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; } } $handler = new MySessionHandler(); session_set_save_handler($handler, true); session_start(); $_SESSION['foo'] = 'bar'; $handler->messages[] = session_id(); session_regenerate_id(); $handler->messages[] = session_id(); session_write_close(); session_start(); session_destroy(); $handler->messages[] = var_export($_SESSION, true); $handler->messages[] = session_id(); session_id('new'); session_start(); $_SESSION['john'] = 'doe'; var_dump($handler->messages);

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)
8.3.60.0060.01318.50
8.3.50.0160.00622.12
8.3.40.0090.00618.84
8.3.30.0030.01219.13
8.3.20.0040.00420.29
8.3.10.0050.00321.92
8.3.00.0030.00622.39
8.2.180.0130.00618.54
8.2.170.0100.00722.96
8.2.160.0100.00722.13
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0050.00319.48
8.2.110.0100.01022.33
8.2.100.0060.00618.03
8.2.90.0030.00619.07
8.2.80.0040.00418.04
8.2.70.0040.00417.75
8.2.60.0080.00018.05
8.2.50.0000.00818.07
8.2.40.0030.00518.13
8.2.30.0040.00418.13
8.2.20.0040.00417.78
8.2.10.0030.00517.80
8.2.00.0000.00717.82
8.1.280.0140.00025.92
8.1.270.0080.00022.14
8.1.260.0070.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.91
8.1.230.0070.00319.17
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0050.00317.28
8.1.180.0040.00418.10
8.1.170.0050.00318.57
8.1.160.0000.00722.14
8.1.150.0000.01018.72
8.1.140.0000.00717.52
8.1.130.0000.00817.84
8.1.120.0040.00417.45
8.1.110.0000.00717.36
8.1.100.0030.00317.33
8.1.90.0040.00417.32
8.1.80.0040.00417.50
8.1.70.0000.00717.37
8.1.60.0000.00917.59
8.1.50.0060.00317.42
8.1.40.0040.00417.41
8.1.30.0040.00417.63
8.1.20.0030.00617.71
8.1.10.0030.00517.57
8.1.00.0040.00417.47
8.0.300.0000.00718.77
8.0.290.0050.00317.16
8.0.280.0040.00418.39
8.0.270.0070.00017.27
8.0.260.0030.00316.89
8.0.250.0040.00416.93
8.0.240.0000.00716.93
8.0.230.0070.00016.88
8.0.220.0030.00316.97
8.0.210.0000.00716.90
8.0.200.0040.00417.02
8.0.190.0050.00217.01
8.0.180.0000.00716.97
8.0.170.0000.00816.98
8.0.160.0050.00317.02
8.0.150.0040.00416.93
8.0.140.0000.00716.96
8.0.130.0050.00013.36
8.0.120.0040.00416.90
8.0.110.0000.00817.04
8.0.100.0040.00416.78
8.0.90.0050.00216.98
8.0.80.0110.01116.88
8.0.70.0000.00716.84
8.0.60.0000.00717.00
8.0.50.0060.00317.09
8.0.30.0090.01017.25
8.0.20.0130.00617.40
8.0.10.0080.00017.05
8.0.00.0180.00716.90
7.4.330.0030.00315.00
7.4.320.0070.00016.54
7.4.300.0030.00316.66
7.4.290.0070.00016.50
7.4.280.0000.00716.61
7.4.270.0030.00316.54
7.4.260.0030.00616.42
7.4.250.0080.00016.57
7.4.240.0060.00216.56
