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 ' . $maxlifetime; } public function __destruct() { var_dump($this->messages); } } $handler = new MySessionHandler(); session_set_save_handler($handler, true); session_start(); $_SESSION['foo'] = 'bar'; $handler->messages[] = session_id(); session_regenerate_id(); $handler->messages[] = session_id(); session_write_close(); session_start(); session_destroy(); $handler->messages[] = var_export($_SESSION, true); $handler->messages[] = session_id(); session_id('new'); 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)
8.3.60.0170.00318.80
8.3.50.0090.01122.10
8.3.40.0040.01118.84
8.3.30.0140.00019.08
8.3.20.0050.00319.96
8.3.10.0040.00422.17
8.3.00.0040.00422.43
8.2.180.0090.00916.88
8.2.170.0120.00622.96
8.2.160.0100.00320.57
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0140.00026.16
8.2.120.0000.00819.48
8.2.110.0060.00321.90
8.2.100.0030.01017.79
8.2.90.0080.00019.17
8.2.80.0000.00817.97
8.2.70.0090.00317.25
8.2.60.0040.00417.90
8.2.50.0040.00418.07
8.2.40.0050.00318.21
8.2.30.0040.00418.24
8.2.20.0070.00017.65
8.2.10.0030.00519.53
8.2.00.0060.00317.81
8.1.280.0110.00425.92
8.1.270.0060.00322.14
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00023.97
8.1.230.0090.00322.82
8.1.220.0030.00617.77
8.1.210.0030.00618.77
8.1.200.0000.00917.35
8.1.190.0040.00417.63
8.1.180.0000.00818.10
8.1.170.0000.00818.27
8.1.160.0000.00721.89
8.1.150.0000.00718.64
8.1.140.0040.00417.39
8.1.130.0020.00517.79
8.1.120.0040.00417.51
8.1.110.0000.00717.49
8.1.100.0030.00317.39
8.1.90.0040.00417.43
8.1.80.0040.00417.37
8.1.70.0000.00717.43
8.1.60.0060.00317.57
8.1.50.0040.00417.46
8.1.40.0080.00017.42
8.1.30.0000.00817.66
8.1.20.0040.00417.68
8.1.10.0040.00417.51
8.1.00.0040.00417.47
8.0.300.0040.00422.09
8.0.290.0080.00017.05
8.0.280.0040.00418.45
8.0.270.0000.00717.16
8.0.260.0000.00616.94
8.0.250.0000.00716.99
8.0.240.0030.00316.96
8.0.230.0000.00716.89
8.0.220.0030.00316.93
8.0.210.0040.00416.88
8.0.200.0030.00617.06
8.0.190.0000.00817.02
8.0.180.0040.00716.99
8.0.170.0040.00416.84
8.0.160.0000.00716.83
8.0.150.0030.00616.92
8.0.140.0040.00416.81
8.0.130.0000.00713.46
8.0.120.0070.00016.78
8.0.110.0040.00416.92
8.0.100.0070.00016.87
8.0.90.0060.00316.95
8.0.80.0120.00316.91
8.0.70.0000.00716.92
8.0.60.0050.00316.93
8.0.50.0040.00416.84
8.0.30.0100.01017.01
8.0.20.0110.00917.40
8.0.10.0040.00416.88
8.0.00.0080.01316.84
7.4.330.0050.00015.14
7.4.320.0000.00616.52
7.4.300.0080.00016.65
7.4.290.0050.00216.61
7.4.280.0080.00016.41
7.4.270.0000.00716.66
7.4.260.0070.00016.47
7.4.250.0030.00516.43
7.4.240.0050.00316.55
