[SYMBOL]
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]
[K]
[L]
[M]
[N]
[O]
[P]
[Q]
[R]
[S]
[T]
[U]
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[W]
[X]
[Z]
\r special character
radio buttons, setting default values in
Ray, Erik T.
2nd
rb and rb+ modes for fopen( )
read permission, testing for
reading
entire files
parts of files
realpath( )
register_globals configuration directive
regular expressions
anchors and
character classes and
characters and metacharacters
email addresses, verifying with
grouping together characters
PCRE extension functions
quantifiers and
greedy/nongreedy
screen scraping and
validation strategies and
remote files
reading
writing
REMOTE_ADDR element in $_SERVER auto-global array
REMOTE_HOST element in $_SERVER auto-global array
replacing matching parts of strings
require construct
required elements in forms, checking length of
resources, PHP
response body in HTML documents
return keyword
return values
2nd
assigning to variables
capturing
passing to other functions
return values of functions
reverse-sorting functions for arrays
rows
adding to database tables
affectedRows( )
alternating colors of
counting, using numrows( )
fetchRow( )
removing from tables
retrieved
changing format of
as objects
returned from SELECT query, ordering
uniquely identifying in tables
updating all or some
rsort( )
RSS (XML format)
extending DomDocument to handle RSS feed
generating XML documents
parsing XML documents
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