3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MySessionStorage implements SessionHandlerInterface { private $path; function open($savePath, $sessionName) { $this->path = $savePath; } function close() { } function read($id) { return ''; } function write($id, $data) { return TRUE; } function destroy($id) { return TRUE; } function gc($maxlifetime) { return TRUE; } } if (session_set_save_handler(new MySessionStorage)){ $toto = session_start(); }

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)
8.3.40.0070.01118.89
8.3.30.0090.00918.54
8.3.20.0070.00020.30
8.3.10.0050.00221.81
8.3.00.0040.00423.53
8.2.170.0070.00718.95
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0040.00419.77
8.2.120.0040.00426.35
8.2.110.0090.00022.08
8.2.100.0060.00617.80
8.2.90.0050.00319.05
8.2.80.0030.00617.97
8.2.70.0060.00317.50
8.2.60.0070.00417.80
8.2.50.0120.00018.07
8.2.40.0040.00422.38
8.2.30.0070.00020.54
8.2.20.0030.00617.60
8.2.10.0080.00018.04
8.2.00.0000.00717.98
8.1.270.0030.00623.78
8.1.260.0000.01028.09
8.1.250.0040.00428.09
8.1.240.0070.00322.46
8.1.230.0040.00819.07
8.1.220.0070.00017.74
8.1.210.0000.01018.77
8.1.200.0030.00617.35
8.1.190.0030.00617.25
8.1.180.0030.00618.10
8.1.170.0030.00518.61
8.1.160.0040.00420.80
8.1.150.0040.00418.78
8.1.140.0030.00519.43
8.1.130.0030.00317.55
8.1.120.0040.00417.44
8.1.110.0000.00817.31
8.1.100.0030.00517.36
8.1.90.0040.00417.38
8.1.80.0040.00417.25
8.1.70.0070.00017.40
8.1.60.0030.00517.41
8.1.50.0070.00417.46
8.1.40.0030.00617.45
8.1.30.0040.00417.63
8.1.20.0040.00417.47
8.1.10.0040.00417.46
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.42
8.0.270.0040.00417.25
8.0.260.0030.00619.04
8.0.250.0000.00716.97
8.0.240.0070.00317.03
8.0.230.0070.00017.05
8.0.220.0070.00016.99
8.0.210.0000.00716.99
8.0.200.0030.00517.02
8.0.190.0030.00617.01
8.0.180.0080.00016.95
8.0.170.0040.00417.03
8.0.160.0060.00316.96
8.0.150.0040.00416.93
8.0.140.0000.00816.91
8.0.130.0030.00313.34
8.0.120.0000.00816.80
8.0.110.0070.00016.91
8.0.100.0000.00716.81
8.0.90.0000.00816.82
8.0.80.0060.01516.96
8.0.70.0000.00816.95
8.0.60.0040.00416.82
8.0.50.0000.00716.96
8.0.30.0070.01117.29
8.0.20.0140.00917.40
8.0.10.0050.00317.02
8.0.00.0110.00716.72
7.4.330.0000.00516.72
7.4.320.0040.00416.45
7.4.300.0040.00416.57
7.4.290.0030.00316.60
7.4.280.0060.00316.52
7.4.270.0000.00716.59
7.4.260.0000.00716.53
7.4.250.0080.00016.47
7.4.240.0020.00516.52
7.4.230.0040.00416.50
7.4.220.0130.01316.52
7.4.210.0070.00716.54
7.4.200.0030.00316.30
7.4.160.0130.00316.37
7.4.150.0110.01117.40
7.4.140.0120.01017.86
7.4.130.0100.00816.57
7.4.120.0090.01116.49
7.4.110.0120.00616.41
7.4.100.0140.00716.43
7.4.90.0140.00416.35
7.4.80.0150.00519.39
7.4.70.0080.00816.43
7.4.60.0090.00616.44
7.4.50.0100.00616.17
7.4.40.0030.01316.32
7.4.30.0030.01416.47
7.4.10.0080.01515.05
7.4.00.0130.00615.21
7.3.330.0000.00613.14
7.3.320.0030.00313.08
7.3.310.0070.00016.20
7.3.300.0040.00416.24
7.3.290.0100.00816.31
7.3.280.0050.01016.27
7.3.270.0040.01517.40
7.3.260.0130.00316.41
7.3.250.0120.00416.29
7.3.240.0140.00316.29
7.3.230.0150.00416.39
7.3.210.0120.00916.31
7.3.200.0060.01619.39
7.3.190.0100.01016.43
7.3.180.0040.01216.39
7.3.170.0120.00616.27
7.3.160.0030.01616.44
7.3.130.0140.01414.96
7.3.120.0150.01114.71
7.3.110.0120.01614.78
7.3.100.0120.01214.86
7.3.90.0110.01414.91
7.3.80.0080.01314.61
7.3.70.0130.01714.61
7.3.60.0040.00714.82
7.3.50.0080.00814.50
7.3.40.0060.00614.48
7.3.30.0060.00714.55
7.3.20.0060.00616.75
7.3.10.0040.00716.59
7.3.00.0070.00716.66
7.2.330.0080.01116.48
7.2.320.0090.00916.44
7.2.310.0140.00416.75
7.2.300.0110.00516.68
7.2.290.0000.01816.72
7.2.260.0260.00015.20
7.2.250.0220.00515.23
7.2.240.0180.00914.98
7.2.230.0200.00614.95
7.2.220.0130.01314.78
