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); 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)
8.3.40.0150.00018.91
8.3.30.0140.00019.17
8.3.20.0070.00020.16
8.3.10.0040.00423.73
8.3.00.0040.00419.51
8.2.170.0110.00722.96
8.2.160.0120.00919.08
8.2.150.0080.00024.18
8.2.140.0090.00324.66
8.2.130.0080.00026.16
8.2.120.0050.00321.90
8.2.110.0090.00022.21
8.2.100.0080.00317.75
8.2.90.0040.00419.23
8.2.80.0050.00317.97
8.2.70.0040.00717.63
8.2.60.0040.00418.03
8.2.50.0030.00618.07
8.2.40.0040.00420.07
8.2.30.0050.00218.30
8.2.20.0000.00817.70
8.2.10.0040.00418.08
8.2.00.0040.00417.75
8.1.270.0000.00822.20
8.1.260.0030.00526.35
8.1.250.0090.00028.09
8.1.240.0060.00323.92
8.1.230.0110.00019.16
8.1.220.0060.00317.78
8.1.210.0000.00918.77
8.1.200.0050.00517.25
8.1.190.0090.00017.35
8.1.180.0000.00818.10
8.1.170.0080.00418.57
8.1.160.0040.00422.05
8.1.150.0000.00719.00
8.1.140.0050.00317.42
8.1.130.0040.00417.87
8.1.120.0040.00417.49
8.1.110.0040.00417.49
8.1.100.0070.00017.57
8.1.90.0040.00417.45
8.1.80.0040.00417.38
8.1.70.0050.00217.36
8.1.60.0060.00317.52
8.1.50.0080.00017.39
8.1.40.0040.00417.44
8.1.30.0040.00417.76
8.1.20.0000.00817.60
8.1.10.0000.00817.63
8.1.00.0030.00617.46
8.0.300.0080.00018.77
8.0.290.0050.00216.88
8.0.280.0030.00318.56
8.0.270.0030.00317.25
8.0.260.0070.00017.30
8.0.250.0070.00017.07
8.0.240.0000.00717.09
8.0.230.0030.00317.05
8.0.220.0070.00016.99
8.0.210.0090.00017.01
8.0.200.0040.00417.09
8.0.190.0050.00217.09
8.0.180.0040.00417.05
8.0.170.0000.00717.01
8.0.160.0040.00417.02
8.0.150.0000.00716.96
8.0.140.0040.00416.98
8.0.130.0000.00613.50
8.0.120.0040.00417.05
8.0.110.0040.00417.02
8.0.100.0000.00716.88
8.0.90.0000.00716.99
8.0.80.0060.01217.03
8.0.70.0040.00416.86
8.0.60.0040.00416.86
8.0.50.0040.00416.99
8.0.30.0090.00917.05
8.0.20.0090.01117.41
8.0.10.0000.00717.07
8.0.00.0130.00916.71
7.4.330.0020.00215.02
7.4.320.0060.00016.65
7.4.300.0030.00316.50
7.4.290.0000.00716.67
7.4.280.0050.00316.50
7.4.270.0030.00316.70
7.4.260.0000.00716.64
7.4.250.0070.00016.53
7.4.240.0050.00216.55
7.4.230.0070.00016.74
7.4.220.0250.01016.50
7.4.210.0080.00716.70
7.4.200.0000.00816.68
7.4.160.0140.00316.71
7.4.150.0100.01017.40
7.4.140.0080.01117.86
7.4.130.0120.00716.62
7.4.120.0120.00816.68
7.4.110.0030.01416.59
7.4.100.0100.01016.77
7.4.90.0060.01216.53
7.4.80.0070.01019.39
7.4.70.0090.00916.66
7.4.60.0100.00716.72
7.4.50.0000.00816.68
7.4.40.0130.00316.40
7.4.30.0060.01216.54
7.4.00.0050.01115.01
7.3.330.0030.00313.55
7.3.320.0060.00013.31
7.3.310.0000.00716.34
