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|
--TEST--
Test array_keys() function (variation - 1)
--FILE--
<?php
echo "\n*** Testing array_keys() on various arrays ***";
$arrays = array(
array(),
array(0),
array( array() ),
array("Hello" => "World"),
array("" => ""),
array(1,2,3, "d" => array(4,6, "d")),
array("a" => 1, "b" => 2, "c" =>3, "d" => array()),
array(0 => 0, 1 => 1, 2 => 2, 3 => 3),
array(0.001=>3.000, 1.002=>2, 1.999=>3, "a"=>3, 3=>5, "5"=>3.000),
array(TRUE => TRUE, FALSE => FALSE, NULL => NULL, "\x000", "\000"),
array("a" => "abcd", "a" => "", "ab" => -6, "cd" => -0.5 ),
array(0 => array(), 1=> array(0), 2 => array(1), ""=> array(),""=>"" )
);
$i = 0;
/* loop through to test array_keys() with different arrays */
foreach ($arrays as $array) {
echo "\n-- Iteration $i --\n";
var_dump(array_keys($array));
$i++;
}
echo "Done\n";
?>
--EXPECTF--
*** Testing array_keys() on various arrays ***
-- Iteration 0 --
array(0) {
}
-- Iteration 1 --
array(1) {
[0]=>
int(0)
}
-- Iteration 2 --
array(1) {
[0]=>
int(0)
}
-- Iteration 3 --
array(1) {
[0]=>
string(5) "Hello"
}
-- Iteration 4 --
array(1) {
[0]=>
string(0) ""
}
-- Iteration 5 --
array(4) {
[0]=>
int(0)
[1]=>
int(1)
[2]=>
int(2)
[3]=>
string(1) "d"
}
-- Iteration 6 --
array(4) {
[0]=>
string(1) "a"
[1]=>
string(1) "b"
[2]=>
string(1) "c"
[3]=>
string(1) "d"
}
-- Iteration 7 --
array(4) {
[0]=>
int(0)
[1]=>
int(1)
[2]=>
int(2)
[3]=>
int(3)
}
-- Iteration 8 --
array(5) {
[0]=>
int(0)
[1]=>
int(1)
[2]=>
string(1) "a"
[3]=>
int(3)
[4]=>
int(5)
}
-- Iteration 9 --
array(5) {
[0]=>
int(1)
[1]=>
int(0)
[2]=>
string(0) ""
[3]=>
int(2)
[4]=>
int(3)
}
-- Iteration 10 --
array(3) {
[0]=>
string(1) "a"
[1]=>
string(2) "ab"
[2]=>
string(2) "cd"
}
-- Iteration 11 --
array(4) {
[0]=>
int(0)
[1]=>
int(1)
[2]=>
int(2)
[3]=>
string(0) ""
}
Done
|
