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(); $handler->messages[] = 'session_id before start: ' . session_id(); session_set_save_handler($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(); $handler->messages[] = '$_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); $handler->messages[] = var_export($_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)
8.3.60.0160.00317.00
8.3.50.0080.00921.14
8.3.40.0100.00718.96
8.3.30.0090.00619.23
8.3.20.0050.00320.35
8.3.10.0000.00923.71
8.3.00.0080.00019.50
8.2.180.0090.00916.73
8.2.170.0070.01422.96
8.2.160.0140.00020.39
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0070.00326.16
8.2.120.0080.00022.06
8.2.110.0100.00019.20
8.2.100.0090.00317.75
8.2.90.0040.00419.21
8.2.80.0060.00317.97
8.2.70.0000.01017.63
8.2.60.0050.00318.04
8.2.50.0040.00418.07
8.2.40.0000.00920.07
8.2.30.0000.00818.25
8.2.20.0000.00817.86
8.2.10.0050.00218.11
8.2.00.0040.00417.79
8.1.280.0070.01425.92
8.1.270.0080.00022.18
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.98
8.1.230.0110.00017.48
8.1.220.0030.00617.76
8.1.210.0000.00918.77
8.1.200.0090.00017.47
8.1.190.0060.00317.23
8.1.180.0050.00318.10
8.1.170.0090.00018.57
8.1.160.0040.00421.98
8.1.150.0050.00318.93
8.1.140.0040.00417.41
8.1.130.0080.00017.88
8.1.120.0000.00717.43
8.1.110.0040.00417.34
8.1.100.0040.00417.50
8.1.90.0040.00417.40
8.1.80.0050.00317.43
8.1.70.0040.00417.39
8.1.60.0060.00317.60
8.1.50.0040.00417.62
8.1.40.0080.00017.57
8.1.30.0030.00617.59
8.1.20.0050.00317.69
8.1.10.0050.00317.48
8.1.00.0060.00317.57
8.0.300.0070.00018.77
8.0.290.0070.00017.00
8.0.280.0070.00018.42
8.0.270.0060.00317.31
8.0.260.0060.00017.31
8.0.250.0030.00317.08
8.0.240.0050.00317.06
8.0.230.0030.00517.10
8.0.220.0030.00616.90
8.0.210.0030.00316.94
8.0.200.0030.00317.09
8.0.190.0030.00617.09
8.0.180.0080.00017.02
8.0.170.0030.00516.91
8.0.160.0040.00417.01
8.0.150.0000.01116.97
8.0.140.0000.00716.96
8.0.130.0060.00013.45
8.0.120.0040.00416.88
8.0.110.0050.00317.04
8.0.100.0040.00417.12
8.0.90.0000.00816.86
8.0.80.0090.00616.98
8.0.70.0000.00816.82
8.0.60.0050.00216.85
8.0.50.0000.00816.89
8.0.30.0090.01117.18
8.0.20.0120.00717.40
8.0.10.0000.00817.16
8.0.00.0130.00617.05
7.4.330.0000.00515.00
7.4.320.0030.00316.54
7.4.300.0000.00616.56
7.4.290.0070.00016.49
7.4.280.0050.00316.45
7.4.270.0030.00316.56
7.4.260.0120.00016.65
7.4.250.0030.00616.63
7.4.240.0040.00316.61
7.4.230.0040.00416.64
7.4.220.0130.01316.62
7.4.210.0000.01416.71
7.4.200.0040.00416.45
7.4.160.0120.00616.70
7.4.150.0070.01117.40
7.4.140.0110.01217.86
7.4.130.0040.01316.68
7.4.120.0070.01116.64
7.4.110.0000.01916.57
7.4.100.0110.00716.61
7.4.90.0070.01116.46
7.4.80.0140.00519.39
7.4.70.0050.01316.61
7.4.60.0140.00716.71
7.4.50.0030.00616.59
7.4.40.0110.00616.57
7.4.30.0100.00716.69
7.4.00.0080.00814.94
7.3.330.0050.00013.46
7.3.320.0030.00313.42
7.3.310.0000.00716.34
7.3.300.0030.00316.46
7.3.290.0160.00016.48
7.3.280.0070.00916.46
7.3.270.0090.00917.40
7.3.260.0120.00616.69
7.3.250.0100.00716.50
7.3.240.0130.01316.39
7.3.230.0090.01316.39
7.3.210.0050.01216.42
7.3.200.0030.01319.39
7.3.190.0210.00316.53
7.3.180.0060.01016.46
7.3.170.0160.00316.69
7.3.160.0100.00616.64
7.2.330.0080.00816.61
7.2.320.0160.00916.77
7.2.310.0070.01516.64
7.2.300.0100.00716.80
7.2.290.0120.01216.71
7.2.60.0090.00617.07
7.2.00.0060.00919.21
7.1.200.0030.01015.76
7.1.100.0040.01118.29
7.1.70.0110.01117.21
7.1.60.0130.01319.11
7.1.50.0130.01616.50
7.1.00.0030.07722.45
7.0.200.0040.00816.94
