57
7.0.260.0160.00015.42
7.0.250.0300.00315.54
7.0.240.0060.00915.64
7.0.230.0170.00015.38
7.0.220.0330.00015.60
7.0.210.0110.00415.52
7.0.200.0090.00615.88
7.0.190.0150.00315.50
7.0.180.0110.00415.43
7.0.170.0120.00315.51
7.0.160.0140.00415.26
7.0.150.0070.00315.18
7.0.140.0060.04118.69
7.0.130.0060.00615.28
7.0.120.0180.00315.25
7.0.110.0030.01215.29
7.0.100.0140.00415.55
7.0.90.0060.00615.05
7.0.80.0100.00315.36
7.0.70.0130.00515.49
7.0.60.0800.03117.85
7.0.50.0120.03316.69
7.0.40.0040.03616.88
7.0.30.0150.03716.78
7.0.20.0190.04416.83
7.0.10.0140.03416.71
7.0.00.0100.03516.68
5.6.380.0070.00714.23
5.6.370.0000.01514.10
5.6.360.0060.00914.69
5.6.350.0090.00414.24
5.6.340.0050.00814.42
5.6.330.0050.01214.45
5.6.320.0110.00514.66
5.6.310.0070.01414.50
5.6.300.0070.00414.48
5.6.290.0080.00814.16
5.6.280.0070.04017.89
5.6.270.0090.00914.38
5.6.260.0090.00514.52
5.6.250.0150.00014.59
5.6.240.0030.01014.34
5.6.230.0060.01214.30
5.6.220.0080.00514.77
5.6.210.0690.04417.56
5.6.200.0110.04316.33
5.6.190.0120.04317.56
5.6.180.1800.02217.70
5.6.170.0210.02017.49
5.6.160.0110.04117.43
5.6.150.0100.04316.40
5.6.140.0090.02716.24
5.6.130.0030.02516.35
5.6.120.0050.02817.70
5.6.110.0110.04117.68
5.6.100.0020.04217.67
5.6.90.0090.03317.83
5.6.80.0030.04817.46
5.6.70.2010.02017.38
5.6.60.0140.00314.20
5.6.50.0090.00314.33
5.6.40.0080.00814.43
5.6.30.0090.00314.23
5.6.20.0060.01014.36
5.6.10.0040.01314.44
5.6.00.0110.00714.16
5.5.380.0120.00012.79
5.5.370.0080.00812.79
5.5.360.0090.00612.79
5.5.350.0150.02016.55
5.5.340.0070.02315.44
5.5.330.0140.03016.55
5.5.320.1610.02016.56
5.5.310.0150.02516.53
5.5.300.0000.02715.44
5.5.290.0080.02115.38
5.5.280.0070.02916.83
5.5.270.0060.03816.82
5.5.260.0090.02016.74
5.5.250.0060.02316.65
5.5.240.0160.02116.58
5.5.230.0120.00312.79
5.5.220.0040.01112.79
5.5.210.0100.00312.79
5.5.200.0110.00312.79
5.5.190.0060.00812.79
5.5.180.0030.01012.79
5.5.170.0040.00914.38
5.5.160.0090.00612.79
5.5.150.0110.00012.79
5.5.140.0040.00712.79
5.5.130.0060.00612.79
5.5.120.0080.00412.79
5.5.110.0080.00812.79
5.5.100.0100.00712.79
5.5.90.0120.00312.79
5.5.80.0080.00612.79
5.5.70.0070.00312.79
5.5.60.0100.00512.79
5.5.50.0080.00612.79
5.5.40.0150.00012.79
5.5.30.0060.00912.79
5.5.20.0080.00812.79
5.5.10.0050.00812.79
5.5.00.0070.00412.79
5.4.450.0240.03716.06
5.4.440.0130.02816.13
5.4.430.0030.03416.16
5.4.420.0080.03116.21
5.4.410.0100.03016.11
5.4.400.0130.02715.70
5.4.390.0110.02715.81
5.4.380.0120.03315.78
5.4.370.0140.02815.63
5.4.360.0030.03615.65
5.4.350.0170.02815.69
