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From: Richard Quadling on 31 Aug 2010 12:49
On 31 August 2010 17:39, Richard Quadling <rquadling(a)gmail.com> wrote:
> On 31 August 2010 17:06, Tontonq Tontonq <rootdot(a)gmail.com> wrote:
>> Array
>> (
>> [300] => 300
>> [301] => 301
>> ...

Not sure what happened there!

<?php
$data = array
(
300 => 300,
301 => 301,
302 => 302,
303 => 303,
304 => 304,
305 => 305,
306 => 306,
307 => 307,
308 => 308,
309 => 309,
310 => 310,
311 => 311,
312 => 312,
313 => 313,
314 => 314,
165 => 165,
166 => 166,
167 => 167,
168 => 168,
169 => 169,
170 => 170,
171 => 171,
172 => 172,
173 => 173,
201 => 201,
202 => 202,
203 => 203,
204 => 204,
205 => 205,
206 => 206,
207 => 207,
208 => 208,
209 => 209,
210 => 210,
211 => 211,
212 => 212,
213 => 213,
214 => 214,
215 => 215,
101 => 101,
315 => 315,
316 => 316,
987 => 987,
);

$newData = array();
$firstValue = null;
$lastValue = null;
foreach($data as $value)
{
// New first value.
if (is_null($firstValue))
{
$firstValue = $value;
$lastValue = null;
}

// New last value and is the same or 1 more or ongoing value
else if ((is_null($lastValue) && $value == 1 + $firstValue) || $value
== 1 + $lastValue)
{
$lastValue = $value;
}

// We have a break;
else
{
if (!is_null($lastValue))
{
$newData[] = "$firstValue-$lastValue";
}
else
{
$newData[] = "$firstValue";
}

$lastValue = null;
$firstValue = $value;
}
}
if (!is_null($firstValue))
{
if (!is_null($lastValue))
{
$newData[] = "$firstValue-$lastValue";
}
else
{
$newData[] = "$firstValue";
}
}

print_r($newData);
?>

outputs ...

Array
(
[0] => 300-314
[1] => 165-173
[2] => 201-215
[3] => 101
[4] => 315-316
[5] => 987
)


--
Richard Quadling
Twitter : EE : Zend
@RQuadling : e-e.com/M_248814.html : bit.ly/9O8vFY
From: Richard Quadling on 31 Aug 2010 12:52
On 31 August 2010 17:49, Richard Quadling <rquadling(a)gmail.com> wrote:
> On 31 August 2010 17:39, Richard Quadling <rquadling(a)gmail.com> wrote:
>> On 31 August 2010 17:06, Tontonq Tontonq <rootdot(a)gmail.com> wrote:
>>> Array
>>> (
>>> [300] => 300
>>> [301] => 301
>>> ...

If you add a ...

sort($data) ...

just before the foreach() loop...

Array
(
[0] => 101
[1] => 165-173
[2] => 201-215
[3] => 300-316
[4] => 987
)

Watch out for duplicate values.

I changed 315 and 316 to 305 and 306...

unsorted ...

Array
(
[0] => 300-314
[1] => 165-173
[2] => 201-215
[3] => 101
[4] => 305-306
[5] => 987
)

sorted ...

Array
(
[0] => 101
[1] => 165-173
[2] => 201-215
[3] => 300-305
[4] => 305-306
[5] => 306-314
[6] => 987
)

--
Richard Quadling
Twitter : EE : Zend
@RQuadling : e-e.com/M_248814.html : bit.ly/9O8vFY
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