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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>Waits until the output from a process matches one of the patterns, a specified time period has passed, or an EOF is seen</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="ref.expect.html">Expect Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.expect-popen.html">expect_popen</a></div> <div class="up"><a href="ref.expect.html">Expect Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.expect-expectl" class="refentry"> <div class="refnamediv"> <h1 class="refname">expect_expectl</h1> <p class="verinfo">(PECL expect:0.1-0.2.2)</p><p class="refpurpose"><span class="refname">expect_expectl</span> — <span class="dc-title">Waits until the output from a process matches one of the patterns, a specified time period has passed, or an EOF is seen </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>expect_expectl</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$expect</tt></span> , <span class="methodparam"><span class="type">array</span> <tt class="parameter">$cases</tt></span> [, <span class="methodparam"><span class="type">array</span> <tt class="parameter reference">&$match</tt></span> ] )</div> <p class="para rdfs-comment"> Waits until the output from a process matches one of the patterns, a specified time period has passed, or an EOF is seen. </p> <p class="para"> If <i><tt class="parameter">match</tt></i> is provided, then it is filled with the result of search. The matched string can be found in <i><tt class="parameter">match[0]</tt></i>. The match substrings (according to the parentheses) in the original pattern can be found in <i><tt class="parameter">match[1]</tt></i>, <i><tt class="parameter">match[2]</tt></i>, and so on, up to <i><tt class="parameter">match[9]</tt></i> (the limitation of libexpect). </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">expect</tt></i></span> <dd> <p class="para"> An Expect stream, previously opened with <a href="function.expect-popen.html" class="function">expect_popen()</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">cases</tt></i></span> <dd> <p class="para"> An array of expect cases. Each expect case is an indexed array, as described in the following table: <table border="5"> <caption><b>Expect Case Array</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Index Key</th> <th colspan="1">Value Type</th> <th colspan="1">Description</th> <th colspan="1">Is Mandatory</th> <th colspan="1">Default Value</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">0</td> <td colspan="1" rowspan="1" align="left">string</td> <td colspan="1" rowspan="1" align="left">pattern, that will be matched against the output from the stream</td> <td colspan="1" rowspan="1" align="left">yes</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">1</td> <td colspan="1" rowspan="1" align="left">mixed</td> <td colspan="1" rowspan="1" align="left">value, that will be returned by this function, if the pattern matches</td> <td colspan="1" rowspan="1" align="left">yes</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">2</td> <td colspan="1" rowspan="1" align="left">integer</td> <td colspan="1" rowspan="1" align="left"> pattern type, one of: <a href="expect.constants.html#constants.expect.exp_glob" class="link"><b><tt>EXP_GLOB</tt></b></a>, <a href="expect.constants.html#constants.expect.exp_exact" class="link"><b><tt>EXP_EXACT</tt></b></a> or <a href="expect.constants.html#constants.expect.exp_regexp" class="link"><b><tt>EXP_REGEXP</tt></b></a> </td> <td colspan="1" rowspan="1" align="left">no</td> <td colspan="1" rowspan="1" align="left"><a href="expect.constants.html#constants.expect.exp_glob" class="link"><b><tt>EXP_GLOB</tt></b></a></td> </tr> </tbody> </colgroup> </table> </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns value associated with the pattern that was matched. </p> <p class="para"> On failure this function returns: <a href="expect.constants.html#constants.expect.exp_eof" class="link"><b><tt>EXP_EOF</tt></b></a>, <a href="expect.constants.html#constants.expect.exp_timeout" class="link"><b><tt>EXP_TIMEOUT</tt></b></a> or <a href="expect.constants.html#constants.expect.exp_fullbuffer" class="link"><b><tt>EXP_FULLBUFFER</tt></b></a> </p> </div> <div class="refsect1 changelog"> <h3 class="title">ChangeLog</h3> <p class="para"> <table class="informaltable"> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Version</th> <th colspan="1">Description</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">0.2.1</td> <td colspan="1" rowspan="1" align="left"> Prior to version 0.2.1, in <i><tt class="parameter">match</tt></i> parameter a match string was returned, not an array of match substrings. </td> </tr> </tbody> </colgroup> </table> </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>expect_expectl()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Copies file from remote host:<br /></span><span style="color: #0000BB">ini_set </span><span style="color: #007700">(</span><span style="color: #DD0000">"expect.timeout"</span><span style="color: #007700">, </span><span style="color: #0000BB">30</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$stream </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen </span><span style="color: #007700">(</span><span style="color: #DD0000">"expect://scp user@remotehost:/var/log/messages /home/user/messages.txt"</span><span style="color: #007700">, </span><span style="color: #DD0000">"r"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$cases </span><span style="color: #007700">= array (<br /> array (</span><span style="color: #0000BB">0 </span><span style="color: #007700">=> </span><span style="color: #DD0000">"password:"</span><span style="color: #007700">, </span><span style="color: #0000BB">1 </span><span style="color: #007700">=> </span><span style="color: #0000BB">PASSWORD</span><span style="color: #007700">),<br /> array (</span><span style="color: #0000BB">0 </span><span style="color: #007700">=> </span><span style="color: #DD0000">"yes/no)?"</span><span style="color: #007700">, </span><span style="color: #0000BB">1 </span><span style="color: #007700">=> </span><span style="color: #0000BB">YESNO</span><span style="color: #007700">)<br />);<br /><br />while (</span><span style="color: #0000BB">true</span><span style="color: #007700">) {<br /> switch (</span><span style="color: #0000BB">expect_expectl </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #0000BB">$cases</span><span style="color: #007700">))<br /> {<br /> case </span><span style="color: #0000BB">PASSWORD</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">fwrite </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #DD0000">"password\n"</span><span style="color: #007700">);<br /> break;<br /><br /> case </span><span style="color: #0000BB">YESNO</span><span style="color: #007700">:<br /> </span><span style="color: #0000BB">fwrite </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">, </span><span style="color: #DD0000">"yes\n"</span><span style="color: #007700">);<br /> break;<br /><br /> case </span><span style="color: #0000BB">EXP_TIMEOUT</span><span style="color: #007700">:<br /> case </span><span style="color: #0000BB">EXP_EOF</span><span style="color: #007700">:<br /> break </span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /> <br /> default:<br /> die (</span><span style="color: #DD0000">"Error has occurred!\n"</span><span style="color: #007700">);<br /> }<br />}<br /><br /></span><span style="color: #0000BB">fclose </span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.expect-popen.html" class="function" rel="rdfs-seeAlso">expect_popen()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.expect.html">Expect Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.expect-popen.html">expect_popen</a></div> <div class="up"><a href="ref.expect.html">Expect 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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