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|
--TEST--
Test array_unique() function : usage variations - associative array with different keys
--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 different
* associative arrays having different keys to $input argument.
*/
echo "*** Testing array_unique() : assoc. array with diff. keys passed to \$input argument ***\n";
// get an unset variable
$unset_var = 10;
unset ($unset_var);
// get a resource variable
$fp = fopen(__FILE__, "r");
// get a class
class classA
{
public function __toString(){
return "Class A object";
}
}
// get a heredoc string
$heredoc = <<<EOT
Hello world
EOT;
// different associative arrays to be passed to $input argument
$inputs = array (
/*1*/ // arrays with integer keys
array(0 => "0", 1 => "0"),
array(1 => "1", 2 => "2", 3 => 1, 4 => "4"),
// arrays with float keys
/*3*/ array(2.3333 => "float", 44.44 => "float"),
array(1.2 => "f1", 3.33 => "f2", 4.89999922839999 => "f1", 3333333.333333 => "f4"),
// arrays with string keys
/*5*/ array('\tHello' => 111, 're\td' => "color", '\v\fworld' => 2.2, 'pen\n' => 111),
array("\tHello" => 111, "re\td" => "color", "\v\fworld" => 2.2, "pen\n" => 111),
array("hello", $heredoc => "string", "string"),
// array with object, unset variable and resource variable
/*8*/ array(new classA() => 11, @$unset_var => "hello", $fp => 'resource', 11, "hello"),
);
// loop through each sub-array of $inputs to check the behavior of array_unique()
$iterator = 1;
foreach($inputs as $input) {
echo "-- Iteration $iterator --\n";
var_dump( array_unique($input) );
$iterator++;
}
fclose($fp);
echo "Done";
?>
--EXPECTF--
*** Testing array_unique() : assoc. array with diff. keys passed to $input argument ***
Warning: Illegal offset type in %s on line %d
Notice: Resource ID#%d used as offset, casting to integer (%d) in %s on line %d
-- Iteration 1 --
array(1) {
[0]=>
string(1) "0"
}
-- Iteration 2 --
array(3) {
[1]=>
string(1) "1"
[2]=>
string(1) "2"
[4]=>
string(1) "4"
}
-- Iteration 3 --
array(1) {
[2]=>
string(5) "float"
}
-- Iteration 4 --
array(3) {
[1]=>
string(2) "f1"
[3]=>
string(2) "f2"
[3333333]=>
string(2) "f4"
}
-- Iteration 5 --
array(3) {
["\tHello"]=>
int(111)
["re\td"]=>
string(5) "color"
["\v\fworld"]=>
float(2.2)
}
-- Iteration 6 --
array(3) {
[" Hello"]=>
int(111)
["re d"]=>
string(5) "color"
[" world"]=>
float(2.2)
}
-- Iteration 7 --
array(2) {
[0]=>
string(5) "hello"
["Hello world"]=>
string(6) "string"
}
-- Iteration 8 --
array(3) {
[""]=>
string(5) "hello"
[5]=>
string(8) "resource"
[6]=>
int(11)
}
Done
|
