<!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>Basic usage</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="outcontrol.examples.html">Examples</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.outcontrol.html">Output Control Functions</a></div> <div class="up"><a href="outcontrol.examples.html">Examples</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="outcontrol.examples.basic" class="section"> <h2 class="title">Basic usage</h2> <p class="para"> <div class="example" id="example-464"> <p><strong>Example #1 Output Control example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /><br />ob_start</span><span style="color: #007700">();<br />echo </span><span style="color: #DD0000">"Hello\n"</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">setcookie</span><span style="color: #007700">(</span><span style="color: #DD0000">"cookiename"</span><span style="color: #007700">, </span><span style="color: #DD0000">"cookiedata"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">ob_end_flush</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> <p class="para"> In the above example, the output from <span class="function"><a href="function.echo.html" class="function">echo</a></span> would be stored in the output buffer until <span class="function"><a href="function.ob-end-flush.html" class="function">ob_end_flush()</a></span> was called. In the mean time, the call to <span class="function"><a href="function.setcookie.html" class="function">setcookie()</a></span> successfully stored a cookie without causing an error. (You can not normally send headers to the browser after data has already been sent.) </p> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="outcontrol.examples.html">Examples</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.outcontrol.html">Output Control Functions</a></div> <div class="up"><a href="outcontrol.examples.html">Examples</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>