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(true); $handler->messages[] = 'current session_id: ' . session_id(); exit(); 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)
8.3.60.0110.00416.88
8.3.50.0170.00321.97
8.3.40.0180.00418.79
8.3.30.0140.00319.04
8.3.20.0000.00820.18
8.3.10.0080.00320.48
8.3.00.0050.00319.38
8.2.180.0000.01517.13
8.2.170.0070.00722.96
8.2.160.0120.00620.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0080.00021.02
8.2.110.0000.00921.12
8.2.100.0040.00817.97
8.2.90.0050.00319.21
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0000.00817.93
8.2.50.0000.00918.10
8.2.40.0050.00318.16
8.2.30.0040.00419.46
8.2.20.0040.00417.91
8.2.10.0020.00518.12
8.2.00.0040.00417.76
8.1.280.0140.01025.92
8.1.270.0030.00922.23
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00621.37
8.1.230.0090.00317.95
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.34
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00818.66
8.1.160.0000.00722.04
8.1.150.0050.00319.00
8.1.140.0000.00717.53
8.1.130.0040.00417.87
8.1.120.0000.00817.35
8.1.110.0040.00417.50
8.1.100.0040.00417.45
8.1.90.0030.00517.43
8.1.80.0040.00417.45
8.1.70.0000.00717.50
8.1.60.0030.00617.61
8.1.50.0030.00717.63
8.1.40.0040.00417.45
8.1.30.0050.00317.66
8.1.20.0080.00017.70
8.1.10.0030.00517.65
8.1.00.0030.00517.58
8.0.300.0040.00818.77
8.0.290.0030.00616.75
8.0.280.0030.00318.40
8.0.270.0050.00317.35
8.0.260.0030.00317.30
8.0.250.0070.00017.06
8.0.240.0050.00216.96
8.0.230.0050.00317.06
8.0.220.0080.00017.00
8.0.210.0070.00017.02
8.0.200.0080.00017.05
8.0.190.0050.00517.02
8.0.180.0040.00416.93
8.0.170.0040.00417.04
8.0.160.0000.00816.94
8.0.150.0030.00416.87
8.0.140.0040.00416.98
8.0.130.0000.00613.41
8.0.120.0040.00416.96
8.0.110.0040.00416.91
8.0.100.0040.00417.01
8.0.90.0040.00416.82
8.0.80.0120.00416.94
8.0.70.0050.00316.87
8.0.60.0040.00416.82
8.0.50.0000.00716.98
8.0.30.0150.00617.30
8.0.20.0100.01017.40
8.0.10.0040.00417.15
8.0.00.0060.01316.78
7.4.330.0000.00515.09
7.4.320.0030.00316.54
7.4.300.0030.00316.65
7.4.290.0040.00416.65
7.4.280.0030.00616.56
7.4.270.0030.00316.60
7.4.260.0050.00316.57
7.4.250.0060.00316.41
7.4.240.0020.00516.58
7.4.230.0000.00716.66
7.4.220.0160.00616.59
7.4.210.0100.00316.68
7.4.200.0050.00216.72
7.4.160.0110.00716.74
7.4.150.0090.00917.40
7.4.140.0080.01217.86
7.4.130.0080.00916.61
7.4.120.0070.01216.64
7.4.110.0130.00316.77
7.4.100.0110.00716.55
7.4.90.0170.00316.50
7.4.80.0070.01019.39
7.4.70.0060.01516.70
