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array_change_key_case
(PHP 4 >= 4.2.0, PHP 5)
array_change_key_case -- Returns an array with all string keys lowercased or uppercasedDescription
array array_change_key_case ( array input [, int case] )
array_change_key_case() changes the
keys in the input
array to
be all lowercase or uppercase. The change depends
on the last optional case
parameter. You can pass two constants there,
CASE_UPPER and
CASE_LOWER. The default is
CASE_LOWER. The function will leave
number indices as is.
If an array has indices that will be the same once run through this function (e.g. "keY" and "kEY"), the value that is later in the array will override other indices.
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