7.2.210.0130.01315.10
7.2.200.0170.01014.91
7.2.190.0030.00915.20
7.2.180.0040.01114.96
7.2.170.0000.00915.18
7.2.160.0040.00815.16
7.2.150.0040.01116.97
7.2.140.0070.00716.86
7.2.130.0040.01117.00
7.2.120.0030.00916.86
7.2.110.0060.00616.99
7.2.100.0070.00717.02
7.2.90.0090.00617.05
7.2.80.0110.00716.68
7.2.70.0040.01116.95
7.2.60.0090.00516.97
7.2.50.0120.00617.07
7.2.40.0040.01116.84
7.2.30.0090.00616.97
7.2.20.0090.00916.79
7.2.10.0060.00616.95
7.2.00.0060.00616.63
7.1.330.0140.01115.48
7.1.320.0180.00515.85
7.1.310.0130.00715.78
7.1.300.0060.00915.68
7.1.290.0030.01215.78
7.1.280.0100.00315.76
7.1.270.0070.00715.54
7.1.260.0030.00915.75
7.1.250.0090.00015.66
7.1.240.0040.00415.42
7.1.230.0060.00315.85
7.1.220.0030.01015.81
7.1.210.0090.00015.56
7.1.200.0020.00915.64
7.1.190.0090.00615.71
7.1.180.0120.00615.59
7.1.170.0040.00415.48
7.1.160.0050.00515.67
7.1.150.0040.00815.71
7.1.140.0070.00415.70
7.1.130.0070.00315.70
7.1.120.0040.01115.84
7.1.110.0090.00615.79
7.1.100.0040.00415.77
7.1.90.0030.01315.54
7.1.80.0030.01015.73
7.1.70.0040.00616.26
7.1.60.0070.00717.29
7.1.50.0070.00416.35
7.1.40.0060.00615.84
7.1.30.0060.00915.74
7.1.20.0030.00915.80
7.1.10.0030.01015.86
7.1.00.0020.04319.03
7.0.330.0100.00315.39
7.0.320.0090.00315.30
7.0.310.0060.00315.34
7.0.300.0040.00815.34
7.0.290.0070.00715.45
7.0.280.0090.00615.36
7.0.270.0060.00615.38
7.0.260.0030.01015.32
7.0.250.0060.00315.45
7.0.240.0030.01015.30
7.0.230.0040.01115.41
7.0.220.0030.00815.21
7.0.210.0060.01015.41
7.0.200.0070.00316.04
7.0.190.0030.01315.41
7.0.180.0030.00915.55
7.0.170.0100.00015.38
7.0.160.0110.00015.38
7.0.150.0070.00715.21
7.0.140.0070.00715.23
7.0.130.0090.00615.33
7.0.120.0030.01015.23
7.0.110.0030.01015.44
7.0.100.0080.00415.22
7.0.90.0070.00315.51
7.0.80.0060.00315.34
7.0.70.0110.00415.52
7.0.60.0280.03017.60
7.0.50.0050.03416.54
7.0.40.0110.04516.82
7.0.30.0070.03116.78
7.0.20.0150.02516.76
7.0.10.0080.03716.81
7.0.00.0020.03616.83
5.6.400.0040.00414.18
5.6.390.0090.00614.72
5.6.380.0040.00814.53
5.6.370.0030.00914.25
5.6.360.0120.00014.36
5.6.350.0090.00314.80
5.6.340.0060.01014.50
5.6.330.0080.00414.17
5.6.320.0060.00314.61
5.6.310.0000.00814.45
5.6.300.0110.00014.39
5.6.290.0030.00714.12
5.6.280.0040.02017.62
5.6.270.0100.00714.35
5.6.260.0090.00914.76
5.6.250.0100.01014.51
5.6.240.0000.01314.22
5.6.230.0070.00714.48
5.6.220.0040.01214.26
5.6.210.0150.02017.46
5.6.200.0050.02516.24
5.6.190.0140.03817.45
5.6.180.0180.04717.43
5.6.170.0180.04217.48
5.6.160.0090.04217.37
5.6.150.0140.02116.24
5.6.140.0160.03316.23
5.6.130.0100.03316.41
5.6.120.0080.04617.57
5.6.110.0080.04417.73
5.6.100.0030.02817.65
5.6.90.0150.04017.69
5.6.80.0060.04417.28
5.6.70.0030.01014.29
5.6.60.0070.00314.35
5.6.50.0040.01114.29
5.6.40.0060.01014.26
5.6.30.0060.00614.09
5.6.20.0040.01114.15
5.6.10.0040.00814.25
5.6.00.0120.00314.34
5.5.380.0140.01014.38
5.5.370.0160.00414.38
5.5.360.0180.00614.66
5.5.350.0050.05117.39
5.5.340.0170.03815.93
5.5.330.0090.03617.19
5.5.320.0300.04017.15
5.5.310.0180.02017.43
5.5.300.0130.04315.98
5.5.290.0120.02516.24
5.5.280.0160.03517.65
5.5.270.0120.04317.34
5.5.260.0130.02917.36
5.5.250.0130.02117.40
5.5.240.0080.02517.03
5.5.230.0160.00914.43
5.5.220.0190.00614.19
5.5.210.0140.00914.41
5.5.200.0170.00914.20
5.5.190.0210.00414.04
5.5.180.0120.01214.59
5.5.170.0030.02214.34
5.5.160.0090.01414.19
5.5.150.0100.01314.12
5.5.140.0070.01814.11
5.5.130.0100.01414.44
5.5.120.0150.00914.02
5.5.110.0170.00614.13
5.5.100.0160.00814.24
5.5.90.0110.01114.12
5.5.80.0090.01414.32
5.5.70.0160.00614.20
5.5.60.0130.01214.06
5.5.50.0180.00914.06
5.5.40.0090.01114.38
5.5.30.0080.01714.21
5.5.20.0230.00514.09
5.5.10.0000.01514.51
5.5.00.0060.00613.69

preferences:
55.97 ms | 400 KiB | 5 Q