note 40407 rejected from function.substr by vincent
| From: | vincent@php.net | Date: | Wed, 03 Mar 2004 11:49:35 +0000 |
| Subject: | note 40407 rejected from function.substr by vincent | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-66157@lists.php.net to get a copy of this message | ||
Note Submitter: jordan@codedemons.net
----
If you are only trying to get ONE letter, using $var[4] is actaully faster than substr($var,4,1).
I am confused as to why this is, because it makes sense that converting the string to an array will
be slow. But, it has been confirmed in a 100 000 trial test, with strings ranging in length from 1
to 100 000 characters.
If anyone knows why this is true, please let me know.