intro.outcontrol.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 39 行
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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>Introduction</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="book.outcontrol.html">Output Control</a></div> <div class="next" style="text-align: right; float: right;"><a href="outcontrol.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.outcontrol.html">Output Control</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="intro.outcontrol" class="preface"> <h1 class="title">Introduction</h1> <p class="para"> The Output Control functions allow you to control when output is sent from the script. This can be useful in several different situations, especially if you need to send headers to the browser after your script has began outputting data. The Output Control functions do not affect headers sent using <a href="function.header.html" class="function">header()</a> or <a href="function.setcookie.html" class="function">setcookie()</a>, only functions such as <a href="function.echo.html" class="function">echo()</a> and data between blocks of PHP code. </p> <blockquote><p><b class="note">Note</b>: When upgrading from PHP 4.1.x (and 4.2.x) to 4.3.x due to a bug in earlier versions you must ensure that <i>implict_flush</i> is <i>OFF</i> in your <var class="filename">php.ini</var>, otherwise any output with <a href="function.ob-start.html" class="function">ob_start()</a> will not be hidden from output. <br /> </p></blockquote> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.outcontrol.html">Output Control</a></div> <div class="next" style="text-align: right; float: right;"><a href="outcontrol.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.outcontrol.html">Output Control</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>
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