7.4.60.0060.01216.56
7.4.50.0080.00016.45
7.4.40.0100.00716.31
7.4.30.0040.01116.58
7.4.10.0000.01915.07
7.4.00.0070.00715.25
7.3.330.0030.00313.43
7.3.320.0050.00013.26
7.3.310.0040.00416.32
7.3.300.0060.00016.46
7.3.290.0110.00416.48
7.3.280.0090.00816.48
7.3.270.0120.00617.40
7.3.260.0070.01116.40
7.3.250.0070.01416.45
7.3.240.0090.00916.39
7.3.230.0120.00616.67
7.3.210.0130.00616.43
7.3.200.0080.01619.39
7.3.190.0080.01316.48
7.3.180.0170.00016.60
7.3.170.0120.00416.51
7.3.160.0150.00016.45
7.3.130.0030.01614.93
7.3.120.0060.00814.80
7.3.110.0060.01315.03
7.3.100.0030.01014.96
7.3.90.0040.01214.82
7.3.80.0030.01314.70
7.3.70.0000.00915.03
7.3.60.0030.00914.88
7.3.50.0090.00614.88
7.3.40.0110.00014.95
7.3.30.0030.00914.94
7.3.20.0100.00616.38
7.3.10.0030.00616.76
7.3.00.0030.00616.41
7.2.330.0120.00616.87
7.2.320.0150.00616.78
7.2.310.0000.01716.83
7.2.300.0130.00416.79
7.2.290.0120.00316.42
7.2.260.0100.00715.30
7.2.250.0130.00615.05
7.2.240.0000.01715.29
7.2.230.0120.00315.10
7.2.220.0100.00615.16
7.2.210.0090.00615.29
7.2.200.0040.00814.82
7.2.190.0000.01415.00
7.2.180.0060.00615.18
7.2.170.0090.00615.05
7.2.160.0110.00714.81
7.2.150.0050.00817.16
7.2.140.0070.00316.84
7.2.130.0000.01116.99
7.2.120.0070.01016.95
7.2.110.0040.00416.96
7.2.100.0110.00017.02
7.2.90.0060.00917.17
7.2.80.0030.01317.06
7.2.70.0090.00617.10
7.2.60.0090.00716.96
7.2.50.0070.01016.81
7.2.40.0070.00717.03
7.2.30.0030.00616.81
7.2.20.0060.01216.91
7.2.10.0100.00316.97
7.2.00.0030.01218.08
7.1.330.0060.00915.67
7.1.320.0030.00715.78
7.1.310.0000.01615.70
7.1.300.0060.00615.55
7.1.290.0000.00815.58
7.1.280.0060.00615.57
7.1.270.0070.01015.80
7.1.260.0000.01315.81
7.1.250.0050.00515.94
7.1.240.0100.00615.78
7.1.230.0090.00015.80
7.1.220.0100.00315.71
7.1.210.0060.00915.88
7.1.200.0060.00815.70
7.1.190.0030.00915.87
7.1.180.0080.00815.54
7.1.170.0000.01615.84
7.1.160.0030.00615.95
7.1.150.0060.00315.72
7.1.140.0040.01115.88
7.1.130.0110.00415.87
7.1.120.0050.00515.90
7.1.110.0060.00315.79
7.1.100.0030.01016.95
7.1.90.0040.01115.96
7.1.80.0030.01015.95
7.1.70.0050.00416.42
7.1.60.0100.00917.75
7.1.50.0030.01416.30
7.1.40.0000.00815.72
7.1.30.0000.01215.84
7.1.20.0040.00415.92
7.1.10.0060.00615.68
7.1.00.0020.04119.08
7.0.330.0050.00515.38
7.0.320.0070.00315.58
7.0.310.0090.00015.04
7.0.300.0070.00715.21
7.0.290.0030.00615.61
7.0.280.0030.00615.20
7.0.270.0060.00615.37
7.0.260.0080.00415.19
7.0.250.0040.00715.25
7.0.240.0030.01315.48
7.0.230.0090.00615.58
7.0.220.0090.00315.31
7.0.210.0040.00715.53
7.0.200.0080.00416.05
7.0.190.0030.00915.38
7.0.180.0070.00715.49
7.0.170.0000.01015.41
7.0.160.0000.00815.21
7.0.150.0060.00615.58
7.0.140.0100.03318.86
7.0.130.0030.01215.57
7.0.120.0000.01215.25
7.0.110.0040.00715.44
7.0.100.0030.00515.50
7.0.90.0030.01015.37
7.0.80.0000.01515.45
7.0.70.0040.00715.40
7.0.60.0770.04217.55
7.0.50.0030.02416.56
7.0.40.0030.05016.69
7.0.30.0250.02516.72
7.0.20.0130.04216.72
7.0.10.0060.02316.85
7.0.00.0080.04016.79
5.6.400.0030.00614.45
5.6.390.0000.01314.43
5.6.380.0030.01114.51
5.6.370.0030.01014.66
5.6.360.0040.00814.15
5.6.350.0040.00914.16
5.6.340.0000.01314.52
5.6.330.0060.00914.50
5.6.320.0040.00714.70
5.6.310.0000.01314.74
5.6.300.0070.00714.67
5.6.290.0060.00314.75
5.6.280.0020.04217.73
5.6.270.0060.00314.66
5.6.260.0070.00314.32
5.6.250.0070.00714.58
5.6.240.0040.01114.53
5.6.230.0000.01414.42
5.6.220.0090.00014.46
5.6.210.0580.03217.49
5.6.200.0030.04316.35
5.6.190.0110.04217.59
5.6.180.0250.04017.55
5.6.170.0210.04217.57
5.6.160.0070.02317.56
5.6.150.0030.05016.29
5.6.140.0100.03716.25
5.6.130.0030.02516.34
5.6.120.0090.02317.75
5.6.110.0070.04217.69
5.6.100.0100.04217.56
5.6.90.0040.03417.84
5.6.80.0120.03717.45
5.6.70.0080.00614.43
5.6.60.0000.01214.54
5.6.50.0040.00814.12
5.6.40.0080.00414.30
5.6.30.0080.00614.52
5.6.20.0070.00714.29
5.6.10.0000.01514.25
5.6.00.0030.01014.54
5.5.380.0100.00314.49
5.5.370.0000.01114.33
5.5.360.0030.00714.49
5.5.350.0120.02717.53
5.5.340.0030.03816.33
5.5.330.0050.04817.28
5.5.320.0120.02717.36
5.5.310.0120.02217.48
5.5.300.0050.02216.10
5.5.290.0070.04416.11
5.5.280.0050.02317.61
5.5.270.0060.04617.69
5.5.260.0160.04017.61
5.5.250.0050.02717.45
5.5.240.0080.02617.32
5.5.230.0030.01014.37
5.5.220.0030.00914.30
5.5.210.0040.00414.07
5.5.200.0090.00614.33
5.5.190.0100.00314.30
5.5.180.0060.00614.50
5.5.170.0000.00914.43
5.5.160.0060.00914.55
5.5.150.0040.00414.20
5.5.140.0060.00614.45
5.5.130.0030.01014.46
5.5.120.0070.00314.32
5.5.110.0000.01014.16
5.5.100.0090.00614.13
5.5.90.0070.00314.44
5.5.80.0000.01914.23
5.5.70.0100.00614.56
5.5.60.0070.00714.45
5.5.50.0090.00314.15
5.5.40.0040.01114.53
5.5.30.0030.01114.13
5.5.20.0040.00714.30
5.5.10.0100.00714.14
5.5.00.0090.00014.29
5.4.450.0650.02815.39
5.4.440.0490.03015.16
5.4.430.0720.03515.17
5.4.420.0610.02915.35
5.4.410.0530.03015.36
5.4.400.0600.01714.93
5.4.390.0580.03515.31
5.4.380.0550.03015.08
5.4.370.0570.02815.11
5.4.360.0500.02915.18
5.4.350.0570.03015.12
5.4.340.0730.03215.23
5.4.330.0030.00611.17
