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Posted By

naz on 03/10/08


Tagged

array


Versions (?)


previous -next keys in array

Published in: PHP 

This function return array with previous and next values from certain point, if pointer is last element in array function return first element.

Plain TextExpand 
  1. function array_navigate($array, $key)
  2. {
  3.     $keys = array_keys($array);
  4.     $index = array_flip($keys);
  5.  
  6.     $return = array();
  7.  
  8.     $return['prev'] = (isset($keys[$index[$key]-1])) ? $keys[$index[$key]-1] : end($keys);
  9.  
  10. 	$return['next'] = (isset($keys[$index[$key]+1])) ? $keys[$index[$key]+1] : current($keys);
  11.  
  12.     return $return;
  13. }

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Posted By: abc on March 12, 2008

this is realy very good URL

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