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    User Contributed Notes 13 notes

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    15
    jaw at jawspeak dot com - Jonathan Andrew Wolte
    17 years ago
    Be sure to use double quotes in the php.ini file. For instance:

    (lines broken for readability)

    this will work:
    # xdebug debugging
    zend_extension="/usr/local/php5/lib/php/extensions
    /no-debug-non-zts-20060613/xdebug.so"

    this won't:
    # xdebug debugging
    zend_extension='/usr/local/php5/lib/php/extensions
    /no-debug-non-zts-20060613/xdebug.so'

    You'll get this error:
    Failed loading '/usr/local/php5/lib/php/extensions/
    no-debug-non-zts-20060613/xdebug.so': (null)

    So... double quotes are the way! I know this is obvious, but it's a good thing to remember for the php.ini file.
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    11
    alvaro at demogracia dot com
    17 years ago
    About Apache 2.0 module:

    For whatever reason, the Windows installer for PHP/5.2.3 tries to set the PHPIniDir directive using "\\" as directory separator:

    PHPIniDir "C:\\Archivos de programa\\PHP\\"

    It didn't work for me until I edited httpd.conf and replaced it with "/":

    PHPIniDir "C:/Archivos de programa/PHP/"
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    10
    henrick at streamsec dot se
    17 years ago
    In order to get PHP 5.2 stable running on Windows Server 2003 x64 (IIS 6.0), I discovered three things (in addition to the other comments above):

    * Some PHP web applications make use of the SCRIPT_NAME server variable which is not available under CGI. You have to use php5isapi.dll, which is a 32 bit dll, so you have to run IIS in 32 bit mode. Confer http://support.microsoft.com/kb/894435. This applies to all ISAPI extensions and not just ASP.NET.

    * It appears you must leave the doc_root entry in php.ini blank. At least, that is what finally made my installation work. (Note that others have suggested to set it to e.g. C:\inetpub\wwwroot or equivalent. That won't work if your server hosts more than one domain, each placed in a separate directory.)

    * If you are e.g. using MySQL you will have to edit php.ini. In order for it to be found, you must set the PHPRC system environment variable or the registry entry. Note that if you edit the registry using regedit.exe, the PHP key should be placed under the [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node] key. This happens automatically if you set it using a 32 bit legacy application.
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    8
    randy AT rcs-comp DOT com
    19 years ago
    (copied from another page)
    Please note that the SetEnv PHPRC "directory/to/phpini/" only works when using PHP as CGI, but _not_ when you use the PHP Apache Module!
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    7
    goran
    11 years ago
    To run separate apache and php processes on centos (at least) without
    having to compile and install separate versions for every instance
    this should work:

    Install apache and php with yum.

    This will give you (for the first instance):

    /etc/httpd/*, /etc/sysconfig/httpd, /etc/init.d/httpd, /etc/php.ini
    and /etc/php.d/*.

    Copy all this stuff to:
    /etc/httpd2/*, /etc/sysconfig/httpd2, /etc/init.d/httpd2, /etc/php2.ini
    and /etc/php2.d/*.

    Then:

    Edit the apache config files in /etc/httpd2/* to reflect the new
    ports you want to have this apache listen on (don't forget ssl.conf
    under conf.d) and any other differing settings, like log file
    destinations and virtualhosts.

    Edit the php2.ini for any specific settings you want the other php
    instance to have.

    To have a completely separate php in this new apache instance with its own
    modules included, edit /etc/sysconfig/httpd2 and add the following:

    PHPRC=/etc/php2.ini
    export PHPRC
    PHP_INI_SCAN_DIR=/etc/php2.d
    export PHP_INI_SCAN_DIR

    This will set the environment variables for the second apache/php
    instance before it is started.

    Then edit /etc/init.d/httpd2 and change all references to httpd
    (like lockfile, pidfile and sysconfig) to httpd2. Don't touch the
    executable name, though :)

    And change this:

    LANG=$HTTPD_LANG daemon --pidfile=${pidfile} $httpd $OPTIONS

    to this:

    LANG=$HTTPD_LANG daemon --pidfile=${pidfile} $httpd -f /etc/httpd2/conf/httpd.conf $OPTIONS

    .. so this apache can find its own configuration file.

    Then, if necessary 'chkconfig --add /etc/init.d/httpd2' to have it
    in startup and you should have two apache instances with two separate
    php modules with their own dedicated settings.
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    6
    salivatears at gmail dot com
    13 years ago
    For windows with limited file permission (Windows XP)

    1. Install Apache in your folder profile "C:\Documents and Settings\your_profile"

    2. Add the following directives to you httpd.conf
    PHPINIDir "C:\Documents and Settings\your_profile\php"

    LoadModule php5_module "C:\Documents and Settings\your_profile\php\php5apache2_2.dll"

    AddType application/x-httpd-php .php

    3. Edit the following directive to you php.ini
    extension_dir = "C:\Documents and Settings\your_profile\php\ext"

    4. Move the file libmysql.dll from C:\Documents and Settings\your_profile\php\ to C:\Documents and Settings\your_profile\php\ext\

    5. Restart httpd using command line
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    7
    c dot affolter at stepping-stone dot ch
    18 years ago
    For those people who want to use the PHPRC environment variable:
    You have to specify the path to the directory containing your php.ini, not the direct path to the php.ini.