7.4.230.0070.00016.41
7.4.220.0130.00616.54
7.4.210.0100.00716.49
7.4.200.0040.00416.70
7.4.190.0030.00316.77
7.4.160.0100.00716.39
7.4.150.0070.01117.40
7.4.140.0100.00717.86
7.4.130.0100.01016.66
7.4.120.0070.01016.58
7.4.110.0120.00616.44
7.4.100.0070.01016.71
7.4.90.0030.01516.74
7.4.80.0070.01219.39
7.4.70.0100.00716.39
7.4.60.0080.00816.64
7.4.50.0000.00516.54
7.4.40.0070.00722.77
7.4.30.0030.01316.63
7.4.10.0030.01515.01
7.4.00.0070.01114.98
7.3.330.0020.00313.27
7.3.320.0030.00313.46
7.3.310.0040.00416.41
7.3.300.0070.00016.43
7.3.290.0070.00716.46
7.3.280.0090.00616.42
7.3.270.0150.00417.40
7.3.260.0100.00716.52
7.3.250.0110.01516.59
7.3.240.0130.00316.48
7.3.230.0070.01116.65
7.3.210.0170.00616.59
7.3.200.0090.00819.39
7.3.190.0090.00916.64
7.3.180.0030.01716.52
7.3.170.0100.01016.54
7.3.160.0120.01216.68
7.3.130.0180.00014.62
7.3.120.0100.00415.02
7.3.110.0000.02014.92
7.3.100.0090.00614.91
7.3.90.0070.01114.90
7.3.80.0040.01114.96
7.3.70.0060.00914.91
7.3.60.0040.01114.70
7.3.50.0110.00714.67
7.3.40.0000.01414.78
7.3.30.0040.01115.01
7.3.20.0050.00516.55
7.3.10.0040.01116.70
7.3.00.0060.00916.45
7.2.330.0030.01616.57
7.2.320.0120.01216.78
7.2.310.0060.01716.79
7.2.300.0100.00716.66
7.2.290.0070.01016.83
7.2.260.0000.02015.03
7.2.250.0100.01014.69
7.2.240.0040.01115.02
7.2.230.0040.01514.71
7.2.220.0030.01315.12
7.2.210.0000.01715.10
7.2.200.0080.00414.93
7.2.190.0070.01115.15
7.2.180.0040.00714.88
7.2.170.0000.01214.72
7.2.160.0090.00614.92
7.2.150.0060.00916.98
7.2.140.0110.00416.87
7.2.130.0000.01616.84
7.2.120.0030.00916.92
7.2.110.0060.00917.00
7.2.100.0000.01416.95
7.2.90.0070.00717.16
7.2.80.0120.00016.86
7.2.70.0120.00316.95
7.2.60.0070.00917.01
7.2.50.0060.00616.93
7.2.40.0000.01516.88
7.2.30.0060.00916.82
7.2.20.0030.01017.04
7.2.10.0040.01216.98
7.2.00.0030.01018.33
7.1.330.0070.00715.74
7.1.320.0030.01315.84
7.1.310.0150.00015.66
7.1.300.0080.00815.79
7.1.290.0060.00615.78
7.1.280.0000.01015.70
7.1.270.0060.00915.72
7.1.260.0050.00815.61
7.1.250.0100.00715.68
7.1.240.0030.00615.73
7.1.230.0000.01115.49
7.1.220.0060.01215.86
7.1.210.0070.00415.79
7.1.200.0020.01315.67
7.1.190.0090.00015.57
7.1.180.0040.01115.50
7.1.170.0070.00715.68
7.1.160.0030.01015.42
7.1.150.0030.01015.64
7.1.140.0030.00715.68
7.1.130.0080.00415.79
7.1.120.0080.00515.67
7.1.110.0130.00315.68
7.1.100.0060.01016.77
7.1.90.0070.01015.67
7.1.80.0030.00915.67
7.1.70.0080.00416.43
7.1.60.0060.01317.76
7.1.50.0050.01416.31
7.1.40.0040.00815.68
7.1.30.0000.01315.85
7.1.20.0090.00615.43
7.1.10.0000.01615.63
7.1.00.0030.04319.03
7.0.330.0000.01715.06
7.0.320.0070.00715.41
