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(); var_dump(constant('SID')); var_dump(session_id()); 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)
8.3.60.0100.00718.43
8.3.50.0240.01222.02
8.3.40.0120.00318.92
8.3.30.0090.00619.18
8.3.20.0070.00020.34
8.3.10.0090.00023.36
8.3.00.0080.00019.25
8.2.180.0140.00716.75
8.2.170.0120.00322.96
8.2.160.0100.00320.44
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0030.00622.07
8.2.110.0050.00520.56
8.2.100.0120.00018.03
8.2.90.0050.00317.75
8.2.80.0040.00418.73
8.2.70.0040.00417.63
8.2.60.0080.00017.93
8.2.50.0080.00018.07
8.2.40.0030.00518.07
8.2.30.0040.00418.09
8.2.20.0000.00717.75
8.2.10.0000.00718.17
8.2.00.0050.00217.91
8.1.280.0090.00625.92
8.1.270.0070.01522.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00419.02
8.1.230.0050.00517.64
8.1.220.0040.00417.78
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0040.00418.84
8.1.160.0040.00418.82
8.1.150.0040.00418.99
8.1.140.0040.00418.86
8.1.130.0040.00417.54
8.1.120.0000.00817.57
8.1.110.0060.00317.44
8.1.100.0000.00717.53
8.1.90.0000.00717.46
8.1.80.0030.00517.41
8.1.70.0000.00717.31
8.1.60.0060.00317.69
8.1.50.0030.00617.65
8.1.40.0030.00617.54
8.1.30.0060.00317.75
8.1.20.0080.00017.59
8.1.10.0000.00717.48
8.1.00.0030.00517.42
8.0.300.0070.00018.77
8.0.290.0030.00516.88
8.0.280.0070.00018.41
8.0.270.0100.00016.84
8.0.260.0000.00716.85
8.0.250.0070.00017.11
8.0.240.0090.00016.96
8.0.230.0040.00417.08
8.0.220.0060.00317.01
8.0.210.0000.00616.93
8.0.200.0030.00517.06
8.0.190.0030.00617.14
8.0.180.0070.00017.04
8.0.170.0000.00817.05
8.0.160.0070.00016.98
8.0.150.0050.00216.88
8.0.140.0080.00016.96
8.0.130.0070.00013.39
8.0.120.0080.00017.01
8.0.110.0050.00316.98
8.0.100.0000.00717.01
8.0.90.0040.00416.95
8.0.80.0070.01617.07
8.0.70.0070.00017.00
8.0.60.0040.00416.91
8.0.50.0000.00717.02
8.0.30.0160.00417.00
8.0.20.0050.01517.40
8.0.10.0030.00617.13
8.0.00.0110.00616.66
7.4.330.0050.00015.00
7.4.320.0060.00016.48
7.4.300.0030.00316.63
7.4.290.0070.00016.65
7.4.280.0030.00716.72
7.4.270.0000.00716.69
7.4.260.0050.00316.63
7.4.250.0040.00416.59
7.4.240.0020.00516.52
7.4.230.0030.00316.43
7.4.220.0150.01216.63
7.4.210.0040.01116.76
7.4.200.0070.00016.45
7.4.160.0060.00916.36
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0090.00916.56
7.4.120.0120.00816.66
7.4.110.0130.00716.45
7.4.100.0130.00816.74
7.4.90.0150.00316.62
7.4.80.0060.01219.39
7.4.70.0060.00916.44
7.4.60.0150.00216.68
7.4.50.0000.00916.53
