php-doc-en/appendices/migration70/deprecated.xml

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

<sect1 xml:id="migration70.deprecated">
 <title>Deprecated features in PHP 7.0.x</title>

<!-- password_hash() salt option, PHP4-style constructors etc -->
 
<!-- skeleton
 <sect2 xml:id="migration70.deprecated.id">
  <title>Title</title>

  <para>
   Content
  </para>
 </sect2>
-->
 <sect2 xml:id="migration70.deprecated.php4-constructors">
  <title>PHP 4 style constructors</title>

  <para>
   PHP 4 style constructors (methods that have the same name as the class they
   are defined in) are deprecated, and will be removed in the future. PHP 7
   will emit <constant>E_DEPRECATED</constant> if a PHP 4 constructor is the
   only constructor defined within a class. Classes that implement a
   <function>__construct</function> method are unaffected.
  </para>

  <informalexample>
   <programlisting role="php">
<![CDATA[
<?php
class foo {
    function foo() {
        echo 'I am the constructor';
    }
}
?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; foo has a deprecated constructor in example.php on line 3
]]>
   </screen>
  </informalexample>
 </sect2>

 <sect2 xml:id="migration70.deprecated.static-calls">
  <title>Static calls to non-static methods</title>

  <para>
   <link linkend="language.oop5.static">Static</link> calls to methods that
   are not declared <command>static</command> are deprecated, and may be
   removed in the future.
  </para>

  <informalexample>
   <programlisting role="php">
<![CDATA[
<?php
class foo {
    function bar() {
        echo 'I am not static!';
    }
}

foo::bar();
?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
Deprecated: Non-static method foo::bar() should not be called statically in - on line 8
I am not static!
]]>
   </screen>
  </informalexample>
 </sect2>

 <sect2 xml:id="migration70.deprecated.pwshash-salt-option">
  <title><function>password_hash</function> salt option</title>

  <para>
   The salt option for the <function>password_hash</function> function has been
   deprecated to prevent developers from generating their own (usually insecure)
   salts. The function itself generates a cryptographically secure salt when no
   salt is provided by the developer - therefore custom salt generation should not
   be needed.
  </para>
 </sect2>

 <sect2 xml:id="migration70.deprecated.capture-session-meta">
  <title><literal>capture_session_meta</literal> SSL context option</title>

  <para>
   The <literal>capture_session_meta</literal> SSL context option has been
   deprecated. SSL metadata is now available through the
   <function>stream_get_meta_data</function> function.
  </para>
 </sect2>

 <sect2 xml:id="migration70.deprecated.ldap">
  <title><link linkend="book.ldap">LDAP</link> deprecations</title>
   <simpara>
    The following function has been deprecated:
   </simpara>

   <itemizedlist>
    <listitem>
     <simpara>
      <function>ldap_sort</function>
     </simpara>
    </listitem>
   </itemizedlist>
 </sect2>
</sect1>

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