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(); $handler->messages[] = 'session_status(): ' . session_status(); session_set_save_handler($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)
8.3.40.0150.00018.96
8.3.30.0040.01119.14
8.3.20.0080.00020.13
8.3.10.0040.00423.61
8.3.00.0000.00819.38
8.2.170.0150.00022.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.22
8.2.110.0030.00721.09
8.2.100.0130.00018.00
8.2.90.0030.00519.17
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0000.01018.03
8.2.50.0000.00918.07
8.2.40.0030.00520.01
8.2.30.0000.00718.18
8.2.20.0000.00917.82
8.2.10.0040.00418.14
8.2.00.0040.00417.75
8.1.270.0060.00322.31
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0050.00522.73
8.1.230.0120.00017.48
8.1.220.0030.00517.91
8.1.210.0040.00418.77
8.1.200.0060.00317.38
8.1.190.0040.00417.48
8.1.180.0030.00618.10
8.1.170.0030.00618.71
8.1.160.0000.00722.12
8.1.150.0040.00418.96
8.1.140.0000.00817.54
8.1.130.0040.00417.94
8.1.120.0040.00417.43
8.1.110.0030.00617.41
8.1.100.0070.00017.52
8.1.90.0000.00817.52
8.1.80.0040.00417.53
8.1.70.0000.00817.52
8.1.60.0000.00917.62
8.1.50.0040.00417.55
8.1.40.0000.00817.55
8.1.30.0000.00817.73
8.1.20.0030.00517.61
8.1.10.0000.00817.63
8.1.00.0040.00417.54
8.0.300.0040.00418.77
8.0.290.0020.00517.00
8.0.280.0070.00018.44
8.0.270.0030.00617.25
8.0.260.0000.00717.25
8.0.250.0030.00316.99
8.0.240.0000.00717.06
8.0.230.0030.00316.95
8.0.220.0040.00716.93
8.0.210.0030.00316.94
8.0.200.0030.00317.05
8.0.190.0030.00616.97
8.0.180.0000.00717.10
8.0.170.0000.00916.98
8.0.160.0030.00316.95
8.0.150.0040.00416.94
8.0.140.0040.00416.96
8.0.130.0000.00613.55
8.0.120.0040.00416.88
8.0.110.0080.00016.96
8.0.100.0040.00416.89
8.0.90.0000.00817.03
8.0.80.0070.01116.98
8.0.70.0050.00216.83
8.0.60.0050.00516.86
8.0.50.0000.00817.09
8.0.30.0100.01017.25
8.0.20.0130.00817.40
8.0.10.0000.00817.01
8.0.00.0110.00616.69
7.4.330.0060.00015.00
7.4.320.0000.00716.51
7.4.300.0000.00616.45
7.4.290.0000.00716.68
7.4.280.0000.01016.68
7.4.270.0050.00316.63
7.4.260.0100.00016.55
7.4.250.0040.00416.46
7.4.240.0020.00516.55
7.4.230.0070.00016.71
7.4.220.0150.01216.79
7.4.210.0110.00316.70
7.4.200.0040.00416.70
7.4.160.0030.01316.79
7.4.150.0070.01117.40
7.4.140.0160.00617.86
7.4.130.0110.01116.49
7.4.120.0100.00916.60
7.4.110.0060.01016.72
7.4.100.0170.00316.73
7.4.90.0100.00716.70
7.4.80.0160.00619.39
7.4.70.0040.01716.66
7.4.60.0100.00916.73
7.4.50.0000.00816.61
7.4.40.0060.01016.39
7.4.30.0130.00316.84
7.4.00.0080.00814.98
7.3.330.0030.00313.55
