3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { function __wakeup() { print "wakeup\n"; } } session_start(); session_decode('core|a:5:{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:33:"}}test|O:4:"Test":0:{}fooo|s:500:";}s:8:"messages";O:34:"Mage_Core_Model_Message_Collection":2:{s:12:"*_messages";a:0:{}s:20:"*_lastAddedMessage";N;}s:15:"just_voted_poll";b:0;s:12:"visitor_data";a:16:{s:0:"";N;s:11:"server_addr";i:2130706433;s:11:"remote_addr";i:2130706433;s:11:"http_secure";b:0;s:9:"http_host";s:9:"127.0.0.1";s:15:"http_user_agent";s:33:"}}test|O:4:"Test":0:{}fooo|s:500:";s:20:"http_accept_language";s:0:"";s:19:"http_accept_charset";s:0:"";s:11:"request_uri";s:18:"/magento/index.php";s:10:"session_id";s:6:"iiiiii";s:12:"http_referer";s:0:"";s:14:"first_visit_at";s:19:"2015-12-18 16:22:27";s:14:"is_new_visitor";b:0;s:13:"last_visit_at";s:19:"2015-12-18 16:22:27";s:10:"visitor_id";s:2:"50";s:11:"last_url_id";s:3:"179";}s:8:"last_url";s:51:"http://127.0.0.1/magento/index.php/cms/index/index/";}customer_base|a:3:{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:33:"}}test|O:4:"Test":0:{}fooo|s:500:";}s:8:"messages";O:34:"Mage_Core_Model_Message_Collection":2:{s:12:"*_messages";a:0:{}s:20:"*_lastAddedMessage";N;}s:19:"wishlist_item_count";i:0;}checkout|a:2:{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:33:"}}test|O:4:"Test":0:{}fooo|s:500:";}s:8:"messages";O:34:"Mage_Core_Model_Message_Collection":2:{s:12:"*_messages";a:0:{}s:20:"*_lastAddedMessage";N;}}catalog|a:3:{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:33:"}}test|O:4:"Test":0:{}fooo|s:500:";}s:8:"messages";O:34:"Mage_Core_Model_Message_Collection":2:{s:12:"*_messages";a:0:{}s:20:"*_lastAddedMessage";N;}s:27:"catalog_compare_items_count";i:0;}reports|a:3:{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:33:"}}test|O:4:"Test":0:{}fooo|s:500:";}s:28:"product_index_compared_count";i:0;s:26:"product_index_viewed_count";i:0;}'); 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)
8.3.60.0110.01116.75
8.3.50.0110.00921.16
8.3.40.0110.00418.56
8.3.30.0070.01118.57
8.3.20.0040.00420.16
8.3.10.0050.00321.92
8.3.00.0070.00323.52
8.2.180.0120.00618.41
8.2.170.0110.00322.96
8.2.160.0040.01820.35
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0080.00019.68
8.2.120.0000.00726.35
8.2.110.0090.00022.29
8.2.100.0090.00317.80
8.2.90.0040.00419.05
8.2.80.0030.00517.97
8.2.70.0060.00317.63
8.2.60.0000.00817.68
8.2.50.0050.00318.07
8.2.40.0100.00020.41
8.2.30.0070.00019.32
8.2.20.0040.00417.63
8.2.10.0040.00418.02
8.2.00.0000.00918.00
8.1.280.0140.00725.92
8.1.270.0060.00320.06
8.1.260.0080.00028.09
8.1.250.0000.00828.09
8.1.240.0070.00323.97
8.1.230.0040.00819.16
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0040.00417.25
8.1.190.0050.00317.00
8.1.180.0030.00518.10
8.1.170.0040.00418.56
8.1.160.0000.00720.70
8.1.150.0050.00318.88
8.1.140.0080.00019.39
8.1.130.0000.00717.55
8.1.120.0050.00217.37
8.1.110.0000.00717.29
