SYMBOL]
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]
[K]
[L]
[M]
[N]
[O]
[P]
[Q]
[R]
[S]
[T]
[U]
[V]
[W]
[X]
[Z]
\r (carriage return)
in double-quoted strings
r mode, opening pipe in
rad2deg( )
radians
rand( )
random numbers
biased, generating
computing with pc_randomint( )
generating within a range
sources for initialization vectors
randomizing
all lines in a file
arrays
range( )
2nd
3rd
ranges
integers, initializing array to
time, generating
RDF Site Summary
[See RSS feeds]
read permission
read( )
dir class
readdir( )
2nd
readfile( )
reading
file into a string
from specific location in a file
from standard input
Readline extension
readline( )
readline_add_history( )
readPHPArgv( ) (Console_Getopt)
records
counting in a file
fixed-width, in strings
rectangles, drawing
filled rectangle
bars on bar chart
recursive functions
depth-first recursion to process nodes in DOM XML document
dumping variable contents to strings
redirecting
cookies to different location
HTTP requests
2nd
input/output
cURL debugging output
standard error to standard output
References header
references to objects
assigning
GTK windows
Referer header
register_globals configuration directive
2nd
disabling for security
register_tick_function( )
regular expressions
\s (whitespace) metacharacter
capturing text inside HTML tags
converting from ereg functions to preg
pattern delimiters in preg
pattern modifiers in preg
converting text email addresses to mailto\: hyperlinks
equivalent for trim( )
for file extensions
filenames matching a pattern
finding all lines in a file that match a pattern
finding the nth occurrence of a match
greedy or nongreedy matching
HTML string, searching for image tag
matching pattern separator for records
matching Unix and Windows linebreaks
2nd
matching valid email addresses
matching words
metacharacters in
escaping
metasymbols in
parsing dates and times from strings
pattern modifiers
pc_link_extractor( ), using with
Perl-compatible, preg functions for
POSIX and Perl-compatible, web site information on
preg_match( ), using with
matching Combined Log Format lines
search terms for site-search.php program
for separators in string splitting
relational databases supported by PHP
remote files, opening
remote-info command (pear)
remote-list command (pear)
removing
[See also deleting]
directory and all contents
duplicate elements from arrays
first and last array elements
HTML and PHP tags
last element from an array and returning it
last line of a file
line delimiter characters
PEAR packages
rename( )
REPLACE INTO command (MySQL)
requests
HTTP
debugging
GET method, building query string for
recorded in web server access log
redirecting
stateless nature of
SOAP
receiving
sending
XML-RPC
receiving
sending
require directive
reset( )
moving pointer back to start of an array
returning value of first array element
responses, HTTP
debugging
headers and body, retrieving with HTTP_Request class
return values for functions
assigning to variables
failure
multiple, from one function
returning by reference
skipping selected
return_time( )
associating XML-RPC methods with
reversing
array difference
array iteration
arrays
rewind( )
2nd
RGB color combinations
defining for graphical bar charts
rm -rf command
rmdir( )
root element (XML)
root node (DOM XML)
getting
rotating text
2nd
round( )
rounding floating-point numbers
RPC
[See XML, XML-RPC]
rsort( )
RSS feeds
processing with expat library and transforming to HTML
reading
rtrim( )
2nd
removing line delimiter characters
trimming newlines with
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