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|
--TEST--
Test array_unique() function : usage variations - associative array with different values
--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 values to $input argument.
*/
echo "*** Testing array_unique() : assoc. array with diff. values 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;
// associative arrays with different values
$inputs = array (
// arrays with integer values
/*1*/ array('0' => 0, '1' => 0),
array("one" => 1, 'two' => 2, "three" => 1, 4 => 1),
// arrays with float values
/*3*/ array("float1" => 2.3333, "float2" => 2.3333),
array("f1" => 1.2, 'f2' => 3.33, 3 => 4.89999922839999, 'f4' => 1.2),
// arrays with string values
/*5*/ array(111 => "\tHello", "red" => "col\tor", 2 => "\v\fworld", 3.3 => "\tHello"),
array(111 => '\tHello', "red" => 'col\tor', 2 => '\v\fworld', 3.3 => '\tHello'),
array(1 => "hello", "heredoc" => $heredoc, $heredoc),
// array with object, unset variable and resource variable
/*8*/ array(11 => new classA(), "unset" => @$unset_var, "resource" => $fp, new classA(), $fp),
);
// 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. values to $input argument ***
-- Iteration 1 --
array(1) {
[0]=>
int(0)
}
-- Iteration 2 --
array(2) {
["one"]=>
int(1)
["two"]=>
int(2)
}
-- Iteration 3 --
array(1) {
["float1"]=>
float(2.3333)
}
-- Iteration 4 --
array(3) {
["f1"]=>
float(1.2)
["f2"]=>
float(3.33)
[3]=>
float(4.8999992284)
}
-- Iteration 5 --
array(3) {
[111]=>
string(6) " Hello"
["red"]=>
string(6) "col or"
[2]=>
string(7) " world"
}
-- Iteration 6 --
array(3) {
[111]=>
string(7) "\tHello"
["red"]=>
string(7) "col\tor"
[2]=>
string(9) "\v\fworld"
}
-- Iteration 7 --
array(2) {
[1]=>
string(5) "hello"
["heredoc"]=>
string(11) "Hello world"
}
-- Iteration 8 --
array(3) {
[11]=>
object(classA)#%d (0) {
}
["unset"]=>
NULL
["resource"]=>
resource(%d) of type (stream)
}
Done
|
