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_destroy(); 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)
8.3.60.0080.01118.56
8.3.50.0070.00922.09
8.3.40.0110.00718.98
8.3.30.0060.00919.04
8.3.20.0040.00420.38
8.3.10.0000.00721.92
8.3.00.0080.00022.45
8.2.180.0120.00416.63
8.2.170.0090.00622.96
8.2.160.0120.00320.90
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00526.16
8.2.120.0090.00019.38
8.2.110.0030.00722.08
8.2.100.0120.00017.97
8.2.90.0040.00418.15
8.2.80.0000.00817.97
8.2.70.0060.00317.62
8.2.60.0080.00018.03
8.2.50.0070.00318.07
8.2.40.0000.00818.22
8.2.30.0100.00018.22
8.2.20.0000.00817.82
8.2.10.0050.00317.66
8.2.00.0000.00717.66
8.1.280.0030.01425.92
8.1.270.0060.00322.03
8.1.260.0000.00826.35
8.1.250.0030.00528.09
8.1.240.0030.00722.23
8.1.230.0040.00720.86
8.1.220.0040.00417.79
8.1.210.0040.00418.98
8.1.200.0060.00617.23
8.1.190.0080.00017.63
8.1.180.0070.00318.10
8.1.170.0030.00618.50
8.1.160.0000.00821.97
8.1.150.0000.00718.61
8.1.140.0040.00417.45
8.1.130.0040.00417.87
8.1.120.0000.00717.42
8.1.110.0080.00217.46
8.1.100.0050.00317.48
8.1.90.0020.00517.36
8.1.80.0040.00417.50
8.1.70.0030.00317.47
8.1.60.0000.00917.52
8.1.50.0040.00417.43
8.1.40.0000.00717.46
8.1.30.0040.00417.72
8.1.20.0050.00317.66
8.1.10.0000.00717.66
8.1.00.0060.00317.58
8.0.300.0000.00720.07
8.0.290.0000.00717.05
8.0.280.0030.00318.52
8.0.270.0040.00417.23
8.0.260.0000.00616.93
8.0.250.0100.00016.94
8.0.240.0030.00316.99
8.0.230.0000.00717.04
8.0.220.0030.00317.00
8.0.210.0000.00716.91
8.0.200.0000.00617.06
8.0.190.0000.00716.95
8.0.180.0070.00017.03
8.0.170.0090.00016.97
8.0.160.0070.00017.00
8.0.150.0090.00317.00
8.0.140.0040.00416.88
8.0.130.0000.00613.38
8.0.120.0030.00517.01
8.0.110.0070.00016.95
8.0.100.0040.00416.88
8.0.90.0050.00216.78
8.0.80.0040.01117.00
8.0.70.0030.00516.79
8.0.60.0040.00417.06
8.0.50.0040.00417.04
8.0.30.0100.00917.21
8.0.20.0090.01017.40
8.0.10.0050.00216.97
8.0.00.0110.00616.75
7.4.330.0000.00515.00
7.4.320.0000.00616.56
7.4.300.0030.00316.65
7.4.290.0070.00016.46
7.4.280.0050.00316.55
7.4.270.0000.00716.65
7.4.260.0040.00416.52
7.4.250.0030.00616.46
7.4.240.0070.00016.54
7.4.230.0000.00716.37
7.4.220.0190.00616.75
7.4.210.0080.00716.59
7.4.200.0030.00316.52
7.4.190.0040.00416.66
7.4.160.0060.01216.74
7.4.150.0120.00617.40
7.4.140.0090.01017.86
7.4.130.0090.01116.65
7.4.120.0080.00916.60
7.4.110.0050.01316.48
7.4.100.0150.00816.70
7.4.90.0160.01316.51
7.4.80.0170.00719.39
7.4.70.0040.01316.63
7.4.60.0060.00916.42
7.4.50.0030.00616.30
7.4.40.0100.01022.77
7.4.30.0160.00416.46
7.4.00.0080.01014.98
7.3.330.0000.00513.24
7.3.320.0050.00013.46
7.3.310.0040.00416.27
7.3.300.0060.00016.47
7.3.290.0130.00616.47
7.3.280.0120.00716.44
7.3.270.0120.00917.40
7.3.260.0090.00916.55
7.3.250.0140.00316.60
7.3.240.0110.00716.43
