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); echo 'S'; 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)
8.3.60.0150.00418.56
8.3.50.0130.00921.11
8.3.40.0140.00418.88
8.3.30.0110.00419.21
8.3.20.0060.00320.20
8.3.10.0050.00323.71
8.3.00.0080.00019.19
8.2.180.0150.00616.63
8.2.170.0120.00422.96
8.2.160.0080.00620.40
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00022.19
8.2.110.0060.00322.23
8.2.100.0060.00617.88
8.2.90.0000.00819.17
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0050.00318.05
8.2.50.0070.00318.07
8.2.40.0060.00318.03
8.2.30.0000.00718.13
8.2.20.0040.00417.67
8.2.10.0050.00318.23
8.2.00.0000.00717.72
8.1.280.0110.01125.92
8.1.270.0040.00422.11
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0000.00923.91
8.1.230.0060.00617.42
8.1.220.0000.00817.77
8.1.210.0050.00318.77
8.1.200.0100.00017.23
8.1.190.0030.00517.23
8.1.180.0050.00318.10
8.1.170.0030.00618.59
8.1.160.0050.00222.07
8.1.150.0000.00718.84
8.1.140.0040.00417.51
8.1.130.0050.00317.88
8.1.120.0050.00217.50
8.1.110.0030.00617.57
8.1.100.0040.00417.46
8.1.90.0070.00017.48
8.1.80.0050.00317.47
8.1.70.0030.00317.48
8.1.60.0000.00817.68
8.1.50.0090.00017.47
8.1.40.0040.00417.44
8.1.30.0000.00817.61
8.1.20.0040.00417.69
8.1.10.0090.00017.60
8.1.00.0000.00817.47
8.0.300.0020.00518.77
8.0.290.0060.00316.88
8.0.280.0000.00718.42
8.0.270.0040.00417.32
8.0.260.0000.00617.32
8.0.250.0000.00716.99
8.0.240.0000.00717.08
8.0.230.0070.00017.08
8.0.220.0050.00317.02
8.0.210.0030.00617.00
8.0.200.0070.00017.03
8.0.190.0030.00517.15
8.0.180.0040.00416.95
8.0.170.0040.00417.07
8.0.160.0000.00716.90
8.0.150.0000.00716.84
8.0.140.0000.00716.87
8.0.130.0000.00613.39
8.0.120.0000.00816.98
8.0.110.0000.00717.00
8.0.100.0040.00416.91
8.0.90.0000.00816.84
8.0.80.0090.01217.00
8.0.70.0040.00417.04
8.0.60.0030.00516.86
8.0.50.0000.00816.83
8.0.30.0110.01217.36
8.0.20.0060.01717.40
8.0.10.0070.00017.10
8.0.00.0080.01416.77
7.4.330.0000.00515.08
7.4.320.0040.00416.65
7.4.300.0000.00716.46
7.4.290.0030.00316.56
7.4.280.0000.00716.50
7.4.270.0000.00716.58
7.4.260.0030.00316.61
7.4.250.0050.00216.56
7.4.240.0000.00716.59
7.4.230.0000.00816.63
7.4.220.0120.00616.46
7.4.210.0060.01316.52
7.4.200.0050.00316.66
7.4.160.0100.00716.60
7.4.150.0050.01317.40
7.4.140.0100.01017.86
7.4.130.0150.00816.57
7.4.120.0080.01116.56
7.4.110.0060.01116.59
7.4.100.0130.01016.66
7.4.90.0070.01016.63
7.4.80.0120.00619.39
7.4.70.0060.01316.71
7.4.60.0060.01016.72
7.4.50.0040.00416.50
