3v4l.org

run code in 300+ PHP versions simultaneously
<?php $isd0 = defined('SID'); ini_set('session.use_cookies', 0); ini_set('session.use_only_cookies', 0); session_start(); $sid1 = SID; session_destroy(); session_start(); $sid2 = SID; var_dump($isd0); var_dump($sid1); var_dump($sid2);

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)
8.5.30.0090.00819.64
8.5.20.0090.00920.29
8.5.10.0100.01016.60
8.5.00.0130.01119.99
8.4.180.0110.01125.72
8.4.170.0140.00823.79
8.4.160.0110.01123.77
8.4.150.0060.00616.84
8.4.140.0170.00417.46
8.4.130.0120.00618.04
8.4.120.0050.00422.54
8.4.110.0100.01022.40
8.4.100.0120.01017.45
8.4.90.0130.00818.70
8.4.80.0160.00619.50
8.4.70.0100.01117.88
8.4.60.0080.01218.67
8.4.50.0040.00519.61
8.4.40.0100.00517.39
8.4.30.0090.01018.87
8.4.20.0120.00417.99
8.4.10.0090.00619.55
8.3.300.0130.00722.76
8.3.290.0050.00518.36
8.3.280.0120.01020.27
8.3.270.0100.00916.57
8.3.260.0110.00816.63
8.3.250.0080.01118.91
8.3.240.0110.00916.48
8.3.230.0120.00516.53
8.3.220.0060.00319.10
8.3.210.0120.00718.39
8.3.200.0160.00416.39
8.3.190.0110.00818.23
8.3.180.0120.00820.52
8.3.170.0060.00318.69
8.3.160.0060.01518.98
8.3.150.0050.00316.77
8.3.140.0030.00616.89
8.3.130.0050.00318.40
8.3.120.0080.00018.90
8.3.110.0060.00320.94
8.3.100.0040.00424.06
8.3.90.0080.00026.77
8.3.80.0060.00317.97
8.3.70.0120.00916.50
8.3.60.0000.01518.27
8.3.50.0110.00416.38
8.3.40.0130.00321.71
8.3.30.0120.00919.17
8.3.20.0110.00324.18
8.3.10.0140.00024.66
8.3.00.0090.00026.16
8.2.300.0120.00818.02
8.2.290.0130.00520.07
8.2.280.0090.00918.51
8.2.270.0090.00917.41
8.2.260.0090.00618.05
8.2.250.0090.00016.72
8.2.240.0000.00918.88
8.2.230.0110.00422.58
8.2.220.0040.00737.54
8.2.210.0030.00526.77
8.2.200.0090.00016.50
8.2.190.0030.01118.23
8.2.180.0150.00016.50
8.2.170.0130.00918.79
8.2.160.0030.01222.96
8.2.150.0080.00025.66
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0030.01026.16
8.2.110.0080.00921.22
8.2.100.0130.00719.70
8.2.90.0100.00518.99
8.2.80.0050.00718.76
8.2.70.0120.00518.75
8.2.60.0140.00218.75
8.2.50.0090.00718.57
8.2.40.0100.00318.78
8.2.30.0100.00518.70
8.2.20.0090.00718.66
8.2.10.0070.00518.83
8.2.00.0070.00818.69
8.1.340.0100.01019.89
8.1.330.0050.00321.86
8.1.320.0100.00916.41
8.1.310.0180.00018.42
8.1.300.0030.00617.76
8.1.290.0030.00630.84
8.1.280.0140.00725.92
8.1.270.0040.00424.66
8.1.260.0090.00026.35
8.1.250.0000.00828.09
8.1.240.0040.01118.62
8.1.230.0060.00619.44
8.1.220.0100.00619.58
8.1.210.0050.00920.87
8.1.200.0070.00519.42
8.1.190.0070.00919.23
8.1.180.0140.00218.45
8.1.170.0140.00018.48
8.1.160.0060.00718.80
8.1.150.0050.00518.67
8.1.140.0030.00618.50
8.1.130.0090.00618.65
8.1.120.0060.00418.52
8.1.110.0070.00418.60
8.1.100.0090.00518.55
8.1.90.0090.00218.66
8.1.80.0080.00218.59
8.1.70.0110.00518.87
8.1.60.0070.00318.72
8.1.50.0020.00718.64
8.1.40.0070.00418.74
8.1.30.0070.00318.77
8.1.20.0050.00518.73
8.1.10.0050.00518.50
8.1.00.0080.00218.62
8.0.300.0050.00517.84
8.0.290.0060.00317.89
8.0.280.0050.00517.85
8.0.270.0080.00217.89
8.0.260.0060.00317.86
8.0.250.0100.00017.88
8.0.240.0060.00317.88
8.0.230.0070.00217.84
8.0.220.0070.00317.93
8.0.210.0090.00017.86
8.0.200.0010.00817.87
8.0.190.0040.00517.96
8.0.180.0060.00317.89
8.0.170.0080.00117.95
8.0.160.0020.00817.93
8.0.150.0060.00317.80
8.0.140.0050.00518.76
8.0.130.0070.00217.83
8.0.120.0030.00617.82
8.0.110.0060.00318.00
8.0.100.0090.00017.79
8.0.90.0100.00017.91
8.0.80.0060.00317.86
8.0.70.0050.00417.74
8.0.60.0040.00417.82
8.0.50.0060.00317.79
8.0.30.0080.00117.89
8.0.20.0080.00117.95
8.0.10.0080.00218.13

preferences:
44.73 ms | 1148 KiB | 5 Q