7.3.230.0120.00616.49
7.3.210.0110.00716.43
7.3.200.0090.00919.39
7.3.190.0030.01316.47
7.3.180.0070.01016.47
7.3.170.0120.00416.38
7.3.160.0110.00616.38
7.3.120.0060.01015.05
7.3.110.0110.00715.05
7.3.100.0080.00414.88
7.3.90.0070.01114.84
7.3.80.0000.01014.56
7.3.70.0100.00315.02
7.3.60.0070.00714.93
7.3.50.0160.00014.84
7.3.40.0070.01114.90
7.3.30.0040.01115.01
7.3.20.0040.00416.46
7.3.10.0070.00716.40
7.3.00.0090.00616.71
7.2.330.0120.00616.58
7.2.320.0100.01316.52
7.2.310.0090.01216.79
7.2.300.0090.00916.83
7.2.290.0110.00716.59
7.2.250.0070.01115.12
7.2.240.0060.01015.28
7.2.230.0060.00915.24
7.2.220.0030.01315.11
7.2.210.0030.01514.97
7.2.200.0000.01314.95
7.2.190.0070.00714.92
7.2.180.0060.01315.20
7.2.170.0100.00714.96
7.2.110.0160.00616.55
7.2.60.0090.00617.05
7.2.00.0040.00819.29
7.1.330.0030.01015.97
7.1.320.0000.01815.75
7.1.310.0090.00615.90
7.1.300.0060.00315.85
7.1.290.0050.00516.02
7.1.280.0030.01015.84
7.1.270.0000.01115.55
7.1.260.0060.00615.70
7.1.200.0100.00315.87
7.1.100.0030.01018.12
7.1.70.0000.01516.92
7.1.60.0070.01819.82
7.1.50.0060.01617.14
7.1.00.0070.07322.27
7.0.200.0030.00616.95
7.0.140.0030.07322.21
7.0.100.0070.08019.95
7.0.90.0230.08019.95
7.0.80.0200.04319.89
7.0.70.0170.05319.95
7.0.60.0200.07319.98
7.0.50.0070.05020.36
7.0.40.0070.06020.09
7.0.30.0070.05320.05
7.0.20.0000.04720.12
7.0.10.0100.07320.16
7.0.00.0070.06319.95
5.6.280.0030.07020.93
5.6.250.0000.08320.64
5.6.240.0100.08020.77
5.6.230.0070.05320.65
5.6.220.0070.06720.62
5.6.210.0070.05720.50
5.6.200.0170.05720.96
5.6.190.0030.04020.95
5.6.180.0130.06020.93
5.6.170.0070.04321.03
5.6.160.0030.08721.02
5.6.150.0030.06321.07
5.6.140.0030.05321.05
5.6.130.0070.05721.05
5.6.120.0030.06021.03
5.6.110.0070.04021.02
5.6.100.0030.04320.96
5.6.90.0000.05021.02
5.6.80.0100.08320.51
5.6.70.0000.06720.41
5.6.60.0070.05020.50
5.6.50.0170.07320.47
5.6.40.0000.04720.53
5.6.30.0070.03720.54
5.6.20.0070.04020.45
5.6.10.0030.03720.46
5.6.00.0100.03320.27
5.5.380.0070.08320.39
5.5.370.0100.05020.43
5.5.360.0100.03720.39
5.5.350.0070.08320.44
5.5.340.0070.05020.74
5.5.330.0030.04320.81
5.5.320.0000.05320.77
5.5.310.0030.07720.93
5.5.300.0130.03720.91
5.5.290.0030.04320.89
5.5.280.0030.05020.83
5.5.270.0030.05720.86
5.5.260.0070.03720.93
5.5.250.0070.08020.71
5.5.240.0070.04320.23
5.5.230.0130.07320.16
5.5.220.0130.06720.26
5.5.210.0070.04320.27
5.5.200.0100.07320.14
5.5.190.0030.04020.14
5.5.180.0030.04020.25
5.5.160.0130.03720.14
5.5.150.0100.03320.20
5.5.140.0070.03320.27
5.5.130.0170.03020.13
5.5.120.0070.03720.24
5.5.110.0000.04320.23
5.5.100.0030.05320.10
5.5.90.0030.03719.98
5.5.80.0100.03320.14
5.5.70.0000.04320.16
5.5.60.0030.04320.07
5.5.50.0070.03720.07
5.5.40.0000.03720.06
5.5.30.0030.03020.10
5.5.20.0070.03020.06
5.5.10.0000.04719.98
5.5.00.0070.03719.93
5.4.450.0030.04019.42
5.4.440.0000.04319.35
5.4.430.0030.04019.48
5.4.420.0070.08019.55
5.4.410.0070.08019.10
5.4.400.0070.08019.17
5.4.390.0070.07019.03
5.4.380.0170.05019.03
5.4.370.0070.07019.16
5.4.360.0170.06719.05
5.4.350.0070.05019.07
5.4.340.0070.03719.04
5.4.320.0000.04019.05
5.4.310.0070.03319.23
5.4.300.0030.03718.84
5.4.290.0070.03719.13
5.4.280.0000.03719.04
5.4.270.0000.03719.16
5.4.260.0070.04718.94
5.4.250.0100.03019.18
5.4.240.0000.04018.91
5.4.230.0070.02718.91
5.4.220.0000.04019.22
5.4.210.0030.03019.02
5.4.200.0070.03319.02
5.4.190.0000.04019.13
5.4.180.0000.04018.93
5.4.170.0070.03318.89
5.4.160.0100.02319.07
5.4.150.0070.02719.14
5.4.140.0000.04016.48
5.4.130.0030.03316.38
5.4.120.0000.03716.26
5.4.110.0000.03716.39
5.4.100.0030.03716.45
5.4.90.0030.03316.28
5.4.80.0030.03316.41
5.4.70.0070.06016.34
5.4.60.0070.07016.34
5.4.50.0000.07716.31
5.4.40.0030.03716.46
5.4.30.0000.04016.33
5.4.20.0030.07016.36
5.4.10.0030.08016.40
5.4.00.0000.06715.91
5.3.290.0030.04714.74
5.3.280.0070.03314.63
5.3.270.0000.04014.75
5.3.260.0000.03314.68
5.3.250.0070.02714.71
5.3.240.0070.02714.72
5.3.230.0070.03014.72
5.3.220.0030.03714.55
5.3.210.0000.03314.63
5.3.200.0030.03714.53
5.3.190.0000.04014.63
5.3.180.0030.03714.70
5.3.170.0070.07714.50
5.3.160.0070.07014.57
5.3.150.0070.06714.53
5.3.140.0000.04014.63
5.3.130.0070.07714.70
5.3.120.0100.07714.49
5.3.110.0070.03714.49
5.3.100.0070.07714.19
5.3.90.0000.03314.14
5.3.80.0030.07013.96
5.3.70.0100.07014.13
5.3.60.0070.04014.05
5.3.50.0070.03014.02
5.3.40.0030.05713.98
5.3.30.0070.03013.94
5.3.20.0000.07713.84
5.3.10.0030.04713.64
5.3.00.0070.05313.71
5.2.170.0100.05712.68
5.2.160.0000.06712.68
5.2.150.0000.03012.68
5.2.140.0070.04712.68
5.2.130.0070.05312.68
5.2.120.0000.06012.68
5.2.110.0030.03712.68
5.2.100.0070.05012.68
5.2.90.0000.03312.68
5.2.80.0030.02712.68
5.2.70.0030.02712.68
5.2.60.0130.05712.68
5.2.50.0030.05312.68
5.2.40.0000.06312.68
5.2.30.0070.02312.68
5.2.20.0030.02712.68
5.2.10.0070.06012.68
5.2.00.0100.05012.68
5.1.60.0000.04312.68
5.1.50.0130.03312.68
5.1.40.0000.03012.68
5.1.30.0030.04712.68
5.1.20.0030.05712.68
5.1.10.0070.05312.68
5.1.00.0000.05712.68
5.0.50.0000.02312.68
5.0.40.0000.03012.68
5.0.30.0000.03012.68
5.0.20.0000.02712.68
5.0.10.0030.01712.68
5.0.00.0030.04012.68
4.4.90.0070.02312.68
4.4.80.0000.02012.68
4.4.70.0030.03312.68
4.4.60.0030.02012.68
4.4.50.0030.03312.68
4.4.40.0000.05312.68
4.4.30.0030.03312.68
4.4.20.0070.02712.68
4.4.10.0030.01312.68
4.4.00.0030.04012.68
4.3.110.0030.03312.68
4.3.100.0030.01712.68
4.3.90.0030.03312.68
4.3.80.0000.05712.68
4.3.70.0000.03712.68
4.3.60.0000.01712.68
4.3.50.0000.03312.68
4.3.40.0030.02012.68
4.3.30.0000.01712.68
4.3.20.0000.03312.68
4.3.10.0000.02312.68
4.3.00.0030.01312.68

preferences:
42.23 ms | 400 KiB | 5 Q