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 ' . $maxlifetime; } public function __destruct() { var_dump($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(); $handler->messages[] = 'current session_id: ' . session_id(); 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)
8.3.60.0040.01118.80
8.3.50.0110.00922.07
8.3.40.0070.00718.88
8.3.30.0090.00619.05
8.3.20.0040.00420.35
8.3.10.0050.00322.09
8.3.00.0080.00022.51
8.2.180.0160.00316.88
8.2.170.0090.00622.96
8.2.160.0140.00419.20
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0050.00317.88
8.2.110.0070.00322.11
8.2.100.0080.00419.64
8.2.90.0050.00319.35
8.2.80.0060.00317.97
8.2.70.0050.00317.50
8.2.60.0000.01018.05
8.2.50.0040.00418.07
8.2.40.0080.00018.09
8.2.30.0070.00418.35
8.2.20.0040.00417.68
8.2.10.0060.00319.59
8.2.00.0040.00417.80
8.1.280.0150.00025.92
8.1.270.0040.01522.10
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00623.96
8.1.230.0070.00419.10
8.1.220.0040.00417.74
8.1.210.0050.00518.77
8.1.200.0030.00617.38
8.1.190.0000.00817.53
8.1.180.0000.00818.10
8.1.170.0100.00018.73
8.1.160.0040.00421.94
8.1.150.0040.00418.67
8.1.140.0070.00317.45
8.1.130.0040.00417.93
8.1.120.0000.00717.41
8.1.110.0000.00717.50
8.1.100.0040.00417.39
8.1.90.0000.00717.50
8.1.80.0070.00017.46
8.1.70.0000.00817.50
8.1.60.0050.00317.61
8.1.50.0000.00817.63
8.1.40.0040.00417.62
8.1.30.0040.00417.71
8.1.20.0030.00617.59
8.1.10.0080.00017.48
8.1.00.0040.00417.49
8.0.300.0070.00018.77
8.0.290.0000.00717.29
8.0.280.0000.00718.49
8.0.270.0030.00317.29
8.0.260.0030.00316.99
8.0.250.0000.00717.05
8.0.240.0000.00717.03
8.0.230.0070.00017.08
8.0.220.0000.00716.90
8.0.210.0030.00617.01
8.0.200.0030.00316.95
8.0.190.0000.00717.11
8.0.180.0000.00716.89
8.0.170.0030.00617.00
8.0.160.0070.00016.95
8.0.150.0050.00316.91
8.0.140.0040.00417.05
8.0.130.0000.00613.50
8.0.120.0000.00816.92
8.0.110.0000.00716.91
8.0.100.0050.00317.00
8.0.90.0050.00216.88
8.0.80.0120.00416.97
8.0.70.0000.00817.00
8.0.60.0040.00416.90
8.0.50.0050.00316.89
8.0.30.0060.01317.10
8.0.20.0090.01117.46
8.0.10.0080.00017.18
8.0.00.0090.00916.72
7.4.330.0030.00615.00
7.4.320.0050.00216.57
7.4.300.0000.00616.56
7.4.290.0030.00316.64
7.4.280.0000.00716.64
7.4.270.0000.00816.54
7.4.260.0030.00316.39
7.4.250.0040.00416.50
7.4.240.0020.00516.58
7.4.230.0050.00216.75
7.4.220.0140.00316.44
7.4.210.0080.00816.61
7.4.200.0070.00016.45
7.4.190.0000.00716.68
7.4.160.0030.01316.36
7.4.150.0120.01517.40
7.4.140.0110.01117.86
7.4.130.0170.00416.58
7.4.120.0050.01316.52
7.4.110.0070.01716.51
7.4.100.0090.00916.49
7.4.90.0060.01216.60
7.4.80.0170.02319.39
7.4.70.0090.01116.65
7.4.60.0130.00316.63
7.4.50.0000.00916.68
7.4.40.0090.00622.77
7.4.30.0170.00716.60
7.4.00.0030.00914.89
7.3.330.0060.00013.42
7.3.320.0060.00013.27
7.3.310.0000.00716.32
7.3.300.0070.00016.50
7.3.290.0040.01016.46
7.3.280.0100.00716.46
7.3.270.0140.00317.40
7.3.260.0110.00716.61
7.3.250.0110.00616.53
7.3.240.0080.01216.57
7.3.230.0110.00616.69
7.3.210.0100.00716.67
7.3.200.0110.01119.39
7.3.190.0100.00716.60
7.3.180.0070.01016.49
7.3.170.0080.00816.45
7.3.160.0080.00816.58
7.3.120.0040.01115.11
7.2.330.0190.00316.55
7.2.320.0290.02616.89
7.2.310.0090.01216.47
7.2.300.0030.01316.47
7.2.290.0110.00716.70
7.2.60.0040.00716.94
7.2.00.0090.00619.60
7.1.200.0060.00615.43
7.1.100.0030.00818.09
7.1.70.0000.01217.19
7.1.60.0000.01919.82
7.1.50.0130.01017.07
7.1.00.0100.07022.28
7.0.200.0210.00416.61
7.0.140.0030.07022.08
7.0.60.1370.07319.98
