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(); $handler->messages[] = 'session_id before start: ' . var_export(session_id(), true); session_set_save_handler($handler, true); $handler->messages[] = 'isset($_SESSION): ' . var_export(isset($_SESSION), true); $_SESSION['before'] = 'start'; $handler->messages[] = 'headers_sent: ' . var_export(headers_sent(), true); header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); session_start(); $handler->messages[] = 'headers_sent: ' . var_export(headers_sent(), true); $handler->messages[] = 'headers_list: ' . var_export(headers_list(), true); $_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[] = '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)
8.3.60.0140.00318.68
8.3.50.0070.01416.70
8.3.40.0040.01218.76
8.3.30.0110.00319.22
8.3.20.0080.00020.34
8.3.10.0080.00023.66
8.3.00.0080.00019.50
8.2.180.0130.00716.88
8.2.170.0070.01422.96
8.2.160.0070.01020.35
8.2.150.0050.00324.18
8.2.140.0080.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00822.06
8.2.110.0070.01022.07
8.2.100.0040.00717.63
8.2.90.0040.00419.34
8.2.80.0040.00417.97
8.2.70.0130.00017.38
8.2.60.0030.00518.05
8.2.50.0040.00418.07
8.2.40.0000.00819.85
8.2.30.0000.00718.12
8.2.20.0080.00017.80
8.2.10.0060.00318.05
8.2.00.0080.00017.86
8.1.280.0040.01425.92
8.1.270.0050.00521.78
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.97
8.1.230.0080.00320.82
8.1.220.0000.00917.79
8.1.210.0050.00318.77
8.1.200.0000.00917.35
8.1.190.0000.00917.22
8.1.180.0000.00818.10
8.1.170.0080.00018.50
8.1.160.0040.00421.98
8.1.150.0030.00518.90
8.1.140.0060.00317.51
8.1.130.0000.00717.87
8.1.120.0000.00717.54
8.1.110.0040.00417.54
8.1.100.0000.00717.53
8.1.90.0040.00417.47
8.1.80.0000.00717.44
8.1.70.0080.00017.46
8.1.60.0030.00617.64
8.1.50.0030.00517.62
8.1.40.0030.00517.57
8.1.30.0040.00417.60
8.1.20.0030.00517.64
8.1.10.0040.00417.56
8.1.00.0040.00417.41
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0050.00218.37
8.0.270.0030.00317.37
8.0.260.0030.00317.22
8.0.250.0030.00317.08
8.0.240.0000.00717.09
8.0.230.0070.00016.98
8.0.220.0000.00717.05
8.0.210.0050.00316.98
8.0.200.0060.00017.04
8.0.190.0030.00516.93
8.0.180.0000.00816.99
8.0.170.0030.00517.07
8.0.160.0000.00716.96
8.0.150.0000.00816.94
8.0.140.0040.00417.02
8.0.130.0030.00313.40
8.0.120.0040.00417.02
8.0.110.0000.00716.97
8.0.100.0000.00816.88
8.0.90.0040.00416.98
8.0.80.0130.01016.95
8.0.70.0080.00016.88
8.0.60.0000.00717.02
8.0.50.0040.00416.89
8.0.30.0120.00917.01
8.0.20.0110.01117.40
8.0.10.0000.00716.94
8.0.00.0130.00716.83
7.4.330.0030.00315.09
7.4.320.0000.00616.57
7.4.300.0000.00716.61
7.4.290.0000.00716.64
7.4.280.0050.00216.57
7.4.270.0000.00716.48
7.4.260.0030.00316.61
7.4.250.0040.00416.52
7.4.240.0040.00416.60
7.4.230.0000.00716.73
7.4.220.0060.01316.55
7.4.210.0070.01416.45
7.4.200.0020.00516.65
7.4.160.0190.00316.57
7.4.150.0090.00917.40
7.4.140.0100.00917.86
7.4.130.0130.00616.63
7.4.120.0080.01016.53
7.4.110.0130.00516.49
7.4.100.0130.01016.70
7.4.90.0040.01316.44
7.4.80.0080.01119.39
7.4.70.0170.00716.56
7.4.60.0140.00316.36
7.4.50.0030.00516.44
7.4.40.0080.00916.39
7.4.30.0150.00316.61
7.4.00.0040.00815.09
7.3.330.0050.00013.50
7.3.320.0030.00313.48
7.3.310.0070.00016.50
7.3.300.0040.00416.44
7.3.290.0070.00816.47
7.3.280.0090.01016.50
7.3.270.0160.00317.40
7.3.260.0140.00416.73
7.3.250.0100.00816.55
7.3.240.0120.00616.59
7.3.230.0100.00716.48
7.3.210.0140.01116.60
7.3.200.0080.01619.39
7.3.190.0060.01716.58
7.3.180.0140.00616.63
7.3.170.0030.01416.60
7.3.160.0070.01016.43
7.2.330.0060.01316.71
7.2.320.0090.00916.82
7.2.310.0130.01016.63
7.2.300.0120.00616.71
7.2.290.0180.00616.79
7.2.60.0060.00916.91
