Prints a formatted array from a per line list

list-to-array.php

<?php
/**
 * prints a formatted array from a per line list
 *
 * Each value is converted to it's own key with
 * spaces replaced with underscores and strtolower().
 * Values are converted to uppercase first letters with ucwords().
 */
function list_to_array($string) {
  $string = explode("\n",$string);
  foreach ($string as $val) {
    $val = trim($val);
    $patterns = array('/[^a-zA-Z0-9-\s]/', '/ /');
    $replacements = array('', '_');
    $key = strtolower(preg_replace($patterns, $replacements, $val));
    $string_processed[$key] = ucwords($val);
  }
  echo '<pre>';
  var_export($string_processed);
  echo '</pre>';
}