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Bugs for Performance problem
ID# Date Last Modified Type Status PHP Version OS Summary Assigned
55221
(edit)		 2011-07-17 12:56 UTC 2011-07-17 13:51 UTC Bug Not a bug 5.3.6 Mac OS X 10.6.8 shell_exec works very slow with Apache  
55254
(edit)		 2011-07-20 18:13 UTC 2011-07-21 19:48 UTC Bug Not a bug 5.3.6 OS X 10.6.8 strpos() performs more poorly when offset specified  
55739
(edit)		 2011-09-20 12:39 UTC 2016-12-17 15:21 UTC Bug Not a bug 5.3SVN-2011-09-20 (snap) Ubuntu Natty Nerwhal possibility memory leak on namespace and spl_autoload_register  
55845
(edit)		 2011-10-04 15:28 UTC 2011-10-05 00:42 UTC Bug Not a bug 5.3SVN-2011-10-04 (SVN) Ubuntu Natty Iterator and ArrayAccess Interface poor perfomance than native array  
60400
(edit)		 2011-11-28 04:59 UTC 2011-12-07 04:01 UTC Bug Not a bug Irrelevant Windows 7 problem with facebook  
60937
(edit)		 2012-01-31 12:55 UTC 2012-02-01 14:56 UTC Bug Not a bug 5.4SVN-2012-01-31 (snap) Debian Linux Memory leak on unserialize for nested objects  
61014
(edit)		 2012-02-08 16:24 UTC 2013-07-30 20:03 UTC Bug Not a bug 5.4SVN-2012-02-08 (snap) Debian Linux Memory leak on unserialize for certain nested objects  
61151
(edit)		 2012-02-21 06:48 UTC 2012-02-21 07:45 UTC Bug Not a bug 5.3.10 Ubuntu 11.10 Incorrectly reports function as being redeclared  
62110
(edit)		 2012-05-22 19:56 UTC 2012-05-24 10:15 UTC Bug Not a bug 5.4.3 Arch Linux Foreach creates a copy of the array passed by value in function  
62684
(edit)		 2012-07-28 18:01 UTC 2012-07-28 19:50 UTC Bug Not a bug 5.3.15 Linux PHP/DOMDocument: unset() does not release resources  
63444
(edit)		 2012-11-05 22:24 UTC 2012-11-05 23:00 UTC Bug Not a bug 5.4.8 windows 7 download ling probem  
63736
(edit)		 2012-12-10 13:39 UTC 2012-12-10 14:43 UTC Bug Not a bug 5.4.9 Windows array_key_exists extremely slow on referenced arrays  
64001
(edit)		 2013-01-16 07:38 UTC 2013-01-18 15:10 UTC Bug Not a bug 5.5.0alpha3 Windows 7 x64 Slow method invocation for PHP5.5.0 with Development Server  
64518
(edit)		 2013-03-26 05:17 UTC 2013-03-26 21:04 UTC Bug Not a bug 5.4.13   optimisation for "for ($i=0; $i<count($array);$i++)" when $array is global  
68132
(edit)		 2014-10-02 13:55 UTC 2014-10-03 20:36 UTC Bug Not a bug 5.4.33 Linux Memory leakage while using anonymous functions  
68392
(edit)		 2014-11-10 17:39 UTC 2014-11-12 17:43 UTC Bug Not a bug 5.6.2 Linux foreach memory usage increase  
69615
(edit)		 2015-05-10 02:45 UTC 2015-05-10 04:28 UTC Bug Not a bug 5.6.8 Linux memory leak with eval declaring closure  
70613
(edit)		 2015-10-01 14:53 UTC 2015-10-19 18:31 UTC Bug Not a bug 7.0.0RC4 Ubuntu 14.04 x86_64 PHP7 degraded performance  
71073
(edit)		 2015-12-09 09:42 UTC 2015-12-09 10:12 UTC Bug Not a bug 7.0.0 Any Foreach behaviour changes allow for infinite loops  
71375
(edit)		 2016-01-14 22:11 UTC 2016-01-15 06:53 UTC Bug Not a bug 7.0.2 Centos Linux 7.0 Memory not released from token_get_all()  
71420
(edit)		 2016-01-20 14:12 UTC 2016-01-21 05:50 UTC Bug Not a bug 5.6.17 Linux Can't echo very large strings  
73412
(edit)		 2016-10-28 14:06 UTC 2016-10-31 09:50 UTC Bug Not a bug 7.0.12 Linux url-wrappers in PHP7 terrible slow  
73571
(edit)		 2016-11-21 08:56 UTC 2016-11-21 09:46 UTC Bug Not a bug 7.0.13   foreach() way slower than while(list($key,$value)=each($arr))  
73659
(edit)		 2016-12-05 18:47 UTC 2016-12-05 19:26 UTC Bug Not a bug 7.1.0 Linux Recursive call leaks memory  
73678
(edit)		 2016-12-07 19:39 UTC 2016-12-08 16:48 UTC Bug Not a bug 7.1.0 Windows Strange performance degradation  
75914
(edit)		 2018-02-04 14:04 UTC 2018-02-04 16:10 UTC Bug Not a bug 7.2.2 Linux Memory leak when anonymous function is assigned to the class variable  
1781
(edit)		 1999-07-21 02:05 UTC 2002-06-16 08:35 UTC Bug Not a bug 3.0.11 NT 4.0 latest service packs. PHP hangs and causes 100% CPU usage for over 5 mins.  
9858
(edit)		 2001-03-20 01:45 UTC 2001-03-20 05:30 UTC Bug Not a bug 4.0.4pl1 Windows NT 4.0 mail() still doesn't send cc  
10296
(edit)		 2001-04-11 17:21 UTC 2001-04-11 18:05 UTC Bug Not a bug 4.0.4pl1 red hat linux 7.0    
10299
(edit)		 2001-04-11 18:03 UTC 2002-08-13 22:50 UTC Bug Not a bug 4.0.4pl1 FreeBSD 4.2 Stable CPU and Memory Spike  
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