Zembower, Kevin wrote:
I'm trying to modify a string so that it can be used as a Distinguished
Name in an LDAP operation. Distinguished Names must have special
characters, such as (, ), / and \ escaped with a backslash. For
instance, 'Kevin (Kev) Zembower, III" becomes 'Kevin \(Kev\) Zembower\,
III'.
I tried to do this in this statement:
$entry['FirstName'] = preg_replace('/(\)|\(|\,|\/)/',`\\$1',
$entry['FirstName'];
But it gives me this error:
Parse error: syntax error, unexpected T_ENCAPSED_AND_WHITESPACE,
expecting T_STRING or T_VARIABLE or T_NUM_STRING in
/var/www/centernet/htdocs/ldap_auth/conversion.php on line 89
Can anyone help me get this statement right? Also, this doesn't seem
very readable or easily maintained. I read about using an array() as the
pattern string, which might make the statement more readable. Can anyone
show me how this would be done, and suggest other ways to make this
statement more easily maintained?
preg_replace('/([\(\),]+)/', '\\\$1', $str)
You don't need the pipes (OR) in the search pattern. By placing them in
the square brackets they act as a set of characters to search for.
The comma also does not require escaping.
I suggest you create an escapeDN() or escapeLDAPStr() function so that
you can alter the search pattern in one place if you need to.
Oh, and i left out the escaped forward slash you had in your search
pattern. Are you really expecting someone to have a forward slash in
their name? If so, change it to:
'/([\(\)\/,]+)/'
brian
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