(PHP 3, PHP 4 )
rawurlencode -- URL-encode according to RFC1738
Description
string rawurlencode (string str)
     Returns a string in which all non-alphanumeric characters except
     
 have been replaced with a percent
     (
%) sign followed by two hex digits.  This is
     the encoding described in RFC1738 for protecting literal
     characters from being interpreted as special URL delimiters, and
     for protecting URL's from being mangled by transmission media
     with character conversions (like some email systems).  For
     example, if you want to include a password in an ftp url:
     
Example 1. Rawurlencode() example 1 
echo '<A HREF="ftp://user:', rawurlencode ('foo @+%/'),
     '@ftp.my.com/x.txt">';
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     Or, if you pass information in a path info component of the url:
     
Example 2. Rawurlencode() example 2 
echo '<A HREF="http://x.com/department_list_script/',
    rawurlencode ('sales and marketing/Miami'), '">';
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     See also rawurldecode(),
     urldecode(),
     urlencode().