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array_change_key_case(3) [php man page]

ARRAY_CHANGE_KEY_CASE(3)						 1						  ARRAY_CHANGE_KEY_CASE(3)

array_change_key_case - Changes the case of all keys in an array

SYNOPSIS

       array array_change_key_case (array  $array, [int  $case = CASE_LOWER])

DESCRIPTION

	Returns an array with all keys from $array lowercased or uppercased. Numbered indices are left as is.

PARAMETERS

	      o $array
		- The array to work on

	      o $case
		- Either CASE_UPPER or CASE_LOWER (default)

RETURN VALUES

	Returns an array with its keys lower or uppercased, or FALSE if $array is not an array.

ERRORS
/EXCEPTIONS
	Throws E_WARNING if $array is not an array.

EXAMPLES

       Example #1

	      array_change_key_case(3) example

	      <?php
	      $input_array = array("FirSt" => 1, "SecOnd" => 4);
	      print_r(array_change_key_case($input_array, CASE_UPPER));
	      ?>

	      The above example will output:

	      Array
	      (
		  [FIRST] => 1
		  [SECOND] => 4
	      )

NOTES

       Note

	       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.

PHP Documentation Group 												  ARRAY_CHANGE_KEY_CASE(3)

Check Out this Related Man Page

ARRAY_POP(3)								 1							      ARRAY_POP(3)

array_pop - Pop the element off the end of array

SYNOPSIS

       mixed array_pop (array  &$array)

DESCRIPTION

       array_pop(3) pops and returns the last value of the $array, shortening the $array by one element.

       Note

	      This function will reset(3) the array pointer of the input array after use.

PARAMETERS

	      o $array
		- The array to get the value from.

RETURN VALUES

	Returns the last value of $array. If $array is empty (or is not an array), NULL will be returned.

ERRORS
/EXCEPTIONS
	This function will produce an error of level  E_WARNING when called on a non-array.

EXAMPLES

       Example #1

	      array_pop(3) example

	      <?php
	      $stack = array("orange", "banana", "apple", "raspberry");
	      $fruit = array_pop($stack);
	      print_r($stack);
	      ?>

	       After this, $stack will have only 3 elements:

	      Array
	      (
		  [0] => orange
		  [1] => banana
		  [2] => apple
	      )

	       and raspberry will be assigned to $fruit.

SEE ALSO

       array_push(3), array_shift(3), array_unshift(3).

PHP Documentation Group 													      ARRAY_POP(3)
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