7.0.310.0100.00015.34
7.0.300.0000.01315.43
7.0.290.0120.00015.44
7.0.280.0070.00315.31
7.0.270.0030.01015.46
7.0.260.0030.01215.50
7.0.250.0040.01115.49
7.0.240.0090.00915.54
7.0.230.0050.00915.35
7.0.220.0030.01215.57
7.0.210.0030.01315.53
7.0.200.0010.00715.97
7.0.190.0000.00815.30
7.0.180.0050.00515.47
7.0.170.0070.00415.17
7.0.160.0040.01115.16
7.0.150.0000.01315.31
7.0.140.0100.03618.66
7.0.130.0110.00315.40
7.0.120.0040.01115.43
7.0.110.0070.00715.42
7.0.100.0040.01115.42
7.0.90.0060.00615.38
7.0.80.0000.01215.13
7.0.70.0070.00715.36
7.0.60.0730.03717.71
7.0.50.0070.02016.60
7.0.40.0080.04716.81
7.0.30.0200.03316.81
7.0.20.0190.03216.81
7.0.10.0200.03116.70
7.0.00.0020.03516.89
5.6.400.0080.00814.46
5.6.390.0060.01014.20
5.6.380.0030.00614.37
5.6.370.0070.00714.67
5.6.360.0060.00614.06
5.6.350.0000.01414.45
5.6.340.0000.01014.32
5.6.330.0000.00814.33
5.6.320.0030.01614.54
5.6.310.0000.01314.40
5.6.300.0070.00714.20
5.6.290.0030.01314.33
5.6.280.0060.03817.61
5.6.270.0130.00314.12
5.6.260.0040.01214.52
5.6.250.0110.00414.79
5.6.240.0000.01214.34
5.6.230.0070.01014.30
5.6.220.0060.00914.41
5.6.210.0060.02617.53
5.6.200.0080.04616.29
5.6.190.0070.02617.40
5.6.180.2180.02217.75
5.6.170.0120.03217.36
5.6.160.0050.04717.50
5.6.150.0080.02216.34
5.6.140.0100.03216.24
5.6.130.0080.02716.23
5.6.120.0080.02517.81
5.6.110.0100.04517.81
5.6.100.0020.04617.76
5.6.90.0020.02917.58
5.6.80.0060.02117.41
5.6.70.0150.03217.48
5.6.60.0090.00614.31
5.6.50.0060.00914.13
5.6.40.0100.00314.05
5.6.30.0070.01014.40
5.6.20.0040.01214.27
5.6.10.0040.01114.60
5.6.00.0120.00314.35
5.5.380.0050.00514.35
5.5.370.0090.00614.14
5.5.360.0030.01014.55
5.5.350.0070.01817.48
5.5.340.0000.03616.10
5.5.330.0060.02417.20
5.5.320.0150.04317.25
5.5.310.0160.03317.41
5.5.300.0120.04016.31
5.5.290.0090.03416.19
5.5.280.0030.05017.55
5.5.270.0080.04017.73
5.5.260.0120.03017.51
5.5.250.0090.04517.36
5.5.240.0050.04017.15
5.5.230.0100.00714.51
5.5.220.0080.00314.29
5.5.210.0070.00414.10
5.5.200.0040.01114.07
5.5.190.0000.01314.32
5.5.180.0070.00414.11
5.5.170.0100.00314.11
5.5.160.0060.01014.41
5.5.150.0030.01314.11
5.5.140.0120.00314.33
5.5.130.0060.01014.11
5.5.120.0070.00714.06
5.5.110.0030.01514.38
5.5.100.0060.00914.04
5.5.90.0040.01114.36
5.5.80.0130.00314.53
5.5.70.0000.01414.27
5.5.60.0080.00614.34
5.5.50.0060.00914.10
5.5.40.0080.00814.42
5.5.30.0000.00914.41
5.5.20.0100.00714.48
5.5.10.0100.00714.11
5.5.00.0070.00714.46
5.4.450.0370.03215.35
5.4.440.0310.03315.31
5.4.430.0030.03515.38
5.4.420.0070.04215.44
5.4.410.0050.03015.33
5.4.400.0690.00214.82
5.4.390.0750.00514.98
