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|
--TEST--
Test array_combine() function : usage variations - associative array with different values(Bug#43424)
--FILE--
<?php
/* Prototype : array array_combine(array $keys, array $values)
* Description: Creates an array by using the elements of the first parameter as keys
* and the elements of the second as the corresponding values
* Source code: ext/standard/array.c
*/
/*
* Testing the functionality of array_combine() by passing various
* associative arrays having different possible values to $keys argument and
* associative arrays having different possible values to $values argument.
*/
echo "*** Testing array_combine() : assoc array with diff values to both \$keys and \$values argument ***\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;
// different variations of associative 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' => 33333333.333),
// arrays with string values
/*7*/ array(111 => "\tHello", "red" => "col\tor", 2 => "\v\fworld", 3.3 => "pen\n"),
array(111 => '\tHello', "red" => 'col\tor', 2 => '\v\fworld', 3.3 => 'pen\n'),
array(1 => "hello", "heredoc" => $heredoc),
// array with object, unset variable and resource variable
/*10*/ array(11 => new classA(), "unset" => @$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 each sub-array within $arrays to check the behavior of array_combine()
$iterator = 1;
foreach($arrays as $array) {
echo "-- Iteration $iterator --\n";
var_dump( array_combine($array, $array) );
$iterator++;
}
// close the file resource used
fclose($fp);
echo "Done";
?>
--EXPECTF--
*** Testing array_combine() : assoc array with diff values to both $keys and $values argument ***
-- Iteration 1 --
array(0) {
}
-- Iteration 2 --
array(1) {
[0]=>
int(0)
}
-- Iteration 3 --
array(1) {
[1]=>
int(1)
}
-- Iteration 4 --
array(4) {
[1]=>
int(1)
[2]=>
int(2)
[3]=>
int(3)
[4]=>
int(4)
}
-- Iteration 5 --
array(1) {
["2.3333"]=>
float(2.3333)
}
-- Iteration 6 --
array(4) {
["1.2"]=>
float(1.2)
["3.33"]=>
float(3.33)
["4.8999992284"]=>
float(4.8999992284)
["33333333.333"]=>
float(33333333.333)
}
-- Iteration 7 --
array(4) {
[" Hello"]=>
string(6) " Hello"
["col or"]=>
string(6) "col or"
[" world"]=>
string(7) " world"
["pen
"]=>
string(4) "pen
"
}
-- Iteration 8 --
array(4) {
["\tHello"]=>
string(7) "\tHello"
["col\tor"]=>
string(7) "col\tor"
["\v\fworld"]=>
string(9) "\v\fworld"
["pen\n"]=>
string(5) "pen\n"
}
-- Iteration 9 --
array(2) {
["hello"]=>
string(5) "hello"
["Hello world"]=>
string(11) "Hello world"
}
-- Iteration 10 --
array(3) {
["Class A object"]=>
object(classA)#%d (0) {
}
[""]=>
NULL
["Resource id #%d"]=>
resource(%d) of type (stream)
}
-- Iteration 11 --
array(8) {
["hello"]=>
string(5) "hello"
["Class A object"]=>
object(classA)#%d (0) {
}
["fruit"]=>
string(5) "fruit"
["Resource id #%d"]=>
resource(%d) of type (stream)
[133]=>
int(133)
["444.432"]=>
float(444.432)
[""]=>
NULL
["Hello world"]=>
string(11) "Hello world"
}
Done
|
