";
print("0. first and last names are: $firstName $lastName
");
//1
echo '1. first name length is ' . strlen($firstName)
. ' last name length is ' . strlen($lastName) . "
";
// 2
$firstName = trim($firstName);
echo '2. first name ' . $firstName . " trimmed so length " . strlen($firstName) . "
";
$lastName = trim($lastName);
//3
$firstName = ucfirst(strtolower($firstName));
$lastName = ucfirst(strtolower($lastName));
//4
echo "3/4. last name trimmed, first letters in upperCase, concatenated
";
$fullName = $firstName . ' ' . $lastName;
echo "   now full name is " . $fullName . "
";
// 5
$editedName = $lastName . ',' . ' ' . $firstName;
echo '5. concatenating lastName, comma, space, firstName --> $editedName '
. $editedName . "
";
// 6
$pos = strpos($editedName,',',0);
echo "6. comma is in $pos
";
// 7
$len = $pos;
$lastName = substr($editedName,0,$len);
$firstName = substr($editedName, $pos + 1);
echo '7. names extracted from $editedName: '.$lastName ." ".$firstName."
";
echo "   names extracted from $editedName: $lastName $firstName
";
// 8
$nameArray = explode(', ', $editedName);
echo '8. $nameArray[0] is ' . $nameArray[0] . ' nameArray[1] is ' . $nameArray[1] . "
";
?>