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--TEST--
Test array_combine() function : usage variations - associative array with different keys(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 different
* associative arrays having different possible keys to $keys argument and
* associative arrays having different possible keys to $values argument.
*/
echo "*** Testing array_combine() : assoc array with diff keys 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 arrays to be passed to $arr1 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", $heredoc => "string"), // heredoc
// array with object, unset variable and resource variable
/*10*/ array(new classA() => 11, @$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")
);
// array to be passsed to $arr2 argument
$arr2 = array(0 => 0, 2 => "float", 4 => "f3", 33333333 => "f4",
"\tHello" => 111, 2.2, 'color', "Hello world" => "string",
"pen\n" => 33, new classA() => 11, 133 => "int");
// loop through each sub-array within $arrays to check the behavior of array_combine()
// same arrays are passed to both $keys and $values
$iterator = 1;
foreach($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 keys to both $keys and $values argument ***
Warning: Illegal offset type in %s on line %d
Notice: Resource ID#%d used as offset, casting to integer (%d) in %s on line %d
Warning: Illegal offset type in %s on line %d
Notice: Resource ID#%d used as offset, casting to integer (%d) in %s on line %d
Warning: Illegal offset type in %s on line %d
-- Iteration 1 --
array(0) {
}
-- Iteration 2 --
array(1) {
[0]=>
string(1) "0"
}
-- Iteration 3 --
array(1) {
[1]=>
string(1) "1"
}
-- Iteration 4 --
array(4) {
[1]=>
string(1) "1"
[2]=>
string(1) "2"
[3]=>
string(1) "3"
[4]=>
string(1) "4"
}
-- Iteration 5 --
array(1) {
["float"]=>
string(5) "float"
}
-- Iteration 6 --
array(4) {
["f1"]=>
string(2) "f1"
["f2"]=>
string(2) "f2"
["f3"]=>
string(2) "f3"
["f4"]=>
string(2) "f4"
}
-- Iteration 7 --
array(4) {
[111]=>
int(111)
["color"]=>
string(5) "color"
["2.2"]=>
float(2.2)
[33]=>
int(33)
}
-- Iteration 8 --
array(4) {
[111]=>
int(111)
["color"]=>
string(5) "color"
["2.2"]=>
float(2.2)
[33]=>
int(33)
}
-- Iteration 9 --
array(2) {
["hello"]=>
string(5) "hello"
["string"]=>
string(6) "string"
}
-- Iteration 10 --
array(2) {
["hello"]=>
string(5) "hello"
["resource"]=>
string(8) "resource"
}
-- Iteration 11 --
array(7) {
[1]=>
int(1)
["2.2"]=>
float(2.2)
["resource"]=>
string(8) "resource"
["int"]=>
string(3) "int"
["float"]=>
string(5) "float"
["unset"]=>
string(5) "unset"
["heredoc"]=>
string(7) "heredoc"
}
Done
|
