note 117787 deleted from language.types.array by peehaa
| From: | peehaa@php.net | Date: | Sun, 28 Apr 2019 10:23:29 +0000 |
| Subject: | note 117787 deleted from language.types.array by peehaa | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-210772@lists.php.net to get a copy of this message | ||
Note Submitter: aditycse at gmail dot com
----
/*
* Name : Aditya Mehrotra
* Email: aditycse@gmail.com
*/
<?php
//Array can have following data type in key i.e string,integer
//Behaviour of array in case of array key has data type float or double
$exampleArray = array(0,
1,
"2.99999999" => 56,
2 => 2,
3.9999 => 3,
3 => 3.1,
true => 4,
false => 6,
);
//array structure
print_r($exampleArray);
/* Array
(
[0] => 6
[1] => 4
[2.99999999] => 56
[2] => 2
[3] => 3.1
)
*/
//array of array keys
print_r(array_keys($exampleArray));
/*
Array
(
[0] => 0
[1] => 1
[2] => 2.99999999
[3] => 2
[4] => 3
)
*/