hiphop-php /hphp/test/zend/bad/ext/standard/tests/array/array_unique_variation3.php

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<?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";
?>
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