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Showing 1-30 of 189
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Bugs for Performance problem
ID#
Date
Last Modified
Type
Status
PHP Version
OS
Summary
Assigned
54207
(edit)
2011-03-09 18:44 UTC
2012-10-08 08:40 UTC
Doc
Closed
5.3.5
autoload parameter for class_alias?
reeze
60139
(edit)
2011-10-26 10:36 UTC
2011-11-02 06:31 UTC
Bug
Closed
5.4.0beta2
Anonymous functions create cycles not detected by the GC
dmitry
63655
(edit)
2012-11-30 11:11 UTC
2016-08-06 09:39 UTC
Req
Closed
5.3.19
check type functions -> check type operators
nikic
69440
(edit)
2015-04-13 22:39 UTC
2015-04-14 07:00 UTC
Bug
Closed
5.6.8RC1
Perfomance of function count() with array getted by references
nikic
71102
(edit)
2015-12-12 14:05 UTC
2015-12-12 14:24 UTC
Req
Closed
Irrelevant
Dead code elimination
laruence
3579
(edit)
2000-02-23 05:09 UTC
2000-03-01 15:07 UTC
Bug
Closed
4.0 Beta 4 Patch Level 1
73425
(edit)
2016-10-31 05:34 UTC
2021-08-19 13:35 UTC
Req
Closed
7.0.12
get_headers() and default GET requests
cmb
27275
(edit)
2004-02-16 07:38 UTC
2004-03-15 10:12 UTC
Bug
Closed
5CVS-2004-02-16 (4CVS)
*
Array->String cast takes serious performance hit, leaks like crazy
30295
(edit)
2004-09-30 23:23 UTC
2006-01-01 21:54 UTC
Bug
Closed
5CVS, 4CVS (2005-06-20)
*
array_key_exists() makes a copy of the given array
31332
(edit)
2004-12-29 12:30 UTC
2005-01-16 09:51 UTC
Bug
Closed
4CVS, 5CVS (2005-01-04)
*
unserialize() works terribly slow on huge strings compared to 4.3.9
44069
(edit)
2008-02-07 13:39 UTC
2008-02-14 15:20 UTC
Bug
Closed
5.2.5
*
Huge memory usage with concatenation using . instead of .=
dmitry
47643
(edit)
2009-03-13 11:49 UTC
2010-11-01 18:18 UTC
Bug
Closed
5.*, 6CVS (2009-04-13)
*
array_diff() takes over 3000 times longer than php 5.2.4
felipe
50894
(edit)
2010-02-01 06:13 UTC
2015-04-06 15:42 UTC
Req
Closed
5.*, 6
*
no-op cast triggers copy-on-write (ternary operator triggers copy too)
dmitry
63699
(edit)
2012-12-05 15:52 UTC
2013-01-06 02:12 UTC
Bug
Closed
5.4.9
*
Poor date()/etc performance [PATCH]
lstrojny
75511
(edit)
2017-11-10 08:53 UTC
2017-11-13 01:10 UTC
Bug
Closed
Irrelevant
*
fread not free unused buffer.
80061
(edit)
2020-09-04 16:29 UTC
2020-09-21 14:11 UTC
Bug
Closed
7.4Git-2020-09-04 (Git)
*
Copying large files may have suboptimal performance
cmb
2291
(edit)
1999-09-14 04:36 UTC
1999-09-25 11:59 UTC
Bug
Closed
4.0 Beta 2
AIX 4.3.2
Slow file upload
19749
(edit)
2002-10-04 03:21 UTC
2004-04-21 14:04 UTC
Bug
Closed
4CVS-2002-10-04
All
shouldn't mmap() files larger than memory_limit in _php_stream_passthru
wez
40261
(edit)
2007-01-28 00:30 UTC
2007-03-20 07:14 UTC
Bug
Closed
5.2.0
All
Extremely slow data handling due to memory fragmentation
dmitry
65410
(edit)
2013-08-07 08:27 UTC
2015-04-15 14:00 UTC
Req
Closed
5.5.1
All
Add call_func() syntax
cmb
70497
(edit)
2015-09-15 04:01 UTC
2016-12-17 14:42 UTC
Req
Closed
5.6Git-2015-09-15 (Git)
All
Unnecessary HANDLE_BLOCK_INTERRUPTIONS leads to slowdown
nikic
63666
(edit)
2012-12-02 00:50 UTC
Not modified
Bug
Closed
5.4.9
any
Poor date() performance [PATCH]
2662
(edit)
1999-11-04 04:19 UTC
2000-03-17 05:35 UTC
Bug
Closed
4.0 Latest CVS (04/11/1999)
Debian 2.0r3
Strange echo/printf perfomance
79794
(edit)
2020-07-05 00:18 UTC
2020-07-09 09:20 UTC
Bug
Closed
7.4.7
Debian GNU/Linux 9
Speed degradation with many NOTICEs and set_error_handler
laruence
1379
(edit)
1999-05-06 05:21 UTC
1999-05-06 11:19 UTC
Bug
Closed
3.0.5
debian Linux 2.0 (Kernel 2.0.36)
PHP3 does not return full pages when databases are accessed
66939
(edit)
2014-03-21 20:07 UTC
2016-12-17 15:29 UTC
Bug
Closed
5.4.26
Debian Wheezy
memory leak when assigning big arrays of objects to variable while iterating
nikic
45942
(edit)
2008-08-28 17:36 UTC
2008-09-03 21:05 UTC
Bug
Closed
5.2.6
Fedora Core 6
D_FILE_OFFSET_BITS=64 causes PHP to run at half speed
1831
(edit)
1999-07-22 12:15 UTC
1999-08-20 12:09 UTC
Bug
Closed
4.0 Beta 1
FreeBSD 3.0
PHP4 as CGI parses itself
2978
(edit)
1999-12-15 05:36 UTC
1999-12-26 11:16 UTC
Bug
Closed
4.0 Beta 3
FreeBSD 3.2-RELEASE
very high load averages / cpu usage
4796
(edit)
2000-06-03 19:11 UTC
2000-07-06 17:58 UTC
Bug
Closed
4.0.0 Release
FreeBSD 4.0
WWW server runs on high loads all the time even with no requests at all.
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