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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>PHP Filter the Values of an Array Using Keys</title> </head> <body> <pre> <?php // Sample array $numbers = array("a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5); // Filtering numbers array using key $result = array_filter($numbers, function($key){ return $key > "b"; }, ARRAY_FILTER_USE_KEY); print_r($result); ?> </pre> </body> </html>