7.0.140.0030.07022.16
7.0.60.0130.05321.84
7.0.50.0100.08317.74
7.0.40.0100.04320.14
7.0.30.0370.06020.26
7.0.20.0330.06320.10
7.0.10.0100.08020.25
7.0.00.0070.08320.05
5.6.280.0030.07321.13
5.6.210.1200.07720.72
5.6.200.0100.07018.25
5.6.190.0170.07720.61
5.6.180.0300.07020.33
5.6.170.0230.04720.44
5.6.160.0070.08320.71
5.6.150.0100.05318.16
5.6.140.0030.08318.17
5.6.130.0070.04318.17
5.6.120.0200.07320.92
5.6.110.0200.07021.11
5.6.100.0100.08020.98
5.6.90.0100.08021.15
5.6.80.0000.08020.30
5.5.350.4100.04720.45
5.5.340.0000.06717.97
5.5.330.0070.04020.57
5.5.320.0300.07320.34
5.5.310.0500.05720.27
5.5.300.0130.07717.95
5.5.290.0100.08017.92
5.5.280.0170.07320.82
5.5.270.0170.08020.89
5.5.260.0170.08020.66
5.5.250.0130.08320.68
5.5.240.0230.07320.06
5.4.450.1530.07019.46
5.4.440.1930.06019.24
5.4.430.1770.06719.55
5.4.420.1430.05319.54
5.4.410.0070.05719.11
5.4.400.0100.05718.93
5.4.390.0170.05319.13
5.4.380.0200.06019.23
5.4.370.1070.06319.23
5.4.360.0400.05019.15
5.4.350.0100.05319.16
5.4.340.0570.06019.00
5.4.320.0470.06018.91
5.4.310.2230.06719.14
5.4.300.0670.06018.91
5.4.290.1530.05319.01
5.4.280.0670.06318.99
5.4.270.0700.06018.96
5.4.260.0730.05719.13
5.4.250.1030.05718.91
5.4.240.0930.07719.22
5.4.230.1370.05318.88
5.4.220.1700.06319.13
5.4.210.1530.05019.10
5.4.200.1500.05019.22
5.4.190.1500.05719.17
5.4.180.1400.06318.92
5.4.170.0900.05718.90
5.4.160.1600.05719.11
5.4.150.1170.06719.24
5.4.140.1100.06316.54
5.4.130.1400.05316.50
5.4.120.1930.06016.27
5.4.110.1400.08016.39
5.4.100.1700.06016.48
5.4.90.2200.06316.48
5.4.80.1630.06716.41
5.4.70.1500.05716.45
5.4.60.1600.07716.46
5.4.50.1100.04316.54
5.4.40.1270.05716.34
5.4.30.1070.05016.39
5.4.20.1130.04316.50
5.4.10.1100.05016.47
5.4.00.0870.05315.75
5.3.290.0050.04112.80
5.3.280.0070.03712.71
5.3.270.0050.04012.73
5.3.260.0060.04012.72
5.3.250.0040.04412.72
5.3.240.0050.03912.72
5.3.230.0070.03712.71
5.3.220.0080.03612.69
5.3.210.0080.03912.68
5.3.200.0070.03912.68
5.3.190.0070.03912.68
5.3.180.0040.03912.68
5.3.170.0060.04112.68
5.3.160.0050.04012.68
5.3.150.0070.03812.68
5.3.140.0070.03712.67
5.3.130.0050.04612.66
5.3.120.0070.03712.66
5.3.110.0080.03612.67
5.3.100.0040.03812.16
5.3.90.0030.04012.14
5.3.80.0090.04012.13
5.3.70.0060.03912.13
5.3.60.0070.03612.11
5.3.50.0050.03912.06
5.3.40.0070.03612.06
5.3.30.0050.03612.02
5.3.20.0070.03611.80
5.3.10.0030.03811.77
5.3.00.0070.04511.75
5.2.170.0050.0319.25
5.2.160.0060.0299.25
5.2.150.0050.0359.25
5.2.140.0050.0299.25
5.2.130.0070.0299.21
5.2.120.0050.0289.20
5.2.110.0080.0299.20
5.2.100.0050.0339.21
5.2.90.0040.0359.21
5.2.80.0050.0299.20
5.2.70.0040.0319.20
5.2.60.0040.0309.15
5.2.50.0070.0279.13
5.2.40.0020.0319.09
5.2.30.0020.0339.07
5.2.20.0030.0329.06
5.2.10.0020.0318.97
5.2.00.0070.0278.84
5.1.60.0030.0258.12
5.1.50.0070.0228.12
5.1.40.0050.0248.09
5.1.30.0070.0248.44
5.1.20.0060.0308.47
5.1.10.0080.0258.20
5.1.00.0020.0318.19
5.0.50.0030.0226.67
5.0.40.0050.0186.53
5.0.30.0060.0316.34
5.0.20.0010.0226.31
5.0.10.0060.0206.29
5.0.00.0050.0306.28
4.4.90.0050.0134.78
4.4.80.0030.0154.76
4.4.70.0010.0214.76
4.4.60.0030.0224.75
4.4.50.0030.0224.77
4.4.40.0030.0294.71
4.4.30.0030.0164.76
4.4.20.0050.0164.84
4.4.10.0010.0184.85
4.4.00.0030.0254.76
4.3.110.0050.0194.67
4.3.100.0030.0154.67
4.3.90.0060.0124.63
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0020.0154.63
4.3.50.0010.0174.62
4.3.40.0040.0234.54
4.3.30.0020.0153.30
4.3.20.0010.0173.28
4.3.10.0040.0143.24
4.3.00.0070.0237.10

preferences:
45.44 ms | 401 KiB | 5 Q