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_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)
8.3.60.0120.00616.88
8.3.50.0110.00517.39
8.3.40.0080.00818.92
8.3.30.0070.01018.61
8.3.20.0060.00318.72
8.3.10.0030.00718.90
8.3.00.0000.00819.51
8.2.180.0140.00425.92
8.2.170.0060.00919.08
8.2.160.0000.01522.96
8.2.150.0030.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00019.89
8.2.110.0060.00320.52
8.2.100.0040.00817.88
8.2.90.0040.00417.75
8.2.80.0060.00317.97
8.2.70.0030.00617.61
8.2.60.0000.00817.63
8.2.50.0060.00317.63
8.2.40.0060.00317.63
8.2.30.0060.00317.69
8.2.20.0000.01017.87
8.2.10.0000.00819.38
8.2.00.0050.00517.81
8.1.280.0090.00925.92
8.1.270.0110.00423.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.75
8.1.230.0070.00420.94
8.1.220.0040.00417.74
8.1.210.0040.00418.78
8.1.200.0030.00717.25
8.1.190.0080.00017.23
8.1.180.0060.00318.10
8.1.170.0040.00417.62
8.1.160.0040.00418.69
8.1.150.0040.00418.57
8.1.140.0000.00717.48
8.1.130.0050.00219.11
8.1.120.0030.00617.58
8.1.110.0040.00417.46
8.1.100.0000.00717.54
8.1.90.0000.00817.50
8.1.80.0040.00417.54
8.1.70.0080.00017.52
8.1.60.0070.00317.69
8.1.50.0000.00917.41
8.1.40.0040.00417.45
8.1.30.0050.00617.65
8.1.20.0060.00317.60
8.1.10.0040.00417.52
8.1.00.0080.00017.59
8.0.300.0040.00419.77
8.0.290.0030.00616.63
8.0.280.0070.00318.12
8.0.270.0000.00717.31
8.0.260.0060.00016.94
8.0.250.0050.00217.01
8.0.240.0060.00316.96
8.0.230.0000.00817.07
8.0.220.0030.00617.00
8.0.210.0000.00716.88
8.0.200.0060.00017.07
8.0.190.0040.00417.07
8.0.180.0050.00317.01
8.0.170.0030.00717.03
8.0.160.0000.00817.03
8.0.150.0030.00616.98
8.0.140.0050.00616.98
8.0.130.0060.00013.44
8.0.120.0080.00416.88
8.0.110.0030.00516.80
8.0.100.0040.00416.94
8.0.90.0050.00216.95
8.0.80.0060.00917.05
8.0.70.0000.00717.07
8.0.60.0040.00416.86
8.0.50.0000.00917.00
8.0.30.0080.00817.11
8.0.20.0150.00416.92
8.0.10.0040.00417.09
8.0.00.0100.01316.65
7.4.330.0050.00012.96
7.4.320.0000.00616.56
7.4.300.0070.00016.50
7.4.290.0070.00016.56
7.4.280.0040.00416.44
7.4.270.0030.00316.55
7.4.260.0030.00313.25
7.4.250.0040.00416.47
7.4.240.0070.00016.55
7.4.230.0050.00516.71
7.4.220.0180.00616.54
7.4.210.0120.00316.45
7.4.200.0000.00816.39
7.4.190.0000.00716.61
7.4.160.0040.01116.64
7.4.150.0090.01216.48
7.4.140.0190.00617.86
7.4.130.0160.00616.59
7.4.120.0130.00516.47
7.4.110.0190.00016.55
7.4.100.0170.00716.57
7.4.90.0090.00916.51
7.4.80.0120.00619.39
7.4.70.0170.00016.44
7.4.60.0180.00016.62
