Difference between revisions of "PHP"

Revision as of 22:01, 8 February 2011

Features

Currently using the 5.2.x branch
Backported mail logging feature from 5.3, this allows for either a header to be inserted into the sent message indicating the source script, or a log event to a custom log file.
Uses the internal PCRE library, with extended UTF-8 support
Linked against the native OS database libraries (mysql4for RHEL/CentOS4, and mysql 5.0 for example)
Based on the Fedora design and includes the following core modules:
- php-bcmath: support for using the bcmath library
- php-cli: the command line and cgi interface for PHP
- php-common: files used by both the php package and the php-cli package
- php-dba: support for using the DBA database abstraction layer to PHP
- php-devel: files needed for building PHP extensions
- php-embedded: library which can be embedded into applications to provide PHP scripting
- php-gd: support for using the gd graphics library
- php-imap: IMAP support
- php-ldap: LDAP support
- php-mbstring: multi-byte string handling
- php-mcrypt: mcrypt support
- php-mhash: mhash support
- php-mssql: Microsoft SQL server support
- php-mysql: mysql and mysqli database modules
- php-ncurses: ncurses library support
- php-odbc: ODBC support
- php-pdo: database access abstraction layer to PHP. This module provides a common interface for accessing MySQL, PostgreSQL or other databases
- php-pgsql: postgres support
- php-process: system interfaces for inter-process communication
- php-pspell: pspell library support
- php-recode: recode library support
- php-snmp: SNMP support
- php-soap: SOAP web services protocol support
- php-tidy: tidy library support
- php-xml: support manipulating XML documents using the DOM tree, and performing XSL transformations on XML documents.
- php-xmlrpc: support for the XML-RPC protocol to PHP
- php-zts: Module for Apache HTTP Server which can operate under a threaded server processing model
Additional modules:
- php-ioncube-loader
- php-suhosin
- php-eaccelerator:
- php-zend-optimizer
- php-sqlite2: SQLite2 library for legacy support of packages like Plesk sitebuilder

Installation

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To upgrade to PHP 5.2.x on CentOS/RHEL/Fedora:

Step 1) Set up the atomic channel:

wget -q -O - http://www.atomicorp.com/installers/atomic.sh | sh

Step 2) Upgrade to PHP 5.2.x:

yum upgrade

Step 3) Replace the PHP 4 php.ini with PHP 5.2.x's (if applicable):

mv /etc/php.ini.rpmnew /etc/php.ini

Step 4) Replace the php.conf with the PHP 5.2.x php.conf (if applicable):

mv /etc/httpd/conf.d/php.conf.rpmnew /etc/httpd/conf.d/php.conf

Step 5) Restart the webserver

service httpd restart
(or)
/etc/init.d/httpd restart

Checklist

1) Source code installations of extensions, like Ioncube loader, or other extensions that have to be updated. Ive created php-ioncube-loader, php-zend-optimizer, and php-eaccelerator packages to fix this for you automatically.

2) php.ini settings, like memory_limit

3) execstack -c on any extensions that claim to need an executible stack (ASL users only).

FAQ

Q: Application reports a mysql mismatch between the installed mysql and the version php uses.

A: This is not an error. As stated in the features above PHP is linked against the native vendor distributed version of mysql, this prevents a condition where PHP upgrades also force Mysql upgrades. Applications reporting this as an error are incorrect. Asking this question in forums makes us a Sad Panda that you do not read our FAQ. *insert sad panda emoticon here*

@@ Line 83: / Line 83: @@
 A: This is not an error. As stated in the features above PHP is linked against the native vendor distributed version of mysql, this prevents a condition where PHP upgrades also force Mysql upgrades. Applications reporting this as an error are incorrect. Asking this question in forums makes us a Sad Panda that you do not read our FAQ. *insert sad panda emoticon here*
-== Known Issues ==
-) VPS and RHEL users, If you dont use the atomic installer, you're going to miss some dependencies, like sqlite3. Have fun with that!
-) RHEL4 users (and possibly others) can resolve the sqlite3 dependencies by grabbing rpms from the CentOS repositories. The atomic installer fixes this for you automatically.
- rpm -Uvh http://isoredirect.centos.org/centos/4/os/i386/CentOS/RPMS/sqlite-3.3.6-2.i386.rpm http://isoredirect.centos.org/centos/4/os/i386/CentOS/RPMS/sqlite-devel-3.3.6-2.i386.rpm
- up2date php
-OR
- yum update php
-) PHP 5.2.5 causes problems with Horde and Apache configuration files on PSA 8.2.1 and lower. '''PSA 8.3.0 has fixed this problem''', so the easiest way to fix these issues is to upgrade to PSA 8.3.0 or higher. Otherwise, you'll need to perform the following extra steps:
-a) Modify /etc/httpd/conf.d/zz010_psa_httpd.conf
-Change this:
- php_admin_value include_path "/usr/share/psa-horde:/usr/share/psa-horde/pear:."
-to
- php_admin_value include_path "/usr/share/psa-horde/lib:/usr/share/psa-horde:/usr/share/psa-horde/pear:."
-Note this file is changed every time plesk is updated, so you'll need to go back and fix this when it does.
-This also fixes the '''PHP Fatal error:  Can't load Horde/SessionObjects.php, open_basedir restriction''' problem.
-b) General issues with php_admin_value:
-The fix for now is to replace  the use of php_admin_value with php_value.  I have only tested this as far as the domains on this server. You will find this used all over the place in zz010_psa_httpd.conf, domain level httpd.includes, and most likely in your own customizations. The biggest problems Ive had are with register_globals and include_path, I have not run into any issues with PSA httpd.include files and open_basedir.
-)<strike> Plesk Sitebuilder is not compatible with 5.2.x on systems that did not come with it natively. Either remove it, with yum remove sb-publish, or you *might* be able to get it to work by using the php-sqlite2 from the Fedora 8 plesk repo.</strike> php-sqlite2 was added to the atomic repo to handle sitebuilder integration.

Difference between revisions of "PHP"

Revision as of 22:01, 8 February 2011

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