<!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>HTTP GET variables</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="reserved.variables.server.html">$_SERVER</a></div> <div class="next" style="text-align: right; float: right;"><a href="reserved.variables.post.html">$_POST</a></div> <div class="up"><a href="reserved.variables.html">Predefined Variables</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="reserved.variables.get" class="refentry"> <div class="refnamediv"> <h1 class="refname">$_GET</h1> <h1 class="refname">$HTTP_GET_VARS [deprecated]</h1> <p class="verinfo">(PHP 4 >= 4.1.0, PHP 5)</p><p class="refpurpose"><span class="refname">$_GET</span> -- <span class="refname">$HTTP_GET_VARS [deprecated]</span> — <span class="dc-title">HTTP GET variables</span></p> </div> <div class="refsect1 description" id="refsect1-reserved.variables.get-description"> <h3 class="title">Description</h3> <p class="para"> An associative array of variables passed to the current script via the URL parameters. </p> <p class="simpara"> <var class="varname"><var class="varname">$HTTP_GET_VARS</var></var> contains the same initial information, but is not a <a href="language.variables.superglobals.html" class="link">superglobal</a>. (Note that <var class="varname"><var class="varname">$HTTP_GET_VARS</var></var> and <var class="varname"><var class="varname">$_GET</var></var> are different variables and that PHP handles them as such) </p> </div> <div class="refsect1 changelog" id="refsect1-reserved.variables.get-changelog"> <h3 class="title">Changelog</h3> <p class="para"> <table class="doctable informaltable"> <thead> <tr> <th>Version</th> <th>Description</th> </tr> </thead> <tbody class="tbody"> <tr> <td>4.1.0</td> <td> Introduced <var class="varname"><var class="varname">$_GET</var></var> that deprecated <var class="varname"><var class="varname">$HTTP_GET_VARS</var></var>. </td> </tr> </tbody> </table> </p> </div> <div class="refsect1 examples" id="refsect1-reserved.variables.get-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="variable.get.basic"> <p><strong>Example #1 <var class="varname"><var class="varname">$_GET</var></var> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /></span><span style="color: #007700">echo </span><span style="color: #DD0000">'Hello ' </span><span style="color: #007700">. </span><span style="color: #0000BB">htmlspecialchars</span><span style="color: #007700">(</span><span style="color: #0000BB">$_GET</span><span style="color: #007700">[</span><span style="color: #DD0000">"name"</span><span style="color: #007700">]) . </span><span style="color: #DD0000">'!'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p> Assuming the user entered http://example.com/?name=Hannes </p></div> <div class="example-contents"><p>The above example will output something similar to:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> Hello Hannes! </pre></div> </div> </div> </p> </div> <div class="refsect1 notes" id="refsect1-reserved.variables.get-notes"> <h3 class="title">Notes</h3> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para">This is a 'superglobal', or automatic global, variable. This simply means that it is available in all scopes throughout a script. There is no need to do <strong class="command">global $variable;</strong> to access it within functions or methods. </p></p></blockquote> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para"> The GET variables are passed through <span class="function"><a href="function.urldecode.html" class="function">urldecode()</a></span>. </p> </p></blockquote> </div> <div class="refsect1 seealso" id="refsect1-reserved.variables.get-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="language.variables.external.html" class="link">Handling external variables</a></li> <li class="member"><a href="book.filter.html" class="link">The filter extension</a></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="reserved.variables.server.html">$_SERVER</a></div> <div class="next" style="text-align: right; float: right;"><a href="reserved.variables.post.html">$_POST</a></div> <div class="up"><a href="reserved.variables.html">Predefined Variables</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>