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|
--TEST--
Test array_unique() function : usage variations - array with reference variables
--FILE--
<?php
/* Prototype : array array_unique(array $input)
* Description: Removes duplicate values from array
* Source code: ext/standard/array.c
*/
/*
* Testing the functionality of array_unique() by passing
* array having reference variables as values.
*/
echo "*** Testing array_unique() : array with reference variables for \$input argument ***\n";
$value1 = 10;
$value2 = "hello";
$value3 = 0;
$value4 = &$value2;
// input array containing elements as reference variables
$input = array(
0 => 0,
1 => &$value4,
2 => &$value2,
3 => "hello",
4 => &$value3,
5 => $value4
);
var_dump( array_unique($input, SORT_STRING) );
echo "Done";
?>
--EXPECTF--
*** Testing array_unique() : array with reference variables for $input argument ***
array(2) {
[0]=>
int(0)
[1]=>
&string(5) "hello"
}
Done
|
