<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Introduction</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.readline.html">Readline</a></div> <div class="next" style="text-align: right; float: right;"><a href="readline.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.readline.html">Readline</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="intro.readline" class="preface"> <h1 class="title">Introduction</h1> <p class="para"> The readline functions implement an interface to the GNU Readline library. These are functions that provide editable command lines. An example being the way Bash allows you to use the arrow keys to insert characters or scroll through command history. Because of the interactive nature of this library, it will be of little use for writing Web applications, but may be useful when writing scripts used from a <a href="features.commandline.html" class="link">command line</a>. </p> <blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">This extension is not available on Windows platforms.</span></p></blockquote> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.readline.html">Readline</a></div> <div class="next" style="text-align: right; float: right;"><a href="readline.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.readline.html">Readline</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>
