RE: [PHP] Has element of array been initialized?
| From: | John Coggeshall | Date: | Tue, 08 Apr 2003 23:29:22 +0000 |
| Subject: | RE: [PHP] Has element of array been initialized? | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-142974@lists.php.net to get a copy of this message | ||
bool array_key_exists ( mixed key, array search);
If(array_key_exists($index, $seq))....
John
-~=~--~=~--~=~--~=~--~=~--~=~--~=~--~=~--~=~--~=~--~=~--~=~--~=~--~=~-
John Coggeshall
john at coggeshall dot org http://www.coggeshall.org/
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>-----Original Message-----
>From: Ben Edwards [mailto:ben@videonetwork.org]
>Sent: Tuesday, April 08, 2003 7:05 PM
>To: php-general@lists.php.net
>Subject: [PHP] Has element of array been initialized?
>
>
>I am trying to see if elements of a number indexed array are set, i.e.
>something like:-
>
>if ( isset( $seq[$index]) ) {
> echo $seq[$index]."<br>";
>}
>
>Except in this case isset gives an error. How do i 'ask' if
>the element
>has been initialized?
>
>Ben
>
>
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