7.4.230.0000.00816.48
7.4.220.0140.00316.57
7.4.210.0060.01116.58
7.4.200.0030.00316.71
7.4.190.0050.00216.61
7.4.160.0130.00316.63
7.4.150.0090.00917.40
7.4.140.0110.01117.86
7.4.130.0120.00816.54
7.4.120.0090.00916.61
7.4.110.0060.01016.58
7.4.100.0110.00716.59
7.4.90.0110.00716.42
7.4.80.0100.01119.39
7.4.70.0040.01216.62
7.4.60.0120.01616.61
7.4.50.0040.00416.46
7.4.40.0040.01122.77
7.4.30.0000.01716.48
7.4.00.0050.01214.94
7.3.330.0030.00313.41
7.3.320.0050.00013.38
7.3.310.0080.00016.38
7.3.300.0070.00016.46
7.3.290.0100.00716.39
7.3.280.0120.00416.41
7.3.270.0180.00517.40
7.3.260.0060.01216.30
7.3.250.0170.00616.51
7.3.240.0190.00016.39
7.3.230.0030.01416.65
7.3.210.0090.00916.56
7.3.200.0070.01019.39
7.3.190.0040.01116.49
7.3.180.0060.01016.48
7.3.170.0060.01016.36
7.3.160.0120.00816.54
7.3.120.0080.00814.98
7.3.110.0090.00814.81
7.3.100.0060.00614.88
7.3.90.0100.00314.74
7.3.80.0100.00714.94
7.3.70.0060.00614.87
7.3.60.0080.00614.60
7.3.50.0050.00814.82
7.3.40.0100.00415.03
7.3.30.0090.00315.04
7.3.20.0040.01316.54
7.3.10.0080.01016.60
7.3.00.0060.00716.68
7.2.330.0110.00816.59
7.2.320.0100.01016.43
7.2.310.0070.01116.38
7.2.300.0040.01216.66
7.2.290.0100.00616.82
7.2.250.0030.01415.13
7.2.240.0070.01314.97
7.2.230.0100.00715.02
7.2.220.0110.00314.92
7.2.210.0050.00914.81
7.2.200.0030.01015.05
7.2.190.0080.00515.12
7.2.180.0060.00815.14
7.2.170.0080.00615.09
7.2.160.0000.01415.33
7.2.150.0070.01017.12
7.2.140.0060.00616.70
7.2.130.0050.01016.86
7.2.120.0120.00316.66
7.2.110.0100.00816.88
7.2.100.0110.00516.78
7.2.90.0110.00516.82
7.2.80.0150.00816.81
7.2.70.0170.00916.77
7.2.60.0090.01016.82
7.2.50.0080.01516.52
7.2.40.0070.00816.97
7.2.30.0190.01416.72
7.2.20.0100.00816.59
7.2.10.0180.01216.75
7.2.00.0150.00717.61
7.1.330.0080.00615.91
7.1.320.0050.01015.64
7.1.310.0060.00815.79
7.1.300.0050.00915.64
7.1.290.0080.00615.55
7.1.280.0060.00515.68
7.1.270.0050.01015.80
7.1.260.0110.00215.64
7.1.250.0070.00715.46
7.1.240.0060.00615.71
7.1.230.0030.01015.52
7.1.220.0030.01215.69
7.1.210.0000.00915.84
7.1.200.0070.00715.53
7.1.190.0030.01215.48
7.1.180.0070.01115.89
7.1.170.0000.01515.70
7.1.160.0100.00715.85
7.1.150.0070.00715.61
7.1.140.0080.00815.50
7.1.130.0130.00315.59
7.1.120.0030.01015.90
7.1.110.0030.01415.88
7.1.100.0080.00516.82
7.1.90.0090.00615.82
7.1.80.0030.01015.71
7.1.70.0060.00816.22
7.1.60.0090.01017.86
7.1.50.0030.01416.26
7.1.40.0040.01115.48
7.1.30.0030.01215.80
7.1.20.0110.00415.69
7.1.10.0030.00815.51
7.1.00.0000.04719.14
7.0.330.0000.01315.30
7.0.320.0030.01015.30
7.0.310.0000.01715.50
7.0.300.0070.00715.38
