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PHP CRUD Operations with PHP Reading and Writing Reports Filtering Data

Posted by Tatenda Andrew Kwandara
Tatenda Andrew Kwandara
18,322 Points

Add an OPTIONAL parameter to accept if the function should return only people who have been Treehouse teachers. If the p

how do i solve this

index.php 
<?php
function get_people() {
    include 'connection.php';

    //add code here
   try {
      if ($filter) {
        $sql='SELECT * FROM people WHERE treehouse = 1 ORDER BY last_name DESC'; 
      } else {
        $sql='SELECT * FROM people ORDER BY last_name DESC'; 
      }
      $results = $db->prepare($sql);
      $results->execute();
      return $results->fetchAll(PDO::FETCH_ASSOC);
    } catch(Exception $e) {
      echo "Error: " . $e->getMessage();
    } 
}

1 Answer

Steven Parker
Steven Parker
231,236 Points
Steven Parker
Steven Parker
231,236 Points

You're really close! All you need now is to add your new parameter to the function definition and make it optional:

<?php
function get_people($filter = null) {

Also, that error handling was a nice touch, but not needed for the challenge. For best results with the challenges, do only what they ask for since sometimes it can confuse the validation.