security.magicquotes.html
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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>Magic Quotes</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="security.variables.html">User Submitted Data</a></div> <div class="next" style="text-align: right; float: right;"><a href="security.magicquotes.why.html">Why use Magic Quotes</a></div> <div class="up"><a href="security.html">Security</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1>Magic Quotes</h1><h2>Table of Contents</h2><ul class="chunklist chunklist_chapter"><li><a href="security.magicquotes.why.html">Why use Magic Quotes</a></li><li><a href="security.magicquotes.whynot.html">Why not to use Magic Quotes</a></li><li><a href="security.magicquotes.disabling.html">Disabling Magic Quotes</a></li></ul> <div class="warning"><b class="warning">Warning</b><p class="simpara">This feature has been<em class="emphasis">DEPRECATED</em> and <em class="emphasis">REMOVED</em> as of PHP 6.0.0.Relying on this feature is highly discouraged.</p></div> <p class="para"> Magic Quotes is a process that automagically escapes incoming data to the PHP script. It's preferred to code with magic quotes off and to instead escape the data at runtime, as needed. </p> <div id="security.magicquotes.what" class="sect1"> <h2 class="title">What are Magic Quotes</h2> <p class="para"> When on, all <i>'</i> (single-quote), <i>"</i> (double quote), <i>\</i> (backslash) and <i>NULL</i> characters are escaped with a backslash automatically. This is identical to what <a href="function.addslashes.html" class="function">addslashes()</a> does. </p> <p class="para"> There are three magic quote directives: </p> <ul class="itemizedlist"> <li class="listitem"> <span class="simpara"> <a href="info.configuration.html#ini.magic-quotes-gpc" class="link">magic_quotes_gpc</a> </span> <span class="simpara"> Affects HTTP Request data (GET, POST, and COOKIE). Cannot be set at runtime, and defaults to <em class="emphasis">on</em> in PHP. </span> <span class="simpara"> See also <a href="function.get-magic-quotes-gpc.html" class="function">get_magic_quotes_gpc()</a>. </span> </li> <li class="listitem"> <span class="simpara"> <a href="info.configuration.html#ini.magic-quotes-runtime" class="link">magic_quotes_runtime</a> </span> <span class="simpara"> If enabled, most functions that return data from an external source, including databases and text files, will have quotes escaped with a backslash. Can be set at runtime, and defaults to <em class="emphasis">off</em> in PHP. </span> <span class="simpara"> See also <a href="function.set-magic-quotes-runtime.html" class="function">set_magic_quotes_runtime()</a> and <a href="function.get-magic-quotes-runtime.html" class="function">get_magic_quotes_runtime()</a>. </span> </li> <li class="listitem"> <span class="simpara"> <a href="sybase.configuration.html#ini.magic-quotes-sybase" class="link">magic_quotes_sybase</a> </span> <span class="simpara"> If enabled, a single-quote is escaped with a single-quote instead of a backslash. If on, it completely overrides <a href="info.configuration.html#ini.magic-quotes-gpc" class="link">magic_quotes_gpc</a>. Having both directives enabled means only single quotes are escaped as <i>''</i>. Double quotes, backslashes and NULL's will remain untouched and unescaped. </span> <span class="simpara"> See also <a href="function.ini-get.html" class="function">ini_get()</a> for retrieving its value. </span> </li> </ul> </div> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="security.variables.html">User Submitted Data</a></div> <div class="next" style="text-align: right; float: right;"><a href="security.magicquotes.why.html">Why use Magic Quotes</a></div> <div class="up"><a href="security.html">Security</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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