array_reverse_variation5.phpt [plain text]
--TEST--
Test array_reverse() function : usage variations - assoc. array with diff. value for 'array' argument
--INI--
precision=12
--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
* values 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 values
array('0' => 0),
array("1" => 1),
array("one" => 1, 'two' => 2, "three" => 3, 4 => 4),
// arrays with float values
/*5*/ array("float" => 2.3333),
array("f1" => 1.2, 'f2' => 3.33, 3 => 4.89999922839999, 'f4' => 33333333.333333),
// arrays with string values
array(111 => "\tHello", "red" => "col\tor", 2 => "\v\fworld", 3.3 => "pen\n"),
/*8*/ array(111 => '\tHello', "red" => 'col\tor', 2 => '\v\fworld', 3.3 => 'pen\n'),
array(1 => "hello", "heredoc" => $heredoc),
// array with object, unset variable and resource variable
array(11 => new classA(), "unset" => @$unset_var, "resource" => $fp),
// array with mixed values
/*11*/ array(1 => 'hello', 2 => new classA(), 222 => "fruit", 'resource' => $fp, "int" => 133, "float" => 444.432, "unset" => @$unset_var, "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 ***
-- Iteration 1 --
- default argument -
array(0) {
}
- $preserve keys = true -
array(0) {
}
- $preserve_keys = false -
array(0) {
}
-- Iteration 2 --
- default argument -
array(1) {
[0]=>
int(0)
}
- $preserve keys = true -
array(1) {
[0]=>
int(0)
}
- $preserve_keys = false -
array(1) {
[0]=>
int(0)
}
-- Iteration 3 --
- default argument -
array(1) {
[0]=>
int(1)
}
- $preserve keys = true -
array(1) {
[1]=>
int(1)
}
- $preserve_keys = false -
array(1) {
[0]=>
int(1)
}
-- Iteration 4 --
- default argument -
array(4) {
[0]=>
int(4)
["three"]=>
int(3)
["two"]=>
int(2)
["one"]=>
int(1)
}
- $preserve keys = true -
array(4) {
[4]=>
int(4)
["three"]=>
int(3)
["two"]=>
int(2)
["one"]=>
int(1)
}
- $preserve_keys = false -
array(4) {
[0]=>
int(4)
["three"]=>
int(3)
["two"]=>
int(2)
["one"]=>
int(1)
}
-- Iteration 5 --
- default argument -
array(1) {
["float"]=>
float(2.3333)
}
- $preserve keys = true -
array(1) {
["float"]=>
float(2.3333)
}
- $preserve_keys = false -
array(1) {
["float"]=>
float(2.3333)
}
-- Iteration 6 --
- default argument -
array(4) {
["f4"]=>
float(33333333.3333)
[0]=>
float(4.8999992284)
["f2"]=>
float(3.33)
["f1"]=>
float(1.2)
}
- $preserve keys = true -
array(4) {
["f4"]=>
float(33333333.3333)
[3]=>
float(4.8999992284)
["f2"]=>
float(3.33)
["f1"]=>
float(1.2)
}
- $preserve_keys = false -
array(4) {
["f4"]=>
float(33333333.3333)
[0]=>
float(4.8999992284)
["f2"]=>
float(3.33)
["f1"]=>
float(1.2)
}
-- Iteration 7 --
- default argument -
array(4) {
[0]=>
string(4) "pen
"
[1]=>
string(7) " world"
["red"]=>
string(6) "col or"
[2]=>
string(6) " Hello"
}
- $preserve keys = true -
array(4) {
[3]=>
string(4) "pen
"
[2]=>
string(7) " world"
["red"]=>
string(6) "col or"
[111]=>
string(6) " Hello"
}
- $preserve_keys = false -
array(4) {
[0]=>
string(4) "pen
"
[1]=>
string(7) " world"
["red"]=>
string(6) "col or"
[2]=>
string(6) " Hello"
}
-- Iteration 8 --
- default argument -
array(4) {
[0]=>
string(5) "pen\n"
[1]=>
string(9) "\v\fworld"
["red"]=>
string(7) "col\tor"
[2]=>
string(7) "\tHello"
}
- $preserve keys = true -
array(4) {
[3]=>
string(5) "pen\n"
[2]=>
string(9) "\v\fworld"
["red"]=>
string(7) "col\tor"
[111]=>
string(7) "\tHello"
}
- $preserve_keys = false -
array(4) {
[0]=>
string(5) "pen\n"
[1]=>
string(9) "\v\fworld"
["red"]=>
string(7) "col\tor"
[2]=>
string(7) "\tHello"
}
-- Iteration 9 --
- default argument -
array(2) {
["heredoc"]=>
string(11) "Hello world"
[0]=>
string(5) "hello"
}
- $preserve keys = true -
array(2) {
["heredoc"]=>
string(11) "Hello world"
[1]=>
string(5) "hello"
}
- $preserve_keys = false -
array(2) {
["heredoc"]=>
string(11) "Hello world"
[0]=>
string(5) "hello"
}
-- Iteration 10 --
- default argument -
array(3) {
["resource"]=>
resource(%d) of type (stream)
["unset"]=>
NULL
[0]=>
object(classA)#%d (0) {
}
}
- $preserve keys = true -
array(3) {
["resource"]=>
resource(%d) of type (stream)
["unset"]=>
NULL
[11]=>
object(classA)#%d (0) {
}
}
- $preserve_keys = false -
array(3) {
["resource"]=>
resource(%d) of type (stream)
["unset"]=>
NULL
[0]=>
object(classA)#%d (0) {
}
}
-- Iteration 11 --
- default argument -
array(8) {
["heredoc"]=>
string(11) "Hello world"
["unset"]=>
NULL
["float"]=>
float(444.432)
["int"]=>
int(133)
["resource"]=>
resource(%d) of type (stream)
[0]=>
string(5) "fruit"
[1]=>
object(classA)#%d (0) {
}
[2]=>
string(5) "hello"
}
- $preserve keys = true -
array(8) {
["heredoc"]=>
string(11) "Hello world"
["unset"]=>
NULL
["float"]=>
float(444.432)
["int"]=>
int(133)
["resource"]=>
resource(%d) of type (stream)
[222]=>
string(5) "fruit"
[2]=>
object(classA)#%d (0) {
}
[1]=>
string(5) "hello"
}
- $preserve_keys = false -
array(8) {
["heredoc"]=>
string(11) "Hello world"
["unset"]=>
NULL
["float"]=>
float(444.432)
["int"]=>
int(133)
["resource"]=>
resource(%d) of type (stream)
[0]=>
string(5) "fruit"
[1]=>
object(classA)#%d (0) {
}
[2]=>
string(5) "hello"
}
Done