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Index: D

\d (digit) metasymbol in regular expressions: 13.1. Introduction
data source (LDAP): 17.8.3. Discussion
data source name (DSN): 8.7.3. Discussion
10.4.3. Discussion
data types
array elements: 4.1. Introduction
checking numbers for specific: 2.2.3. Discussion
complex, encapsulating as strings: 5.8.1. Problem
converting between with unpack( ): 1.14.3. Discussion
database abstraction layers available for PHP: 10.4.3. Discussion
database connection handles: 10.1. Introduction
database_interface (DSN): 10.4.3. Discussion
databases: 10.1. Introduction
caching queries and results: 10.15.1. Problem
DB abstraction layer: 10.1. Introduction
DB database abstraction layer
backends supported by PEAR DB: 10.4.3. Discussion
DBM: 10.3.1. Problem
accessing with DBA abstraction layer: 10.3.2. Solution
handlers compiled into your PHP installation: 10.3.3. Discussion
handlers, differing behavior of: 10.3.3. Discussion
username and password database: 10.3.3. Discussion
escaping quotes in queried data: 10.10.1. Problem
finding number of rows returned by a query: 10.9.1. Problem
logging debugging information and errors: 10.11.1. Problem
MySQL (see MySQL)
nonrelational databases supported by PHP: 10.1. Introduction
Oracle (OCI8 interface): 10.1. Introduction
paginated links for series of records: 10.14.1. Problem
persistent connections: 10.1. Introduction
plaintext files as: 10.1. Introduction
queries, building programmatically: 10.13.1. Problem
relational databases supported by PHP: 10.1. Introduction
repeating queries efficiently: 10.8.1. Problem
retrieving rows without a loop: 10.6.1. Problem
serialized data going into: 5.8.3. Discussion
SQL
connecting to: 10.4.1. Problem
modifying data in: 10.7.1. Problem
portability of: 10.1. Introduction
querying: 10.5.1. Problem
storing and retrieving threaded messages: 10.16. Program: Storing a Threaded Message Board
storing sessions in: 8.7.1. Problem
pc_DB_Session class: 8.7.3. Discussion
php_session table: 8.7.3. Discussion
text files as: 10.2.1. Problem
unique IDs, assigning automatically: 10.12.1. Problem
user accounts: 8.27. Program: Website Account (De)activator
date( ): 3.1. Introduction
3.2.2. Solution
3.2.4. See Also
9.12.2. Solution
converting Unix timestamp to human-friendly format: 17.6.3. Discussion
day of week, month, or year, week of the year: 3.8.2. Solution
formatting dates and times: 3.5.3. Discussion
dates and times: 3.1. Introduction
adding to/subtracting from a date: 3.11.1. Problem
button displaying current time: 20.8.3. Discussion
20.9.3. Discussion
converting to/from epoch timestamps: 3.3.1. Problem
Coordinated Universal Time (see UTC)
current, finding: 3.2.2. Solution
printing today's date in month/day/year format: 3.2.3. Discussion
daylight saving time (see daylight saving time)
difference between two dates: 3.6.1. Problem
difference between two dates with
Julian days: 3.7.1. Problem
dropdown menus based on current date: 9.12.1. Problem
expiration time for cookies: 8.2.3. Discussion
file modification times: 18.6.3. Discussion
finding day in a week, month, year or week number in a year: 3.8.1. Problem
forcing user to log out after fixed time interval: 8.10.3. Discussion
formatting for locales: 16.1. Introduction
generating high-precision time: 3.14.1. Problem
generating time ranges: 3.15.1. Problem
inserting current date and time with NOW( ): 10.8.3. Discussion
ISO 8601 string, returned by XML-RPC application: 12.8.2. Solution
last modified time for URLs: 11.16. Program: Finding Fresh Links
localizing: 16.6.1. Problem
microtime( ): 2.6.3. Discussion
