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<sect1 xml:id="migration80.other-changes" xmlns:xlink="http://www.w3.org/1999/xlink">
 <title>Other Changes</title>

 <sect2 xml:id="migration80.other-changes.sapi">
  <title>Changes in SAPI Modules</title>

  <sect3 xml:id="migration80.other-changes.sapi.apache2handler">
   <title>Apache2Handler</title>

   <para>
    The PHP module has been renamed from <literal>php7_module</literal> to
    <literal>php_module</literal>.
   </para>
  </sect3>
 </sect2>

 <sect2 xml:id="migration80.other-changes.functions">
  <title>Changed Functions</title>

  <sect3 xml:id="migration80.other-changes.functions.reflection">
   <title>Reflection</title>

   <para>
    <methodname>ReflectionClass::getConstants</methodname> and
    <methodname>ReflectionClass::getReflectionConstants</methodname> results can be now filtered via
    a new parameter <parameter>filter</parameter>. Three new constants were added to be used with it:
   </para>
   <para>
    <simplelist>
     <member><constant>ReflectionClassConstant::IS_PUBLIC</constant></member>
     <member><constant>ReflectionClassConstant::IS_PROTECTED</constant></member>
     <member><constant>ReflectionClassConstant::IS_PRIVATE</constant></member>
    </simplelist>
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.functions.standard">
   <title>Standard</title>

   <para>
    The math functions <function>abs</function>, <function>ceil</function>,
    <function>floor</function> and <function>round</function> now properly heed
    <link linkend="language.types.declarations.strict">the <literal>strict_types</literal> directive</link>.
    Previously, they coerced the first argument even in strict type mode.
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.functions.zip">
   <title>Zip</title>

   <itemizedlist>
    <listitem>
     <para>
      The <methodname>ZipArchive::addGlob</methodname> and
      <methodname>ZipArchive::addPattern</methodname> methods accept more values in the
      <parameter>options</parameter> array argument:
     </para>
     <para>
      <simplelist>
       <member><literal>flags</literal></member>
       <member><literal>comp_method</literal></member>
       <member><literal>comp_flags</literal></member>
       <member><literal>env_method</literal></member>
       <member><literal>enc_password</literal></member>
      </simplelist>
     </para>
    </listitem>
    <listitem>
     <para>
      <methodname>ZipArchive::addEmptyDir</methodname>, <methodname>ZipArchive::addFile</methodname>
      and <methodname>ZipArchive::addFromString</methodname>
      methods have a new <parameter>flags</parameter> argument. This allows managing name encoding
      (<constant>ZipArchive::FL_ENC_<replaceable>*</replaceable></constant>) and entry replacement
      (<constant>ZipArchive::FL_OVERWRITE</constant>).
     </para>
    </listitem>
    <listitem>
     <para>
      <methodname>ZipArchive::extractTo</methodname> now restores the file modification time.
     </para>
    </listitem>
   </itemizedlist>
  </sect3>
 </sect2>

 <sect2 xml:id="migration80.other-changes.extensions">
  <title>Other Changes to Extensions</title>

  <sect3 xml:id="migration80.other-changes.extensions.curl">
   <title>CURL</title>

   <itemizedlist>
    <listitem>
     <para>
      The CURL extension now requires at least libcurl 7.29.0.
     </para>
    </listitem>
    <listitem>
     <para>
      The deprecated parameter <parameter>version</parameter> of <function>curl_version</function> has
      been removed.
     </para>
    </listitem>
   </itemizedlist>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.date">
   <title>Date and Time</title>

   <para>
    <classname>DatePeriod</classname> now implements <interfacename>IteratorAggregate</interfacename>
    (instead of <interfacename>Traversable</interfacename>).
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.dom">
   <title>DOM</title>

   <para>
    <classname>DOMNamedNodeMap</classname> and <classname>DOMNodeList</classname> now implement
    <interfacename>IteratorAggregate</interfacename> (instead of
    <interfacename>Traversable</interfacename>).
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.intl">
   <title>Intl</title>

   <para>
    <classname>IntlBreakIterator</classname> and <classname>ResourceBundle</classname> now implement
    <interfacename>IteratorAggregate</interfacename> (instead of <interfacename>Traversable</interfacename>).
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.enchant">
   <title>Enchant</title>

   <para>
    The enchant extension now uses libenchant-2 by default when available. libenchant version 1 is
    still supported but is deprecated and could be removed in the future.
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.gd">
   <title>GD</title>

