Source of: /manual/en/migration53.ini.php


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?>

<div id="migration53.ini" class="section">

  <h2 class="title">Changes to INI file handling</h2>

  <p class="simpara">

   PHP 5.3.0 has significantly improved performance and parsing of INI files,

   and adds several new syntax features.

  </p>

  <ul class="itemizedlist">

   <li class="listitem">

    <span class="simpara">

     The standard <var class="filename">php.ini</var> files have been re-organized and renamed. 

     <i>php.ini-development</i> contains settings recommded

     for use in development environments. <i>php.ini-production</i>

     contains settings recommended for use in production environments.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     There is now support for two special sections:

     <i>[PATH=/opt/httpd/www.example.com/]</i> and 

     <i>[HOST=www.example.com]</i>. Directives set in these 

     sections cannot be overridden by user-defined INI files or at 

     runtime. More information about these sections can be found 

     <a href="ini.sections.php" class="link">here</a>.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     <i>zend_extension_debug</i> and

     <i>zend_extension_ts</i> have been removed. Use the

     <i>zend_extension</i> directive to load all Zend Extensions.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     <i>zend.ze1_compatibility_mode</i> has been removed. If this 

     INI directive is set to On, an <b><tt class="constant">E_ERROR</tt></b> error is 

     emitted at startup.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     It is now possible to use the full path to load modules using the 

     &quot;<a href="ini.core.php#ini.extension" class="link"><i>extension</i></a>&quot;

     directive.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     <i>&quot;ini-variables&quot;</i> can now be used almost anywhere in a

     <var class="filename">php.ini</var> file.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     Runtime tightening of <i>open_basedir</i> restrictions is now

     possible.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     It is now possible to use alphanumeric or variable indices in INI option

     arrays.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     <a href="function.get-cfg-var.php" class="function">get_cfg_var()</a> is now able to return &quot;array&quot; INI options.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     A new directive, mail.add_x_header, has been added.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     user_ini.filename is new

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     user_ini.cache_ttl is also new

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     exit_on_timeout is new too

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     open_basedir is now PHP_INI_ALL

    </span>

   </li>

  </ul>

  <p class="simpara">

   The following new ini directives have been added:

  </p>

  <ul class="itemizedlist">

   <li class="listitem">

    <span class="simpara">

     <i>user_ini.filename</i> and

     <i>user_ini.cache_ttl</i> for the new .htaccess-style user INI

     file mechanism.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     Added <i>mbstring.http_output_conv_mimetype</i>. 

     This directive specifies the regex pattern of content types for which 

     <a href="function.mb-output-handler.php" class="function">mb_output_handler()</a> is activated.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     Added <i>request_order</i>.

     Allows controlling which external variables will be available in

     <var class="varname"><a href="reserved.variables.request.php" class="classname">$_REQUEST</a></var>.

    </span>

   </li>

  </ul>

  <p class="simpara">

   The following ini directives have new default values:

  </p>

  <ul class="itemizedlist">

   <li class="listitem">

    <span class="simpara">

     <i>session.use_only_cookies</i> is now set to

     <i>&quot;1&quot;</i> (enabled) by default.

    </span>

   </li>

   <li class="listitem">

    <span class="simpara">

     <i>oci8.default_prefetch</i> has changed from

     <i>&quot;10&quot;</i> to <i>&quot;100&quot;</i>.

    </span>

   </li>

  </ul>

 </div><?php manual_footer(); ?>
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Source of: /manual/en/migration53.ini.php
