"; 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] . "
"; ?>