RE: [PHP] How do I get the first element's key of an array of objects?
| From: | Chris W. Parker | Date: | Fri, 08 Apr 2005 15:53:07 +0000 |
| Subject: | RE: [PHP] How do I get the first element's key of an array of objects? | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-212648@lists.php.net to get a copy of this message | ||
Mattias Thorslund <mailto:mattias@inreach.com>
on Thursday, April 07, 2005 5:20 PM said:
>> <?php
>>
>> $keys = array_keys($object_array);
>>
>> $first_key = $keys[0];
>
> I wonder if that will work, when the first element has the key 3... ?
>
> This might work better:
>
> $keys = array_keys($object_array);
> $first_key = reset($keys);
Read www.php.net/array_keys and you shall have your answer.
From the php docs:
<?php
$array = array(0 => 100, "color" => "red");
print_r(array_keys($array));
?>
Will output.
Array
(
[0] => 0
[1] => color
)
Chris.