7.3.300.0000.00716.35
7.3.290.0080.00816.42
7.3.280.0090.00916.50
7.3.270.0100.01017.40
7.3.260.0170.00016.50
7.3.250.0110.00716.45
7.3.240.0060.01316.56
7.3.230.0090.00916.44
7.3.210.0090.00916.52
7.3.200.0040.00619.39
7.3.190.0130.00616.43
7.3.180.0100.00716.49
7.3.170.0040.01416.62
7.3.160.0110.00516.40
7.3.120.0090.00914.97
7.3.110.0110.00715.06
7.3.100.0110.00414.70
7.3.90.0080.00815.18
7.3.80.0000.01115.13
7.3.70.0070.00714.69
7.3.60.0060.00914.59
7.3.50.0090.00614.90
7.3.40.0060.00614.90
7.3.30.0000.01514.70
7.3.20.0030.01416.58
7.3.10.0040.01116.45
7.3.00.0090.00716.49
7.2.330.0090.01116.41
7.2.320.0060.01216.57
7.2.310.0100.00716.59
7.2.300.0080.01016.78
7.2.290.0100.01016.48
7.2.250.0100.01014.73
7.2.240.0030.01715.23
7.2.230.0060.00915.01
7.2.220.0030.01415.16
7.2.210.0030.01015.14
7.2.200.0070.00415.18
7.2.190.0090.00615.07
7.2.180.0090.00914.98
7.2.170.0070.00715.13
7.2.130.0030.00916.78
7.2.120.0100.00316.88
7.2.110.0120.00616.68
7.2.100.0090.00616.71
7.2.90.0080.01216.74
7.2.80.0030.01017.07
7.2.70.0070.00716.74
7.2.60.0090.00816.83
7.2.50.0110.01016.88
7.2.40.0060.00917.08
7.2.30.0130.00917.03
7.2.20.0100.00317.06
7.2.10.0100.01316.77
7.2.00.0030.01317.88
7.1.330.0100.00315.71
7.1.320.0130.00715.50
7.1.310.0080.00815.67
7.1.300.0030.01215.81
7.1.290.0100.00315.72
7.1.280.0060.00615.88
7.1.270.0040.01115.68
7.1.260.0000.01315.79
7.1.250.0030.01015.36
7.1.200.0080.00315.61
7.1.100.0030.01418.09
7.1.70.0070.01017.25
7.1.60.0090.00619.11
7.1.50.0070.00716.95
7.1.00.0070.07322.54
7.0.200.0130.00316.66
7.0.140.0000.08021.95
7.0.60.0230.06021.78
7.0.50.0100.08017.98
7.0.40.0100.07020.11
7.0.30.0200.04020.17
7.0.20.0370.05320.33
7.0.10.0130.04720.09
7.0.00.0100.04720.33
5.6.280.0000.07321.18
5.6.210.0630.06320.60
5.6.200.0130.07718.14
5.6.190.0100.03720.63
5.6.180.0300.06020.57
5.6.170.0330.04020.46
5.6.160.0030.04320.73
5.6.150.0100.03318.19
5.6.140.0070.07718.20
5.6.130.0100.04318.18
5.6.120.0100.03721.13
5.6.110.0030.04721.00
5.6.100.0230.06721.01
5.6.90.0130.05321.13
5.6.80.0070.03720.53
5.5.350.0100.06320.45
5.5.340.0000.07018.05
5.5.330.0070.03720.21
5.5.320.0400.04320.28
5.5.310.0300.06720.25
5.5.300.0100.06317.94
5.5.290.0070.03717.98
5.5.280.0030.09020.92
5.5.270.0070.04720.75
5.5.260.0100.08020.96
5.5.250.0130.07720.64
5.5.240.0270.07720.29
5.4.450.0930.05719.59
5.4.440.1170.06719.34
5.4.430.1000.05319.46
5.4.420.1200.05319.60
5.4.410.1170.04719.39
5.4.400.1370.04319.11
5.4.390.1100.06719.14
5.4.380.1000.05319.01
5.4.370.1170.05319.01
5.4.360.1230.07319.28
