[SPAM?] [PHP-DB] Replacing "+" with " " question

This mail is probably spam. The original message has been attached along with this report, so you can recognize or block similar unwanted mail in future. See http://spamassassin.org/tag/ for more details. Content preview: Hi all I want the contents of a variable to be returned to the user without the + symbols, how do I do that? This is what I have so far by the string replace function doesn't replace the spaces and display bla bla bla as I want: [...] Content analysis details: (5.00 points, 5 required) HTML_MESSAGE (0.1 points) BODY: HTML included in message HTML_10_20 (1.4 points) BODY: Message is 10% to 20% HTML RCVD_IN_OSIRUSOFT_COM (0.6 points) RBL: Received via a relay in relays.osirusoft.com [RBL check: found 4.131.92.216.relays.osirusoft.com.] X_OSIRU_OPEN_RELAY (2.9 points) RBL: DNSBL: sender is Confirmed Open Relay