The Text_Diff class has a not is_a and an is_a
class Text_Diff {
.....
function isEmpty()
.....
// if (!is_a($edit, 'Text_Diff_Op_copy')) {
$class_name = 'Text_Diff_Op_copy';
if ( ( get_class($edit) != $class_name )
&& !is_subclass_of($edit, $class_name) ) {
.....
function lcs()
.....
// if (is_a($edit, 'Text_Diff_Op_copy')) {
$class_name = 'Text_Diff_Op_copy';
if ( ( get_class($edit) == $class_name )
|| is_subclass_of($edit, $class_name) ) {
![[PDA - Heathcare NOT Warfare - Sign the Petition.]](http://pdamerica.org/images/front/HealthNotWar_final.jpg)






One Trackback
[...] wp-includes/Text/Diff.php [...]