--TEST--
Test array_search() function : usage variations - haystack as sub-array/object
--FILE--
<?php
/* checking for sub-arrays with array_search() */
echo "*** Testing sub-arrays with array_search() ***\n";
$sub_array = array (
  "one",
  array(1, 2 => "two", "three" => 3),
  4 => "four",
  "five" => 5,
  array('', 'i')
);
var_dump( array_search("four", $sub_array) );
//checking for element in a sub-array
var_dump( array_search(3, $sub_array[1]) );
var_dump( array_search(array('','i'), $sub_array) );

/* checking for objects in array_search() */
echo "\n*** Testing objects with array_search() ***\n";
class array_search_check {
  public $array_var = array(1=>"one", "two"=>2, 3=>3);
  public function foo() {
    echo "Public function\n";
  }
}

$array_search_obj = new array_search_check();  //creating new object
//error: as wrong datatype for second argument
try {
    var_dump( array_search("array_var", $array_search_obj) );
} catch (TypeError $e) {
    echo $e->getMessage(), "\n";
}
//error: as wrong datatype for second argument
try {
    var_dump( array_search("foo", $array_search_obj) );
} catch (TypeError $e) {
    echo $e->getMessage(), "\n";
}
//element found as "one" exists in array $array_var
var_dump( array_search("one", $array_search_obj->array_var) );

echo "Done\n";
?>
--EXPECT--
*** Testing sub-arrays with array_search() ***
int(4)
string(5) "three"
int(5)

*** Testing objects with array_search() ***
array_search(): Argument #2 ($haystack) must be of type array, array_search_check given
array_search(): Argument #2 ($haystack) must be of type array, array_search_check given
int(1)
Done