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array_change_key_case

array_change_key_case

Changes the case of all keys in an array

array **array_change_key_case** array $array int $case

Returns an array with all keys from lowercased or uppercased. Numbered indices are left as is. array

arrayThe array to work on

case Either or (default) CASE_UPPER``CASE_LOWER

Returns an array with its keys lower or uppercased.

Voorbeeld: example

<?php
$input_array = array("FirSt" => 1, "SecOnd" => 4);
print_r(array_change_key_case($input_array, CASE_UPPER));
?>

Array
(
    [FIRST] => 1
    [SECOND] => 4
)

Opmerking: > If an array has indices that will be the same once run through this function (e.g. "" and ""), the value that is later in the array will override other indices. keY``kEY

Vorige ← array_any Volgende array_chunk →

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