examples of ternary operators

ternary.php

<?php
// #1, Larry Ullman, p.76

$q = 'SELECT UNIX_TIMESTAMP(MAX(date_added)), UNIX_TIMESTAMP(MAX(date_completed)) FROM tasks';
$r = mysqli_query($dbc,$q);
list($max_a,$max_c) = mysqli_fetch_array($r,MYSQLI_NUM);

$max = ($max_a > $max_c) ? $max_a : $max_c;

// #2, Bob Ray, p.285
$sortType = empty($sortType) ? 'NONE' : $sortType;
$delimeter = empty($delimeter) ? ',' : $delimeter;

// #3, Bob Ray, p.281
return $value == true ? 'Yes' : 'No';