Performance Considerations
Affecting PHP's Behaviour
PHP Manual
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See also
Extension List/Categorization
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Affecting PHP's Behaviour
APC
— Alternative PHP Cache
APD
— Advanced PHP debugger
bcompiler
— PHP bytecode Compiler
Error Handling
— Error Handling and Logging
htscanner
— htaccess-like support for all SAPIs
inclued
— Inclusion hierarchy viewer
Memtrack
Output Control
— Output Buffering Control
PHP Options/Info
— PHP Options and Information
runkit
scream
— Break the silence operator
Weakref
— Weak References
WinCache
— Windows Cache for PHP
Xhprof
— Hierarchical Profiler
Audio Formats Manipulation
ID3
— ID3 Tags
KTaglib
oggvorbis
— OGG/Vorbis
OpenAL
— OpenAL Audio Bindings
Authentication Services
KADM5
— Kerberos V
Radius
Date and Time Related Extensions
Calendar
Date/Time
— Date and Time
Command Line Specific Extensions
Ncurses
— Ncurses Terminal Screen Control
Newt
Readline
— GNU Readline
Compression and Archive Extensions
Bzip2
LZF
Phar
Rar
— Rar Archiving
Zip
Zlib
— Zlib Compression
Credit Card Processing
MCVE
— MCVE (Monetra) Payment
SPPLUS
— SPPLUS Payment System
Cryptography Extensions
Crack
— Cracklib
Hash
— HASH Message Digest Framework
Mcrypt
Mhash
OpenSSL
Password Hashing
Database Extensions
Abstraction Layers
Vendor Specific Database Extensions
File System Related Extensions
Direct IO
Directories
Fileinfo
— File Information
Filesystem
Inotify
Mimetype
Proctitle
xattr
xdiff
Human Language and Character Encoding Support
Enchant
— Enchant spelling library
FriBiDi
Gender
— Determine gender of firstnames
Gettext
iconv
intl
— Internationalization Functions
Multibyte String
Pspell
Recode
— GNU Recode
Image Processing and Generation
Cairo
Exif
— Exchangeable image information
GD
— Image Processing and GD
Gmagick
ImageMagick
— Image Processing (ImageMagick)
Mail Related Extensions
Cyrus
— Cyrus IMAP administration
IMAP
— IMAP, POP3 and NNTP
Mail
Mailparse
vpopmail
Mathematical Extensions
BC Math
— BCMath Arbitrary Precision Mathematics
GMP
— GNU Multiple Precision
Lapack
Math
— Mathematical Functions
Statistics
Trader
— Technical Analysis for Traders
Non-Text MIME Output
FDF
— Forms Data Format
GnuPG
— GNU Privacy Guard
haru
— Haru PDF
Ming
— Ming (flash)
PDF
PS
— PostScript document creation
RPM Reader
— RPM Header Reading
SWF
— Shockwave Flash
Process Control Extensions
Eio
Ev
Expect
Libevent
PCNTL
— Process Control
POSIX
Program execution
— System program execution
pthreads
Semaphore
— Semaphore, Shared Memory and IPC
Shared Memory
Other Basic Extensions
GeoIP
— Geo IP Location
JSON
— JavaScript Object Notation
Judy
— Judy Arrays
Lua
Misc.
— Miscellaneous Functions
Parsekit
SPL
— Standard PHP Library (SPL)
SPL Types
— SPL Type Handling
Streams
Tidy
Tokenizer
URLs
V8js
— V8 Javascript Engine Integration
Yaml
— YAML Data Serialization
Yaf
Taint
Other Services
AMQP
chdb
— Constant hash database
cURL
— Client URL Library
FAM
— File Alteration Monitor
FTP
Gearman
Gopher
— Net Gopher
Gupnp
HTTP
Hyperwave
Hyperwave API
Java
— PHP / Java Integration
LDAP
— Lightweight Directory Access Protocol
Lotus Notes
Memcache
Memcached
mqseries
Network
RRD
— RRDtool
SAM
— Simple Asynchronous Messaging
SNMP
Sockets
SSH2
— Secure Shell2
Stomp
— Stomp Client
SVM
— Support Vector Machine
SVN
— Subversion
TCP
— TCP Wrappers
Varnish
YAZ
YP/NIS
Search Engine Extensions
mnoGoSearch
Solr
— Apache Solr
Sphinx
— Sphinx Client
Swish
— Swish Indexing
Server Specific Extensions
Apache
IIS
— IIS Administration
NSAPI
Session Extensions
Msession
— Mohawk Software Session Handler Functions
Sessions
— Session Handling
Session PgSQL
— PostgreSQL Session Save Handler
Text Processing
BBCode
— Bulletin Board Code
PCRE
— Regular Expressions (Perl-Compatible)
POSIX Regex
— Regular Expression (POSIX Extended)
ssdeep
— ssdeep Fuzzy Hashing
Strings
Variable and Type Related Extensions
Arrays
Classes/Objects
— Class/Object Information
Classkit
Ctype
— Character type checking
Filter
— Data Filtering
Function Handling
Object Aggregation
— Object Aggregation/Composition [PHP 4]
Quickhash
Reflection
Variable handling
Web Services
OAuth
SCA
SOAP
XML-RPC
Windows Only Extensions
.NET
COM
— COM and .Net (Windows)
Printer
W32api
win32ps
win32service
XML Manipulation
DOM
— Document Object Model
libxml
qtdom
SDO
— Service Data Objects
SDO-DAS-Relational
— SDO Relational Data Access Service
SDO DAS XML
— SDO XML Data Access Service
SimpleXML
WDDX
XML Parser
XMLReader
XMLWriter
XSL
XSLT (PHP 4)
Performance Considerations
Affecting PHP's Behaviour
PHP Manual
PHP Manual