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PHP Function array_change_key_case()
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Syntax
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array array_change_key_case ( array $input [, int $case] )
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Definition and Usage
Returns an array with all keys from input lowercased or uppercased. Numbered indices are left as is.
Paramters
| Parameter | Description |
|---|
| input | The array to work on |
| case | Either CASE_UPPER or CASE_LOWER (default) |
Return Values
Returns an array with its keys lower or uppercased, or false if input is not an array.
Example
Try out following example:
<?php
$input_array = array("FirSt" => 1, "SecOnd" => 4);
print_r(array_change_key_case($input_array, CASE_UPPER));
?>
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This will produce following result:
Array ( [FIRST] => 1 [SECOND] => 4 )
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