7.3.320.0030.00313.50
7.3.310.0000.00716.51
7.3.300.0030.00316.45
7.3.290.0070.00816.50
7.3.280.0050.01216.50
7.3.270.0090.00917.40
7.3.260.0090.00916.52
7.3.250.0090.00816.63
7.3.240.0110.01116.61
7.3.230.0000.01816.67
7.3.210.0000.01816.46
7.3.200.0060.01319.39
7.3.190.0190.00316.74
7.3.180.0040.01216.42
7.3.170.0090.01516.64
7.3.160.0150.00616.48
7.3.120.0040.01515.07
7.3.110.0090.00914.88
7.3.100.0060.01015.19
7.3.90.0060.00614.89
7.3.80.0030.01315.06
7.3.70.0030.01314.95
7.3.60.0070.00714.89
7.3.50.0040.01514.89
7.3.40.0150.00414.89
7.3.30.0070.00714.79
7.3.20.0030.01316.63
7.3.10.0050.00716.72
7.3.00.0060.00716.46
7.2.330.0090.00916.45
7.2.320.0140.01116.48
7.2.310.0130.00416.63
7.2.300.0090.00816.79
7.2.290.0120.00616.59
7.2.250.0100.01015.26
7.2.240.0070.01315.37
7.2.230.0060.01014.83
7.2.220.0060.00615.01
7.2.210.0030.01515.22
7.2.200.0060.00915.18
7.2.190.0030.01215.21
7.2.180.0110.00414.88
7.2.170.0080.00415.16
7.2.130.0070.00716.93
7.2.120.0000.01016.91
7.2.110.0040.01216.98
7.2.100.0040.01116.69
7.2.90.0030.01016.94
7.2.80.0040.00416.77
7.2.70.0030.00616.80
7.2.60.0040.00916.86
7.2.50.0000.00916.98
7.2.40.0030.00616.74
7.2.30.0000.01416.72
7.2.20.0100.00616.92
7.2.10.0000.01116.95
7.2.00.0070.00416.74
7.1.330.0030.01015.96
7.1.320.0000.01515.73
7.1.310.0100.00615.97
7.1.300.0060.01215.91
7.1.290.0100.00015.51
7.1.280.0040.01115.69
7.1.270.0030.01015.84
7.1.260.0060.00615.73
7.1.250.0040.00415.74
7.1.200.0060.00615.96
7.1.70.0060.00917.17
7.1.60.0000.01119.11
7.1.50.0070.01416.92
7.1.00.0030.07722.54
7.0.200.0000.00916.95
7.0.140.0000.07322.05
7.0.60.0130.05721.84
7.0.50.0130.06717.89
7.0.40.0030.05020.24
7.0.30.0400.08020.24
7.0.20.0270.05720.07
7.0.10.0100.08720.23
7.0.00.0070.09020.16
5.6.280.0070.07021.09
5.6.210.1130.06020.76
5.6.200.0070.07318.16
5.6.190.0070.08720.61
5.6.180.0230.04320.46
5.6.170.0170.04020.45
5.6.160.0130.03320.57
5.6.150.0100.07318.17
5.6.140.0030.09018.21
5.6.130.0070.07718.27
5.6.120.0070.09020.93
5.6.110.0170.07021.02
5.6.100.0000.04321.03
5.6.90.0070.07320.98
5.6.80.0030.06320.37
5.5.350.0100.08020.46
5.5.340.0200.07317.98
5.5.330.0100.05020.56
5.5.320.0300.04720.22
5.5.310.0200.03720.34
5.5.300.0070.06317.94
5.5.290.0070.07318.07
5.5.280.0000.05320.69
5.5.270.0070.06020.77
5.5.260.0070.06720.86
5.5.250.0070.07020.81
5.5.240.0370.06320.36
5.4.450.0970.07019.56
5.4.440.1230.06319.33
5.4.430.0970.05019.54
5.4.420.1200.05019.25
5.4.410.1330.07319.45
5.4.400.1300.05719.12
5.4.390.1100.05719.10
5.4.380.0830.06018.99
5.4.370.1130.04718.99
5.4.360.1170.05319.01