7.4.40.0100.01016.63
7.4.30.0150.00716.61
7.4.10.0040.01515.12
7.4.00.0030.01314.96
7.3.330.0000.00713.48
7.3.320.0000.00513.44
7.3.310.0000.00716.35
7.3.300.0070.00016.50
7.3.290.0120.00316.45
7.3.280.0100.00816.49
7.3.270.0140.01017.40
7.3.260.0070.01116.53
7.3.250.0070.01016.42
7.3.240.0030.01616.34
7.3.230.0030.01416.43
7.3.210.0060.01316.54
7.3.200.0070.01519.39
7.3.190.0080.01316.59
7.3.180.0100.00616.39
7.3.170.0060.01216.55
7.3.160.0090.01016.42
7.3.130.0060.01214.88
7.3.120.0100.01014.97
7.3.110.0000.01314.89
7.3.100.0000.01014.98
7.3.90.0030.01014.84
7.3.80.0000.01314.93
7.3.70.0060.00914.94
7.3.60.0090.00014.69
7.3.50.0090.00314.89
7.3.40.0060.00314.84
7.3.30.0060.00614.81
7.3.20.0070.00316.40
7.3.10.0080.00416.63
7.3.00.0080.00716.69
7.2.330.0150.01716.61
7.2.320.0070.01016.66
7.2.310.0150.00716.72
7.2.300.0120.00616.80
7.2.290.0120.01216.86
7.2.260.0090.00615.01
7.2.250.0090.00915.14
7.2.240.0110.00415.38
7.2.230.0030.01214.85
7.2.220.0000.01215.02
7.2.210.0070.00714.75
7.2.200.0030.00615.17
7.2.190.0060.00915.16
7.2.180.0090.00014.99
7.2.170.0000.01415.19
7.2.160.0030.01015.11
7.2.150.0110.00617.13
7.2.140.0130.00316.63
7.2.130.0050.00616.98
7.2.120.0080.00816.99
7.2.110.0040.01116.97
7.2.100.0040.01116.89
7.2.90.0060.01117.03
7.2.80.0050.00716.74
7.2.70.0080.00517.01
7.2.60.0090.00516.90
7.2.50.0060.00716.92
7.2.40.0100.00517.09
7.2.30.0060.00916.92
7.2.20.0040.00916.94
7.2.10.0110.00216.78
7.2.00.0050.01117.83
7.1.330.0060.00615.87
7.1.320.0040.00415.77
7.1.310.0040.00715.58
7.1.300.0040.00415.56
7.1.290.0030.00715.90
7.1.280.0080.00015.58
7.1.270.0030.00515.69
7.1.260.0080.00415.79
7.1.250.0070.00715.73
7.1.240.0060.00915.96
7.1.230.0070.01015.55
7.1.220.0030.01015.75
7.1.210.0090.00615.74
7.1.200.0050.00815.77
7.1.190.0060.00615.79
7.1.180.0100.00615.80
7.1.170.0040.01416.01
7.1.160.0100.00315.77
7.1.150.0040.00715.94
7.1.140.0100.00315.83
7.1.130.0060.01015.65
7.1.120.0100.00315.53
7.1.110.0100.00315.71
7.1.100.0030.01016.96
7.1.90.0030.00915.79
7.1.80.0080.00415.66
7.1.70.0090.00916.61
7.1.60.0050.00917.48
7.1.50.0050.01016.42
7.1.40.0060.01015.77
7.1.30.0080.00415.73
7.1.20.0090.00915.54
7.1.10.0030.00815.92
7.1.00.0050.04219.13
7.0.330.0060.00615.41
7.0.320.0080.00015.36
7.0.310.0070.00315.39
7.0.300.0070.00715.24
7.0.290.0030.00715.29
7.0.280.0000.00915.27
7.0.270.0030.01015.39
7.0.260.0000.01015.02
7.0.250.0000.01115.59
7.0.240.0060.01015.50
7.0.230.0100.00315.54
7.0.220.0030.01015.38
7.0.210.0030.01715.19
