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(); session_destroy(); session_destroy(); 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)
8.3.60.0150.00618.68
8.3.50.0130.00622.18
8.3.40.0120.00918.82
8.3.30.0070.01119.01
8.3.20.0040.00420.33
8.3.10.0000.00822.15
8.3.00.0050.00322.52
8.2.180.0080.00816.63
8.2.170.0120.00322.96
8.2.160.0160.00020.89
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0100.00717.63
8.2.110.0060.00321.92
8.2.100.0080.00419.70
8.2.90.0040.00419.22
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0030.00618.04
8.2.50.0040.00418.07
8.2.40.0070.00318.26
8.2.30.0040.00418.15
8.2.20.0030.00617.66
8.2.10.0040.00417.72
8.2.00.0040.00417.66
8.1.280.0150.00325.92
8.1.270.0030.00622.07
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.94
8.1.230.0100.00019.21
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0100.00017.35
8.1.190.0040.00417.64
8.1.180.0000.00818.10
8.1.170.0000.00818.48
8.1.160.0040.00422.01
8.1.150.0000.00718.68
8.1.140.0040.00417.39
8.1.130.0000.00817.74
8.1.120.0000.00717.46
8.1.110.0040.00417.38
8.1.100.0070.00017.48
8.1.90.0070.00017.49
8.1.80.0050.00317.49
8.1.70.0040.00417.50
8.1.60.0070.00317.63
8.1.50.0080.00017.56
8.1.40.0040.00417.46
8.1.30.0000.00817.66
8.1.20.0030.00517.54
8.1.10.0000.00817.64
8.1.00.0050.00317.47
8.0.300.0040.00418.77
8.0.290.0000.00817.18
8.0.280.0030.00318.38
8.0.270.0030.00317.16
8.0.260.0030.00316.82
8.0.250.0070.00017.10
8.0.240.0070.00017.08
8.0.230.0000.00817.04
8.0.220.0020.00516.95
8.0.210.0070.00016.91
8.0.200.0000.00717.04
8.0.190.0000.00917.05
8.0.180.0040.00417.07
8.0.170.0040.00416.90
8.0.160.0040.00417.05
8.0.150.0000.00716.86
8.0.140.0050.00316.94
8.0.130.0060.00013.36
8.0.120.0030.00517.00
8.0.110.0040.00416.97
8.0.100.0040.00416.95
8.0.90.0040.00416.99
8.0.80.0110.01117.04
8.0.70.0080.00016.77
8.0.60.0070.00017.02
8.0.50.0000.00817.02
8.0.30.0150.00517.21
8.0.20.0090.01017.40
8.0.10.0000.00717.05
8.0.00.0140.00816.75
7.4.330.0000.00615.14
7.4.320.0060.00316.66
7.4.300.0030.00316.59
7.4.290.0070.00016.44
7.4.280.0070.00016.52
7.4.270.0030.00316.62
7.4.260.0060.00616.52
7.4.250.0000.00716.50
7.4.240.0020.00516.61
7.4.230.0070.00016.34
7.4.220.0070.01316.75
7.4.210.0110.00716.59
7.4.200.0000.00716.71
7.4.190.0050.00316.65
7.4.160.0080.00816.73
7.4.150.0070.01017.40
7.4.140.0130.00617.86
7.4.130.0130.01216.49
7.4.120.0090.00916.64
7.4.110.0030.01416.40
7.4.100.0120.00616.49
7.4.90.0150.00916.58
7.4.80.0030.02119.39
7.4.70.0090.00916.74
7.4.60.0120.00416.45
7.4.50.0080.00016.55
7.4.40.0070.00722.77
7.4.30.0070.01016.73
7.4.00.0090.00814.94
