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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head>  <title>Global space</title>  <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="language.namespaces.using.html">Using namespaces</a></div> <div class="next" style="text-align: right; float: right;"><a href="language.namespaces.constant.html">__NAMESPACE__</a></div> <div class="up"><a href="language.namespaces.html">Namespaces</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="language.namespaces.global" class="sect1">  <h2 class="title">Global space</h2>  <p class="para">   Without any namespace definition, all class and function definitions are   placed into the global space - as it was in PHP before namespaces were   supported. Prefixing a name with <i>::</i> will specify that    the name is required from the global space even in the context of the    namespace.   <div class="example">    <p><b>Example #1 Using global space specification</b></p>    <div class="example-contents">     <div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />&nbsp;&nbsp;&nbsp;&nbsp;namespace&nbsp;A</span><span style="color: #007700">::</span><span style="color: #0000BB">B</span><span style="color: #007700">::</span><span style="color: #0000BB">C</span><span style="color: #007700">;<br />&nbsp;<br />&nbsp;</span><span style="color: #FF8000">/*&nbsp;This&nbsp;function&nbsp;is&nbsp;A::B::C::fopen&nbsp;*/<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">function&nbsp;</span><span style="color: #0000BB">fopen</span><span style="color: #007700">()&nbsp;{&nbsp;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">/*&nbsp;...&nbsp;*/<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$f&nbsp;</span><span style="color: #007700">=&nbsp;::</span><span style="color: #0000BB">fopen</span><span style="color: #007700">(...);&nbsp;</span><span style="color: #FF8000">//&nbsp;call&nbsp;global&nbsp;fopen<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">return&nbsp;</span><span style="color: #0000BB">$f</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>    </div>   </div>  </p> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="language.namespaces.using.html">Using namespaces</a></div> <div class="next" style="text-align: right; float: right;"><a href="language.namespaces.constant.html">__NAMESPACE__</a></div> <div class="up"><a href="language.namespaces.html">Namespaces</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>
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