7.0.290.0030.01315.38
7.0.280.0000.01215.37
7.0.270.0030.01015.46
7.0.260.0070.00415.28
7.0.250.0040.00815.63
7.0.240.0000.01415.59
7.0.230.0100.00715.36
7.0.220.0120.00315.55
7.0.210.0060.01015.36
7.0.200.0020.00816.05
7.0.190.0160.00015.54
7.0.180.0100.00615.58
7.0.170.0040.01215.22
7.0.160.0040.00715.57
7.0.150.0060.00615.52
7.0.140.0100.03718.77
7.0.130.0000.00815.22
7.0.120.0070.00715.34
7.0.110.0120.00315.52
7.0.100.0060.01215.45
7.0.90.0040.00715.50
7.0.80.0100.00315.24
7.0.70.0110.00415.27
7.0.60.0820.03817.68
7.0.50.0080.03316.63
7.0.40.0050.03916.84
7.0.30.0180.04316.72
7.0.20.0130.03216.94
7.0.10.0030.05216.98
7.0.00.0080.04016.80
5.6.400.0040.01214.51
5.6.390.0030.00614.72
5.6.380.0080.00814.41
5.6.370.0000.01714.70
5.6.360.0030.00714.73
5.6.350.0030.01314.24
5.6.340.0070.00314.80
5.6.330.0060.01114.61
5.6.320.0110.00814.41
5.6.310.0060.00314.58
5.6.300.0030.01314.71
5.6.290.0060.00614.26
5.6.280.0040.04217.79
5.6.270.0000.01014.71
5.6.260.0090.00314.71
5.6.250.0110.00714.42
5.6.240.0100.00714.44
5.6.230.0080.00614.66
5.6.220.0030.01014.18
5.6.210.0060.04417.54
5.6.200.0030.04916.41
5.6.190.0020.04717.59
5.6.180.0250.04317.40
5.6.170.0080.02717.36
5.6.160.0060.04617.45
5.6.150.0080.02416.23
5.6.140.0060.02816.16
5.6.130.0110.04116.26
5.6.120.0050.04417.83
5.6.110.0070.04517.71
5.6.100.0070.04417.71
5.6.90.0080.01817.54
5.6.80.0080.02517.42
5.6.70.0090.00914.52
5.6.60.0060.00314.43
5.6.50.0070.00714.15
5.6.40.0000.01014.30
5.6.30.0070.01014.29
5.6.20.0040.01114.64
5.6.10.0170.00014.54
5.6.00.0110.00414.43
5.5.380.0100.00314.43
5.5.370.0080.00814.41
5.5.360.0030.01014.70
5.5.350.0290.03817.46
5.5.340.0080.02316.18
5.5.330.0090.03117.46
5.5.320.0030.04717.27
5.5.310.0150.02517.38
5.5.300.0080.03716.28
5.5.290.0080.02516.21
5.5.280.0080.04517.76
5.5.270.0100.04017.73
5.5.260.0050.03317.77
5.5.250.0060.03517.59
5.5.240.0020.02317.37
5.5.230.0060.00614.16
5.5.220.0090.00614.51
5.5.210.0040.00914.32
5.5.200.0040.00714.40
5.5.190.0030.01014.27
5.5.180.0030.00914.26
5.5.170.0040.00414.29
5.5.160.0150.00014.00
5.5.150.0120.00414.27
5.5.140.0030.00914.46
5.5.130.0030.01014.59
5.5.120.0040.01214.38
5.5.110.0030.00714.16
5.5.100.0070.00714.44
5.5.90.0000.01214.16
5.5.80.0050.00514.30
5.5.70.0140.00014.16
5.5.60.0000.00914.47
5.5.50.0120.00614.23
5.5.40.0100.00714.30
5.5.30.0060.00913.87
5.5.20.0000.00914.12
5.5.10.0110.00414.36
5.5.00.0000.01714.34
5.4.450.0250.03415.75
5.4.440.0130.02815.69
5.4.430.0070.03015.71
5.4.420.0110.02815.71
5.4.410.0080.03115.67
5.4.400.0480.00315.40
5.4.390.0480.00315.34
5.4.380.0180.02815.19
