or.. if there can be only one instance of the number you can easily calculate it's
position with
strlen($numbers)
and strpos($numbers, 1);
if strlen returns 5 and strpos 5 you'll know it was far right.. if strpos returns 1
and strlen 1 it's to the left.. and if strpos strlen but not 1 it's in the middle..
etc.
On Sat, 16 Nov 2002 00:04:50 +0100
[EMAIL PROTECTED] (Gustaf Sjoberg) wrote:
hi,
this is probably not at all what you want, but i wrote it just in case.
?
function pos1($numbers) {
if ($numbers) {
if ($numbers == '1')
return only;
if (ereg(^1.+, $numbers))
return left;
if (ereg(.+1$, $numbers))
return right;
if (ereg(.+(1).+, $numbers))
return middle;
}
return false;
}
$text = 3, 2, 1, 4;
if pos1($text)
echo pos1($text);
?
if 1 is in the string it will return either middle, left, right or only.. if
it is not it will return false.
On Fri, 15 Nov 2002 08:49:23 -0800 (PST)
[EMAIL PROTECTED] (Mako Shark) wrote:
I have a real problem that I can't seem to figure out.
I need an ereg pattern to search for a certain string
(below). All this is being shelled to a Unix grep
command because I'm looking this up in very many
files.
I've made myself a INPUT TYPE=HIDDEN tag that
contains in the value attribute a list of
comma-delimited numbers. I need to find if a certain
number is in these tags (and each file contains one
tag). I need an ereg statement that will let me search
these lines to see if a number exists, obviously in
the beginning or the end or the middle or if it's the
only number in the list. Here's what I mean (searching
for number 1):
INPUT TYPE = HIDDEN NAME = numbers VALUE =
1,2,3,4,5 //beginning
INPUT TYPE = HIDDEN NAME = numbers VALUE =
0,1,2,3,4,5 //middle
INPUT TYPE = HIDDEN NAME = numbers VALUE =
5,4,3,2,1 //end
INPUT TYPE = HIDDEN NAME = numbers VALUE = 1
//only
This is frustrating me, because each solution I come
up with doesn't work. Here is my grep/ereg statement
so far:
$commanumberbeginning = [[0-9]+,]*; //this allows 0
or more numbers before it, and if there are any, they
must have 1 or more digits followed by a comma
$commanumberend = [,[0-9]+]*; // this allows 0 or
more numbers after it, and if there are any, they must
have a comma followed by 1 or more digits
$ereg-statement=$commanumberbeginning .
$numbertosearchfor . $commanumberbeginning;
//$numbertosearchfor will be obtained through a select
control in a form
grep 'INPUT TYPE = HIDDEN NAME = numbers VALUE =
$ereg-statement' *.html
This problem is kicking my butt. Any help?
__
Do you Yahoo!?
Yahoo! Web Hosting - Let the expert host your site
http://webhosting.yahoo.com
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
