How do I replace double quotes with single quotes

Question

How can I replace \"\" (I think it\'s called double quotes) with \'\' (I think its called single quotes) using PHP?

Answer 1

For PHP 5.3.7

$str = str_replace('"',''',$str);

OR

$str = str_replace('"',"'",$str);

For PHP 5.2

$str = str_replace('"',"'",$str);