<!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>Changed functions</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration70.deprecated.html">Deprecated features in PHP 7.0.x</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration70.new-functions.html">New functions</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.changed-functions" class="sect1"> <h2 class="title">Changed functions</h2> <div class="sect2" id="migration70.changed-functions.core"> <h3 class="title">PHP Core</h3> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.debug-zval-dump.html" class="function">debug_zval_dump()</a></span> now prints "int" instead of "long", and "float" instead of "double" </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.dirname.html" class="function">dirname()</a></span> now optionally takes a second parameter, <code class="parameter">depth</code>, to get the name of the directory <code class="parameter">depth</code> levels up from the current directory. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.getrusage.html" class="function">getrusage()</a></span> is now supported on Windows. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.mktime.html" class="function">mktime()</a></span> and <span class="function"><a href="function.gmmktime.html" class="function">gmmktime()</a></span> functions no longer accept <code class="parameter">is_dst</code> parameter. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.preg-replace.html" class="function">preg_replace()</a></span> function no longer supports "\e" (<strong><code>PREG_REPLACE_EVAL</code></strong>). <span class="function"><a href="function.preg-replace-callback.html" class="function">preg_replace_callback()</a></span> should be used instead. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.setlocale.html" class="function">setlocale()</a></span> function no longer accepts <code class="parameter">category</code> passed as string. <strong><code>LC_*</code></strong> constants must be used instead. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.exec.html" class="function">exec()</a></span>, <span class="function"><a href="function.system.html" class="function">system()</a></span> and <span class="function"><a href="function.passthru.html" class="function">passthru()</a></span> functions have NULL byte protection now. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.shmop-open.html" class="function">shmop_open()</a></span> now returns a resource instead of an int, which has to be passed to <span class="function"><a href="function.shmop-size.html" class="function">shmop_size()</a></span>, <span class="function"><a href="function.shmop-write.html" class="function">shmop_write()</a></span>, <span class="function"><a href="function.shmop-read.html" class="function">shmop_read()</a></span>, <span class="function"><a href="function.shmop-close.html" class="function">shmop_close()</a></span> and <span class="function"><a href="function.shmop-delete.html" class="function">shmop_delete()</a></span>. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.substr.html" class="function">substr()</a></span> and <span class="function"><a href="function.iconv-substr.html" class="function">iconv_substr()</a></span> now return an empty string, if string is equal to start characters long. </span> </li> <li class="listitem"> <span class="simpara"> <span class="function"><a href="function.xml-parser-free.html" class="function">xml_parser_free()</a></span> is no longer sufficient to free the parser resource, if it references an object and this object references that parser resource. In this case it is necessary to additionally unset the $parser. </span> </li> </ul> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration70.deprecated.html">Deprecated features in PHP 7.0.x</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration70.new-functions.html">New functions</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>