find item in array

before the given key

[WhosAWhata]

say i have the following array

$array = array('k1' => 'v1','k2' => 'v2','k3' => 'v3','k4' => 'v4');

how do i select the value that is provided BEFORE the key i provide

ex:
$mykey = "k2";
$array = array('k1' => 'v1','k2' => 'v2','k3' => 'v3','k4' => 'v4');
$value = somefunctions(); // gives the value v1

ex:
$mykey = "k4";
$array = array('k1' => 'v1','k2' => 'v2','k3' => 'v3','k4' => 'v4');
$value = somefunctions(); // gives the value v3

this is the last thing i do with the array, so if you have to cut pieces out it, its fine

[coopster]

One way would be to loop through, compare your current, then return the previous:

$array = array('k1' => 'v1','k2' => 'v2','k3' => 'v3','k4' => 'v4'); 
$mykey = "k2"; 
while(list($key, $value) = each($array)) { 
 if ($key = $mykey) { 
  print "Previous is: " . prev($array); 
  break; 
 } 
} 

[WhosAWhata]

thanks, just what i was looking for