<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Other Changes</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration70.removed-exts-sapis.html">Removed Extensions and SAPIs</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration56.html">Migrating from PHP 5.5.x to PHP 5.6.x</a></div> <div class="up"><a href="migration70.html">Migrating from PHP 5.6.x to PHP 7.0.x</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="migration70.other-changes" class="sect1"> <h2 class="title">Other Changes</h2> <div class="sect2" id="migration70.other-changes.loosening-reserved-words"> <h3 class="title">Loosening Reserved Word Restrictions</h3> <p class="para"> Globally reserved words as property, constant, and method names within classes, interfaces, and traits are now allowed. This reduces the surface of BC breaks when new keywords are introduced and avoids naming restrictions on APIs. </p> <p class="para"> This is particularly useful when creating internal DSLs with fluent interfaces: </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: #FF8000">// 'new', 'private', and 'for' were previously unusable<br /></span><span style="color: #0000BB">Project</span><span style="color: #007700">::new(</span><span style="color: #DD0000">'Project Name'</span><span style="color: #007700">)-></span><span style="color: #0000BB">private</span><span style="color: #007700">()-></span><span style="color: #0000BB">for</span><span style="color: #007700">(</span><span style="color: #DD0000">'purpose here'</span><span style="color: #007700">)-></span><span style="color: #0000BB">with</span><span style="color: #007700">(</span><span style="color: #DD0000">'username here'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> <p class="para"> The only limitation is that the <em>class</em> keyword still cannot be used as a constant name, otherwise it would conflict with the class name resolution syntax (<em>ClassName::class</em>). </p> </div> <div class="sect2" id="migration70.other-changes.remove-date-timezone-warning"> <h3 class="title">Removal of date.timezone Warning</h3> <p class="para"> Previously, a warning was emitted if the <code class="systemitem systemitem">date.timezone</code> INI setting had not been set prior to using any date- or time-based functions. Now, this warning has been removed (with <code class="systemitem systemitem">date.timezone</code> still defaulting to UTC). </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration70.removed-exts-sapis.html">Removed Extensions and SAPIs</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration56.html">Migrating from PHP 5.5.x to PHP 5.6.x</a></div> <div class="up"><a href="migration70.html">Migrating from PHP 5.6.x to PHP 7.0.x</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>
