array_flatter

array_flatter.php

<?php

/**
 * Convert a multi-dimensions array to a 1 flat array.
 * 
 * @param array  $array 
 * @param string $separator
 * @param string $prefix 
 * @return array
 */

function array_flatter($array, $separator = '/', $prefix = '') {
  $flat = array();
  foreach($array as $key => $value) {
    if(is_array($value)) {
      $flat = array_merge($flat, array_flatter($value, $separator, $prefix.$key.$separator));
    } else {
      $flat[$prefix.$key] = $value;
    }
  }
  return $flat;
}