3v4l.org

run code in 300+ PHP versions simultaneously
<?php session_start(); var_dump(session_decode('core|a:4:{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:76:"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0";}s:8:"messages";O:34:"Mage_Core_Model_Message_Collection":2:{s:12:"*_messages";a:0:{}s:20:"*_lastAddedMessage";N;}s:12:"visitor_data";a:15:{s:0:"";N;s:11:"server_addr";s:4:"";s:11:"remote_addr";s:4:"";s:11:"http_secure";b:0;s:9:"http_host";s:9:"localhost";s:15:"http_user_agent";s:76:"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0";s:20:"http_accept_language";s:0:"";s:19:"http_accept_charset";s:0:"";s:11:"request_uri";s:9:"/magento/";s:10:"session_id";s:17:"zzzzzzzzzzzzzzzzz";s:12:"http_referer";s:0:"";s:14:"first_visit_at";s:19:"2015-12-17 18:21:04";s:14:"is_new_visitor";b:0;s:13:"last_visit_at";s:19:"2015-12-17 18:21:05";s:10:"visitor_id";s:3:"222";}s:8:"last_url";s:41:"http://localhost/magento/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:76:"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0";}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:76:"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0";}s:8:"messages";O:34:"Mage_Core_Model_Message_Collection":2:{s:12:"*_messages";a:0:{}s:20:"*_lastAddedMessage";N;}}catalog|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:76:"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0";}s:8:"messages";O:34:"Mage_Core_Model_Message_Collection":2:{s:12:"*_messages";a:0:{}s:20:"*_lastAddedMessage";N;}}store_default|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:76:"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0";}}store_french|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:76:"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0";}}store_german|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:76:"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:43.0) Gecko/20100101 Firefox/43.0";}}'), $_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)
8.3.60.0070.00716.63
8.3.50.0070.01222.12
8.3.40.0140.00718.65
8.3.30.0070.00718.59
8.3.20.0040.00420.22
8.3.10.0080.00021.60
8.3.00.0080.00023.47
8.2.180.0100.01018.41
8.2.170.0070.01022.96
8.2.160.0000.01420.38
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0040.00419.64
8.2.120.0030.00626.35
8.2.110.0060.00319.30
8.2.100.0000.01117.91
8.2.90.0080.00019.95
8.2.80.0080.00018.03
8.2.70.0080.00017.91
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0020.00520.36
8.2.30.0000.00820.56
8.2.20.0030.00617.65
8.2.10.0030.00618.10
8.2.00.0040.00418.05
8.1.280.0120.00625.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.01220.70
8.1.230.0040.00721.03
8.1.220.0040.00417.74
8.1.210.0070.00420.18
8.1.200.0030.00617.22
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0050.00318.59
8.1.160.0000.00722.22
8.1.150.0000.00818.76
8.1.140.0050.00319.60
8.1.130.0050.00317.63
8.1.120.0000.00717.43
8.1.110.0080.00017.30
8.1.100.0050.00217.43
8.1.90.0040.00417.42
8.1.80.0050.00217.44
8.1.70.0050.00317.32
8.1.60.0070.00017.53
8.1.50.0040.00417.50
8.1.40.0080.00017.48
8.1.30.0040.00417.67
8.1.20.0040.00417.48
8.1.10.0050.00317.41
8.1.00.0040.00417.20
8.0.300.0000.00820.02
8.0.290.0050.00216.75
8.0.280.0040.00418.43
8.0.270.0000.00817.21
8.0.260.0100.00017.08
8.0.250.0040.00416.99
8.0.240.0030.00316.98
8.0.230.0070.00016.95
8.0.220.0000.00816.89
8.0.210.0050.00516.95
