+- CodeIgniter Forums (https://forum.codeigniter.com)
+-- Forum: Archived Discussions (https://forum.codeigniter.com/forumdisplay.php?fid=20)
+--- Forum: Archived Development & Programming (https://forum.codeigniter.com/forumdisplay.php?fid=23)
+--- Thread: get the previous and next array key with a keyword (/showthread.php?tid=34296)
get the previous and next array key with a keyword - El Forum - 09-25-2010
[eluser]Bartolo![/eluser]
Hi guys,
i have a list of customers. which can be all customers, or a list from the search.
when you open a customer i want navigate previous and next.
first of all i have a function that saves all the id's found to a session:
Code:
$_SESSION['customer_ids'] = $this->customers_model->get_allcustomer_ids($search);print_r($_SESSION['customer_ids']);
Code:
Array
(
[0] => Array
(
[customer_id] => 1165
)
[1] => Array
(
[customer_id] => 1166
)
[2] => Array
(
[customer_id] => 786
)
[3] => Array
(
[customer_id] => 787
)
[4] => Array
(
[customer_id] => 788
)
[5] => Array
(
[customer_id] => 789
)
[6] => Array
(
[customer_id] => 790
)
etc...how to get the previous / current / next array key...???
what i want is a link (when i'm in customer 1166) a link to customer 786. and off course the previous one.
The current customer_id is:
Code:
$customer['customer_id'];i was already trying with array_search and stuff but couldn't get it working.
Hopefully someone can help me out....
Thanks in advance!!!!
regards,
Bart
EDIT:
php.net told me that array_search returns an array key.
but when i use:
Code:
foreach($_SESSION['customer_ids'] as $array) {
$key = array_search($customer['customer_id'], $array);
echo $key;
}it shows the word "customer_id". so how do i get the array key corresponding with my current record??
get the previous and next array key with a keyword - El Forum - 09-25-2010
[eluser]jmadsen[/eluser]
next() is pretty cool :-)
http://php.net/manual/en/function.next.php
next(), prev(), end() are explained here.
Do you need the value, or the key?
---
Google search words: "php array next element"
get the previous and next array key with a keyword - El Forum - 09-25-2010
[eluser]Bartolo![/eluser]
Hi,
what i need is the next and previous customer_id in the array.
i already found the next functions but i think i'm using the multidimensional array's the wrong way...
this:
Code:
foreach($_SESSION['customer_ids'] as $array) {
if(array_search($customer['customer_id'], $array) == null){
//nothing
}
else {
echo 'current: '.current($array);
echo '<br/>';
echo 'next: '.next($array);
}
}current returns: 1165
next returns.....nothing....
get the previous and next array key with a keyword - El Forum - 09-25-2010
[eluser]jmadsen[/eluser]
right, so read up on the stuff I posted:
$my_array = $_SESSION[‘customer_ids’];
$my_customer = next($my_array);
$my_customer[1] is your value, I think.
Maybe I'm not clear what you are after, but it seems like php array coding from here...
get the previous and next array key with a keyword - El Forum - 09-27-2010
[eluser]Bartolo![/eluser]
Thanks for your help...it was easier than i thought...
This is the result:
Code:
foreach ($_SESSION['customer_ids'] as $key => $value)
{
if (array_search($customer['customer_id'], $value) == null)
{
//the customerid is not found in this array
}
else
{
// customer_id is found, now lets create the buttons
// First check if the previous key exists
if(array_key_exists($key-1, $_SESSION['customer_ids']))
{
//yes...key exists so button can be made
$data['prev_button'] = '<div style="float: left;" id="view_navigate_button">
<a href="'.site_url().'/customers/view/'.$_SESSION['customer_ids'][$key-1]['customer_id'].'">Previous</a>
</div>';
}
else
{
$data['prev_button'] = '';
}
// First check if the previous key exists
if(array_key_exists($key+1, $_SESSION['customer_ids']))
{
//yes...key exists so button can be made
$data['next_button'] = '<div style="float: right;" id="view_navigate_button">
<a href="'.site_url().'/customers/view/'.$_SESSION['customer_ids'][$key+1]['customer_id'].'">Next</a>
</div>';
}
else
{
$data['next_button'] = '';
}
}