{
return $pup1->name == $pup2->name ? 0 : ($pup1->name < $pup2->name ? -1 : 1);
}
function sortPupsByBreed($pup1, $pup2)
{
return $pup1->breed == $pup2->breed ? 0 : ($pup1->breed < $pup2->breed ? -1 : 1);
}
function sortPupsByWeight($pup1, $pup2)
{
return $pup1->weight == $pup2->weight ? 0 : ($pup1->weight < $pup2->weight ? -1 : 1);
}
function sortPupsByPersonality($pup1, $pup2)
{
return $pup1->personality == $pup2->personality ? 0 : ($pup1->personality < $pup2->personality ? -1 : 1);
}
$sort_function = getSortFunction($selected_sort);
// Default sort is by date added
if ($sort_function != "") {
usort($pups, $sort_function);
}
?>
<!-- Header -->
<?php
include "files/header.php";
?>
<!-- Navigation Bar -->
<div id='navbar-items'>
<h2 id='add-title' class=<?php
echo getClass('index.php');
$timeOfDay = "morning";
return function ($name) use(&$timeOfDay) {
$timeOfDay = ucfirst($timeOfDay);
return "Good {$timeOfDay}, {$name}!";
};
}
$greetingFunction = getGreetingFunction();
echo $greetingFunction("Fred");
// Displays "Good Morning, Fred!"
$people = array(array("name" => "Fred", "age" => 39), array("name" => "Sally", "age" => 23), array("name" => "Mary", "age" => 46));
function getSortFunction($sortKey)
{
return function ($personA, $personB) use($sortKey) {
return $personA[$sortKey] < $personB[$sortKey] ? -1 : 1;
};
}
echo "Sorted by name:<br><br>";
usort($people, getSortFunction("name"));
print_r($people);
echo "<br>";
echo "Sorted by age:<br><br>";
usort($people, getSortFunction("age"));
print_r($people);
echo "<br>";
?>
</pre>
<?php
require_once '../../includes/footer.php';
?>
};
## Criando sua própria função com callback
$names = array("Marco", "Hiolanda", "Gabriel", "Jeff");
function iteratorTabajara($array, $callback = false)
{
if (is_callable($callback)) {
foreach ($array as $value) {
call_user_func($callback, $value);
}
}
}
$myNameIs = function ($name) {
echo "Meu nome eh {$name}\n";
};
iteratorTabajara($names, $myNameIs);
## Closure High Level
$people = array(array("nome" => "Marco", "idade" => 23), array("nome" => "Hiolanda", "idade" => 25));
function getSortFunction($sortKey)
{
return function ($personA, $personB) use($sortKey) {
return $personA[$sortKey] < $personB[$sortKey] ? -1 : 1;
};
}
echo "Ordenado por nome:<br><br>";
usort($people, getSortFunction("nome"));
print_r($people);
echo "<br>";
echo "Ordenado por idade:<br><br>";
usort($people, getSortFunction("idade"));
print_r($people);
echo "<br>";