5.4.340.0160.03515.70
5.4.330.0050.00512.79
5.4.320.0060.02112.65
5.4.310.0080.02512.65
5.4.300.0040.02212.66
5.4.290.0070.02412.65
5.4.280.0020.02512.60
5.4.270.0100.02012.60
5.4.260.0040.02412.60
5.4.250.0050.02212.60
5.4.240.0060.02512.59
5.4.230.0100.01912.59
5.4.220.0070.02212.59
5.4.210.0060.02312.59
5.4.200.0080.02212.59
5.4.190.0080.01812.59
5.4.180.0050.02512.59
5.4.170.0100.02512.59
5.4.160.0090.02112.59
5.4.150.0070.02112.59
5.4.140.0060.02112.44
5.4.130.0070.02212.43
5.4.120.0050.02212.41
5.4.110.0070.02112.40
5.4.100.0060.02012.40
5.4.90.0070.02312.40
5.4.80.0050.02212.41
5.4.70.0080.01912.40
5.4.60.0090.01712.40
5.4.50.0050.02312.40
5.4.40.0070.02412.40
5.4.30.0080.02012.40
5.4.20.0090.02112.39
5.4.10.0080.01712.40
5.4.00.0080.01912.14
5.3.290.0110.02312.79
5.3.280.0080.02212.75
5.3.270.0050.02412.76
5.3.260.0090.02112.75
5.3.250.0060.02212.76
5.3.240.0060.02112.76
5.3.230.0060.02112.75
5.3.220.0070.02112.74
5.3.210.0080.02012.73
5.3.200.0090.02112.73
5.3.190.0070.02112.73
5.3.180.0050.02212.73
5.3.170.0070.02112.73
5.3.160.0090.01812.73
5.3.150.0050.02212.73
5.3.140.0110.02012.72
5.3.130.0050.02712.72
5.3.120.0070.03412.72
5.3.110.0070.02412.72
5.3.100.0060.02112.45
5.3.90.0050.02112.44
5.3.80.0110.01612.44
5.3.70.0040.02412.44
5.3.60.0080.01812.43
5.3.50.0080.02012.40
5.3.40.0060.02112.40
5.3.30.0060.02012.38
5.3.20.0080.01912.28
5.3.10.0070.02012.26
5.3.00.0100.02112.25
5.2.170.0070.01711.00
5.2.160.0040.01811.00
5.2.150.0050.01911.00
5.2.140.0020.02011.00
5.2.130.0020.02210.98
5.2.120.0060.02010.98
5.2.110.0050.01710.98
5.2.100.0070.01410.98
5.2.90.0050.01710.98
5.2.80.0070.01710.98
5.2.70.0050.01810.97
5.2.60.0020.02310.95
5.2.50.0060.01710.94
5.2.40.0050.01710.93
5.2.30.0070.01610.91
5.2.20.0070.01410.91
5.2.10.0070.01510.86
5.2.00.0060.01810.79
5.1.60.0050.01710.44
5.1.50.0020.01810.44
5.1.40.0040.01410.43
5.1.30.0080.01210.60
5.1.20.0030.01810.62
5.1.10.0080.01210.48
5.1.00.0040.01610.48
5.0.50.0030.0149.71
5.0.40.0060.0109.64
5.0.30.0040.0189.55
5.0.20.0050.0119.54
5.0.10.0050.0119.52
5.0.00.0030.0249.52
4.4.90.0000.0128.79
4.4.80.0050.0078.77
4.4.70.0020.0098.77
4.4.60.0020.0118.77
4.4.50.0030.0108.78
4.4.40.0060.0128.75
4.4.30.0040.0088.78
4.4.20.0020.0108.82
4.4.10.0040.0088.82
4.4.00.0030.0148.78
4.3.110.0040.0108.73
4.3.100.0020.0118.73
4.3.90.0040.0088.71
4.3.80.0030.0148.69
4.3.70.0030.0088.71
4.3.60.0040.0098.71
4.3.50.0050.0078.71
4.3.40.0060.0118.66
4.3.30.0010.0128.04
4.3.20.0040.0098.03
4.3.10.0010.0108.01
4.3.00.0040.0119.72

preferences:
36.27 ms | 401 KiB | 5 Q