5.4.380.0120.03414.88
5.4.370.0090.03014.96
5.4.360.0120.02814.87
5.4.350.0130.02714.90
5.4.340.0150.02414.96
5.4.330.0060.00011.11
5.4.320.0060.02112.03
5.4.310.0040.02311.86
5.4.300.0050.02011.79
5.4.290.0020.02411.89
5.4.280.0100.02411.76
5.4.270.0060.02311.77
5.4.260.0070.02111.76
5.4.250.0040.02711.80
5.4.240.0030.02211.65
5.4.230.0030.02411.56
5.4.220.0060.01811.79
5.4.210.0070.02111.82
5.4.200.0050.02211.90
5.4.190.0100.01611.65
5.4.180.0050.02311.67
5.4.170.0020.02411.66
5.4.160.0060.02311.72
5.4.150.0070.02111.78
5.4.140.0080.02011.45
5.4.130.0040.02111.64
5.4.120.0050.02111.55
5.4.110.0040.02611.62
5.4.100.0040.02211.75
5.4.90.0060.02011.49
5.4.80.0040.02211.68
5.4.70.0020.02411.48
5.4.60.0050.02011.52
5.4.50.0020.02211.59
5.4.40.0050.02311.65
5.4.30.0050.02211.54
5.4.20.0060.02311.72
5.4.10.0050.02211.57
5.4.00.0040.02411.41
5.3.290.0040.02311.68
5.3.280.0060.02111.47
5.3.270.0070.02911.40
5.3.260.0040.03111.54
5.3.250.0070.02811.57
5.3.240.0050.02911.52
5.3.230.0050.02411.36
5.3.220.0020.02611.45
5.3.210.0090.02011.48
5.3.200.0050.02011.35
5.3.190.0090.01911.43
5.3.180.0050.02211.45
5.3.170.0040.02211.49
5.3.160.0090.01911.41
5.3.150.0070.02111.50
5.3.140.0080.02711.50
5.3.130.0070.02211.43
5.3.120.0050.02411.49
5.3.110.0050.02411.52
5.3.100.0080.02011.25
5.3.90.0040.02211.27
5.3.80.0040.02411.17
5.3.70.0090.01611.09
5.3.60.0040.02511.14
5.3.50.0050.02211.04
5.3.40.0050.02411.16
5.3.30.0040.02411.10
5.3.20.0060.02110.87
5.3.10.0040.02210.93
5.3.00.0050.02310.91
5.2.170.0040.0329.21
5.2.160.0040.0319.20
5.2.150.0050.0319.20
5.2.140.0060.0309.20
5.2.130.0040.0309.16
5.2.120.0050.0369.16
5.2.110.0060.0309.17
5.2.100.0050.0299.17
5.2.90.0020.0339.16
5.2.80.0020.0339.16
5.2.70.0070.0289.16
5.2.60.0020.0379.11
5.2.50.0060.0299.09
5.2.40.0060.0279.06
5.2.30.0030.0339.04
5.2.20.0070.0269.03
5.2.10.0060.0278.93
5.2.00.0080.0288.80
5.1.60.0030.0258.08
5.1.50.0070.0228.08
5.1.40.0040.0318.06
5.1.30.0070.0278.41
5.1.20.0060.0258.43
5.1.10.0040.0278.16
5.1.00.0030.0278.16
5.0.50.0040.0276.63
5.0.40.0040.0206.49
5.0.30.0020.0396.30
5.0.20.0010.0236.27
5.0.10.0040.0206.25
5.0.00.0050.0366.24
4.4.90.0020.0214.78
4.4.80.0020.0184.76
4.4.70.0020.0164.75
4.4.60.0040.0144.76
4.4.50.0010.0184.77
4.4.40.0030.0254.71
4.4.30.0040.0144.76
4.4.20.0030.0154.84
4.4.10.0030.0184.85
4.4.00.0060.0234.76
4.3.110.0050.0134.67
4.3.100.0050.0134.66
4.3.90.0020.0164.64
4.3.80.0040.0234.58
4.3.70.0070.0114.63
4.3.60.0030.0154.63
4.3.50.0040.0144.63
4.3.40.0050.0224.54
4.3.30.0020.0163.28
4.3.20.0020.0163.26
4.3.10.0030.0143.23
4.3.00.0100.0206.34

preferences:
44.37 ms | 401 KiB | 5 Q