array_reverse_variation4.phpt [plain text]
--TEST--
Test array_reverse() function : usage variations - assoc. array with diff. keys for 'array' argument
--FILE--
<?php
/* Prototype : array array_reverse(array $array [, bool $preserve_keys])
* Description: Return input as a new array with the order of the entries reversed
* Source code: ext/standard/array.c
*/
/*
* Testing the functionality of array_reverse() by giving associative arrays with different
* keys for $array argument
*/
echo "*** Testing array_reverse() : usage variations ***\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 the array
$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
array("\tHello" => 111, "re\td" => "color", "\v\fworld" => 2.2, "pen\n" => 33),
/*8*/ 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 values
/*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_reverse()
$iterator = 1;
foreach($arrays as $array) {
echo "-- Iteration $iterator --\n";
// with default argument
echo "- default argument -\n";
var_dump( array_reverse($array) );
// with $preserve_keys argument
echo "- \$preserve keys = true -\n";
var_dump( array_reverse($array, true) );
echo "- \$preserve_keys = false -\n";
var_dump( array_reverse($array, false) );
$iterator++;
};
// close the file resource used
fclose($fp);
echo "Done";
?>
--EXPECTF--
*** Testing array_reverse() : usage variations ***
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 --
- default argument -
array(0) {
}
- $preserve keys = true -
array(0) {
}
- $preserve_keys = false -
array(0) {
}
-- Iteration 2 --
- default argument -
array(1) {
[0]=>
string(1) "0"
}
- $preserve keys = true -
array(1) {
[0]=>
string(1) "0"
}
- $preserve_keys = false -
array(1) {
[0]=>
string(1) "0"
}
-- Iteration 3 --
- default argument -
array(1) {
[0]=>
string(1) "1"
}
- $preserve keys = true -
array(1) {
[1]=>
string(1) "1"
}
- $preserve_keys = false -
array(1) {
[0]=>
string(1) "1"
}
-- Iteration 4 --
- default argument -
array(4) {
[0]=>
string(1) "4"
[1]=>
string(1) "3"
[2]=>
string(1) "2"
[3]=>
string(1) "1"
}
- $preserve keys = true -
array(4) {
[4]=>
string(1) "4"
[3]=>
string(1) "3"
[2]=>
string(1) "2"
[1]=>
string(1) "1"
}
- $preserve_keys = false -
array(4) {
[0]=>
string(1) "4"
[1]=>
string(1) "3"
[2]=>
string(1) "2"
[3]=>
string(1) "1"
}
-- Iteration 5 --
- default argument -
array(1) {
[0]=>
string(5) "float"
}
- $preserve keys = true -
array(1) {
[2]=>
string(5) "float"
}
- $preserve_keys = false -
array(1) {
[0]=>
string(5) "float"
}
-- Iteration 6 --
- default argument -
array(4) {
[0]=>
string(2) "f4"
[1]=>
string(2) "f3"
[2]=>
string(2) "f2"
[3]=>
string(2) "f1"
}
- $preserve keys = true -
array(4) {
[33333333]=>
string(2) "f4"
[4]=>
string(2) "f3"
[3]=>
string(2) "f2"
[1]=>
string(2) "f1"
}
- $preserve_keys = false -
array(4) {
[0]=>
string(2) "f4"
[1]=>
string(2) "f3"
[2]=>
string(2) "f2"
[3]=>
string(2) "f1"
}
-- Iteration 7 --
- default argument -
array(4) {
["pen
"]=>
int(33)
[" world"]=>
float(2.2)
["re d"]=>
string(5) "color"
[" Hello"]=>
int(111)
}
- $preserve keys = true -
array(4) {
["pen
"]=>
int(33)
[" world"]=>
float(2.2)
["re d"]=>
string(5) "color"
[" Hello"]=>
int(111)
}
- $preserve_keys = false -
array(4) {
["pen
"]=>
int(33)
[" world"]=>
float(2.2)
["re d"]=>
string(5) "color"
[" Hello"]=>
int(111)
}
-- Iteration 8 --
- default argument -
array(4) {
["pen
"]=>
int(33)
[" world"]=>
float(2.2)
["re d"]=>
string(5) "color"
[" Hello"]=>
int(111)
}
- $preserve keys = true -
array(4) {
["pen
"]=>
int(33)
[" world"]=>
float(2.2)
["re d"]=>
string(5) "color"
[" Hello"]=>
int(111)
}
- $preserve_keys = false -
array(4) {
["pen
"]=>
int(33)
[" world"]=>
float(2.2)
["re d"]=>
string(5) "color"
[" Hello"]=>
int(111)
}
-- Iteration 9 --
- default argument -
array(2) {
["Hello world"]=>
string(6) "string"
[0]=>
string(5) "hello"
}
- $preserve keys = true -
array(2) {
["Hello world"]=>
string(6) "string"
[0]=>
string(5) "hello"
}
- $preserve_keys = false -
array(2) {
["Hello world"]=>
string(6) "string"
[0]=>
string(5) "hello"
}
-- Iteration 10 --
- default argument -
array(1) {
[""]=>
string(5) "hello"
}
- $preserve keys = true -
array(1) {
[""]=>
string(5) "hello"
}
- $preserve_keys = false -
array(1) {
[""]=>
string(5) "hello"
}
-- Iteration 11 --
- default argument -
array(6) {
["Hello world"]=>
string(7) "heredoc"
[""]=>
string(5) "unset"
[0]=>
string(5) "float"
[1]=>
string(3) "int"
["fruit"]=>
float(2.2)
["hello"]=>
int(1)
}
- $preserve keys = true -
array(6) {
["Hello world"]=>
string(7) "heredoc"
[""]=>
string(5) "unset"
[444]=>
string(5) "float"
[133]=>
string(3) "int"
["fruit"]=>
float(2.2)
["hello"]=>
int(1)
}
- $preserve_keys = false -
array(6) {
["Hello world"]=>
string(7) "heredoc"
[""]=>
string(5) "unset"
[0]=>
string(5) "float"
[1]=>
string(3) "int"
["fruit"]=>
float(2.2)
["hello"]=>
int(1)
}
Done