7.4.40.0170.00016.38
7.4.30.0080.00916.52
7.4.10.0110.00715.04
7.4.00.0080.00915.17
7.3.330.0060.00013.25
7.3.320.0050.00013.29
7.3.310.0030.00316.49
7.3.300.0000.00816.51
7.3.290.0100.00716.43
7.3.280.0090.00916.45
7.3.270.0060.01217.40
7.3.260.0080.00816.64
7.3.250.0090.00816.48
7.3.240.0200.00516.71
7.3.230.0120.00416.48
7.3.210.0070.01016.32
7.3.200.0060.01019.39
7.3.190.0040.01616.45
7.3.180.0120.00416.35
7.3.170.0100.00716.36
7.3.160.0070.01016.57
7.3.130.0130.00614.73
7.3.120.0090.00915.15
7.3.110.0130.00614.91
7.3.100.0060.00615.22
7.3.90.0080.00414.97
7.3.80.0100.00714.69
7.3.70.0110.00414.93
7.3.60.0100.00314.76
7.3.50.0090.00014.71
7.3.40.0030.00714.90
7.3.30.0030.01514.99
7.3.20.0040.00716.84
7.3.10.0080.00516.80
7.3.00.0030.01116.49
7.2.330.0120.00616.51
7.2.320.0030.01416.79
7.2.310.0070.01016.79
7.2.300.0030.01416.61
7.2.290.0030.01516.55
7.2.260.0030.01315.20
7.2.250.0040.01415.09
7.2.240.0100.00315.01
7.2.230.0030.00915.04
7.2.220.0000.01015.33
7.2.210.0080.00815.37
7.2.200.0000.01415.10
7.2.190.0060.00614.98
7.2.180.0040.00815.07
7.2.170.0000.00915.25
7.2.160.0000.01315.18
7.2.150.0040.00816.80
7.2.140.0060.00316.84
7.2.130.0120.00316.86
7.2.120.0070.00717.11
7.2.110.0030.00816.95
7.2.100.0020.01216.89
7.2.90.0040.01016.86
7.2.80.0050.00917.04
7.2.70.0040.00616.95
7.2.60.0090.00717.01
7.2.50.0050.00917.04
7.2.40.0080.00617.02
7.2.30.0070.00717.13
7.2.20.0050.01016.92
7.2.10.0030.01116.83
7.2.00.0060.00816.86
7.1.330.0040.01115.78
7.1.320.0100.00315.98
7.1.310.0040.01115.67
7.1.300.0070.00415.77
7.1.290.0060.00615.76
7.1.280.0030.00515.78
7.1.270.0070.00715.80
7.1.260.0030.00515.58
7.1.250.0080.00415.62
7.1.240.0060.00915.99
7.1.230.0030.00715.97
7.1.220.0040.00415.77
7.1.210.0030.01015.71
7.1.200.0100.00315.66
7.1.190.0040.00415.71
7.1.180.0000.01515.77
7.1.170.0100.00315.71
7.1.160.0060.00615.95
7.1.150.0030.00615.98
7.1.140.0040.01115.64
7.1.130.0100.00615.87
7.1.120.0130.00015.90
7.1.110.0070.01015.95
7.1.100.0070.00916.77
7.1.90.0090.00315.95
7.1.80.0000.01115.81
7.1.70.0050.01316.47
7.1.60.0060.01317.38
7.1.50.0160.01025.30
7.1.40.0140.00015.59
7.1.30.0000.00815.90
7.1.20.0140.00015.93
7.1.10.0100.00715.47
7.1.00.0070.04118.99
7.0.330.0070.00715.34
7.0.320.0030.00715.34
7.0.310.0070.01015.37
7.0.300.0070.00715.47
7.0.290.0000.01215.13
7.0.280.0070.00715.52
7.0.270.0090.00615.04
7.0.260.0080.00415.16
7.0.250.0030.01015.64
7.0.240.0100.00715.55
7.0.230.0070.00715.56
7.0.220.0040.00815.39
7.0.210.0030.01315.33