7.3.330.0000.00713.45
7.3.320.0030.00313.28
7.3.310.0000.00816.46
7.3.300.0070.00016.55
7.3.290.0030.01016.48
7.3.280.0120.00516.41
7.3.270.0040.01317.40
7.3.260.0060.01316.79
7.3.250.0110.00716.64
7.3.240.0180.00016.68
7.3.230.0130.00516.63
7.3.210.0070.01016.59
7.3.200.0160.00319.39
7.3.190.0070.01416.54
7.3.180.0070.01016.65
7.3.170.0030.01416.53
7.3.160.0120.00616.48
7.3.120.0070.00914.92
7.3.110.0090.00614.92
7.3.100.0110.00314.95
7.3.90.0080.00815.02
7.3.80.0080.00314.93
7.3.70.0060.00714.87
7.3.60.0060.00814.80
7.3.50.0060.01014.79
7.3.40.0040.01014.81
7.3.30.0030.01114.81
7.3.20.0040.00816.62
7.3.10.0080.00616.63
7.3.00.0060.01016.78
7.2.330.0060.01316.79
7.2.320.0030.01516.68
7.2.310.0100.01316.84
7.2.300.0170.00016.59
7.2.290.0080.00816.70
7.2.250.0080.01115.17
7.2.240.0090.00915.18
7.2.230.0040.00915.09
7.2.220.0060.00615.08
7.2.210.0040.01115.12
7.2.200.0070.00815.01
7.2.190.0080.00715.06
7.2.180.0040.01215.21
7.2.170.0090.00715.09
7.2.160.0120.00415.25
7.2.150.0100.00616.77
7.2.140.0070.00716.74
7.2.130.0030.01016.96
7.2.120.0060.00616.88
7.2.110.0100.00617.02
7.2.100.0040.01116.90
7.2.90.0030.01017.16
7.2.80.0060.00916.84
7.2.70.0100.00717.06
7.2.60.0050.01016.98
7.2.50.0000.01516.64
7.2.40.0140.00316.71
7.2.30.0000.01417.01
7.2.20.0060.00617.02
7.2.10.0100.00617.07
7.2.00.0030.00818.24
7.1.330.0040.01315.70
7.1.320.0060.00715.77
7.1.310.0080.00615.71
7.1.300.0060.00915.73
7.1.290.0050.00915.77
7.1.280.0060.00715.76
7.1.270.0040.00915.72
7.1.260.0060.00815.85
7.1.250.0030.01015.67
7.1.200.0060.00615.50
7.1.100.0070.00718.08
7.1.70.0040.00817.25
7.1.60.0140.00719.82
7.1.50.0030.00716.99
7.1.00.0070.07322.37
7.0.200.0030.00516.62
7.0.140.0100.06722.09
7.0.60.1770.06320.02
7.0.50.0130.07317.84
7.0.40.0030.04320.07
7.0.30.0500.04320.09
7.0.20.0200.04320.36
7.0.10.0130.05020.24
7.0.00.0030.06320.26
5.6.280.0000.07721.00
5.6.210.1500.06020.83
5.6.200.0100.05718.30
5.6.190.0030.04720.48
5.6.180.0530.06720.61
5.6.170.0330.07720.55
5.6.160.0100.07320.44
5.6.150.0000.05718.27
5.6.140.0100.07718.22
5.6.130.0070.08318.27
5.6.120.0000.05320.95
5.6.110.0070.06720.98
5.6.100.0170.07720.89
5.6.90.0030.07721.01
5.6.80.0130.07020.42
5.5.350.0170.08320.51
5.5.340.0070.07717.94
5.5.330.0100.03720.13
5.5.320.0270.03720.35
5.5.310.0130.05720.30
5.5.300.0100.07717.98
5.5.290.0070.04017.93
5.5.280.0170.05720.91
5.5.270.0000.08720.87
5.5.260.0130.07720.68
5.5.250.0100.03320.62
5.5.240.0070.08720.20
5.4.450.0530.04719.38
5.4.440.0900.04319.39
5.4.430.0530.03719.32
5.4.420.0170.03719.41
5.4.410.0300.03319.20
5.4.400.0130.03719.25
5.4.390.0470.04319.17