3.14.2. Solution
non-Gregorian calendars, using: 3.16.1. Problem
parsing from strings: 3.10.1. Problem
printing in specified format: 3.5.1. Problem
printing out month's calendar with pc_calendar( ): 3.17. Program: Calendar
requests in web server access logs: 11.14.3. Discussion
sorting dates: 4.18.3. Discussion
start date for time ranges: 3.15.2. Solution
time zones, calculating times in different: 3.12.1. Problem
offsets between time zones: 3.12.3. Discussion
timeouts for FTP connections: 17.7.3. Discussion
timestamps for files: 19.2.2. Solution
timing code execution: 8.26.3. Discussion
timing programs for performance tuning: 8.20.3. Discussion
validating dates: 3.9.1. Problem
day of the week, month, or year: 3.8.1. Problem
daylight saving time: 3.1. Introduction
3.13.1. Problem
adding to/subtracting from dates: 3.11.3. Discussion
difference between two dates with Julian days: 3.7.3. Discussion
differences between two epoch timestamps, effect on: 3.6.3. Discussion
DST flag: 3.3.3. Discussion
zoneinfo time zones, information about: 3.12.3. Discussion
DAYOFWEEK( ) (MySQL): 3.8.3. Discussion
days, calculating variable numbers in months and years for time ranges: 3.15.3. Discussion
DB abstraction layer: 7.1. Introduction
10.1. Introduction
DBA abstraction layer: 10.3.2. Solution
dba_close( ): 10.3.3. Discussion
dba_exists( ): 10.3.3. Discussion
dba_fetch( ): 10.3.3. Discussion
DB::affectedRows( ): 10.9.2. Solution
dba_firstkey( ): 10.3.3. Discussion
dba_nextkey( ): 10.3.3. Discussion
dba_open( ): 10.3.3. Discussion
10.3.3. Discussion
dba_optimize( ): 10.3.3. Discussion
dba_replace( ): 10.3.3. Discussion
dba_sync( ): 10.3.3. Discussion
DB::autoPrepare( ): 10.13.2. Solution
DB::connect( ): 10.1. Introduction
DB_Error class: 10.5.3. Discussion
10.11.3. Discussion
DB::execute( ): 10.7.2. Solution
10.8.2. Solution
DB::getAll( ): 10.6.2. Solution
DB::getAssoc( ): 10.6.2. Solution
DB::getCol( ): 10.6.2. Solution
DB::getOne( ): 10.6.2. Solution
DB::getRow( ): 10.6.2. Solution
DB::isError( ): 10.11.2. Solution
DBM databases: 10.1. Introduction
10.3.1. Problem
handlers compiled into your PHP installation: 10.3.3. Discussion
handlers, differing behavior of: 10.3.3. Discussion
username and password database: 10.3.3. Discussion
DB::modifyLimitQuery( ): 10.14.3. Discussion
DB::nextId( ): 10.12.2. Solution
DB_Pager class: 10.14.2. Solution
fetchRow( ): 10.14.3. Discussion
DB_Pager::build( ): 10.14.3. Discussion
DB::prepare( ): 10.7.2. Solution
10.8.2. Solution
DB::query( ): 10.4.3. Discussion
10.7.2. Solution
10.11.3. Discussion
DB::quote( ): 10.5.3. Discussion
10.10.2. Solution
calling strtr( ) after: 10.10.3. Discussion
DB_Result::fetchInto( ): 10.5.2. Solution
DB_Result::fetchRow( ): 10.5.2. Solution
DB_Result::numRows( ): 10.9.2. Solution
DB::setFetchMode( ): 10.5.3. Discussion
DB_Sql class in PHPLib: 10.4.3. Discussion
ddd (octal codes for characters): 13.3.3. Discussion
debugging
database problems: 10.11.1. Problem
error logging, use in: 8.18.3. Discussion
HTTP request/response cycle: 11.7.1. Problem
logging information for: 8.20.1. Problem
printing information for cURL module to standard error: 11.7.3. Discussion
decbin( ): 2.15.3. Discussion
dechex( ): 2.15.3. Discussion
decimal numbers: 2.1. Introduction
formatting for dollar amounts: 2.10.2. Solution
declare construct: 8.26.3. Discussion
declaring/defining
class properties: 7.1. Introduction
class variables: 7.1. Introduction
classes: 7.1. Introduction
functions: 6.1. Introduction
static variables: 5.6.3. Discussion
decoct( ): 2.15.3. Discussion
decoding data
base64_decode( ): 14.3.2. Solution
pc_decode( ): 9.4.3. Discussion