7.0.200.0090.00316.10
7.0.190.0040.00715.44
7.0.180.0110.00315.37
7.0.170.0040.00715.45
7.0.160.0040.00815.53
7.0.150.0100.00315.25
7.0.140.0020.04518.82
7.0.130.0040.00415.36
7.0.120.0030.00915.04
7.0.110.0090.00615.20
7.0.100.0110.00415.62
7.0.90.0030.01015.44
7.0.80.0070.00715.43
7.0.70.0150.00315.41
7.0.60.0100.03218.55
7.0.50.0090.04416.72
7.0.40.0080.02816.79
7.0.30.0220.03716.93
7.0.20.0130.02716.72
7.0.10.0060.04516.85
7.0.00.0070.03116.88
5.6.400.0070.00314.63
5.6.390.0060.00914.70
5.6.380.0050.00514.46
5.6.370.0080.00414.35
5.6.360.0040.00714.51
5.6.350.0090.00914.50
5.6.340.0120.00414.76
5.6.330.0030.01014.65
5.6.320.0060.00614.79
5.6.310.0070.01414.66
5.6.300.0070.00414.63
5.6.290.0060.00914.69
5.6.280.0030.03817.73
5.6.270.0060.00614.38
5.6.260.0060.00314.43
5.6.250.0070.00714.28
5.6.240.0000.00814.36
5.6.230.0070.00714.33
5.6.220.0040.01114.46
5.6.210.0190.04517.77
5.6.200.0080.02516.29
5.6.190.0070.04817.46
5.6.180.0170.03717.36
5.6.170.0110.04117.64
5.6.160.0080.04517.67
5.6.150.0080.04116.38
5.6.140.0060.02416.40
5.6.130.0040.04516.46
5.6.120.0080.02517.69
5.6.110.0090.04017.64
5.6.100.0050.04217.80
5.6.90.0050.04517.76
5.6.80.0050.03717.41
5.6.70.1650.02017.54
5.6.60.0040.00814.20
5.6.50.0100.00314.58
5.6.40.0040.01214.38
5.6.30.0060.00914.27
5.6.20.0060.01214.27
5.6.10.0090.00614.11
5.6.00.0070.00714.32
5.5.380.0040.00814.52
5.5.370.0090.00914.50
5.5.360.0000.01714.27
5.5.350.0130.04117.51
5.5.340.0030.05116.32
5.5.330.0020.03217.39
5.5.320.0150.04717.46
5.5.310.0190.03217.37
5.5.300.0050.02816.16
5.5.290.0080.04116.15
5.5.280.0020.05017.53
5.5.270.0080.04517.61
5.5.260.0120.04217.62
5.5.250.0050.03317.46
5.5.240.0170.02617.34
5.5.230.0090.00314.66
5.5.220.0060.01014.27
5.5.210.0110.00014.20
5.5.200.0060.01314.42
5.5.190.0030.00914.48
5.5.180.0140.00714.18
5.5.170.0060.01014.43
5.5.160.0030.01814.22
5.5.150.0090.00913.98
5.5.140.0080.00714.35
5.5.130.0080.00814.31
5.5.120.0070.01014.41
5.5.110.0150.00414.22
5.5.100.0150.00614.49
5.5.90.0110.00414.43
5.5.80.0030.01014.38
5.5.70.0070.00314.38
5.5.60.0090.00614.36
5.5.50.0000.01414.51
5.5.40.0110.00514.42
5.5.30.0070.01014.46
5.5.20.0030.01314.55
5.5.10.0060.00914.15
5.5.00.0120.00414.45
5.4.450.0530.03015.29
5.4.440.0660.03515.44
5.4.430.0770.03515.47
5.4.420.0530.03615.39
5.4.410.0630.02515.11
5.4.400.0540.03014.96
5.4.390.0520.03515.06
5.4.380.0460.03415.16
5.4.370.0660.02614.94
5.4.360.0670.03415.04
5.4.350.0320.03015.12
5.4.340.0080.03315.11
5.4.330.0030.01011.12
