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  <p class="para">
   The following example connects to the remote host, determines whether
   installed OS is for 32 or 64 bit, then runs update for specific package.
  </p>
  <div class="example">
   <p><b>Example #2 Another Expect Usage Example</b></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">"expect.timeout"</span><span style="color: #007700">,&nbsp;-</span><span style="color: #0000BB">1</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">ini_set</span><span style="color: #007700">(</span><span style="color: #DD0000">"expect.loguser"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"Off"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$stream&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">expect_popen</span><span style="color: #007700">(</span><span style="color: #DD0000">"ssh&nbsp;root@remotehost"</span><span style="color: #007700">);<br /><br />while&nbsp;(</span><span style="color: #0000BB">true</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;switch&nbsp;(</span><span style="color: #0000BB">expect_expectl&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">,&nbsp;array&nbsp;(<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;array&nbsp;(</span><span style="color: #DD0000">"password:"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">PASSWORD</span><span style="color: #007700">),&nbsp;</span><span style="color: #FF8000">//&nbsp;SSH&nbsp;is&nbsp;asking&nbsp;for&nbsp;password<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">array&nbsp;(</span><span style="color: #DD0000">"yes/no)?"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">YESNO</span><span style="color: #007700">),&nbsp;</span><span style="color: #FF8000">//&nbsp;SSH&nbsp;is&nbsp;asking&nbsp;whether&nbsp;to&nbsp;store&nbsp;the&nbsp;host&nbsp;entry<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">array&nbsp;(</span><span style="color: #DD0000">"~$&nbsp;"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">SHELL</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">EXP_EXACT</span><span style="color: #007700">),&nbsp;</span><span style="color: #FF8000">//&nbsp;We've&nbsp;got&nbsp;the&nbsp;shell!<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">)))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">PASSWORD</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">fwrite&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"secret\n"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">YESNO</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">fwrite&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"yes\n"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">SHELL</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">fwrite&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"uname&nbsp;-a\n"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;while&nbsp;(</span><span style="color: #0000BB">true</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;switch&nbsp;(</span><span style="color: #0000BB">expect_expectl&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">,&nbsp;array&nbsp;(<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;array&nbsp;(</span><span style="color: #DD0000">"~$&nbsp;"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">SHELL</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">EXP_EXACT</span><span style="color: #007700">),&nbsp;</span><span style="color: #FF8000">//&nbsp;We've&nbsp;got&nbsp;the&nbsp;shell!<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">array&nbsp;(</span><span style="color: #DD0000">"^Linux.*$"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">UNAME</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">EXP_REGEXP</span><span style="color: #007700">),&nbsp;</span><span style="color: #FF8000">//&nbsp;uname&nbsp;-a&nbsp;output<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">),&nbsp;</span><span style="color: #0000BB">$match</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">UNAME</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">$uname&nbsp;</span><span style="color: #007700">.=&nbsp;</span><span style="color: #0000BB">$match</span><span style="color: #007700">[</span><span style="color: #0000BB">0</span><span style="color: #007700">];<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">SHELL</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #FF8000">//&nbsp;Run&nbsp;update:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">if&nbsp;(</span><span style="color: #0000BB">strstr&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$uname</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"x86_64"</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">fwrite&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"rpm&nbsp;-Uhv&nbsp;http://mirrorsite/somepath/some_64bit.rpm\n"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;else&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">fwrite&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"rpm&nbsp;-Uhv&nbsp;http://mirrorsite/somepath/some_32bit.rpm\n"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">fwrite&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"exit\n"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">EXP_TIMEOUT</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">EXP_EOF</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;default:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;die&nbsp;(</span><span style="color: #DD0000">"Error&nbsp;has&nbsp;occurred!\n"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">EXP_TIMEOUT</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;case&nbsp;</span><span style="color: #0000BB">EXP_EOF</span><span style="color: #007700">:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;break&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">;<br /><br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;default:<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;die&nbsp;(</span><span style="color: #DD0000">"Error&nbsp;has&nbsp;occurred!\n"</span><span style="color: #007700">);<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></span><span style="color: #0000BB">fclose&nbsp;</span><span style="color: #007700">(</span><span style="color: #0000BB">$stream</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
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