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; return false; } public function close() { $this->messages[] = 'close'; } public function read($id) { $this->messages[] = 'read ' . $id; } public function write($id, $data) { $this->messages[] = 'write ' . $id . ': ' . $data; return false; } public function destroy($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_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)
8.3.60.0100.01018.43
8.3.50.0120.00721.21
8.3.40.0070.00719.02
8.3.30.0070.01118.59
8.3.20.0040.00418.90
8.3.10.0040.00421.09
8.3.00.0030.00519.69
8.2.180.0030.01716.88
8.2.170.0140.00722.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0040.00421.13
8.2.110.0030.00720.39
8.2.100.0080.00417.84
8.2.90.0000.00819.21
8.2.80.0030.00519.25
8.2.70.0000.00817.50
8.2.60.0060.00318.03
8.2.50.0060.00318.07
8.2.40.0040.00418.34
8.2.30.0070.00021.27
8.2.20.0000.00817.76
8.2.10.0000.00817.89
8.2.00.0060.00317.72
8.1.280.0040.01125.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0000.00922.46
8.1.230.0080.00322.73
8.1.220.0040.00418.77
8.1.210.0000.00818.97
8.1.200.0070.00417.47
8.1.190.0090.00017.54
8.1.180.0000.00818.10
8.1.170.0050.00318.59
8.1.160.0000.00818.84
8.1.150.0000.00818.66
8.1.140.0080.00017.46
8.1.130.0030.00317.87
8.1.120.0040.00417.48
8.1.110.0050.00217.41
8.1.100.0000.00717.48
8.1.90.0050.00317.51
8.1.80.0000.00717.56
8.1.70.0000.00717.38
8.1.60.0090.00017.56
8.1.50.0050.00217.54
8.1.40.0050.00317.48
8.1.30.0060.00317.71
8.1.20.0060.00317.72
8.1.10.0080.00017.64
8.1.00.0000.00817.57
8.0.300.0070.00019.86
8.0.290.0040.00417.40
8.0.280.0040.00418.49
8.0.270.0070.00017.31
8.0.260.0000.00916.92
8.0.250.0070.00317.00
8.0.240.0000.00817.04
8.0.230.0070.00017.04
8.0.220.0030.00517.01
8.0.210.0080.00317.03
8.0.200.0030.00316.99
8.0.190.0000.00717.07
8.0.180.0000.00716.93
8.0.170.0040.00417.05
8.0.160.0060.00317.00
8.0.150.0000.00817.02
8.0.140.0050.00316.95
8.0.130.0030.00313.38
8.0.120.0080.00016.96
8.0.110.0070.00016.95
8.0.100.0030.00517.00
8.0.90.0070.00016.93
8.0.80.0120.01217.00
8.0.70.0020.00516.98
8.0.60.0020.00516.98
8.0.50.0000.00717.10
8.0.30.0120.00617.01
8.0.20.0120.00617.40
8.0.10.0000.00717.01
8.0.00.0150.00616.66
7.4.330.0000.00616.82
7.4.320.0070.00316.66
7.4.300.0000.00616.55
7.4.290.0000.00816.54
7.4.280.0040.00416.63
7.4.270.0000.00716.43
7.4.260.0030.00313.36
7.4.250.0000.00716.55
7.4.240.0030.00316.53
7.4.230.0000.00816.45
7.4.220.0090.00916.52
7.4.210.0080.01016.60
7.4.200.0040.00416.66
7.4.190.0000.00716.45
7.4.160.0080.00816.49
7.4.150.0040.01317.40
