Here is line 5 for($i=2005,$i<2016,$i++){
here is the rest of the code just in case anybody asks.
<?php
echo $today = date("m/d/Y")."<br/>";
$myString = "The quick brown fox jumps over the lazy dog";
$year = $i+4;
for($i=2005,$i<2016,$i++){
if($i+date("L"))
echo $year()is a leap year;
$myString = strtoupper($myString);
}else{
echo $year() is not a leap year;
$myString = strtolower($myString);}
if($i=2015)
echo "The quick brown fox jumps over the lazy dog";
str_replace(fox,cat);
?>