real34

<?php
// @see http://fr2.php.net/manual/en/function.mb-convert-encoding.php#103300
function memory_usage() {
	$mem_usage = memory_get_usage(true);
	if ($mem_usage < 1024) {
		$mem_usage .= ' bytes';
	} elseif ($mem_usage < 1048576) {
		$mem_usage = round($mem_usage/1024,2) . ' kilobytes';
	} else {
		$mem_usage = round($mem_usage/1048576,2) . ' megabytes';

real34

<?php
$rootPath = realpath(dirname(__FILE__) . '/../') . '/';

function takeMutex($name) {
  global $rootPath;

  $filename = $rootPath . 'tmp/cron_' . $name . '.lock';
  if (($handle = @fopen($filename, 'x')) === false) {
    die('Une autre instance de cette tâche est en cours d\'exécution, ou impossible de créer le fichier "' . $filename . '", vérifiez les droits d\'écriture !');
  }

real34

<?php
/**
 * Breadcrumbs helper
 * Allows to generate and display breadcrumbs with a convenient syntax
 *
 * It uses a <ul><li> syntax but can be extended and protected method overriden to
 * generate the markup adapted to your situation
 * 
 */
class BreadcrumbsHelper extends AppHelper {