    Example (php.ini resides in /your/path/php.ini):
    right:
    export PHPRC=/your/path

    wrong:
    export PHPRC=/your/path/php.ini
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    6
    cduke420 at gmail dot com
    17 years ago
    [ When php run as Apache Module ]
    DOCUMENT_ROOT .htaccess
    +======================================+
    SetEnv PHPRC /home/user/dir-containing-phpinifile
    +======================================+

    [ When php run as CGI ]
    Place your php.ini file in the dir of your cgi'd php binary, in this case /cgi-bin/
    DOCUMENT_ROOT .htaccess
    +======================================+
    AddHandler php-cgi .php .htm
    Action php-cgi /cgi-bin/php5.cgi
    +======================================+

    [ PHP run as cgi with wrapper (for FastCGI) ]
    Your wrapper script should look something like:
    +======================================+
    #!/bin/sh
    export PHP_FCGI_CHILDREN=3
    exec /user/htdocs/cgi-bin/php.cgi -c /home/user/php.ini
    +======================================+

    original article:
    http://www.askapache.com/2007/php/custom-phpini-tips-and-tricks.html
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    3
    Anonymous
    16 years ago
    Hello,

    Having tried EVERYTHING on every php / mysql site to get php5.2.5 to talk to mysql server 5.0 (including all php.ini settings, all dlls, and many more ...)

    Please try this: set Apache2.2 service Startup Type to MANUAL. If not, it does not see to reload php.ini, no matter how many times you stop and start.

    After 2 days, I finally see mysql info for <?php phpinfo(); ?>

    Hope this helps!!
    DK
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    2
    gprochnow AT PINT DOT COM
    17 years ago
    Run php 4 and php 5.2.x on the same machine with IIS 6.0 as ISAPI.

    1. Extract the ZIP packages of both php 4 & php 5 (not the Windows Installer) to c:\php4 & c:\php5 respectively

    2. Setup the corresponding php.ini files in c:\php4 and c:\php5

    3. Add the Web Service Extensions for php4 and php5. For php4 use c:\php4\sapi\php4isapi.dll, php5 use c:\php5\php5isapi.dll

    4. Add the following registry keys:

    HKEY_LOCAL_MACHINE\SOFTWARE\PHP\5\IniFilePath -> c:\php5

    HKEY_LOCAL_MACHINE\SOFTWARE\PHP\IniFilePath -> c:\php4

    5. Add c:\php4 to the PATH environment variable.

    6. Associate each web site in IIS with the corresponding php version.

    7. Reboot

    Note: That should work, test with phpinfo() in each site. You may need to refer to the php documentation if we missed any other settings.
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    0
    php at chrismonster dot com
    16 years ago
    w2k, apache 1.3.29, php 5.2.6: c:\php\php.ini was not found until the environment variable PHPRC was set to "c:\php", even though php was used as a module, not CGI.

    just adding c:\php to the path was not adequate.

    phpinfo() still shows "Configuration File (php.ini) Path" to be C:\WINNT, but "Loaded Configuration File" now correctly displays "C:\php\php.ini".

    initially the problem appeared to be simply that the mysql extension was not loading; in fact, the problem was more fundamental (php.ini not found) but because php will still work with defaults, this was not obvious.
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    0
    Jorrit Schippers
    20 years ago
    For IIS users: If you experience high parsetimes, try to set output_buffering to On. IIS has problems with scripts outputting many small pieces of text, and with output_buffering = On, PHP sends the whole page to IIS in one piece.
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    -2
    Alonso
    18 years ago
    Setting php.ini location for PHP working as Apache module (without use SetEnv directive in httpd.conf):

    Before start Apache, set the PHPRC environment variable to the path where php.ini should be loaded, for example:

    PHPRC=/etc/php4/apache-another-path
    export PHPRC

    In Debian we can do this way:

    In /etc/init.d/apache (the script that loads apache web server) we have this line:

    ENV="env -i LANG=C PATH=/bin:/usr/bin:/usr/local/bin"

    Set to this:

    ENV="env -i LANG=C PATH=/bin:/usr/bin:/usr/local/bin PHPRC=/etc/php4/apache-another-path"

    Then wen you reload apache the php.ini will be loaded in the directory configured in PHPRC environment variable.
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