<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland", 23);

if (in_array("23", $people, TRUE))
&nbsp;&nbsp;  {
&nbsp;&nbsp;  echo "Match found<br>";
&nbsp;&nbsp;  }
else
&nbsp;&nbsp;  {
&nbsp;&nbsp;  echo "Match not found<br>";
&nbsp;&nbsp;  } 
if (in_array("Glenn",$people, TRUE))
&nbsp;&nbsp;  {
&nbsp;&nbsp;  echo "Match found<br>";
&nbsp;&nbsp;  }
else
&nbsp;&nbsp;  {
&nbsp;&nbsp;  echo "Match not found<br>";
&nbsp;&nbsp;  }

if (in_array(23,$people, TRUE))
&nbsp;&nbsp;  {
&nbsp;&nbsp;  echo "Match found<br>";
&nbsp;&nbsp;  }
else
&nbsp;&nbsp;  {
&nbsp;&nbsp;  echo "Match not found<br>";
&nbsp;&nbsp;  }
?>