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:{s:5:";}}'); 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)
8.3.70.0110.01116.63
8.3.60.0150.00616.75
8.3.50.0100.00921.97
8.3.40.0120.00318.69
8.3.30.0100.00618.64
8.3.20.0040.00420.32
8.3.10.0080.00021.82
8.3.00.0030.00523.51
8.2.180.0100.01018.16
8.2.170.0140.00722.96
8.2.160.0130.00720.39
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00019.76
8.2.120.0040.00426.35
8.2.110.0040.00422.20
8.2.100.0060.00617.93
8.2.90.0040.00419.14
8.2.80.0000.00817.97
8.2.70.0080.00317.63
8.2.60.0000.00817.91
8.2.50.0040.00418.07
8.2.40.0110.00020.59
8.2.30.0040.00419.47
8.2.20.0040.00417.58
8.2.10.0070.00018.14
8.2.00.0000.00818.09
8.1.280.0040.01425.92
8.1.270.0030.00524.10
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0000.00923.95
8.1.230.0040.00819.28
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.65
8.1.160.0000.00820.70
8.1.150.0020.00518.89
8.1.140.0040.00419.54
8.1.130.0020.00517.64
8.1.120.0050.00217.44
8.1.110.0040.00417.46
8.1.100.0030.00617.41
8.1.90.0000.00717.38
8.1.80.0040.00317.32
8.1.70.0030.00317.39
8.1.60.0100.00017.48
8.1.50.0080.00017.39
8.1.40.0050.00317.47
8.1.30.0060.00317.53
8.1.20.0050.00217.57
8.1.10.0050.00317.48
8.1.00.0030.00617.36
8.0.300.0080.00018.77
8.0.290.0030.00616.75
8.0.280.0030.00318.48
8.0.270.0070.00017.21
8.0.260.0030.00317.29
8.0.250.0080.00016.89
8.0.240.0050.00216.87
8.0.230.0000.00816.98
8.0.220.0000.00716.87
8.0.210.0040.00416.93
8.0.200.0000.00616.97
8.0.190.0030.00616.88
8.0.180.0040.00416.83
8.0.170.0030.00517.03
8.0.160.0000.00816.99
8.0.150.0040.00416.82
8.0.140.0030.00616.75
8.0.130.0030.00313.42
8.0.120.0000.00816.98
8.0.110.0080.00016.96
8.0.100.0050.00216.80
8.0.90.0040.00416.97
8.0.80.0060.00916.88
8.0.70.0040.00416.80
8.0.60.0030.00516.83
8.0.50.0000.00716.80
8.0.30.0090.01117.10
8.0.20.0100.00817.40
8.0.10.0040.00416.89
8.0.00.0110.00816.73
7.4.330.0000.00516.75
7.4.320.0070.00016.57
7.4.300.0000.00716.59
7.4.290.0000.00816.54
7.4.280.0080.00016.41
7.4.270.0000.00716.63
7.4.260.0080.00016.54
7.4.250.0080.00016.53
7.4.240.0040.00416.45
7.4.230.0040.00316.56
7.4.220.0130.00616.54
7.4.210.0000.01416.59
7.4.200.0040.00416.57
7.4.160.0090.00616.33
7.4.150.0080.00817.40
7.4.140.0080.00917.86
7.4.130.0080.01016.45
7.4.120.0160.00616.44
7.4.110.0090.00916.50
7.4.100.0080.01216.52
7.4.90.0070.01516.47
7.4.80.0130.00319.39
7.4.70.0100.00716.56
7.4.60.0070.01016.61
7.4.50.0080.00816.45
7.4.40.0110.00616.53
7.4.30.0040.01416.54
7.4.00.0070.01014.74
7.3.330.0020.00213.23
7.3.320.0030.00313.03
7.3.310.0080.00016.16
7.3.300.0030.00316.07
7.3.290.0070.01016.19
7.3.280.0090.01116.18
7.3.270.0100.01417.40
7.3.260.0140.00316.33
7.3.250.0090.00916.33
7.3.240.0140.00816.51
7.3.230.0060.00916.57
7.3.210.0140.00316.41
7.3.200.0130.01019.39
7.3.190.0120.00616.41
7.3.180.0070.01016.43
7.3.170.0100.00716.47
7.3.160.0040.01516.35
7.2.330.0140.00316.64
7.2.320.0110.01116.37
7.2.310.0070.01016.52
7.2.300.0000.01716.34
7.2.290.0000.02216.40
7.2.60.0030.01216.69
7.2.00.0060.00319.46
7.1.200.0060.00615.67
7.1.100.0120.00317.97
7.1.70.0000.00717.04
7.1.60.0140.01019.27
7.1.50.0090.00916.82
7.1.00.0070.07022.40
7.0.200.0000.00916.54
7.0.60.1300.06720.04
7.0.50.0100.07017.86
7.0.40.0030.09320.04
7.0.30.0200.06720.25
7.0.20.0400.07020.23
7.0.10.0000.04720.33
7.0.00.0070.08720.05
5.6.280.0000.03721.04
5.6.210.0770.05320.77
5.6.200.0030.06018.14
5.6.190.0100.08020.61
5.6.180.0430.07320.55
5.6.170.0370.06720.54
5.6.160.0030.04320.53
5.6.150.0000.04318.21
5.6.140.0030.07318.27
5.6.130.0030.06318.14
5.6.120.0100.08020.97
5.6.110.0030.07321.01
5.6.100.0070.06021.01
5.6.90.0070.07321.10
5.6.80.0000.07020.39
5.5.350.0130.07320.48
5.5.340.0170.07317.98
5.5.330.0000.04720.57
5.5.320.0600.06020.24
5.5.310.0300.06720.17
5.5.300.0000.04317.98
5.5.290.0030.06318.03
5.5.280.0100.06720.82
5.5.270.0100.08320.87
5.5.260.0100.04720.79
5.5.250.0030.07720.58
5.5.240.0070.03320.37

preferences:
47.47 ms | 401 KiB | 5 Q