5.4.350.1070.05318.99
5.4.340.1330.04319.10
5.4.320.1170.06319.13
5.4.310.1070.05718.96
5.4.300.1170.04719.13
5.4.290.1330.06719.23
5.4.280.0930.05018.92
5.4.270.1030.04718.96
5.4.260.1100.05319.15
5.4.250.1000.05018.90
5.4.240.1200.05319.11
5.4.230.1130.06019.27
5.4.220.1330.06319.14
5.4.210.1100.05719.27
5.4.200.1130.05319.27
5.4.190.1330.03719.12
5.4.180.0930.06019.24
5.4.170.1030.06019.02
5.4.160.1070.05319.15
5.4.150.1270.04718.88
5.4.140.1230.05316.41
5.4.130.1130.04316.43
5.4.120.1230.05316.52
5.4.110.1130.06716.54
5.4.100.1030.03716.59
5.4.90.1300.06316.43
5.4.80.1000.05716.37
5.4.70.1070.05316.43
5.4.60.1100.05316.50
5.4.50.1200.04316.30
5.4.40.0870.05016.59
5.4.30.1130.04716.43
5.4.20.1130.06316.29
5.4.10.1130.05016.29
5.4.00.1230.04715.77
5.3.290.0130.05314.80
5.3.280.0170.03714.52
5.3.270.0100.04314.76
5.3.260.0130.04014.60
5.3.250.0330.05014.74
5.3.240.0100.04314.52
5.3.230.0100.04314.72
5.3.220.0270.03714.70
5.3.210.0100.04314.65
5.3.200.0170.03714.66
5.3.190.0130.04014.56
5.3.180.0230.03314.49
5.3.170.0170.03714.57
5.3.160.0100.04314.59
5.3.150.0100.04014.50
5.3.140.0230.04014.47
5.3.130.0230.03014.48
5.3.120.0170.03714.62
5.3.110.0200.03314.64
5.3.100.0230.03713.97
5.3.90.0130.03713.94
5.3.80.0170.03713.96
5.3.70.0030.04014.09
5.3.60.0130.05014.04
5.3.50.0100.04314.04
5.3.40.0170.04714.01
5.3.30.0130.04013.90
5.3.20.0100.04013.63
5.3.10.0200.04013.57
5.3.00.0200.03313.59
5.2.170.0130.03311.10
5.2.160.0170.02711.08
5.2.150.0100.03311.14
5.2.140.0100.03311.09
5.2.130.0170.03011.18
5.2.120.0170.02711.14
5.2.110.0130.03311.13
5.2.100.0200.03311.04
5.2.90.0200.03011.14
5.2.80.0130.03711.03
5.2.70.0130.03011.19
5.2.60.0230.06310.98
5.2.50.0200.03011.05
5.2.40.0170.03310.93
5.2.30.0130.04710.91
5.2.20.0200.05011.06
5.2.10.0170.03311.00
5.2.00.0170.03010.70
5.1.60.0170.0209.91
5.1.50.0200.03710.02
5.1.40.0170.02710.01
5.1.30.0200.02310.51
5.1.20.0100.03310.50
5.1.10.0130.03010.00
5.1.00.0100.02710.19
5.0.50.0130.0408.47
5.0.40.0070.0508.45
5.0.30.0100.0338.46
5.0.20.0000.0438.46
5.0.10.0000.0238.47
5.0.00.0030.0308.47
4.4.90.0070.0138.48
4.4.80.0070.0178.48
4.4.70.0070.0138.48
4.4.60.0030.0208.48
4.4.50.0070.0278.48
4.4.40.0030.0408.48
4.4.30.0030.0178.48
4.4.20.0070.0278.48
4.4.10.0100.0208.48
4.4.00.0070.0338.48
4.3.110.0100.0338.48
4.3.100.0070.0378.48
4.3.90.0070.0138.48
4.3.80.0070.0408.48
4.3.70.0070.0278.48
4.3.60.0100.0208.48
4.3.50.0070.0178.48
4.3.40.0030.0438.48
4.3.30.0070.0138.48
4.3.20.0030.0208.48
4.3.10.0030.0278.48
4.3.00.0000.0178.48

preferences:
33.9 ms | 400 KiB | 5 Q