I was looking at this ExpressionEngine plugin:

Description: This plugin converts reserved XML characters to entities.
 It is used in the RSS templates.

... Curious about this code:

trim(str_replace(array('&#47;', '&nbsp;'), array("/", '&#160;'), $str));

The plugin author used the above bit of code in the return statement.

Just curious if their is any particular reason why one would want to
replace &#47; and &nbsp; with / and &#160 respectively?

For example, I am writing a similar plugin which utilizes
htmlentities()... I guess I am just wondering if I should apply the
same code as above to my entity-converted string?



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