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Index: R

r (carriage return): 13.2.3. Discussion
in double-quoted strings: 1.1. Introduction
r mode, opening pipe in: 18.24.2. Solution
rad2deg( ): 2.13.2. Solution
radians: 2.12.3. Discussion
rand( ): 2.6.3. Discussion
random numbers
biased, generating: 2.7.1. Problem
computing with pc_randomint( ): 18.11.3. Discussion
generating within a range: 2.6.1. Problem
sources for initialization vectors: 14.8.3. Discussion
randomizing
all lines in a file: 18.12.1. Problem
arrays: 4.21.1. Problem
range( ): 2.5.2. Solution
4.4.2. Solution
4.4.4. See Also
ranges
integers, initializing array to: 4.4.1. Problem
time, generating: 3.15.1. Problem
RDF Site Summary (see RSS feeds)
read( ): 19.1. Introduction
dir class: 19.13. Program: Web Server Directory Listing
read permission: 19.1. Introduction
readdir( ): 19.1. Introduction
19.8.2. Solution
readfile( ): 18.6.3. Discussion
reading
file into a string: 18.6.1. Problem
from specific location in a file: 18.15.1. Problem
from standard input: 18.5.1. Problem
readline( ): 20.4.2. Solution
Readline extension: 20.4.2. Solution
readline_add_history( ): 20.4.3. Discussion
readPHPArgv( ) (Console_Getopt): 20.3.3. Discussion
records
counting in a file: 18.7.2. Solution
fixed-width, in strings: 1.11.1. Problem
rectangles, drawing: 15.2.2. Solution
filled rectangle: 15.2.2. Solution
bars on bar chart: 15.10. Program: Generating Bar Charts from Poll Results
recursive functions: 4.26.3. Discussion
depth-first recursion to process nodes in DOM XML document: 12.4.2. Solution
dumping variable contents to strings: 5.9.2. Solution
redirecting
cookies to different location: 8.5.1. Problem
HTTP requests: 8.5.1. Problem
11.2.3. Discussion
input/output
cURL debugging output: 11.7.3. Discussion
standard error to standard output: 18.24.2. Solution
References header: 17.5.3. Discussion
references to objects
assigning: 7.6.1. Problem
GTK windows: 20.6.3. Discussion
Referer header: 11.5.3. Discussion
register_globals configuration directive: 8.24.3. Discussion
9.1. Introduction
disabling for security: 9.8.2. Solution
register_tick_function( ): 8.26.3. Discussion
regular expressions: 13.1. Introduction
capturing text inside HTML tags: 13.8.1. Problem
converting from ereg functions to preg: 13.2.1. Problem
pattern delimiters in preg: 13.2.3. Discussion
pattern modifiers in preg: 13.2.3. Discussion
converting text email addresses to mailto: hyperlinks: 13.1. Introduction
equivalent for trim( ): 13.1. Introduction
for file extensions: 7.10.3. Discussion
filenames matching a pattern: 19.9.2. Solution
finding all lines in a file that match a pattern: 13.7.1. Problem
finding the nth occurrence of a match: 13.4.1. Problem
greedy or nongreedy matching: 13.5.1. Problem
HTML string, searching for image tag: 13.1. Introduction
matching pattern separator for records: 13.10.1. Problem
matching Unix and Windows linebreaks: 18.7.3. Discussion
18.7.3. Discussion
matching valid email addresses: 13.6.1. Problem
matching words: 13.3.1. Problem
metacharacters in: 13.1. Introduction
escaping: 13.9.1. Problem
metasymbols in: 13.1. Introduction
parsing dates and times from strings: 3.10.3. Discussion
pattern modifiers: 13.1. Introduction
pc_link_extractor( ), using with: 11.9.3. Discussion
Perl-compatible, preg functions for: 13.1. Introduction
POSIX and Perl-compatible, web site information on: 13.1. Introduction
preg_match( ), using with: 11.8.3. Discussion
matching Combined Log Format lines: 11.14.3. Discussion
s (whitespace) metacharacter: 18.8.3. Discussion
search terms for site-search.php program: 19.14. Program: Site Search
for separators in string splitting: 1.12.3. Discussion
relational databases supported by PHP: 10.1. Introduction
remote files, opening: 18.4.1. Problem
remote-info command (pear): 21.4.2. Solution
remote-list command (pear): 21.3.2. Solution
removing: 19.12.1. Problem
(see also deleting)
directory and all contents: 19.12.1. Problem
duplicate elements from arrays: 4.23.1. Problem
first and last array elements: 4.6.3. Discussion
HTML and PHP tags: 11.12.1. Problem
last element from an array and returning it: 4.1. Introduction
last line of a file: 18.16.1. Problem
line delimiter characters: 18.1. Introduction
PEAR packages: 21.8.1. Problem
rename( ): 19.7.2. Solution
REPLACE INTO command (MySQL): 8.7.3. Discussion
$_REQUEST superglobal array: 9.1. Introduction
9.8.2. Solution
requests
HTTP
debugging: 11.7.1. Problem
GET method, building query string for: 8.9.1. Problem
recorded in web server access log: 11.14.3. Discussion
redirecting: 11.2.3. Discussion
stateless nature of: 8.1. Introduction
SOAP
receiving: 12.10.1. Problem
sending: 12.9.1. Problem
XML-RPC
receiving: 12.8.1. Problem
sending: 12.7.1. Problem
require directive: 11.2.3. Discussion
reset( )
moving pointer back to start of an array: 4.5.3. Discussion
returning value of first array element: 4.10.3. Discussion
responses, HTTP
debugging: 11.7.1. Problem
headers and body, retrieving with HTTP_Request class: 11.7.3. Discussion
return values for functions: 5.1. Introduction
assigning to variables: 6.1. Introduction
failure: 6.10.1. Problem
multiple, from one function: 6.8.1. Problem
returning by reference: 6.7.1. Problem
skipping selected: 6.9.1. Problem
return_time( ): 12.8.3. Discussion
associating XML-RPC methods with: 12.8.3. Discussion
reversing
array difference: 4.24.3. Discussion
array iteration: 18.10.3. Discussion
arrays: 4.16.1. Problem
rewind( ): 18.15.2. Solution
18.16.3. Discussion
RGB color combinations: 15.1. Introduction
defining for graphical bar charts: 15.10. Program: Generating Bar Charts from Poll Results
rm -rf command: 18.21.3. Discussion
rmdir( ): 19.12.3. Discussion
root element (XML): 12.1. Introduction
root node (DOM XML): 12.3.3. Discussion
getting: 12.4.2. Solution
rotating text: 15.5.3. Discussion
15.6.3. Discussion
round( ): 2.4.2. Solution
rounding floating-point numbers: 2.4.1. Problem
RPC (see XML, XML-RPC)
rsort( ): 4.17.3. Discussion
RSS feeds
processing with expat library and transforming to HTML: 12.5.3. Discussion
reading: 12.12.1. Problem
rtrim( ): 1.9.2. Solution
1.11.3. Discussion
removing line delimiter characters: 18.1. Introduction
trimming newlines with: 18.13.3. Discussion


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