array_unshift_variation4.phpt [plain text]
--TEST--
Test array_unshift() function : usage variations - assoc. array with diff. keys for 'array' argument
--FILE--
<?php
/* Prototype : int array_unshift(array $array, mixed $var [, mixed ...])
* Description: Pushes elements onto the beginning of the array
* Source code: ext/standard/array.c
*/
/*
* Testing the functionality of array_unshift() by passing different
* associative arrays having different possible keys to $array argument.
* The $var argument passed is a fixed value
*/
echo "*** Testing array_unshift() : associative array with different keys ***\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;
// initializing $var argument
$var = 10;
// different variations of associative arrays to be passed to $array argument
$arrays = array (
// empty array
/*1*/ array(),
// arrays with integer keys
array(0 => "0"),
array(1 => "1"),
array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
// arrays with float keys
/*5*/ array(2.3333 => "float"),
array(1.2 => "f1", 3.33 => "f2",
4.89999922839999 => "f3",
33333333.333333 => "f4"),
// arrays with string keys
/*7*/ array('\tHello' => 111, 're\td' => "color",
'\v\fworld' => 2.2, 'pen\n' => 33),
array("\tHello" => 111, "re\td" => "color",
"\v\fworld" => 2.2, "pen\n" => 33),
array("hello", $heredoc => "string"), // heredoc
// array with object, unset variable and resource variable
array(new classA() => 11, @$unset_var => "hello", $fp => 'resource'),
// array with mixed keys
/*11*/ array('hello' => 1, new classA() => 2, "fruit" => 2.2,
$fp => 'resource', 133 => "int", 444.432 => "float",
@$unset_var => "unset", $heredoc => "heredoc")
);
// loop through the various elements of $arrays to test array_unshift()
$iterator = 1;
foreach($arrays as $array) {
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() : associative array with different keys ***
Warning: Illegal offset type in %s on line %d
Warning: Illegal offset type in %s on line %d
Warning: Illegal offset type in %s on line %d
Warning: Illegal offset type in %s on line %d
-- Iteration 1 --
int(1)
array(1) {
[0]=>
int(10)
}
int(3)
array(3) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
}
-- Iteration 2 --
int(2)
array(2) {
[0]=>
int(10)
[1]=>
string(1) "0"
}
int(4)
array(4) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
[3]=>
string(1) "0"
}
-- Iteration 3 --
int(2)
array(2) {
[0]=>
int(10)
[1]=>
string(1) "1"
}
int(4)
array(4) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
[3]=>
string(1) "1"
}
-- Iteration 4 --
int(5)
array(5) {
[0]=>
int(10)
[1]=>
string(1) "1"
[2]=>
string(1) "2"
[3]=>
string(1) "3"
[4]=>
string(1) "4"
}
int(7)
array(7) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
[3]=>
string(1) "1"
[4]=>
string(1) "2"
[5]=>
string(1) "3"
[6]=>
string(1) "4"
}
-- Iteration 5 --
int(2)
array(2) {
[0]=>
int(10)
[1]=>
string(5) "float"
}
int(4)
array(4) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
[3]=>
string(5) "float"
}
-- Iteration 6 --
int(5)
array(5) {
[0]=>
int(10)
[1]=>
string(2) "f1"
[2]=>
string(2) "f2"
[3]=>
string(2) "f3"
[4]=>
string(2) "f4"
}
int(7)
array(7) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
[3]=>
string(2) "f1"
[4]=>
string(2) "f2"
[5]=>
string(2) "f3"
[6]=>
string(2) "f4"
}
-- Iteration 7 --
int(5)
array(5) {
[0]=>
int(10)
["\tHello"]=>
int(111)
["re\td"]=>
string(5) "color"
["\v\fworld"]=>
float(2.2)
["pen\n"]=>
int(33)
}
int(7)
array(7) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["\tHello"]=>
int(111)
["re\td"]=>
string(5) "color"
["\v\fworld"]=>
float(2.2)
["pen\n"]=>
int(33)
}
-- Iteration 8 --
int(5)
array(5) {
[0]=>
int(10)
[" Hello"]=>
int(111)
["re d"]=>
string(5) "color"
[" world"]=>
float(2.2)
["pen
"]=>
int(33)
}
int(7)
array(7) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
[" Hello"]=>
int(111)
["re d"]=>
string(5) "color"
[" world"]=>
float(2.2)
["pen
"]=>
int(33)
}
-- Iteration 9 --
int(3)
array(3) {
[0]=>
int(10)
[1]=>
string(5) "hello"
["Hello world"]=>
string(6) "string"
}
int(5)
array(5) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
[3]=>
string(5) "hello"
["Hello world"]=>
string(6) "string"
}
-- Iteration 10 --
int(2)
array(2) {
[0]=>
int(10)
[""]=>
string(5) "hello"
}
int(4)
array(4) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
[""]=>
string(5) "hello"
}
-- Iteration 11 --
int(7)
array(7) {
[0]=>
int(10)
["hello"]=>
int(1)
["fruit"]=>
float(2.2)
[1]=>
string(3) "int"
[2]=>
string(5) "float"
[""]=>
string(5) "unset"
["Hello world"]=>
string(7) "heredoc"
}
int(9)
array(9) {
[0]=>
int(10)
[1]=>
string(5) "hello"
[2]=>
string(5) "world"
["hello"]=>
int(1)
["fruit"]=>
float(2.2)
[3]=>
string(3) "int"
[4]=>
string(5) "float"
[""]=>
string(5) "unset"
["Hello world"]=>
string(7) "heredoc"
}
Done