<?php
$order = array(
85,
35,
58,
68
);
$array = array(
array("id" => 58, "title" => "Must Be #3"),
array("id" => 85, "title" => "Must Be #1"),
array("id" => 68, "title" => "Must Be #4"),
array("id" => 35, "title" => "Must Be #2"),
array("id" => 69, "title" => "Dont Care #1"),
array("id" => 77, "title" => "Dont Care #2"),
array("id" => 79, "title" => "Dont Care #3"),
array("id" => 80, "title" => "Dont Care #4")
);
function custom_compare($a, $b){
global $order;
$a = array_search($a["id"], $order);
$b = array_search($b["id"], $order);
if($a === false && $b === false) { // both items are dont cares
return 0; // a == b
}
else if ($a === false) { // $a is a dont care item
return 1; // $a > $b
}
else if ($b === false) { // $b is a dont care item
return -1; // $a < $b
}
else {
return $a - $b;
}
}
usort($array, "custom_compare");
foreach($array as $item):
echo $item["id"];
echo $item["title"];
echo "\r\n";
endforeach;
?>
- Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- 85Must Be #1
35Must Be #2
58Must Be #3
68Must Be #4
69Dont Care #1
77Dont Care #2
79Dont Care #3
80Dont Care #4
- Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
- 85Must Be #1
35Must Be #2
58Must Be #3
68Must Be #4
80Dont Care #4
79Dont Care #3
69Dont Care #1
77Dont Care #2
preferences:
184.98 ms | 404 KiB | 343 Q