function.ini-set.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 108 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>Sets the value of a configuration option</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.ini-restore.html">ini_restore</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.main.html">main</a></div> <div class="up"><a href="ref.info.html">PHP Options/Info Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.ini-set" class="refentry"> <div class="refnamediv"> <h1 class="refname">ini_set</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">ini_set</span> — <span class="dc-title">Sets the value of a configuration option</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>ini_set</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$varname</tt></span> , <span class="methodparam"><span class="type">string</span> <tt class="parameter">$newvalue</tt></span> )</div> <p class="para rdfs-comment"> Sets the value of the given configuration option. The configuration option will keep this new value during the script's execution, and will be restored at the script's ending. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">varname</tt></i></span> <dd> <p class="para"> </p> <p class="para"> Not all the available options can be changed using <b>ini_set()</b>. There is a list of all available options in the <a href="ini.html#ini.list" class="link">appendix</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">newvalue</tt></i></span> <dd> <p class="para"> The new value for the option. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the old value on success, <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.get-cfg-var.html" class="function" rel="rdfs-seeAlso">get_cfg_var()</a></li> <li class="member"><a href="function.ini-get.html" class="function" rel="rdfs-seeAlso">ini_get()</a></li> <li class="member"><a href="function.ini-get-all.html" class="function" rel="rdfs-seeAlso">ini_get_all()</a></li> <li class="member"><a href="function.ini-restore.html" class="function" rel="rdfs-seeAlso">ini_restore()</a></li> <li class="member"> <a href="configuration.changes.html" class="link">How to change configuration settings</a> </li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ini-restore.html">ini_restore</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.main.html">main</a></div> <div class="up"><a href="ref.info.html">PHP Options/Info Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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