R

Index

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r (read)mode
%r format string option (DATE FORMAT() function)
%r formatting directive
RAM disks, scoreboard files
raw headers (forms)
RC2, symmetric cryptography
RC4, symmetric cryptography
read mode
readdir() function
reading
     characters 2nd
     directory contents
     feof() function
     fgets() function
    files
         arbitrary data amounts
     fread() function
     fseek() function
     lines
     using popen() function
README files
realm authentication, AuthName directive
record addition mechanisms (online address books)
record deletion mechanisms (online address books)
recording events, error logs
rectangles
     ImageFilledRectangle() function
     ImageRectangle() function
reference passing (arguments)
registered users, sessions with
registering multiple session variables
relationships
     many-to-many
     one-to-many
     one-to-one
RELOAD command
removefromcart.php script
removing privileges
REPEAT() function
REPLACE command
REPLACE() function
replacing
     string portions
     strings
Reply-to headers
replytopost.pho script
request headers, name-based virtual hosting (syntax)
request logs
requests
     client requests, tracking (access log)
     HTTP requests, logging
Require directive, authentication modules
require once() function
require() function
reset() function, arrays
resolving hostnames(managing logs)
resource data type
restricting access
     authentication
     authentication modules
     based on cookie values
     client authentication
return statements
     argument swapping
     function values
returning values, form included documents
reverse DNS lookups, IP addresses
REVOKE command
RGB color values, image creation
RIGHT JOIN command
RIGHT() function
RLimitCPU directive
RLimitMem directive
RLimitNProc directive
rmdir() function
robots.txt files, Apache security
ROLLBACK command, database transactions
root elements, XML
root users, MySQL running as 2nd
rotatelogs program 2nd
round robin DNS
RPAD() function
RTRIM() function 2nd