5.4.320.0150.03515.00
5.4.310.0030.03915.16
5.4.300.0650.02315.00
5.4.290.0480.02515.11
5.4.280.0330.03815.15
5.4.270.0100.03514.93
5.4.260.0070.03115.04
5.4.250.0080.02815.04
5.4.240.0630.03515.24
5.4.230.0630.02914.96
5.4.220.0580.03115.25
5.4.210.0570.02715.15
5.4.200.0550.03415.08
5.4.190.0500.03314.97
5.4.180.0680.03015.03
5.4.170.0680.03115.17
5.4.160.0410.03615.04
5.4.150.0480.03515.04
5.4.140.0420.04213.83
5.4.130.0670.03013.83
5.4.120.0620.03313.85
5.4.110.0760.02713.69
5.4.100.0740.02613.73
5.4.90.0690.02513.82
5.4.80.0650.04213.93
5.4.70.0670.03013.73
5.4.60.0670.03813.72
5.4.50.0680.03513.88
5.4.40.0670.03013.71
5.4.30.0620.03213.75
5.4.20.0470.03213.84
5.4.10.0530.03513.81
5.4.00.0590.03713.47
5.3.290.0110.04212.80
5.3.280.0070.04912.71
5.3.270.0060.03912.72
5.3.260.0060.03912.73
5.3.250.0080.03512.73
5.3.240.0030.04112.72
5.3.230.0100.03512.71
5.3.220.0090.03512.69
5.3.210.0040.04112.69
5.3.200.0050.03912.68
5.3.190.0070.03712.68
5.3.180.0060.03612.69
5.3.170.0080.03612.68
5.3.160.0060.03712.68
5.3.150.0070.03612.68
5.3.140.0050.03712.68
5.3.130.0030.04212.66
5.3.120.0060.04012.67
5.3.110.0060.03912.66
5.3.100.0080.03512.15
5.3.90.0050.03712.14
5.3.80.0060.03712.13
5.3.70.0100.03712.13
5.3.60.0040.03812.11
5.3.50.0040.03812.06
5.3.40.0050.03712.06
5.3.30.0050.03612.02
5.3.20.0080.03411.80
5.3.10.0080.03511.77
5.3.00.0080.03511.76
5.2.170.0060.0299.25
5.2.160.0080.0299.25
5.2.150.0050.0309.25
5.2.140.0030.0339.25
5.2.130.0100.0369.21
5.2.120.0060.0339.21
5.2.110.0030.0329.22
5.2.100.0050.0289.21
5.2.90.0060.0319.20
5.2.80.0050.0309.20
5.2.70.0030.0319.20
5.2.60.0040.0319.16
5.2.50.0070.0279.13
5.2.40.0040.0369.10
5.2.30.0050.0409.08
5.2.20.0070.0379.07
5.2.10.0040.0318.96
5.2.00.0060.0308.84
5.1.60.0030.0278.12
5.1.50.0050.0258.11
5.1.40.0060.0238.10
5.1.30.0040.0278.45
5.1.20.0030.0308.47
5.1.10.0070.0258.20
5.1.00.0040.0278.20
5.0.50.0030.0226.68
5.0.40.0030.0206.54
5.0.30.0040.0316.35
5.0.20.0040.0196.31
5.0.10.0010.0226.29
5.0.00.0020.0316.28
4.4.90.0010.0214.78
4.4.80.0020.0204.75
4.4.70.0010.0174.76
4.4.60.0020.0164.75
4.4.50.0010.0174.77
4.4.40.0020.0254.71
4.4.30.0030.0144.76
4.4.20.0030.0184.85
4.4.10.0010.0164.84
4.4.00.0020.0314.76
4.3.110.0040.0174.67
4.3.100.0030.0164.66
4.3.90.0050.0134.63
4.3.80.0030.0254.58
4.3.70.0030.0154.63
4.3.60.0020.0164.63
4.3.50.0040.0164.62
4.3.40.0020.0254.54
4.3.30.0020.0163.30
4.3.20.0010.0173.28
4.3.10.0000.0173.23
4.3.00.0030.0236.90

preferences:
42.05 ms | 401 KiB | 5 Q