[Php function] -- array function -- array_change_key_case

: This article mainly introduces [php functions] -- array functions -- array_change_key_case. For more information about PHP tutorials, see. Array_change_key_case

• Version:> = Php4.2
• Description: Array_change_key_case (array Input [, int Case = CASE_LOWER]) to convert the key of the array to uppercase or lowercase.
• Parameters:
  
  • Input: converted array
  • Case: upper case: CASE_UPPER lower case: CASE_LOWER (default)
• Example:

$ Input = array ("startTime" => 1, "endTime" => 2); $ output = array_change_key_case ($ input, CASE_LOWER); print_r ($ output ); // result # array ([starttime] => 1, [endtime] => 2)

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