8.0.200.0030.00316.96
8.0.190.0040.00416.87
8.0.180.0040.00416.95
8.0.170.0030.00616.86
8.0.160.0040.00416.82
8.0.150.0000.00716.91
8.0.140.0030.00516.77
8.0.130.0060.00013.36
8.0.120.0030.00616.91
8.0.110.0070.00016.96
8.0.100.0000.00716.89
8.0.90.0050.00216.79
8.0.80.0060.00916.88
8.0.70.0050.00316.85
8.0.60.0040.00416.87
8.0.50.0000.00716.90
8.0.30.0080.01117.04
8.0.20.0130.00617.40
8.0.10.0040.00416.85
8.0.00.0120.00616.79
7.4.330.0020.00216.77
7.4.320.0030.00316.59
7.4.300.0030.00616.58
7.4.290.0000.00716.45
7.4.280.0030.00616.55
7.4.270.0030.00316.57
7.4.260.0000.00816.53
7.4.250.0030.00616.32
7.4.240.0050.00216.55
7.4.230.0070.00016.54
7.4.220.0100.01416.45
7.4.210.0090.00616.47
7.4.200.0030.00316.27
7.4.160.0040.01216.47
7.4.150.0140.00317.40
7.4.140.0110.00817.86
7.4.130.0150.01216.56
7.4.120.0060.01216.45
7.4.110.0140.01816.46
7.4.100.0130.00616.59
7.4.90.0070.01016.41
7.4.80.0070.01019.39
7.4.70.0090.00916.48
7.4.60.0150.00016.44
7.4.50.0030.01316.52
7.4.40.0080.00916.38
7.4.30.0070.01016.36
7.4.00.0080.00514.97
7.3.330.0070.00013.10
7.3.320.0070.00013.06
7.3.310.0000.00716.17
7.3.300.0000.00716.25
7.3.290.0080.01016.25
7.3.280.0080.00916.25
7.3.270.0080.00817.40
7.3.260.0090.00916.30
7.3.240.0070.01116.38
7.3.230.0110.00816.46
7.3.210.0100.00716.49
7.3.200.0090.00919.39
7.3.190.0060.01216.29
7.3.180.0110.00616.37
7.3.170.0060.01516.57
7.3.160.0090.00616.52
7.3.120.0040.01114.58
7.3.110.0120.00614.84
7.3.100.0090.00614.79
7.3.90.0070.00714.72
7.3.80.0000.00914.70
7.3.70.0070.00714.79
7.3.60.0070.01014.74
7.3.50.0060.00614.57
7.3.40.0070.00714.69
7.3.30.0070.00714.80
7.3.20.0030.01016.27
7.3.10.0050.00616.55
7.3.00.0090.00516.46
7.2.330.0070.01416.23
7.2.320.0100.00716.39
7.2.310.0060.01116.71
7.2.300.0070.01416.57
7.2.290.0080.00816.53
7.2.250.0060.01214.55
7.2.240.0060.00915.09
7.2.230.0040.00814.71
7.2.220.0080.00414.77
7.2.210.0030.00914.68
7.2.200.0030.00714.84
7.2.190.0030.00715.05
7.2.180.0060.00314.94
7.2.170.0040.01114.91
7.2.130.0030.00716.75
7.2.120.0160.00016.67
7.2.110.0030.00716.89
7.2.100.0060.00616.61
7.2.90.0090.00616.94
7.2.80.0060.00616.99
7.2.70.0060.00616.46
7.2.60.0070.00516.75
7.2.50.0030.00716.67
7.2.40.0040.01216.78
7.2.30.0080.00316.48
7.2.20.0040.00716.95
7.2.10.0100.00016.70
7.2.00.0060.00618.03
7.1.330.0030.01015.86
7.1.320.0030.00615.78
7.1.310.0000.01715.65
7.1.300.0030.01315.46
7.1.290.0100.00715.58
7.1.280.0070.00715.52
7.1.270.0120.00315.58
7.1.260.0040.00815.89
7.1.250.0030.00615.71
7.1.200.0060.00615.74
7.1.100.0000.01117.95
7.1.70.0060.00616.98
7.1.60.0060.01619.27
7.1.50.0030.01916.54
7.1.00.0030.07722.35
7.0.200.0090.00016.78
7.0.60.1430.06720.14
7.0.50.0070.05017.84
7.0.40.0030.04320.04
7.0.30.0170.06720.09
7.0.20.0400.07320.13
7.0.10.0100.03720.30
7.0.00.0100.06020.16
5.6.280.0000.07321.03
5.6.210.1030.08020.57
5.6.200.0100.06018.19
5.6.190.0030.08720.44
5.6.180.0330.08020.57
5.6.170.0330.05020.51
5.6.160.0030.08720.44
5.6.150.0100.07718.22
5.6.140.0070.07018.16
5.6.130.0100.08018.07
5.6.120.0030.04020.96
5.6.110.0000.04320.96
5.6.100.0130.06721.13
5.6.90.0100.08320.96
5.6.80.0100.07320.50
5.5.350.0300.06720.39
5.5.340.0100.06718.02
5.5.330.0070.05320.14
5.5.320.0500.05320.29
5.5.310.0230.08320.13
5.5.300.0100.08317.98
5.5.290.0100.07318.00
5.5.280.0070.06320.85
5.5.270.0130.07720.88
5.5.260.0130.03320.88
5.5.250.0000.04320.69
5.5.240.0230.06720.16

preferences:
69.74 ms | 401 KiB | 5 Q