   <itemizedlist>
    <listitem>
     <para>
      The <parameter>num_points</parameter> parameter of <function>imagepolygon</function>,
      <function>imageopenpolygon</function> and <function>imagefilledpolygon</function> is now
      optional, i.e. these functions may be called with either 3 or 4 arguments. If the argument is
      omitted, it is calculated as <code>count($points)/2</code>.
     </para>
    </listitem>
    <listitem>
     <para>
      The function <function>imagegetinterpolation</function> to get the current interpolation method
      has been added.
     </para>
    </listitem>
   </itemizedlist>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.json">
   <title>JSON</title>

   <para>
    The JSON extension cannot be disabled anymore and is always an integral part of any PHP build,
    similar to the date extension.
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.mbstring">
   <title>MBString</title>

   <para>
    The Unicode data tables have been updated to version 13.0.0.
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.pdo">
   <title>PDO</title>

   <para>
    <classname>PDOStatement</classname> now implements
    <interfacename>IteratorAggregate</interfacename> (instead of
    <interfacename>Traversable</interfacename>).
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.libxml">
   <title>LibXML</title>

   <para>
    The minimum required libxml version is now 2.9.0. This means that external entity loading is now
    guaranteed to be disabled by default, and no extra steps need to be taken to protect against XXE
    attacks.
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.mysqli">
   <title>MySQLi / PDO MySQL</title>

   <itemizedlist>
    <listitem>
     <para>
      When mysqlnd is not used (which is the default and recommended option), the minimum supported
      libmysqlclient version is now 5.5.
     </para>
    </listitem>
    <listitem>
     <para>
      <classname>mysqli_result</classname> now implements
      <interfacename>IteratorAggregate</interfacename> (instead of
      <interfacename>Traversable</interfacename>).
     </para>
    </listitem>
   </itemizedlist>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.pgsql">
   <title>PGSQL / PDO PGSQL</title>

   <para>
    The PGSQL and PDO PGSQL extensions now require at least libpq 9.1.
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.readline">
   <title>Readline</title>

   <para>
    Calling <function>readline_completion_function</function> before the interactive prompt starts
    (e.g. in <link linkend="ini.auto-prepend-file">auto_prepend_file</link>) will now override the
    default interactive prompt completion function. Previously,
    <function>readline_completion_function</function> only worked when called after starting the
    interactive prompt.
   </para>
  </sect3>

  <sect3 xml:id="migration80.other-changes.extensions.simplexml">
   <title>SimpleXML</title>

   <para>
    <classname>SimpleXMLElement</classname> now implements
    <interfacename>RecursiveIterator</interfacename> and absorbed the functionality of
    <classname>SimpleXMLIterator</classname>. <classname>SimpleXMLIterator</classname> is an empty
    extension of <classname>SimpleXMLElement</classname>.
   </para>
  </sect3>
 </sect2>

 <sect2 xml:id="migration80.other-changes.ini">
  <title>Changes to INI File Handling</title>

  <itemizedlist>
   <listitem>
    <para>
     <!--<link linkend="ini.com.dotnet-version">-->com.dotnet_version<!--</link>-->
     is a new INI directive to choose the version of the .NET framework to use for
     <classname>dotnet</classname> objects.
    </para>
   </listitem>
   <listitem>
    <para>
     <!--<link linkend="ini.zend.exception-string-param-max-len">-->zend.exception_string_param_max_len<!--</link>-->
     is a new INI directive to set the maximum string length in an argument of a stringified
     stack strace.
    </para>
   </listitem>
   </itemizedlist>
 </sect2>

 <sect2 xml:id="migration80.other-changes.ebcdic">
  <title>EBCDIC</title>

  <para>
   EBCDIC targets are no longer supported, though it's unlikely that they were still working in the
   first place.
  </para>
 </sect2>

 <sect2 xml:id="migration80.other-changes.performance">
  <title>Performance</title>

  <itemizedlist>
   <listitem>
    <para>
     A Just-In-Time (JIT) compiler has been added to the opcache extension.
     <!-- https://wiki.php.net/rfc/jit -->
    </para>
   </listitem>
   <listitem>
    <para>
     <function>array_slice</function> on an array without gaps will no longer scan the whole array
     to find the start offset. This may significantly reduce the runtime of the function with large
     offsets and small lengths.
    </para>
   </listitem>
   <listitem>
    <para>
     <function>strtolower</function> now uses a SIMD implementation when using the
     <literal>"C"</literal> <constant>LC_CTYPE</constant> locale (which is the default).
    </para>
   </listitem>
  </itemizedlist>
 </sect2>

</sect1>

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