7.4.140.0080.01017.86
7.4.130.0070.01716.64
7.4.120.0140.00416.46
7.4.110.0070.01116.54
7.4.100.0090.00916.59
7.4.90.0150.00316.46
7.4.80.0070.01019.39
7.4.70.0100.00716.54
7.4.60.0100.01016.51
7.4.50.0030.00516.66
7.4.40.0080.00322.77
7.4.30.0100.00716.41
7.4.00.0110.00514.99
7.3.330.0050.00013.22
7.3.320.0030.00313.38
7.3.310.0000.00716.31
7.3.300.0000.00716.27
7.3.290.0110.00416.42
7.3.280.0080.00816.45
7.3.270.0130.00617.40
7.3.260.0100.01218.24
7.3.250.0110.00816.46
7.3.240.0130.00316.41
7.3.230.0090.00916.51
7.3.210.0070.01016.60
7.3.200.0100.00719.39
7.3.190.0040.01616.54
7.3.180.0080.00816.49
7.3.170.0120.00416.46
7.3.160.0130.00316.50
7.3.120.0080.01014.82
7.3.110.0050.01115.13
7.3.100.0030.01614.98
7.3.90.0030.00915.06
7.3.80.0090.00614.73
7.3.70.0040.00714.89
7.3.60.0170.00014.66
7.3.50.0000.00914.71
7.3.40.0130.00314.75
7.3.30.0070.00714.81
7.3.20.0060.00616.79
7.3.10.0120.00416.59
7.3.00.0130.00516.44
7.2.330.0140.00316.94
7.2.320.0120.01216.77
7.2.310.0070.01816.76
7.2.300.0070.01016.82
7.2.290.0050.01116.77
7.2.250.0040.01415.16
7.2.240.0040.01515.05
7.2.230.0120.00415.03
7.2.220.0140.00015.26
7.2.210.0090.00915.21
7.2.200.0040.00815.13
7.2.190.0060.00915.20
7.2.180.0000.01315.30
7.2.170.0030.00715.04
7.2.160.0060.00915.08
7.2.150.0070.00717.13
7.2.140.0030.00616.91
7.2.130.0060.01116.75
7.2.120.0100.00816.79
7.2.110.0080.00916.92
7.2.100.0060.01016.87
7.2.90.0080.00916.72
7.2.80.0090.00716.73
7.2.70.0140.00216.68
7.2.60.0060.00716.78
7.2.50.0090.00517.00
7.2.40.0090.00816.99
7.2.30.0120.00716.82
7.2.20.0130.00516.72
7.2.10.0090.00616.94
7.2.00.0060.00817.61
7.1.330.0100.00315.79
7.1.320.0060.00615.96
7.1.310.0030.01015.95
7.1.300.0070.00715.82
7.1.290.0080.00415.77
7.1.280.0040.01215.58
7.1.270.0090.00615.80
7.1.260.0030.00615.74
7.1.250.0090.00715.73
7.1.240.0030.01015.95
7.1.230.0040.00715.96
7.1.220.0030.01015.70
7.1.210.0000.01115.96
7.1.200.0070.00415.78
7.1.190.0100.00315.63
7.1.180.0070.00315.48
7.1.170.0040.00715.54
7.1.160.0000.00915.82
7.1.150.0140.00015.76
7.1.140.0110.00015.87
7.1.130.0060.00615.85
7.1.120.0060.00615.64
7.1.110.0030.00615.93
7.1.100.0080.00415.76
7.1.90.0070.00715.77
7.1.80.0000.00915.72
7.1.70.0050.00616.48
7.1.60.0080.00516.55
7.1.50.0090.00416.49
7.1.40.0060.00916.17
7.1.30.0050.00716.14
7.1.20.0060.00616.17
7.1.10.0080.00416.27
7.1.00.0070.00416.22
7.0.330.0040.00415.45
7.0.320.0130.00315.16
7.0.310.0060.00615.51
7.0.300.0030.00915.34
7.0.290.0000.01115.45
7.0.280.0050.00515.63
7.0.270.0060.00915.21
7.0.260.0070.00715.46
7.0.250.0000.01415.55
