<?php

/**
 * Return a path to the icon.
 * @param string $context Context for the icon
 * @param string $name Name of the icon
 * @param integer $size Icon size
 * @return string Path to the icon
 */
function ti_get_image_path($context, $name, $size) {
	return sfContext::getInstance()->getRequest()->getRelativeUrlRoot()."/sfTangoIconsPlugin/images/{$size}x{$size}/{$context}/{$name}.png";
}

<?php

/**
 * Return a path to the icon.
 * @param integer $size Icon size
 * @param string $context Context for the icon
 * @param string $name Name of the icon
 * @return string Path to the icon
 */
function ti_get_image_path($size, $context, $name) {
	return sfContext::getInstance()->getRequest()->getRelativeUrlRoot()."/sfTangoIconsPlugin/images/{$size}x{$size}/{$context}/{$name}.png";
}
--- 
+++ 
@@ -2,11 +2,11 @@
 
 /**
  * Return a path to the icon.
- * @param integer $size Icon size
  * @param string $context Context for the icon
  * @param string $name Name of the icon
+ * @param integer $size Icon size
  * @return string Path to the icon
  */
-function ti_get_image_path($size, $context, $name) {
+function ti_get_image_path($context, $name, $size) {
 	return sfContext::getInstance()->getRequest()->getRelativeUrlRoot()."/sfTangoIconsPlugin/images/{$size}x{$size}/{$context}/{$name}.png";
 }
Change the sequence of parameters