7.4.50.0000.00716.43
7.4.40.0050.00616.59
7.4.30.0060.01116.41
7.4.00.0050.01215.11
7.3.330.0060.00013.41
7.3.320.0060.00013.40
7.3.310.0050.00216.43
7.3.300.0080.00016.32
7.3.290.0060.00916.45
7.3.280.0080.00816.31
7.3.270.0150.00416.44
7.3.260.0100.01416.49
7.3.240.0110.00716.50
7.3.230.0100.01016.44
7.3.210.0060.01216.42
7.3.200.0170.00016.69
7.3.190.0080.00816.54
7.3.180.0100.00716.63
7.3.170.0050.01116.55
7.3.160.0130.00316.48
7.3.120.0050.01314.96
7.3.110.0060.00614.78
7.3.100.0070.01314.82
7.3.90.0070.00714.97
7.3.80.0060.00914.91
7.3.70.0000.01014.66
7.3.60.0080.00814.99
7.3.50.0040.01214.93
7.3.40.0040.00814.71
7.3.30.0000.01514.63
7.3.20.0040.00716.77
7.3.10.0050.00816.72
7.3.00.0050.01016.83
7.2.330.0000.01816.47
7.2.320.0100.01016.85
7.2.310.0160.00616.55
7.2.300.0100.00616.75
7.2.290.0090.00916.49
7.2.250.0070.01415.20
7.2.240.0080.01115.32
7.2.230.0070.00715.24
7.2.220.0090.00614.95
7.2.210.0080.00614.69
7.2.200.0030.01015.12
7.2.190.0070.00715.04
7.2.180.0060.00714.82
7.2.170.0070.00715.21
7.2.160.0070.00714.96
7.2.150.0070.00416.85
7.2.140.0090.00616.93
7.2.130.0090.00816.98
7.2.120.0060.00916.93
7.2.110.0030.00616.84
7.2.100.0050.00616.98
7.2.90.0040.00916.93
7.2.80.0050.01216.93
7.2.70.0050.00617.08
7.2.60.0060.00617.04
7.2.50.0100.00116.99
7.2.40.0020.01117.07
7.2.30.0040.00917.07
7.2.20.0070.00916.75
7.2.10.0050.00616.97
7.2.00.0010.01217.82
7.1.330.0060.01215.84
7.1.320.0000.01715.93
7.1.310.0000.01316.16
7.1.300.0030.01015.66
7.1.290.0000.01215.83
7.1.280.0060.00915.59
7.1.270.0070.00715.67
7.1.260.0080.00615.61
7.1.250.0030.01015.95
7.1.240.0060.01015.79
7.1.230.0000.00915.75
7.1.220.0000.01315.67
7.1.210.0060.00915.72
7.1.200.0060.00515.79
7.1.190.0070.00715.80
7.1.180.0110.00315.93
7.1.170.0060.00315.84
7.1.160.0030.00915.51
7.1.150.0000.01215.89
7.1.140.0100.00315.80
7.1.130.0070.00715.96
7.1.120.0110.00315.95
7.1.110.0070.00715.93
7.1.100.0090.00917.02
7.1.90.0040.00415.88
7.1.80.0090.00615.75
7.1.70.0050.00316.59
7.1.60.0050.01217.49
7.1.50.0070.00916.43
7.1.40.0050.00515.85
7.1.30.0060.00915.92
7.1.20.0100.00315.80
7.1.10.0110.00015.75
7.1.00.0020.03219.08
7.0.330.0060.00615.60
7.0.320.0060.00615.22
7.0.310.0030.00715.41
7.0.300.0040.00715.11
7.0.290.0040.00815.21
7.0.280.0040.00815.34
7.0.270.0000.01215.48
7.0.260.0070.00715.25
7.0.250.0090.00015.58
7.0.240.0000.01115.49
7.0.230.0070.00715.40
7.0.220.0030.01315.30
7.0.210.0000.01415.52
7.0.200.0030.00716.17
7.0.190.0110.00015.57
