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|
--TEST--
Test array_unshift() function : passing object for 'var' argument
--FILE--
<?php
/*
* Testing the functionality of array_unshift() by passing
* an object to the $var argument
*/
echo "*** Testing array_unshift() : Passing object to \$var argument ***\n";
// simple class with a variable and method
class SimpleClass
{
public $var1 = 1;
public function fun1() {
return $var1;
}
}
// class without members
class EmptyClass
{
}
// abstract class
abstract class AbstractClass
{
protected $var2 = 5;
abstract function emptyFunction();
}
// class deriving the above abstract class
class ChildClass extends AbstractClass
{
private $var3;
public function emptyFunction() {
echo "defined in child";
}
}
// class with final method
class FinalClass
{
private $var4;
final function finalMethod() {
echo "This function can't be overloaded";
}
}
// class with static members
class StaticClass
{
static $var5 = 2;
public static function staticMethod() {
echo "This is a static method";
}
}
// array to be passed to $array argument
$array = array('f' => "first", "s" => 'second', 1, 2.222);
// array containing different types of objects as elements
$vars = array(
new SimpleClass(),
new EmptyClass(),
new ChildClass(),
new FinalClass(),
new StaticClass()
);
// loop through the various elements of $arrays to check the functionality of array_unshift
$iterator = 1;
foreach($vars as $var) {
echo "-- Iteration $iterator --\n";
/* with default argument */
// returns element count in the resulting array after arguments are pushed to
// beginning of the given array
$temp_array = $array;
var_dump( array_unshift($temp_array, $var) );
// dump the resulting array
var_dump($temp_array);
/* with optional arguments */
// returns element count in the resulting array after arguments are pushed to
// beginning of the given array
$temp_array = $array;
var_dump( array_unshift($temp_array, $var, "hello", 'world') );
// dump the resulting array
var_dump($temp_array);
$iterator++;
}
echo "Done";
?>
--EXPECTF--
*** Testing array_unshift() : Passing object to $var argument ***
-- Iteration 1 --
int(5)
array(5) {
[0]=>
object(SimpleClass)#%d (1) {
["var1"]=>
int(1)
}
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
object(SimpleClass)#%d (1) {
["var1"]=>
int(1)
}
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
-- Iteration 2 --
int(5)
array(5) {
[0]=>
object(EmptyClass)#%d (0) {
}
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
object(EmptyClass)#%d (0) {
}
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
-- Iteration 3 --
int(5)
array(5) {
[0]=>
object(ChildClass)#%d (2) {
["var3":"ChildClass":private]=>
NULL
["var2":protected]=>
int(5)
}
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
object(ChildClass)#%d (2) {
["var3":"ChildClass":private]=>
NULL
["var2":protected]=>
int(5)
}
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
-- Iteration 4 --
int(5)
array(5) {
[0]=>
object(FinalClass)#%d (1) {
["var4":"FinalClass":private]=>
NULL
}
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
object(FinalClass)#%d (1) {
["var4":"FinalClass":private]=>
NULL
}
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
-- Iteration 5 --
int(5)
array(5) {
[0]=>
object(StaticClass)#%d (0) {
}
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[1]=>
int(1)
[2]=>
float(2.222)
}
int(7)
array(7) {
[0]=>
object(StaticClass)#%d (0) {
}
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["f"]=>
string(5) "first"
["s"]=>
string(6) "second"
[3]=>
int(1)
[4]=>
float(2.222)
}
Done
|
