I have a problem with my conversion. I don't understand where is my problem, because normally all will be work, So my conversion doesn't work.

```
$sEndDateFilter is 27/03/2015 23:59:59

```

When I tried to convert:

```
$iEndDateFilter = strtotime($sEndDateFilter);

```

my **$iEndDateFilter** is vide

Help me please.