php sort multidimensional array
function sortByAge($a, $b) {
return $a['age'] > $b['age'];
}
$people=[
["age"=>54,"first_name"=>"Bob","last_name"=>"Dillion"],
["age"=>22,"first_name"=>"Sarah","last_name"=>"Harvard"],
["age"=>31,"first_name"=>"Chuck","last_name"=>"Bartowski"]
];
usort($people, 'sortByAge'); //$people is now sorted by age (ascending)php sort multidimensional array by key
function buildSorter($key) {
return function ($a, $b) use ($key) {
return strnatcmp($a[$key], $b[$key]);
};
}
usort($array, buildSorter('key_b'));Copyright © 2021 Codeinu
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