php_sort_array.php

<?php
    function pr($var) { echo '<pre>' .print_r($var, true). '</pre>'; }
    $array = array(
      (object) array('title'=>'a','ordering'=>2),
      (object) array('title'=>'x','ordering'=>0),
      (object) array('title'=>'r','ordering'=>4),
      (object) array('title'=>'b','ordering'=>21),
      (object) array('title'=>'b1','ordering'=>21),
      (object) array('title'=>'q','ordering'=>6),
      (object) array('title'=>'o','ordering'=>7),
      (object) array('title'=>'n','ordering'=>9),
      (object) array('title'=>'z','ordering'=>1),
      (object) array('title'=>'m','ordering'=>22),
      (object) array('title'=>'a.1','ordering'=>2),
      );
    function fn_sort_asc($a, $b) {
      return $a->ordering - $b->ordering;
      //return $a->ordering > $b->ordering;
      //return strtolower($a['name']) > strtolower($b['name']);
      //if ($a->ordering == $b->ordering ) { return 0; } // this will place item under to top instead of
      if ($a->ordering == $b->ordering ) { return 1; }
      return $a->ordering > $b->ordering ? 1 : -1;
    }
     
    pr($array);
    uasort($array, 'fn_sort_asc');
    pr($array);
    // k9 ga qua =))