7.0.240.0070.00715.50
7.0.230.0000.00815.55
7.0.220.0070.00715.46
7.0.210.0060.00615.60
7.0.200.0070.00315.92
7.0.190.0050.00416.12
7.0.180.0000.01215.98
7.0.170.0010.00716.04
7.0.160.0030.00715.98
7.0.150.0020.01016.00
7.0.140.0030.00916.01
7.0.130.0070.00416.06
7.0.120.0050.00715.86
7.0.110.0020.01015.95
7.0.100.0030.00815.97
7.0.90.0030.00816.09
7.0.80.0050.00515.88
7.0.70.0060.00516.10
7.0.60.0020.01016.09
7.0.50.0060.00716.04
7.0.40.0070.00515.11
7.0.30.0050.00915.04
7.0.20.0050.00515.14
7.0.10.0060.00515.10
7.0.00.0080.00314.93
5.6.400.0100.00014.83
5.6.390.0000.01314.70
5.6.380.0060.00614.58
5.6.370.0030.00614.73
5.6.360.0060.00914.68
5.6.350.0030.00714.36
5.6.340.0000.01514.59
5.6.330.0060.00814.53
5.6.320.0000.01314.46
5.6.310.0120.00314.42
5.6.300.0110.02417.55
5.6.290.0030.02517.55
5.6.280.0100.01917.97
5.6.270.0030.02717.66
5.6.260.0050.02617.71
5.6.250.0050.02517.53
5.6.240.0020.02617.82
5.6.230.0100.02717.64
5.6.220.0020.03217.58
5.6.210.0070.02717.62
5.6.200.0130.02317.71
5.6.190.0050.02817.81
5.6.180.0080.02117.59
5.6.170.0070.02317.68
5.6.160.0040.02517.70
5.6.150.0060.02817.69
5.6.140.0070.02217.74
5.6.130.0100.02017.68
5.6.120.0020.03217.68
5.6.110.0110.02117.71
5.6.100.0000.03017.66
5.6.90.0060.04117.57
5.6.80.0060.03017.23
5.6.70.0050.04217.40
5.6.60.0090.01817.27
5.6.50.0100.02217.27
5.6.40.0070.03517.35
5.6.30.0060.02717.48
5.6.20.0030.02917.16
5.6.10.0020.02617.39
5.6.00.0040.02517.23
5.5.380.0050.02415.94
5.5.370.0070.02615.95
5.5.360.0000.03515.86
5.5.350.0050.02416.11
5.5.340.0030.03016.20
5.5.330.0070.02316.30
5.5.320.0020.02816.25
5.5.310.0070.02416.12
5.5.300.0050.02616.31
5.5.290.0040.02816.19
5.5.280.0190.02316.08
5.5.270.0030.03216.15
5.5.260.0050.02316.29
5.5.250.0060.03816.01
5.5.240.0070.02815.67
5.5.230.0020.02915.97
5.5.220.0020.02516.01
5.5.210.0000.03015.92
5.5.200.0050.04515.87
5.5.190.0060.02315.86
5.5.180.0060.02315.90
5.5.170.0030.01314.19
5.5.160.0020.03016.06
5.5.150.0050.03915.91
5.5.140.0060.02415.82
5.5.130.0010.04115.80
5.5.120.0070.03015.70
5.5.110.0030.04415.71
5.5.100.0020.04115.79
5.5.90.0050.02215.80
5.5.80.0070.01915.88
5.5.70.0110.01915.84
5.5.60.0020.03215.91
5.5.50.0040.02915.64
5.5.40.0040.02215.74
5.5.30.0030.02315.96
5.5.20.0050.02615.79
5.5.10.0050.02315.74
5.5.00.0070.02715.70
5.4.450.0030.02615.20
5.4.440.0020.03215.22
5.4.430.0030.02415.32
5.4.420.0060.02115.43
5.4.410.0020.02915.28
5.4.400.0050.02215.29
5.4.390.0020.02715.07
5.4.380.0080.03014.90
5.4.370.0020.02315.02
5.4.360.0030.03015.07
5.4.350.0050.02415.13
5.4.340.0120.02015.11
