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<title>Deprecated features in PHP 7.0.x</title>
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</div><hr /><div id="migration70.deprecated" class="sect1">
<h2 class="title">Deprecated features in PHP 7.0.x</h2>
<div class="sect2" id="migration70.deprecated.php4-constructors">
<h3 class="title">PHP 4 style constructors</h3>
<p class="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 <strong><code>E_DEPRECATED</code></strong> if a PHP 4 constructor is the
only constructor defined within a class. Classes that implement a
<span class="function"><strong>__construct()</strong></span> method are unaffected.
</p>
<div class="informalexample">
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">foo </span><span style="color: #007700">{<br /> function </span><span style="color: #0000BB">foo</span><span style="color: #007700">() {<br /> echo </span><span style="color: #DD0000">'I am the constructor'</span><span style="color: #007700">;<br /> }<br />}<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<p class="para">The above example will output:</p>
<div class="example-contents screen">
<div class="cdata"><pre>
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
</pre></div>
</div>
</div>
</div>
<div class="sect2" id="migration70.deprecated.static-calls">
<h3 class="title">Static calls to non-static methods</h3>
<p class="para">
<a href="language.oop5.static.html" class="link">Static</a> calls to methods that
are not declared <strong class="command">static</strong> are deprecated, and may be
removed in the future.
</p>
<div class="informalexample">
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">foo </span><span style="color: #007700">{<br /> function </span><span style="color: #0000BB">bar</span><span style="color: #007700">() {<br /> echo </span><span style="color: #DD0000">'I am not static!'</span><span style="color: #007700">;<br /> }<br />}<br /><br /></span><span style="color: #0000BB">foo</span><span style="color: #007700">::</span><span style="color: #0000BB">bar</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<p class="para">The above example will output:</p>
<div class="example-contents screen">
<div class="cdata"><pre>
Deprecated: Non-static method foo::bar() should not be called statically in - on line 8
I am not static!
</pre></div>
</div>
</div>
</div>
<div class="sect2" id="migration70.deprecated.pwshash-salt-option">
<h3 class="title"><span class="function"><a href="function.password-hash.html" class="function">password_hash()</a></span> salt option</h3>
<p class="para">
The salt option for the <span class="function"><a href="function.password-hash.html" class="function">password_hash()</a></span> 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.
</p>
</div>
<div class="sect2" id="migration70.deprecated.capture-session-meta">
<h3 class="title"><em>capture_session_meta</em> SSL context option</h3>
<p class="para">
The <em>capture_session_meta</em> SSL context option has been
deprecated. SSL metadata is now available through the
<span class="function"><a href="function.stream-get-meta-data.html" class="function">stream_get_meta_data()</a></span> function.
</p>
</div>
<div class="sect2" id="migration70.deprecated.ldap">
<h3 class="title"><a href="book.ldap.html" class="link">LDAP</a> deprecations</h3>
<p class="simpara">
The following function has been deprecated:
</p>
<ul class="itemizedlist">
<li class="listitem">
<span class="simpara">
<span class="function"><a href="function.ldap-sort.html" class="function">ldap_sort()</a></span>
</span>
</li>
</ul>
</div>
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