array_filter preserve keys
| Run Settings | |
|---|---|
| Language | PHP |
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| Snippet Metadata | |
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| Owner | Petter Rasmussen |
| Created | |
| Modified | |
| Visibility | Public |
<?php
$a = ["foo", "bar"];
$b = array_filter($a, function($item) {
return $item[0] == "f";
});
$c = array_filter($a, function($item) {
return $item[0] == "b";
});
echo json_encode($a, JSON_PRETTY_PRINT);
echo "\n\n";
echo json_encode($b, JSON_PRETTY_PRINT);
echo "\n\n";
echo json_encode($c, JSON_PRETTY_PRINT);
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