7.2.00.0000.01219.14
7.1.200.0090.00315.77
7.1.100.0070.01018.20
7.1.70.0000.00717.10
7.1.60.0120.00619.11
7.1.50.0040.01816.96
7.1.00.0070.07322.33
7.0.200.0040.00416.83
7.0.140.0030.07722.21
7.0.60.0170.08021.80
7.0.50.0030.04317.90
7.0.40.0100.08320.21
7.0.30.0370.07320.25
7.0.20.0300.04720.30
7.0.10.0100.08320.30
7.0.00.0100.08720.12
5.6.280.0100.07021.07
5.6.210.1170.06320.54
5.6.200.0100.08018.25
5.6.190.0130.08720.61
5.6.180.0270.03720.61
5.6.170.0300.07320.71
5.6.160.0130.04320.47
5.6.150.0100.07018.27
5.6.140.0100.07318.25
5.6.130.0000.07318.23
5.6.120.0070.07021.11
5.6.110.0070.08021.11
5.6.100.0030.08721.04
5.6.90.0070.07720.97
5.6.80.0130.07020.43
5.5.350.0200.07020.55
5.5.340.0030.05018.02
5.5.330.0070.07020.38
5.5.320.0300.07020.34
5.5.310.0330.06720.50
5.5.300.0070.04317.94
5.5.290.0070.08318.04
5.5.280.0030.06021.00
5.5.270.0070.08320.79
5.5.260.0070.08020.90
5.5.250.0170.07320.71
5.5.240.0100.03720.18
5.4.450.1330.07719.62
5.4.440.0930.08319.29
5.4.430.1200.06719.55
5.4.420.1100.07019.55
5.4.410.1500.07019.27
5.4.400.1030.05018.96
5.4.390.1130.06019.18
5.4.380.1430.07319.29
5.4.370.1070.05018.96
5.4.360.1130.07719.11
5.4.350.1200.05319.11
5.4.340.1600.05719.28
5.4.320.1230.06319.13
5.4.310.1430.06319.13
5.4.300.1030.05718.91
5.4.290.1130.06019.01
5.4.280.1170.07019.01
5.4.270.1130.07019.18
5.4.260.1800.05719.11
5.4.250.1000.06018.98
5.4.240.0700.06319.12
5.4.230.0170.05319.20
5.4.220.0200.05719.13
5.4.210.0170.06018.89
5.4.200.1170.07318.90
5.4.190.1130.05019.11
5.4.180.1100.04019.26
5.4.170.1070.05319.19
5.4.160.0970.06019.18
5.4.150.1130.07019.13
5.4.140.1530.06716.46
5.4.130.1530.04316.28
5.4.120.1600.05716.50
5.4.110.1870.05716.55
5.4.100.1830.05716.28
5.4.90.2300.05316.27
5.4.80.1370.05016.56
5.4.70.2200.05316.54
5.4.60.2070.06316.60
5.4.50.1600.05716.39
5.4.40.1730.05316.60
5.4.30.1700.06016.56
5.4.20.1770.06016.45
5.4.10.1070.05316.33
5.4.00.0830.05715.82
5.3.290.0070.03812.80
5.3.280.0030.04012.71
5.3.270.0090.04612.72
5.3.260.0080.03612.73
5.3.250.0060.03612.73
5.3.240.0070.03512.73
5.3.230.0050.04312.71
5.3.220.0090.03712.69
5.3.210.0070.03912.69
5.3.200.0050.03712.69
5.3.190.0050.03912.69
5.3.180.0040.04012.68
5.3.170.0060.03612.68
5.3.160.0060.03612.68
5.3.150.0070.03612.68
5.3.140.0070.03612.67
5.3.130.0090.04112.68
5.3.120.0070.03912.67
5.3.110.0080.03812.66
5.3.100.0080.03912.16
5.3.90.0050.04312.14
5.3.80.0050.04512.13
5.3.70.0110.04112.13
5.3.60.0050.04012.11
5.3.50.0080.04312.06
5.3.40.0060.04612.06
5.3.30.0040.03812.02
5.3.20.0060.04111.80
5.3.10.0070.04011.77
5.3.00.0020.04111.76
5.2.170.0040.0339.25
5.2.160.0040.0409.25
5.2.150.0030.0329.25
5.2.140.0030.0329.24
5.2.130.0030.0319.21
5.2.120.0060.0279.21
5.2.110.0040.0309.21
5.2.100.0040.0309.21
5.2.90.0040.0329.20
5.2.80.0070.0409.20
5.2.70.0050.0309.20
5.2.60.0040.0329.16
5.2.50.0080.0379.13
5.2.40.0050.0309.11
5.2.30.0070.0299.08
5.2.20.0030.0319.06
5.2.10.0020.0318.97
5.2.00.0050.0288.84
5.1.60.0040.0298.13
5.1.50.0080.0328.11
5.1.40.0070.0278.10
5.1.30.0030.0338.45
5.1.20.0020.0298.47
5.1.10.0030.0278.20
5.1.00.0060.0328.20
5.0.50.0030.0246.68
5.0.40.0060.0246.54
5.0.30.0040.0306.35
5.0.20.0020.0206.31
5.0.10.0030.0206.29
5.0.00.0060.0346.28
4.4.90.0030.0144.78
4.4.80.0030.0144.75
4.4.70.0020.0154.75
4.4.60.0020.0154.75
4.4.50.0020.0164.77
4.4.40.0020.0334.71
4.4.30.0030.0154.75
4.4.20.0040.0224.84
4.4.10.0020.0184.85
4.4.00.0060.0224.76
4.3.110.0050.0134.66
4.3.100.0020.0164.67
4.3.90.0030.0174.64
4.3.80.0030.0344.58
4.3.70.0040.0134.63
4.3.60.0030.0154.63
4.3.50.0030.0194.63
4.3.40.0030.0254.54
4.3.30.0020.0173.30
4.3.20.0040.0143.28
4.3.10.0020.0173.23
4.3.00.0130.0236.90

preferences:
50.24 ms | 400 KiB | 5 Q