outcontrol.configuration.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 164 行
HTML
164 行
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Runtime Configuration</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="outcontrol.installation.html">Installation</a></div> <div class="next" style="text-align: right; float: right;"><a href="outcontrol.resources.html">Resource Types</a></div> <div class="up"><a href="outcontrol.setup.html">Installing/Configuring</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="outcontrol.configuration" class="section"> <h2 class="title">Runtime Configuration</h2> <p class="simpara">The behaviour of these functions is affected by settings in <var class="filename">php.ini</var>.</p> <p class="para"> <table border="5"> <caption><b>Output Control configuration options</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Name</th> <th colspan="1">Default</th> <th colspan="1">Changeable</th> <th colspan="1">Changelog</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">output_buffering</td> <td colspan="1" rowspan="1" align="left">"0"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_PERDIR</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">output_handler</td> <td colspan="1" rowspan="1" align="left">NULL</td> <td colspan="1" rowspan="1" align="left">PHP_INI_PERDIR</td> <td colspan="1" rowspan="1" align="left">Available since PHP 4.0.4.</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">implicit_flush</td> <td colspan="1" rowspan="1" align="left">"0"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td> <td colspan="1" rowspan="1" align="left">PHP_INI_PERDIR in PHP <= 4.2.3.</td> </tr> </tbody> </colgroup> </table> For further details and definitions of the PHP_INI_* constants, see the <a href="ini.html" class="xref">php.ini directives</a>. </p> <p class="para">Here's a short explanation ofthe configuration directives.</p> <p class="para"> <dl> <dt id="ini.output-buffering"> <span class="term"> <i><tt class="parameter">output_buffering</tt></i> <a href="language.types.boolean.html" class="type boolean">boolean</a>/<a href="language.types.integer.html" class="type integer">integer</a> </span> <dd> <p class="para"> You can enable output buffering for all files by setting this directive to 'On'. If you wish to limit the size of the buffer to a certain size - you can use a maximum number of bytes instead of 'On', as a value for this directive (e.g., output_buffering=4096). As of PHP 4.3.5, this directive is always Off in PHP-CLI. </p> </dd> </dt> <dt id="ini.output-handler"> <span class="term"> <i><tt class="parameter">output_handler</tt></i> <a href="language.types.string.html" class="type string">string</a> </span> <dd> <p class="para"> You can redirect all of the output of your scripts to a function. For example, if you set output_handler to <a href="function.mb-output-handler.html" class="function">mb_output_handler()</a>, character encoding will be transparently converted to the specified encoding. Setting any output handler automatically turns on output buffering. </p> <blockquote><p><b class="note">Note</b>: You cannot use both <a href="function.mb-output-handler.html" class="function">mb_output_handler()</a> with <a href="function.ob-iconv-handler.html" class="function">ob_iconv_handler()</a> and you cannot use both <a href="function.ob-gzhandler.html" class="function">ob_gzhandler()</a> and <a href="zlib.configuration.html#ini.zlib.output-compression" class="link">zlib.output_compression</a>. <br /> </p></blockquote> <blockquote><p><b class="note">Note</b>: Only built-in functions can be used with this directive. For user defined functions, use <a href="function.ob-start.html" class="function">ob_start()</a>. <br /> </p></blockquote> </dd> </dt> <dt id="ini.implicit-flush"> <span class="term"> <i><tt class="parameter">implicit_flush</tt></i> <a href="language.types.boolean.html" class="type boolean">boolean</a> </span> <dd> <p class="para"> <b><tt>FALSE</tt></b> by default. Changing this to <b><tt>TRUE</tt></b> tells PHP to tell the output layer to flush itself automatically after every output block. This is equivalent to calling the PHP function <a href="function.flush.html" class="function">flush()</a> after each and every call to <a href="function.print.html" class="function">print()</a> or <a href="function.echo.html" class="function">echo()</a> and each and every <i>HTML</i> block. </p> <p class="para"> When using PHP within an web environment, turning this option on has serious performance implications and is generally recommended for debugging purposes only. This value defaults to <b><tt>TRUE</tt></b> when operating under the <i>CLI SAPI</i>. </p> <p class="para"> See also <a href="function.ob-implicit-flush.html" class="function">ob_implicit_flush()</a>. </p> </dd> </dt> </dl> </p></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="outcontrol.installation.html">Installation</a></div> <div class="next" style="text-align: right; float: right;"><a href="outcontrol.resources.html">Resource Types</a></div> <div class="up"><a href="outcontrol.setup.html">Installing/Configuring</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
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?