7.0.200.0040.00415.96
7.0.190.0040.00715.23
7.0.180.0090.00615.51
7.0.170.0070.00015.25
7.0.160.0150.00315.38
7.0.150.0030.00615.28
7.0.140.0060.04018.76
7.0.130.0040.00415.42
7.0.120.0030.01015.61
7.0.110.0030.01015.49
7.0.100.0070.00715.50
7.0.90.0000.01715.40
7.0.80.0060.00315.40
7.0.70.0030.01315.38
7.0.60.0120.03717.69
7.0.50.0050.03816.65
7.0.40.0100.04516.81
7.0.30.0150.02116.81
7.0.20.0230.03516.85
7.0.10.0200.04216.83
7.0.00.0020.03116.84
5.6.400.0030.00614.63
5.6.390.0030.01214.67
5.6.380.0070.00314.14
5.6.370.0070.00314.31
5.6.360.0110.00614.75
5.6.350.0040.01114.92
5.6.340.0090.00414.27
5.6.330.0030.00614.37
5.6.320.0040.01114.32
5.6.310.0060.00914.48
5.6.300.0070.01014.61
5.6.290.0060.01214.79
5.6.280.0050.03717.53
5.6.270.0060.00614.45
5.6.260.0090.00614.19
5.6.250.0040.01114.20
5.6.240.0000.01414.39
5.6.230.0030.01014.50
5.6.220.0030.00914.63
5.6.210.0650.03517.58
5.6.200.0080.04416.41
5.6.190.0050.05017.54
5.6.180.1650.02817.58
5.6.170.0120.03117.40
5.6.160.0050.05017.63
5.6.150.0020.04916.25
5.6.140.0030.04616.29
5.6.130.0080.04216.41
5.6.120.0080.03517.81
5.6.110.0120.04717.78
5.6.100.0080.03517.77
5.6.90.0120.04017.81
5.6.80.0030.02317.46
5.6.70.2000.02317.52
5.6.60.0090.00614.35
5.6.50.0000.01714.36
5.6.40.0040.00714.18
5.6.30.0120.00314.47
5.6.20.0030.01314.52
5.6.10.0100.00314.36
5.6.00.0070.00714.11
5.5.380.0120.00314.55
5.5.370.0060.00614.19
5.5.360.0100.00314.61
5.5.350.0160.03217.22
5.5.340.0020.02716.34
5.5.330.0130.04017.44
5.5.320.0130.02817.46
5.5.310.0220.03817.14
5.5.300.0070.02216.25
5.5.290.0030.02616.23
5.5.280.0080.04617.60
5.5.270.0050.05017.73
5.5.260.0050.02517.76
5.5.250.0150.04017.42
5.5.240.0130.02817.37
5.5.230.0090.00614.23
5.5.220.0090.00614.45
5.5.210.0090.00614.29
5.5.200.0030.01314.29
5.5.190.0160.00014.37
5.5.180.0030.01314.35
5.5.170.0160.00014.11
5.5.160.0090.00614.46
5.5.150.0060.00914.26
5.5.140.0030.01314.53
5.5.130.0100.00714.32
5.5.120.0120.00314.25
5.5.110.0070.01014.39
5.5.100.0120.00314.19
5.5.90.0030.01314.23
5.5.80.0030.01014.17
5.5.70.0040.01214.23
5.5.60.0030.01014.27
5.5.50.0030.01014.22
5.5.40.0120.00614.59
5.5.30.0110.00714.17
5.5.20.0000.01414.04
5.5.10.0040.01414.41
5.5.00.0070.01014.23
5.4.450.0500.03916.23
5.4.440.0570.03816.28
5.4.430.0590.03416.35
5.4.420.0680.04316.26
5.4.410.0600.03116.28
5.4.400.0580.03516.21
5.4.390.0500.03516.23
5.4.380.0530.03516.19
5.4.370.0510.03516.25
5.4.360.0510.03116.12
5.4.350.0550.03616.23
5.4.340.0640.03016.19
5.4.330.0060.00613.24
