January 9, 2020
How to change array keys from uppercase to lowercase in php
In this tutorial we are going to see, how to change array keys from uppercase to lowercase.
array_change_key_case() predefined php function will be used to changes all keys in array to lowercase or uppercase.
Method Syntax : array_change_key_case(array,case);
First Parameter : array
Second parameter : It is optional,you can pass either CASE_LOWER or CASE_UPPER and default value is “CASE_LOWER”.
Example : array_change_key_case() function in PHP.
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$input_array = array("oNe" => 10, "TwO" => 20); print_r(array_change_key_case($input_array, CASE_UPPER)); |
Output will be
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Array ( [ONE] => 10 [TWO] => 20 ) |
I hope you like this Post, Please feel free to comment below.Happy Coding…
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About Author
Jegadeesh
Jegadeesh from Tamilnadu (India). I have been working as a software engineer from last 5+ years, Very much interested in surfing internet and exploring new things.