7.0.180.0120.00015.48
7.0.170.0060.00615.54
7.0.160.0070.00715.28
7.0.150.0060.00615.28
7.0.140.0040.04218.68
7.0.130.0000.00815.49
7.0.120.0050.03618.78
7.0.110.0110.00315.62
7.0.100.0000.01015.42
7.0.90.0090.00315.50
7.0.80.0070.01015.66
7.0.70.0040.01115.43
7.0.60.0750.04617.63
7.0.50.0030.02716.69
7.0.40.0020.02715.72
7.0.30.0030.02315.67
7.0.20.0090.02015.69
7.0.10.0030.02515.62
7.0.00.0070.02115.66
5.6.400.0070.00714.72
5.6.390.0080.00814.36
5.6.380.0150.00014.39
5.6.370.0000.01814.79
5.6.360.0030.01214.35
5.6.350.0060.00314.70
5.6.340.0000.01014.47
5.6.330.0030.00914.54
5.6.320.0070.01014.28
5.6.310.0040.01114.60
5.6.300.0060.00914.45
5.6.290.0040.01214.34
5.6.280.0070.04017.75
5.6.270.0000.01014.32
5.6.260.0000.01714.80
5.6.250.0040.00814.51
5.6.240.0000.01614.36
5.6.230.0030.00914.55
5.6.220.0090.00614.46
5.6.210.0600.03317.49
5.6.200.0090.01816.28
5.6.190.0090.02516.21
5.6.180.0040.02516.28
5.6.170.0050.02416.38
5.6.160.0030.02616.25
5.6.150.0030.02916.40
5.6.140.0050.02016.40
5.6.130.0090.02016.30
5.6.120.0060.04116.28
5.6.110.0050.04016.38
5.6.100.0070.03116.29
5.6.90.0070.03516.37
5.6.80.0090.03516.01
5.6.70.0080.04216.07
5.6.60.0070.04416.02
5.6.50.0080.03115.88
5.6.40.0060.02516.00
5.6.30.0070.04516.04
5.6.20.0080.02815.95
5.6.10.0070.02415.96
5.6.00.0050.02516.04
5.5.380.0000.01314.38
5.5.370.0000.01014.61
5.5.360.0110.00414.27
5.5.350.0070.04517.36
5.5.340.0000.03016.03
5.5.330.0050.02216.17
5.5.320.0060.02116.31
5.5.310.0090.01816.11
5.5.300.0030.02416.31
5.5.290.0030.03716.09
5.5.280.0090.03416.19
5.5.270.0090.04116.22
5.5.260.0150.04116.28
5.5.250.0150.03716.01
5.5.240.0070.04415.92
5.5.230.0020.03115.84
5.5.220.0390.04017.13
5.5.210.0730.04517.31
5.5.200.0930.03917.11
5.5.190.0020.04815.82
5.5.180.0080.04115.67
5.5.170.0090.00314.48
5.5.160.0020.02915.89
5.5.150.0090.02315.81
5.5.140.0100.04316.03
5.5.130.0090.04215.86
5.5.120.0040.02915.90
5.5.110.0080.04815.91
5.5.100.0080.02215.71
5.5.90.0030.04215.70
5.5.80.0060.03315.85
5.5.70.0050.04415.73
5.5.60.0120.03015.84
5.5.50.0030.04315.88
5.5.40.0080.03315.76
5.5.30.0020.03215.85
5.5.20.0050.02815.97
5.5.10.0080.04115.57
5.5.00.0120.03715.81
5.4.450.0040.04216.02
5.4.440.0110.04016.02
5.4.430.0080.03016.04
5.4.420.0030.03216.07
5.4.410.0040.03415.97
5.4.400.0050.04115.89
5.4.390.0070.04015.80
5.4.380.0080.04215.85
5.4.370.0070.03115.89
5.4.360.0100.03515.87
5.4.350.0100.02715.92
5.4.340.0070.02415.92
5.4.330.0030.00612.72
5.4.320.0060.02315.87
5.4.310.0050.03115.92
