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|
--TEST--
Test array_change_key_case() function : usage variations - multidimensional arrays
--FILE--
<?php
/* Prototype : array array_change_key_case(array $input [, int $case])
* Description: Retuns an array with all string keys lowercased [or uppercased]
* Source code: ext/standard/array.c
*/
/*
* Test how array_change_key_case() converts keys in multi-dimensional arrays
*/
echo "*** Testing array_change_key_case() : usage variations ***\n";
$input = array('English' => array('one' => 1, 'two' => 2, 'three' => 3),
'French' => array('un' => 1, 'deux' => 2, 'trois' => 3),
'German' => array('eins' => 1, 'zwei' => 2, 'drei' => 3));
echo "\n-- Pass a two-dimensional array as \$input argument --\n";
var_dump(array_change_key_case($input, CASE_UPPER));
echo "\n-- Pass a sub-arry as \$input argument --\n";
var_dump(array_change_key_case($input['English'], CASE_UPPER));
echo "Done";
?>
--EXPECTF--
*** Testing array_change_key_case() : usage variations ***
-- Pass a two-dimensional array as $input argument --
array(3) {
["ENGLISH"]=>
array(3) {
["one"]=>
int(1)
["two"]=>
int(2)
["three"]=>
int(3)
}
["FRENCH"]=>
array(3) {
["un"]=>
int(1)
["deux"]=>
int(2)
["trois"]=>
int(3)
}
["GERMAN"]=>
array(3) {
["eins"]=>
int(1)
["zwei"]=>
int(2)
["drei"]=>
int(3)
}
}
-- Pass a sub-arry as $input argument --
array(3) {
["ONE"]=>
int(1)
["TWO"]=>
int(2)
["THREE"]=>
int(3)
}
Done
|