7.0.50.0130.07717.90
7.0.40.0200.07320.02
7.0.30.0300.08320.13
7.0.20.0400.07020.16
7.0.10.0170.09020.23
7.0.00.0070.05020.12
5.6.210.1100.06020.62
5.6.200.0100.06718.21
5.6.190.0100.05720.41
5.6.180.4100.03720.63
5.6.170.0230.07320.41
5.6.160.0000.05020.48
5.6.150.0100.07718.23
5.6.140.0030.06018.28
5.6.130.0030.08318.19
5.6.120.0270.04021.16
5.6.110.0100.08021.14
5.6.100.0100.06321.14
5.6.90.0070.08321.11
5.6.80.0170.05020.48
5.6.70.0370.06720.53
5.5.350.0000.08720.48
5.5.340.0100.08017.98
5.5.330.0030.08720.46
5.5.320.0230.05320.27
5.5.310.0370.06720.34
5.5.300.0070.06317.95
5.5.290.0100.03718.08
5.5.280.0030.08020.82
5.5.270.0030.09320.78
5.5.260.0200.07320.91
5.5.250.0100.07320.71
5.5.240.0030.06720.20
5.4.450.0270.07719.20
5.4.440.0100.05719.16
5.4.430.0100.05019.27
5.4.420.0200.03719.54
5.4.410.0200.04719.28
5.4.400.0230.06019.10
5.4.390.0200.04319.24
5.4.380.0270.04019.31
5.4.370.0200.06319.22
5.4.360.0230.07019.20
5.4.350.0270.06719.16
5.4.340.0200.06319.23
5.4.320.0230.04319.22
5.4.310.0370.02019.31
5.4.300.0170.05319.16
5.4.290.0130.04318.87
5.4.280.0230.04319.09
5.4.270.0170.04719.34
5.4.260.0230.03019.08
5.4.250.0200.03719.06
5.4.240.0230.03019.32
5.4.230.0070.04319.06
5.4.220.0200.04719.05
5.4.210.0200.03318.86
5.4.200.0100.04319.07
5.4.190.0130.04018.86
5.4.180.0200.03318.98
5.4.170.0200.07719.21
5.4.160.0230.03719.07
5.4.150.0170.04719.13
5.4.140.0170.03716.38
5.4.130.0200.04016.49
5.4.120.0230.03016.32
5.4.110.0200.04316.37
5.4.100.0230.06316.54
5.4.90.0100.03716.37
5.4.80.0170.04716.43
5.4.70.0130.03716.25
5.4.60.0200.03016.38
5.4.50.0130.04016.50
5.4.40.0170.04316.43
5.4.30.0230.03016.42
5.4.20.0270.04716.38
5.4.10.0200.07016.53
5.4.00.0230.03715.93
5.3.290.0270.05714.77
5.3.280.0230.04014.52
5.3.270.0300.05714.61
5.3.260.0230.04314.70
5.3.250.0200.05314.52
5.3.240.0200.04314.63
5.3.230.0200.04314.61
5.3.220.0270.05314.48
5.3.210.0200.05014.60
5.3.200.0230.06714.66
5.3.190.0100.04714.55
5.3.180.0130.03714.63
5.3.170.0230.02714.55
5.3.160.0200.04314.63
5.3.150.0130.04014.63
5.3.140.0200.07014.64
5.3.130.0130.08014.67
5.3.120.0230.06714.53
5.3.110.0230.07014.53
5.3.100.0230.04314.14
5.3.90.0200.07714.15
5.3.80.0170.04314.09
5.3.70.0230.03713.96
5.3.60.0230.03313.91
5.3.50.0170.07314.02
5.3.40.0100.03713.97
5.3.30.0170.05013.85
5.3.20.0130.04313.61
5.3.10.0200.03713.79
5.3.00.0130.03713.59
5.2.170.0100.03011.17
5.2.160.0130.03011.07
5.2.150.0200.04711.08
5.2.140.0100.04311.06
5.2.130.0200.04311.14
5.2.120.0200.05711.17
5.2.110.0200.05711.04
5.2.100.0200.02711.13
5.2.90.0130.03011.18
5.2.80.0230.03311.11
5.2.70.0200.04011.02
5.2.60.0170.06011.07
5.2.50.0170.03311.11
5.2.40.0230.05010.94
5.2.30.0130.03010.90
5.2.20.0170.02710.98
5.2.10.0170.03310.88
5.2.00.0130.03710.79
5.1.60.0130.0309.90
5.1.50.0170.0239.94
5.1.40.0200.0539.88
5.1.30.0200.05010.25
5.1.20.0230.05010.35
5.1.10.0130.03310.18
5.1.00.0170.05710.00
5.0.50.0100.0438.50
5.0.40.0000.0508.66
5.0.30.0030.0338.15
5.0.20.0000.0278.12
5.0.10.0000.0478.43
5.0.00.0030.0608.41
4.4.90.0000.0238.06
4.4.80.0330.0278.06
4.4.70.1130.0178.06
4.4.60.1170.0238.06
4.4.50.0930.0178.06
4.4.40.1130.0308.06
4.4.30.1100.0178.06
4.4.20.1030.0178.06
4.4.10.1030.0178.06
4.4.00.0930.0238.06
4.3.110.1170.0208.06
4.3.100.0930.0178.06
4.3.90.1130.0278.06
4.3.80.1230.0338.06
4.3.70.1170.0208.06
4.3.60.1230.0178.06
4.3.50.1200.0208.06
4.3.40.0970.0278.06
4.3.30.0430.0238.06
4.3.20.0630.0238.06
4.3.10.0600.0278.06
4.3.00.0600.0208.06

preferences:
44.97 ms | 401 KiB | 5 Q