5.4.380.0270.05718.78
5.4.370.0300.05318.78
5.4.360.0330.04718.78
5.4.350.0230.06318.75
5.4.340.0270.06018.70
5.4.320.0040.04212.52
5.4.310.0090.04212.52
5.4.300.0080.04112.53
5.4.290.0090.03612.52
5.4.280.0070.03812.40
5.4.270.0060.03612.41
5.4.260.0090.03512.40
5.4.250.0040.03912.40
5.4.240.0050.03812.40
5.4.230.0110.03412.39
5.4.220.0050.03712.39
5.4.210.0040.03712.39
5.4.200.0100.03712.39
5.4.190.0080.03512.39
5.4.180.0030.04012.39
5.4.170.0110.03212.40
5.4.160.0060.03712.40
5.4.150.0080.03412.40
5.4.140.0120.03512.08
5.4.130.0070.03912.06
5.4.120.0050.03812.03
5.4.110.0050.03612.02
5.4.100.0060.03612.02
5.4.90.0080.03512.02
5.4.80.0020.04212.03
5.4.70.0080.03312.02
5.4.60.0060.03512.02
5.4.50.0070.03412.02
5.4.40.0030.03712.01
5.4.30.0070.03412.00
5.4.20.0060.03512.00
5.4.10.0060.03412.01
5.4.00.0070.04011.49
5.3.290.0040.04212.80
5.3.280.0050.03812.71
5.3.270.0090.03612.72
5.3.260.0050.03912.72
5.3.250.0070.03612.72
5.3.240.0080.03512.72
5.3.230.0050.03812.71
5.3.220.0060.03612.68
5.3.210.0030.05112.68
5.3.200.0070.03612.68
5.3.190.0030.04112.67
5.3.180.0080.04312.67
5.3.170.0070.03712.67
5.3.160.0020.04012.68
5.3.150.0070.03512.67
5.3.140.0040.03812.66
5.3.130.0050.03912.66
5.3.120.0020.04212.66
5.3.110.0070.03712.66
5.3.100.0060.03612.12
5.3.90.0030.03812.10
5.3.80.0090.03312.09
5.3.70.0040.03712.09
5.3.60.0060.04012.07
5.3.50.0040.03812.02
5.3.40.0040.03712.02
5.3.30.0040.03611.98
5.3.20.0050.03511.77
5.3.10.0070.03411.72
5.3.00.0070.04111.72
5.2.170.0070.0329.21
5.2.160.0060.0349.21
5.2.150.0030.0339.21
5.2.140.0070.0289.21
5.2.130.0060.0299.17
5.2.120.0040.0289.17
5.2.110.0060.0289.17
5.2.100.0100.0249.18
5.2.90.0070.0289.17
5.2.80.0050.0409.17
5.2.70.0050.0309.16
5.2.60.0030.0319.12
5.2.50.0080.0279.09
5.2.40.0050.0299.07
5.2.30.0060.0309.04
5.2.20.0050.0309.03
5.2.10.0040.0308.94
5.2.00.0100.0268.81
5.1.60.0060.0238.09
5.1.50.0020.0298.09
5.1.40.0040.0268.07
5.1.30.0030.0288.41
5.1.20.0040.0278.45
5.1.10.0050.0268.17
5.1.00.0070.0228.17
5.0.50.0030.0216.64
5.0.40.0050.0186.50
5.0.30.0020.0336.31
5.0.20.0040.0196.28
5.0.10.0040.0206.26
5.0.00.0070.0286.25
4.4.90.0020.0164.78
4.4.80.0030.0154.76
4.4.70.0020.0164.75
4.4.60.0020.0164.75
4.4.50.0030.0164.77
4.4.40.0040.0264.70
4.4.30.0050.0134.76
4.4.20.0050.0144.84
4.4.10.0060.0144.85
4.4.00.0030.0244.76
4.3.110.0060.0124.67
4.3.100.0030.0144.66
4.3.90.0010.0164.63
4.3.80.0030.0254.58
4.3.70.0030.0144.63
4.3.60.0050.0194.63
4.3.50.0030.0174.63
4.3.40.0050.0214.54
4.3.30.0020.0223.29
4.3.20.0050.0193.26
4.3.10.0010.0223.23
4.3.00.0070.03015.59

preferences:
42.45 ms | 401 KiB | 5 Q