5.4.370.0060.02815.34
5.4.360.0250.02815.33
5.4.350.0080.03215.37
5.4.340.0100.03115.24
5.4.330.0090.00011.90
5.4.320.0030.02212.21
5.4.310.0040.02312.21
5.4.300.0080.02112.21
5.4.290.0020.02712.20
5.4.280.0070.02012.15
5.4.270.0060.02212.15
5.4.260.0030.02512.15
5.4.250.0080.02212.15
5.4.240.0050.02212.14
5.4.230.0080.02212.14
5.4.220.0030.02312.14
5.4.210.0050.02212.14
5.4.200.0090.02112.14
5.4.190.0050.02312.14
5.4.180.0050.03212.14
5.4.170.0080.02812.15
5.4.160.0060.02312.14
5.4.150.0070.02012.14
5.4.140.0020.02511.99
5.4.130.0090.02111.98
5.4.120.0090.01911.96
5.4.110.0060.02111.96
5.4.100.0050.02111.96
5.4.90.0070.02211.96
5.4.80.0050.02211.96
5.4.70.0060.02111.95
5.4.60.0040.02011.96
5.4.50.0060.02611.95
5.4.40.0060.02011.95
5.4.30.0060.02211.95
5.4.20.0060.02211.95
5.4.10.0040.02111.95
5.4.00.0050.02211.69
5.3.290.0060.02512.35
5.3.280.0040.02312.30
5.3.270.0030.02512.31
5.3.260.0060.02112.31
5.3.250.0050.02212.31
5.3.240.0040.02412.31
5.3.230.0080.02212.30
5.3.220.0060.02612.29
5.3.210.0070.03212.29
5.3.200.0070.02512.29
5.3.190.0040.03012.29
5.3.180.0080.02712.29
5.3.170.0090.01912.28
5.3.160.0050.02312.29
5.3.150.0060.02012.29
5.3.140.0050.02112.28
5.3.130.0070.02512.28
5.3.120.0060.03212.28
5.3.110.0070.02712.28
5.3.100.0080.02312.01
5.3.90.0060.02112.00
5.3.80.0040.02311.99
5.3.70.0060.01911.99
5.3.60.0060.02111.98
5.3.50.0040.02211.96
5.3.40.0030.02411.96
5.3.30.0060.01811.94
5.3.20.0060.01711.83
5.3.10.0040.02011.81
5.3.00.0020.02411.81
5.2.170.0060.0419.20
5.2.160.0090.0379.20
5.2.150.0060.0299.20
5.2.140.0060.0359.20
5.2.130.0060.0289.16
5.2.120.0080.0279.16
5.2.110.0060.0299.17
5.2.100.0080.0269.17
5.2.90.0060.0299.16
5.2.80.0040.0319.16
5.2.70.0040.0319.16
5.2.60.0060.0349.12
5.2.50.0050.0359.09
5.2.40.0040.0329.06
5.2.30.0030.0329.04
5.2.20.0040.0299.02
5.2.10.0050.0288.93
5.2.00.0120.0268.80
5.1.60.0060.0308.08
5.1.50.0080.0218.09
5.1.40.0050.0248.06
5.1.30.0020.0298.41
5.1.20.0040.0288.44
5.1.10.0050.0258.16
5.1.00.0050.0268.16
5.0.50.0040.0206.63
5.0.40.0050.0186.50
5.0.30.0050.0306.30
5.0.20.0030.0236.27
5.0.10.0090.0196.25
5.0.00.0020.0356.24
4.4.90.0040.0164.78
4.4.80.0040.0184.75
4.4.70.0040.0144.75
4.4.60.0060.0144.75
4.4.50.0020.0164.77
4.4.40.0020.0274.71
4.4.30.0010.0174.76
4.4.20.0020.0164.85
4.4.10.0040.0144.85
4.4.00.0040.0274.76
4.3.110.0040.0214.67
4.3.100.0030.0154.66
4.3.90.0040.0134.63
4.3.80.0050.0224.58
4.3.70.0030.0154.63
4.3.60.0020.0154.63
4.3.50.0020.0164.63
4.3.40.0030.0234.53
4.3.30.0040.0163.28
4.3.20.0010.0213.26
4.3.10.0020.0163.23
4.3.00.0030.0207.18

preferences:
42.52 ms | 401 KiB | 5 Q