PHP function to strip null array entries

strip_null_array_entries.php

<?php

/* 
 * use this function to strip null array entries from an array
 * useful when doing a db update with pdo/zend_db_table etc..
 */

function strip_null_array_entries($values){
  $array = array();
  foreach($values as $key=>$value){
    if( ($value!=='') AND (!is_null($value)) ) $array[$key] = $value;
  }
  return $array;
}

?>