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

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<?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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