5.4.320.0630.02716.26
5.4.310.0500.03016.20
5.4.300.0530.03416.25
5.4.290.0480.03016.08
5.4.280.0580.03016.18
5.4.270.0470.03216.21
5.4.260.0520.04616.17
5.4.250.0510.02816.21
5.4.240.0600.02716.17
5.4.230.0520.03516.17
5.4.220.0610.02516.24
5.4.210.0600.03016.25
5.4.200.0650.03316.19
5.4.190.0290.02816.19
5.4.180.0080.03016.22
5.4.170.0160.03816.22
5.4.160.0080.04016.18
5.4.150.0700.03816.09
5.4.140.0620.03014.83
5.4.130.0630.02814.85
5.4.120.0570.03514.89
5.4.110.0730.02814.84
5.4.100.0530.02714.78
5.4.90.0580.03114.88
5.4.80.0560.02714.85
5.4.70.0570.03214.87
5.4.60.0550.03214.82
5.4.50.0580.02814.88
5.4.40.0570.03014.91
5.4.30.0650.02814.86
5.4.20.0560.03314.88
5.4.10.0700.03514.87
5.4.00.0580.02814.59
5.3.290.0030.04212.80
5.3.280.0100.03412.71
5.3.270.0070.04212.72
5.3.260.0070.05712.72
5.3.250.0070.03712.72
5.3.240.0080.03512.72
5.3.230.0060.03712.71
5.3.220.0070.03612.69
5.3.210.0050.04012.68
5.3.200.0060.03712.68
5.3.190.0090.03412.68
5.3.180.0060.03512.68
5.3.170.0080.04612.68
5.3.160.0050.04312.68
5.3.150.0070.03612.68
5.3.140.0050.03912.67
5.3.130.0060.03712.66
5.3.120.0070.03712.67
5.3.110.0070.03712.66
5.3.100.0090.05212.15
5.3.90.0070.05012.13
5.3.80.0110.03012.12
5.3.70.0060.03512.13
5.3.60.0040.03812.11
5.3.50.0100.03612.06
5.3.40.0080.04012.06
5.3.30.0060.03812.02
5.3.20.0070.03411.79
5.3.10.0070.03311.76
5.3.00.0110.03011.75
5.2.170.0090.0259.24
5.2.160.0050.0299.24
5.2.150.0060.0309.24
5.2.140.0070.0289.24
5.2.130.0050.0299.20
5.2.120.0060.0279.20
5.2.110.0080.0259.20
5.2.100.0040.0299.20
5.2.90.0030.0319.20
5.2.80.0040.0319.20
5.2.70.0060.0299.20
5.2.60.0030.0339.15
5.2.50.0080.0279.12
5.2.40.0050.0279.10
5.2.30.0070.0269.07
5.2.20.0050.0319.06
5.2.10.0060.0298.97
5.2.00.0070.0308.83
5.1.60.0040.0258.12
5.1.50.0060.0228.11
5.1.40.0070.0288.10
5.1.30.0070.0248.44
5.1.20.0040.0278.46
5.1.10.0070.0318.20
5.1.00.0080.0238.19
5.0.50.0040.0226.66
5.0.40.0030.0196.53
5.0.30.0020.0326.34
5.0.20.0090.0146.31
5.0.10.0050.0256.29
5.0.00.0060.0286.28
4.4.90.0040.0144.78
4.4.80.0030.0184.75
4.4.70.0040.0144.75
4.4.60.0010.0174.75
4.4.50.0010.0174.77
4.4.40.0040.0234.71
4.4.30.0030.0144.75
4.4.20.0030.0144.84
4.4.10.0030.0154.84
4.4.00.0020.0254.76
4.3.110.0010.0174.67
4.3.100.0010.0174.66
4.3.90.0020.0154.64
4.3.80.0040.0234.58
4.3.70.0040.0134.63
4.3.60.0060.0114.62
4.3.50.0010.0174.62
4.3.40.0070.0194.54
4.3.30.0040.0173.30
4.3.20.0010.0203.28
4.3.10.0050.0163.23
4.3.00.0030.01712.08

preferences:
45.85 ms | 401 KiB | 5 Q