3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { function __wakeup() { print "wakeup\n"; } } session_start(); session_decode('core|a:1:{s:23:"_session_validator_data";a:4:{s:11:"remote_addr";s:9:"127.0.0.1";s:8:"http_via";s:0:"";s:20:"http_x_forwarded_for";s:0:"";s:15:"http_user_agent";s:45:"}}test|O:4:"Test":0:{}fooo|a:1:{i:0;a:1:{i:0;s:5:"12345";}}'); var_dump($_SESSION);

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)
8.3.60.0140.00716.88
8.3.50.0100.01021.20
8.3.40.0150.00018.72
8.3.30.0110.00418.51
8.3.20.0070.01020.16
8.3.10.0050.00323.66
8.3.00.0050.00323.62
8.2.180.0150.00418.41
8.2.170.0090.00622.96
8.2.160.0130.00320.43
8.2.150.0090.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00319.58
8.2.120.0040.00426.35
8.2.110.0060.00320.43
8.2.100.0090.00317.78
8.2.90.0050.00519.23
8.2.80.0030.00617.97
8.2.70.0040.00417.50
8.2.60.0030.00617.93
8.2.50.0000.00918.07
8.2.40.0110.00020.48
8.2.30.0040.00419.38
8.2.20.0060.00317.54
8.2.10.0040.00417.89
8.2.00.0050.00217.98
8.1.280.0100.00725.92
8.1.270.0090.00020.25
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0100.00023.77
8.1.230.0040.00820.86
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.11
8.1.180.0050.00318.10
8.1.170.0040.00418.65
8.1.160.0040.00420.77
8.1.150.0050.00318.88
8.1.140.0030.00619.54
8.1.130.0030.00317.69
8.1.120.0070.00017.34
8.1.110.0000.00817.43
8.1.100.0040.00417.30
8.1.90.0040.00417.31
8.1.80.0070.00017.43
8.1.70.0000.00717.37
8.1.60.0000.00817.55
8.1.50.0080.00017.51
8.1.40.0080.00017.47
8.1.30.0050.00317.45
8.1.20.0000.00817.61
8.1.10.0000.00717.24
8.1.00.0000.00717.20
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0320.00318.43
8.0.270.0000.00917.32
8.0.260.0030.00317.21
8.0.250.0040.00416.87
8.0.240.0050.00217.04
8.0.230.0000.00716.85
8.0.220.0030.00316.84
8.0.210.0030.00316.80
8.0.200.0030.00317.02
8.0.190.0030.00717.01
8.0.180.0000.00716.95
8.0.170.0040.00416.94
8.0.160.0050.00216.96
8.0.150.0000.00716.81
8.0.140.0040.00416.89
8.0.130.0030.00613.35
8.0.120.0030.00616.88
8.0.110.0070.00016.89
8.0.100.0040.00416.93
8.0.90.0050.00316.96
8.0.80.0000.01516.93
8.0.70.0050.00216.97
8.0.60.0000.00816.70
8.0.50.0030.00516.86
8.0.30.0110.00717.06
8.0.20.0090.01217.40
8.0.10.0040.00417.03
8.0.00.0150.01016.70
7.4.330.0050.00016.70
7.4.320.0000.00616.59
7.4.300.0000.00716.58
7.4.290.0030.00316.44
7.4.280.0000.00816.57
7.4.270.0030.00316.57
7.4.260.0030.00316.44
7.4.250.0030.00516.37
7.4.240.0020.00616.48
7.4.230.0000.00716.55
7.4.220.0030.01616.49
7.4.210.0060.00816.52
7.4.200.0030.00316.64
7.4.160.0140.00716.44
7.4.150.0120.00817.40
7.4.140.0090.00917.86
7.4.130.0120.00816.63
7.4.120.0100.01016.54
7.4.110.0060.01216.66
7.4.100.0120.00616.41
7.4.90.0140.00316.68
7.4.80.0120.00919.39
7.4.70.0090.00616.49
7.4.60.0100.00716.34
7.4.50.0040.01116.25
7.4.40.0090.01316.44
7.4.30.0090.00616.59
7.4.00.0080.00815.16
7.3.330.0030.00313.25
7.3.320.0050.00013.20
7.3.310.0050.00216.19
7.3.300.0040.00416.12
7.3.290.0080.01116.32
7.3.280.0120.00616.28
7.3.270.0070.01117.40
7.3.260.0080.00816.45
7.3.240.0130.00516.33
7.3.230.0100.00716.39
7.3.210.0000.01816.46
7.3.200.0090.01119.39
7.3.190.0150.00316.54
7.3.180.0090.01216.18
7.3.170.0130.00316.35
7.3.160.0100.00716.33
7.2.330.0030.01416.65
7.2.320.0100.00616.64
7.2.310.0030.01416.53
7.2.300.0150.00616.64
7.2.290.0170.00316.53
7.2.60.0070.00716.50
7.2.00.0080.00319.34
7.1.200.0030.01015.59
7.1.100.0030.00918.14
7.1.70.0030.00616.94
7.1.60.0140.01019.27
7.1.50.0040.00716.77
7.1.00.0030.07322.35
7.0.200.0040.00716.74
7.0.60.0870.06720.13
7.0.50.0100.08017.89
7.0.40.0070.09020.11
7.0.30.0200.05320.21
7.0.20.0400.07020.07
7.0.10.0030.05020.07
7.0.00.0170.06320.13
5.6.280.0000.07021.09
5.6.210.1570.05320.59
5.6.200.0100.07018.18
5.6.190.0030.05020.60
5.6.180.0530.05720.77
5.6.170.0230.07720.47
5.6.160.0100.03720.47
5.6.150.0030.08318.19
5.6.140.0100.05318.24
5.6.130.0170.07718.34
5.6.120.0100.08321.01
5.6.110.0070.05721.06
5.6.100.0070.06320.98
5.6.90.0130.07020.88
5.6.80.0100.07720.45
5.5.350.0100.07720.38
5.5.340.0070.08317.98
5.5.330.0070.04720.40
5.5.320.0430.07320.31
5.5.310.0330.06020.37
5.5.300.0030.04017.99
5.5.290.0030.08717.99
5.5.280.0070.08320.88
5.5.270.0100.08320.64
5.5.260.0130.07720.84
5.5.250.0070.08320.71
5.5.240.0070.03020.20

preferences:
54.01 ms | 404 KiB | 6 Q