8.1.100.0000.00717.31
8.1.90.0070.00017.39
8.1.80.0070.00017.31
8.1.70.0000.00717.30
8.1.60.0000.00817.54
8.1.50.0040.00417.36
8.1.40.0000.00817.44
8.1.30.0050.00317.45
8.1.20.0050.00317.48
8.1.10.0040.00417.40
8.1.00.0040.00417.27
8.0.300.0000.00718.77
8.0.290.0080.00016.63
8.0.280.0030.00318.39
8.0.270.0000.00717.05
8.0.260.0000.00617.19
8.0.250.0030.00316.99
8.0.240.0070.00017.01
8.0.230.0050.00316.87
8.0.220.0030.00516.86
8.0.210.0030.00516.92
8.0.200.0030.00316.85
8.0.190.0030.00616.85
8.0.180.0030.00416.86
8.0.170.0000.00816.96
8.0.160.0050.00216.95
8.0.150.0040.00316.86
8.0.140.0040.00416.74
8.0.130.0040.00413.32
8.0.120.0030.00616.83
8.0.110.0020.00516.98
8.0.100.0000.00716.88
8.0.90.0040.00416.86
8.0.80.0070.00716.84
8.0.70.0080.00016.79
8.0.60.0030.00516.86
8.0.50.0040.00416.77
8.0.30.0140.00517.00
8.0.20.0160.00617.40
8.0.10.0040.00416.89
8.0.00.0060.01316.70
7.4.330.0000.00616.67
7.4.320.0030.00316.54
7.4.300.0040.00416.54
7.4.290.0000.00716.55
7.4.280.0030.00516.55
7.4.270.0080.00016.55
7.4.260.0070.00416.54
7.4.250.0000.00816.34
7.4.240.0020.00516.51
7.4.230.0030.00316.41
7.4.220.0070.01116.64
7.4.210.0030.01016.58
7.4.200.0030.00316.61
7.4.160.0030.01416.52
7.4.150.0090.00917.40
7.4.140.0050.01217.86
7.4.130.0050.01216.43
7.4.120.0130.00416.45
7.4.110.0040.01416.63
7.4.100.0150.00316.43
7.4.90.0090.00916.45
7.4.80.0100.00719.39
7.4.70.0030.01316.55
7.4.60.0200.00016.55
7.4.50.0070.01016.37
7.4.40.0110.01116.49
7.4.30.0070.01016.27
7.4.00.0100.00714.83
7.3.330.0050.00013.23
7.3.320.0000.00613.11
7.3.310.0030.00316.15
7.3.300.0000.00716.22
7.3.290.0060.01016.24
7.3.280.0080.01116.24
7.3.270.0070.01717.40
7.3.260.0040.01316.29
7.3.250.0070.01016.36
7.3.240.0110.00716.26
7.3.230.0080.00816.39
7.3.210.0140.00416.26
7.3.200.0120.00419.39
7.3.190.0070.01016.46
7.3.180.0130.00316.31
7.3.170.0170.00316.29
7.3.160.0120.00916.33
7.2.330.0040.01316.64
7.2.320.0040.01216.67
7.2.310.0100.01216.35
7.2.300.0090.01516.43
7.2.290.0130.01016.46
7.2.60.0040.01216.75
7.2.00.0000.01219.54
7.1.200.0040.00415.68
7.1.100.0080.00417.98
7.1.70.0050.00317.00
7.1.60.0120.01219.27
7.1.50.0000.01116.91
7.1.00.0070.07322.50
7.0.200.0030.00716.77
7.0.60.1300.05019.93
7.0.50.0070.04017.97
7.0.40.0130.07320.05
7.0.30.0130.04720.12
7.0.20.0230.03320.08
7.0.10.0070.08320.22
7.0.00.0070.08320.12
5.6.280.0000.03721.16
5.6.210.0100.06020.71
5.6.200.0130.07318.16
5.6.190.0030.05020.61
5.6.180.0500.07020.46
5.6.170.0300.08320.39
5.6.160.0070.08020.46
5.6.150.0130.03018.21
5.6.140.0130.06718.18
5.6.130.0070.06018.24
5.6.120.0170.07721.01
5.6.110.0100.08320.89
5.6.100.0200.07320.99
5.6.90.0130.05720.98
5.6.80.0170.07720.51
5.5.350.0030.06020.38
5.5.340.0100.07717.99
5.5.330.0100.08020.29
5.5.320.0500.05720.31
5.5.310.0270.05020.26
5.5.300.0030.07017.98
5.5.290.0030.04317.98
5.5.280.0030.07020.65
5.5.270.0170.04720.73
5.5.260.0030.05720.98
5.5.250.0100.06720.80
5.5.240.0100.07020.36

preferences:
70.04 ms | 401 KiB | 5 Q