5.4.330.0000.01110.92
5.4.320.0050.02315.35
5.4.310.0070.02115.05
5.4.300.0060.03814.93
5.4.290.0050.03915.06
5.4.280.0070.04315.30
5.4.270.0020.03114.96
5.4.260.0010.03215.04
5.4.250.0050.02515.15
5.4.240.0130.01915.01
5.4.230.0030.02315.19
5.4.220.0070.02314.97
5.4.210.0060.03415.07
5.4.200.0020.02515.13
5.4.190.0080.01715.08
5.4.180.0050.03415.00
5.4.170.0000.02515.27
5.4.160.0060.04214.89
5.4.150.0030.02314.91
5.4.140.0080.01614.02
5.4.130.0020.02413.83
5.4.120.0070.02013.84
5.4.110.0020.02313.85
5.4.100.0070.04213.88
5.4.90.0040.02013.80
5.4.80.0110.02614.00
5.4.70.0050.02514.00
5.4.60.0030.02413.80
5.4.50.0070.02013.89
5.4.40.0100.02114.01
5.4.30.0020.02913.96
5.4.20.0040.02214.06
5.4.10.0020.02513.92
5.4.00.0030.02013.72
5.3.290.0080.02413.67
5.3.280.0060.02113.67
5.3.270.0030.02413.67
5.3.260.0060.02713.67
5.3.250.0020.02113.67
5.3.240.0030.03913.67
5.3.230.0060.02013.67
5.3.220.0090.01713.67
5.3.210.0020.04313.67
5.3.200.0050.04313.67
5.3.190.0050.03913.67
5.3.180.0070.01913.67
5.3.170.0030.02413.67
5.3.160.0030.02213.67
5.3.150.0030.01913.67
5.3.140.0050.02213.67
5.3.130.0150.01713.67
5.3.120.0020.03713.67
5.3.110.0060.02013.67
5.3.100.0040.02313.67
5.3.90.0040.02013.67
5.3.80.0020.02313.67
5.3.70.0040.02813.67
5.3.60.0030.02113.67
5.3.50.0070.02013.67
5.3.40.0050.02313.67
5.3.30.0010.03213.67
5.3.20.0070.01613.67
5.3.10.0040.02213.67
5.3.00.0080.03613.67
5.2.170.0060.03216.66
5.2.160.0000.05316.66
5.2.150.0040.02916.66
5.2.140.0030.03416.66
5.2.130.0000.03516.66
5.2.120.0030.05516.66
5.2.110.0060.03516.66
5.2.100.0040.03616.66
5.2.90.0000.03616.66
5.2.80.0030.03016.66
5.2.70.0030.03216.66
5.2.60.0000.04016.66
5.2.50.0030.03116.66
5.2.40.0000.03316.66
5.2.30.0000.03516.66
5.2.20.0070.02316.66
5.2.10.0000.03116.66
5.2.00.0030.03416.66
5.1.60.0030.02416.66
5.1.50.0000.02816.66
5.1.40.0030.02316.66
5.1.30.0030.02716.66
5.1.20.0030.03316.66
5.1.10.0030.04216.66
5.1.00.0060.02716.66
5.0.50.0030.03316.66
5.0.40.0000.02216.66
5.0.30.0030.03216.66
5.0.20.0000.02216.66
5.0.10.0000.02216.66
5.0.00.0060.03216.66
4.4.90.0000.01816.66
4.4.80.0000.02216.66
4.4.70.0060.01816.66
4.4.60.0030.01416.66
4.4.50.0060.02816.66
4.4.40.0030.02216.66
4.4.30.0070.02116.66
4.4.20.0030.01416.66
4.4.10.0070.02016.66
4.4.00.0060.02416.66
4.3.110.0000.02016.66
4.3.100.0030.01316.66
4.3.90.0030.01516.66
4.3.80.0000.02816.66
4.3.70.0030.01316.66
4.3.60.0000.01816.66
4.3.50.0000.01816.66
4.3.40.0060.02116.66
4.3.30.0040.01516.66
4.3.20.0070.01716.66
4.3.10.0030.01516.66
4.3.00.0080.01116.66

preferences:
38.24 ms | 401 KiB | 5 Q