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--TEST--
Test array_map() function : usage variations - associative array with different keys
--FILE--
<?php
/*
* Test array_map() by passing associative array with different keys for $arr1 argument
*/
echo "*** Testing array_map() : associative array with diff. keys for 'arr1' argument ***\n";
function callback($a)
{
return ($a);
}
// 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
/*2*/ array(0 => "0"),
array(1 => "1"),
array(1 => "1", 2 => "2", 3 => "3", 4 => "4"),
// 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", $heredoc => "string"), // heredoc
// array with object, unset variable and resource variable
array(@$unset_var => "hello", $fp => 'resource'),
// array with mixed values
/*11*/ array('hello' => 1, "fruit" => 2.2,
$fp => 'resource', 133 => "int",
@$unset_var => "unset", $heredoc => "heredoc")
);
// loop through the various elements of $arrays to test array_map()
$iterator = 1;
foreach($arrays as $arr1) {
echo "-- Iteration $iterator --\n";
var_dump( array_map('callback', $arr1) );
$iterator++;
}
echo "Done";
?>
--EXPECTF--
*** Testing array_map() : associative array with diff. keys for 'arr1' argument ***
Warning: Resource ID#%d used as offset, casting to integer (%d) in %s on line %d
Warning: Resource ID#%d used as offset, casting to integer (%d) 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(4) {
["\tHello"]=>
int(111)
["re\td"]=>
string(5) "color"
["\v\fworld"]=>
float(2.2)
["pen\n"]=>
int(33)
}
-- Iteration 6 --
array(4) {
[" Hello"]=>
int(111)
["re d"]=>
string(5) "color"
["world"]=>
float(2.2)
["pen
"]=>
int(33)
}
-- Iteration 7 --
array(2) {
[0]=>
string(5) "hello"
["Hello world"]=>
string(6) "string"
}
-- Iteration 8 --
array(2) {
[""]=>
string(5) "hello"
[5]=>
string(8) "resource"
}
-- Iteration 9 --
array(6) {
["hello"]=>
int(1)
["fruit"]=>
float(2.2)
[5]=>
string(8) "resource"
[133]=>
string(3) "int"
[""]=>
string(5) "unset"
["Hello world"]=>
string(7) "heredoc"
}
Done
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