5.4.350.1230.04319.18
5.4.340.0900.06019.23
5.4.320.1130.05318.96
5.4.310.0930.05018.91
5.4.300.1170.04719.01
5.4.290.1170.06318.96
5.4.280.0970.05718.91
5.4.270.1070.05719.27
5.4.260.1130.07319.11
5.4.250.1300.07719.01
5.4.240.1270.05019.00
5.4.230.1230.06019.17
5.4.220.1000.05018.96
5.4.210.1070.05719.25
5.4.200.1000.06019.27
5.4.190.0930.05319.27
5.4.180.1000.07319.13
5.4.170.0530.07019.13
5.4.160.1370.06019.14
5.4.150.0970.07719.20
5.4.140.0930.05716.39
5.4.130.1300.05716.51
5.4.120.1000.06316.51
5.4.110.1200.06016.54
5.4.100.1430.04716.37
5.4.90.1030.04316.38
5.4.80.1100.05316.36
5.4.70.0970.05316.45
5.4.60.1030.05016.53
5.4.50.1230.06316.33
5.4.40.1170.04716.39
5.4.30.0930.05016.50
5.4.20.1170.04316.55
5.4.10.1170.04716.38
5.4.00.1070.04315.80
5.3.290.0020.04312.80
5.3.280.0060.03612.71
5.3.270.0070.04112.72
5.3.260.0070.04612.72
5.3.250.0070.03912.72
5.3.240.0060.04412.73
5.3.230.0070.03712.71
5.3.220.0080.04612.69
5.3.210.0070.04312.69
5.3.200.0090.03512.68
5.3.190.0070.03912.69
5.3.180.0060.03712.68
5.3.170.0040.04112.69
5.3.160.0080.03912.68
5.3.150.0060.04012.68
5.3.140.0050.03812.67
5.3.130.0040.04012.66
5.3.120.0040.04012.66
5.3.110.0120.03212.67
5.3.100.0070.03512.15
5.3.90.0030.03912.14
5.3.80.0030.03912.13
5.3.70.0050.03612.13
5.3.60.0050.04112.11
5.3.50.0070.03912.06
5.3.40.0060.03812.06
5.3.30.0030.03912.02
5.3.20.0090.03311.80
5.3.10.0050.03511.77
5.3.00.0070.03511.76
5.2.170.0050.0299.25
5.2.160.0050.0299.25
5.2.150.0030.0339.25
5.2.140.0040.0349.25
5.2.130.0050.0329.21
5.2.120.0030.0309.21
5.2.110.0050.0319.22
5.2.100.0080.0319.20
5.2.90.0060.0279.21
5.2.80.0030.0319.20
5.2.70.0040.0309.20
5.2.60.0050.0299.16
5.2.50.0110.0309.13
5.2.40.0050.0299.11
5.2.30.0040.0349.08
5.2.20.0070.0299.06
5.2.10.0040.0298.98
5.2.00.0040.0298.84
5.1.60.0030.0258.12
5.1.50.0050.0248.12
5.1.40.0020.0268.10
5.1.30.0060.0248.45
5.1.20.0040.0278.47
5.1.10.0080.0228.20
5.1.00.0020.0278.20
5.0.50.0030.0216.68
5.0.40.0030.0196.54
5.0.30.0000.0416.35
5.0.20.0040.0206.31
5.0.10.0050.0186.29
5.0.00.0030.0316.29
4.4.90.0040.0134.78
4.4.80.0010.0194.76
4.4.70.0060.0124.75
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0020.0264.71
4.4.30.0000.0184.76
4.4.20.0020.0194.85
4.4.10.0060.0184.84
4.4.00.0050.0294.76
4.3.110.0070.0264.67
4.3.100.0040.0204.66
4.3.90.0040.0194.63
4.3.80.0040.0254.59
4.3.70.0030.0164.63
4.3.60.0030.0204.63
4.3.50.0030.0164.63
4.3.40.0050.0304.54
4.3.30.0030.0163.30
4.3.20.0010.0173.28
4.3.10.0030.0153.23
4.3.00.0030.0336.90

preferences:
49.13 ms | 400 KiB | 5 Q