php-doc-en/appendices/migration56/deprecated.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<sect1 xml:id="migration56.deprecated">
 <title>Deprecated features in PHP 5.6.x</title>

 <sect2 xml:id="migration56.deprecated.incompatible-context">
  <title>Calls from incompatible context</title>

  <para>
   Methods called from an incompatible context are now deprecated, and will
   generate <constant>E_DEPRECATED</constant> errors when invoked instead of
   <constant>E_STRICT</constant>. Support for these calls will be removed in
   a future version of PHP.
  </para>

  <para>
   An example of such a call is:
  </para>

  <informalexample>
   <programlisting role="php">
<![CDATA[
<?php
class A {
    function f() { echo get_class($this); }
}

class B {
    function f() { A::f(); }
}

(new B)->f();
?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
Deprecated: Non-static method A::f() should not be called statically, assuming $this from incompatible context in - on line 7
B
]]>
   </screen>
  </informalexample>
 </sect2>

 <sect2 xml:id="migration56.deprecated.raw-post-data">
  <title><varname>$HTTP_RAW_POST_DATA</varname> and <literal>always_populate_raw_post_data</literal></title>

  <para>
   <literal>always_populate_raw_post_data</literal>
   will now generate an <constant>E_DEPRECATED</constant> error when
   <varname>$HTTP_RAW_POST_DATA</varname> is populated.
   New code should use
   <link linkend="wrappers.php.input"><literal>php://input</literal></link>
   instead of <varname>$HTTP_RAW_POST_DATA</varname>, which will be removed
   in a future release. You can opt in for the new behaviour (in which
   <varname>$HTTP_RAW_POST_DATA</varname> is never defined hence no
   <constant>E_DEPRECATED</constant> error will be generated) by setting
   <literal>always_populate_raw_post_data</literal>
   to <literal>-1</literal>.
  </para>
 </sect2>

 <sect2 xml:id="migration56.deprecated.iconv-mbstring-encoding">
  <title><link linkend="book.iconv">iconv</link> and <link linkend="book.mbstring">mbstring</link> encoding settings</title>

  <para>
   The <link linkend="book.iconv">iconv</link> and
   <link linkend="book.mbstring">mbstring</link> configuration options related
   to encoding have been deprecated in favour of
   <link linkend="ini.default-charset"><parameter>default_charset</parameter></link>.
   The deprecated options are:
  </para>

  <itemizedlist>
   <listitem>
    <simpara>
     <link linkend="ini.iconv.input-encoding"><parameter>iconv.input_encoding</parameter></link>
    </simpara>
   </listitem>
   <listitem>
    <simpara>
     <link linkend="ini.iconv.output-encoding"><parameter>iconv.output_encoding</parameter></link>
    </simpara>
   </listitem>
   <listitem>
    <simpara>
     <link linkend="ini.iconv.internal-encoding"><parameter>iconv.internal_encoding</parameter></link>
    </simpara>
   </listitem>
   <listitem>
    <simpara>
     <link linkend="ini.mbstring.http-input"><parameter>mbstring.http_input</parameter></link>
    </simpara>
   </listitem>
   <listitem>
    <simpara>
     <link linkend="ini.mbstring.http-output"><parameter>mbstring.http_output</parameter></link>
    </simpara>
   </listitem>
   <listitem>
    <simpara>
     <link linkend="ini.mbstring.internal-encoding"><parameter>mbstring.internal_encoding</parameter></link>
    </simpara>
   </listitem>
  </itemizedlist>
 </sect2>
</sect1>

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