Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

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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