5.4.320.0520.02715.11
5.4.310.0550.03215.27
5.4.300.0460.03215.26
5.4.290.0650.03815.07
5.4.280.0530.02715.03
5.4.270.0670.03315.24
5.4.260.0650.03615.08
5.4.250.0550.03015.06
5.4.240.0600.02515.02
5.4.230.0620.02315.15
5.4.220.0530.03315.22
5.4.210.0620.02915.20
5.4.200.0670.02514.96
5.4.190.0570.02715.29
5.4.180.0530.03515.11
5.4.170.0520.03015.14
5.4.160.0560.03314.88
5.4.150.0530.03115.15
5.4.140.0660.02813.82
5.4.130.0520.02513.61
5.4.120.0500.02613.68
5.4.110.0630.02813.88
5.4.100.0420.03113.78
5.4.90.0760.03313.93
5.4.80.0540.02513.72
5.4.70.0520.02913.80
5.4.60.0380.02513.74
5.4.50.0070.02913.90
5.4.40.0120.02813.89
5.4.30.0050.03113.87
5.4.20.0480.03213.86
5.4.10.0580.03013.75
5.4.00.0650.02813.56
5.3.290.0060.04012.80
5.3.280.0090.03512.71
5.3.270.0040.04512.72
5.3.260.0050.04012.72
5.3.250.0050.04012.72
5.3.240.0070.03612.72
5.3.230.0030.04112.71
5.3.220.0070.04012.68
5.3.210.0100.04612.68
5.3.200.0100.03512.68
5.3.190.0070.03712.68
5.3.180.0060.03712.67
5.3.170.0050.04012.67
5.3.160.0050.03712.67
5.3.150.0050.05212.67
5.3.140.0090.03512.66
5.3.130.0070.04012.66
5.3.120.0070.04212.66
5.3.110.0080.03912.66
5.3.100.0040.03912.14
5.3.90.0080.03412.13
5.3.80.0080.04012.12
5.3.70.0060.03612.12
5.3.60.0060.03612.10
5.3.50.0080.03412.05
5.3.40.0060.03712.05
5.3.30.0060.03712.01
5.3.20.0120.03011.79
5.3.10.0040.03711.75
5.3.00.0040.03911.74
5.2.170.0060.0359.25
5.2.160.0060.0279.25
5.2.150.0060.0309.24
5.2.140.0070.0289.24
5.2.130.0070.0289.20
5.2.120.0030.0329.20
5.2.110.0040.0319.21
5.2.100.0050.0289.20
5.2.90.0050.0299.20
5.2.80.0060.0299.20
5.2.70.0060.0419.20
5.2.60.0050.0319.15
5.2.50.0030.0329.12
5.2.40.0050.0309.09
5.2.30.0070.0289.07
5.2.20.0040.0309.07
5.2.10.0060.0308.96
5.2.00.0080.0428.84
5.1.60.0040.0268.12
5.1.50.0030.0288.11
5.1.40.0040.0248.09
5.1.30.0060.0258.44
5.1.20.0050.0268.46
5.1.10.0060.0288.19
5.1.00.0070.0348.20
5.0.50.0080.0196.66
5.0.40.0070.0246.52
5.0.30.0050.0376.34
5.0.20.0010.0246.31
5.0.10.0040.0236.29
5.0.00.0040.0316.27
4.4.90.0010.0174.78
4.4.80.0060.0144.75
4.4.70.0040.0164.75
4.4.60.0040.0144.75
4.4.50.0040.0144.77
4.4.40.0060.0224.71
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0040.0144.85
4.4.00.0030.0254.76
4.3.110.0000.0184.66
4.3.100.0030.0154.66
4.3.90.0030.0144.63
4.3.80.0040.0234.59
4.3.70.0020.0184.63
4.3.60.0040.0144.62
4.3.50.0040.0144.63
4.3.40.0040.0234.54
4.3.30.0020.0173.30
4.3.20.0030.0163.28
4.3.10.0030.0173.24
4.3.00.0070.01314.28

preferences:
40.89 ms | 401 KiB | 5 Q