5.4.300.0020.03015.94
5.4.290.0050.03015.89
5.4.280.0090.03915.87
5.4.270.0050.02815.88
5.4.260.0050.02515.85
5.4.250.0100.03915.90
5.4.240.0090.03415.80
5.4.230.0080.03215.92
5.4.220.0020.04315.92
5.4.210.0020.04615.87
5.4.200.0080.04215.88
5.4.190.0020.04915.87
5.4.180.0140.02915.91
5.4.170.0040.04415.87
5.4.160.0090.03515.85
5.4.150.0120.03215.86
5.4.140.0050.02614.59
5.4.130.0070.03014.59
5.4.120.0020.04614.55
5.4.110.0110.03514.58
5.4.100.0130.03214.64
5.4.90.0080.04014.54
5.4.80.0040.03814.55
5.4.70.0080.02714.51
5.4.60.0070.03414.58
5.4.50.0000.02814.56
5.4.40.0060.02014.59
5.4.30.0070.04014.54
5.4.20.0010.03514.59
5.4.10.0070.04014.55
5.4.00.0060.04114.21
5.3.290.0080.01813.75
5.3.280.0060.04013.68
5.3.270.0030.04513.60
5.3.260.0100.03813.60
5.3.250.0100.03713.68
5.3.240.0070.04113.69
5.3.230.0050.04513.66
5.3.220.0030.04113.64
5.3.210.0080.02813.68
5.3.200.0080.03713.59
5.3.190.0080.04213.67
5.3.180.0070.04113.66
5.3.170.0050.03813.66
5.3.160.0040.04613.66
5.3.150.0070.04213.67
5.3.140.0070.02013.67
5.3.130.0030.02313.64
5.3.120.0120.03513.67
5.3.110.0070.02513.67
5.3.100.0030.04413.42
5.3.90.0080.03513.30
5.3.80.0000.03313.43
5.3.70.0030.02313.39
5.3.60.0050.01813.31
5.3.50.0080.03813.36
5.3.40.0030.04213.35
5.3.30.0070.02313.35
5.3.20.0050.02513.23
5.3.10.0050.02513.22
5.3.00.0030.02313.19
5.2.170.0070.06311.14
5.2.160.0030.05311.23
5.2.150.0070.06011.05
5.2.140.0000.04011.19
5.2.130.0030.05311.00
5.2.120.0100.05711.15
5.2.110.0130.02011.13
5.2.100.0070.02711.13
5.2.90.0000.04011.16
5.2.80.0030.06311.11
5.2.70.0070.06011.12
5.2.60.0130.05711.13
5.2.50.0030.03711.00
5.2.40.0030.03011.11
5.2.30.0070.06010.95
5.2.20.0070.06310.99
5.2.10.0070.05710.92
5.2.00.0000.03310.69
5.1.60.0000.02710.08
5.1.50.0070.0479.93
5.1.40.0100.0509.91
5.1.30.0030.04310.41
5.1.20.0030.06010.48
5.1.10.0000.04010.30
5.1.00.0030.03010.12
5.0.50.0000.0439.45
5.0.40.0030.0279.45
5.0.30.0070.0579.45
5.0.20.0030.0479.45
5.0.10.0070.0409.45
5.0.00.0000.0539.45
4.4.90.0030.0409.45
4.4.80.0000.0279.45
4.4.70.0000.0409.45
4.4.60.0030.0379.45
4.4.50.0000.0279.45
4.4.40.0000.0379.45
4.4.30.0000.0209.45
4.4.20.0030.0309.45
4.4.10.0070.0339.45
4.4.00.0030.0339.45
4.3.110.0070.0139.45
4.3.100.0000.0179.45
4.3.90.0030.0339.45
4.3.80.0000.0439.45
4.3.70.0070.0309.45
4.3.60.0030.0179.45
4.3.50.0030.0279.45
4.3.40.0000.0539.45
4.3.30.0000.0339.45
4.3.20.0000.0309.45
4.3.10.0000.0179.45
4.3.00.0000.0309.45

preferences:
51.57 ms | 400 KiB | 5 Q