📄 function.ob-end-clean.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Clean (erase) the output buffer and turn off output buffering</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="function.ob-clean.html">ob_clean</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ob-end-flush.html">ob_end_flush</a></div> <div class="up"><a href="ref.outcontrol.html">Output Control Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.ob-end-clean" class="refentry"> <div class="refnamediv"> <h1 class="refname">ob_end_clean</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">ob_end_clean</span> — <span class="dc-title">Clean (erase) the output buffer and turn off output buffering</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>ob_end_clean</b></b></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> This function discards the contents of the topmost output buffer and turns off this output buffering. If you want to further process the buffer's contents you have to call <a href="function.ob-get-contents.html" class="function">ob_get_contents()</a> before <b>ob_end_clean()</b> as the buffer contents are discarded when <b>ob_end_clean()</b> is called. </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. Reasons for failure are first that you called the function without an active buffer or that for some reason a buffer could not be deleted (possible for special buffer). </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> If the function fails it generates an <b><tt>E_NOTICE</tt></b>. </p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">4.2.0</td> <td colspan="1" rowspan="1" align="left"> The boolean return value was added. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> The following example shows an easy way to get rid of all output buffers: </p> <p class="para"> <div class="example"> <p><b>Example #1 <b>ob_end_clean()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />ob_start</span><span style="color: #007700">();<br />echo </span><span style="color: #DD0000">'Text that won\'t get displayed.'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">ob_end_clean</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.ob-start.html" class="function" rel="rdfs-seeAlso">ob_start()</a></li> <li class="member"><a href="function.ob-get-contents.html" class="function" rel="rdfs-seeAlso">ob_get_contents()</a></li> <li class="member"><a href="function.ob-flush.html" class="function" rel="rdfs-seeAlso">ob_flush()</a></li> </ul> </p> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ob-clean.html">ob_clean</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ob-end-flush.html">ob_end_flush</a></div> <div class="up"><a href="ref.outcontrol.html">Output Control Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -