<?php
$n = 2.85434;
$n1 = round ($n , 2);
$n2 = round ($n);
echo "<div style='font-size:22px;color:#996633;'>";
echo "Two decimals: $n1. Simple round: $n2";
echo "<br>";
$s2 = substr_replace ("oklahoma", "*", -2, 2);
echo $s2;
echo "<br>";
$state = "Texas";
$p = strpos ($state, "x");
echo "$p<br>";
$city = "Walla";
$twice = "$city"." ".$city;
echo "$twice<br>";
echo "</div>";
?>