Description :

             Allows to sort a collection on a field.

Parameters :

             $sName, string : e of the field on which the sorting will be made
             $sBy (optional), string : Indicate the direction of the sorting,
             «asc», indicating an ascending sorting
             «desc», indicating a tri descendant
             By defect this parameter is equal to «asc»
             $sType (optional), constant : Inform the type of type to be carried out
             SORT_NUMERIC, indicating a kind of numerical field
             SORT_STRING, indicating a kind of field string

Value of return :

             No parameter of return.

The following example posts a list of “users” sorted by name in a downward way :

<?php 

  //total instanciation  
  include_once( 'phpsimpledb.class.php' ); 
  Global $oBDD; 
  $oBDD = new PHPSIMPLEDB(); 
  
  // recover a collection of “users” 
  $oUsers_col = $oBDD->getCollection( "users" ); 
  $oUsers_col->load(); 
  
  // Tri descendant at once “name” 
  $oUsers_col->sortByField( "name", "desc", SORT_STRING ); 
  
  //print a "users" 
  foreach($oUsers_col->getObjects() as $oUser ){ 
      print( "name : ".$oUser->getData_field( "name" )."<br/>" ); 
  } 

  ?>