Menu
For reason that I'll not discuss here, I'm forced to parse a large directory of files (we are talking 100.000 < x < 1.000.000+) and return the filelist as an array.
I'm already caching the file list, the problem is array_slice.
Yes, because there is a catch, this list of file must be "paginated" returning them in block of 16.
What I'm doing is this:
$items_per_page = 16;
$offset = ($current_page * $items_per_page) + $items_per_page;
array_slice($array,-$offset,$items_per_page);
It's easy to see that in a few pages we'll have huge offsets. Also starting from page four (offset = -80) there is a huge performance hit.
What could I use instead of array_slice to achieve this sort of array pagination?
Thanks
413
An array, in PHP, is actually just some kind of an ordered map : you can use integers (positive or negative), but also strings, as keys -- and there will not be much of difference.
Parameters: This function can take four parameters and are described below: $array (mandatory): This parameter refers to the original array, we want to slice. $start_point (mandatory): This parameter refers to the starting position of the array from where the slicing need to be performed.
The array_slice() function returns selected parts of an array. Note: If the array have string keys, the returned array will always preserve the keys (See example 4).
Consider creating, filling and manipulating a DB table instead of doing all of this in memory. An index on it will allow you to paginate the files with reasonable performance.
168
If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
