DROP PROCEDURE IF EXISTS getJobs;
DELIMITER $$
CREATE PROCEDURE getJobs(IN inputName VARCHAR(50))
BEGIN
SELECT JobNo FROM jobs WHERE PersonnelName= inputName;
END $$
DELIMITER ;

<?php
//imports the connection
require "conn.php";

$name = "chrisf";

$call = mysqli_prepare($conn, 'CALL getJobs(?)');
mysqli_stmt_bind_param($call, 's', $name);
mysqli_stmt_execute($call);
$result = mysqli_use_result($conn);

//debug to check the result
echo '<pre>'; print_r($result); echo '</pre>';
//loop the result set and echo
while ($row = mysqli_fetch_array($result)){
//the command I expect to output the result
  echo "Entry" . $row[0] . "<br>";
//debug to check the result
 echo "Entry" .  $row . "<br>";
}

$conn->close();
?>

mysqli_result Object
(
[current_field] => 0
[field_count] => 1
[lengths] =>
[num_rows] => 0
[type] => 1
)

 Entry
 EntryArray