array_change_key_case

PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8
array_change_key_case - Changes the case of all keys in an array
Array Change Key Case Online Tool
Manual
Code Examples

Example #1 array_change_key_case example

Result: Array ( [FIRST] => 1 [SECOND] => 4 )
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Example #2 of array_change_key_case

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Function array_change_key_case:

Arrays Functions

Most used PHP functions