utf8_decode( ): 16.12.2. Solution
decrypting data: 14.8.3. Discussion
14.10.3. Discussion
decryption modes: 14.8.3. Discussion
get-crypt.php program: 14.9.3. Discussion
mcrypt_decrypt( ): 14.8.3. Discussion
default values
assigning to function parameters: 6.5.3. Discussion
setting for function parameters: 6.3.1. Problem
for variables: 5.3.1. Problem
deg2rad( ): 2.13.2. Solution
degrees: 2.12.3. Discussion
DELETE command (SQL): 10.7.2. Solution
finding number of rows returned by a query: 10.9.2. Solution
delete-user.php program: 8.27. Program: Website Account (De)activator
8.27. Program: Website Account (De)activator
deleting: 8.4.3. Discussion
(see also removing)
array elements: 4.6.1. Problem
cookies: 8.4.1. Problem
files: 19.6.1. Problem
delta: 2.3.2. Solution
delta values, rounding off numbers: 2.4.3. Discussion
dependencies for PEAR packages, checking: 21.5.3. Discussion
depth-first search: 19.10.3. Discussion
destroy signal: 20.6.3. Discussion
destroying images: 15.10. Program: Generating Bar Charts from Poll Results
/dev/null (Unix), redirecting output to: 18.24.3. Discussion
dgettext( ): 16.11.3. Discussion
dictionary attacks: 14.5.3. Discussion
dictionary words, keeping out of passwords: 14.6.3. Discussion
differences between arrays: 4.24.1. Problem
array_diff( ), getting simple difference: 4.24.3. Discussion
creating your own algorithm for: 4.24.3. Discussion
reversing: 4.24.3. Discussion
symmetric difference: 4.24.3. Discussion
digit (\d) metasymbol: 13.1. Introduction
Dijkstra, Edsger: 4.26.3. Discussion
dir( ): 19.1. Introduction
19.8.3. Discussion
dir command (Windows): 19.9.3. Discussion
directories: 19.1. Introduction
19.1. Introduction
(see also files)
copying or moving a file: 19.7.1. Problem
creating new: 19.11.1. Problem
deleting files: 19.6.1. Problem
as exclusive lock indicators: 18.25.3. Discussion
file information, getting: 19.3.1. Problem
file permissions or ownership, changing: 19.4.1. Problem
file timestamps, getting and setting: 19.2.1. Problem
filenames matching a pattern: 19.9.1. Problem
filenames, splitting into component parts: 19.5.1. Problem
processing all files in: 19.8.1. Problem
19.10.1. Problem
program listing web server files: 19.13. Program: Web Server Directory Listing
removing with all contents: 19.12.1. Problem
site-search.php program: 19.14. Program: Site Search
directory class: 19.1. Introduction
dirname( ): 19.5.2. Solution
dir::read( ): 19.13. Program: Web Server Directory Listing
display( ): 8.26.3. Discussion
distinguished names (LDAP): 17.8.3. Discussion
divisor, greatest common: 2.14.3. Discussion
dl( ): 20.1. Introduction
loading PECL packages: 21.6.2. Solution
DNS (Domain Name Service)
checking validity of email addresses: 13.6.3. Discussion
dynamic update requests: 18.22.3. Discussion
Net_DNS package: 17.10.3. Discussion
performing lookups: 17.10.1. Problem
documentation
MySQL's UNIX_TIMESTAMP( ): 3.6.4. See Also
PEAR classes: 21.9.1. Problem
PHP-GTK extension: 20.1. Introduction
shared memory segments and semaphores: 5.7.4. See Also
strftime( ) options: 3.5.4. See Also
DOM
generating XML with: 12.3.1. Problem
libxml parser: 12.3.3. Discussion
parsing XML with: 12.4.1. Problem
searching through tree for specific elements: 12.4.3. Discussion
tree-based parsing: 12.4.3. Discussion
top-level or root node: 12.3.3. Discussion
W3C specification, web site for: 12.4.3. Discussion
domain names, getting information about: 17.12.1. Problem
domains: 16.11.3. Discussion
(see also DNS)
cookies, specifying for: 8.2.3. Discussion
gettext messages: 16.11.3. Discussion
top-level, in email addresses: 13.6.3. Discussion
Dominus, Mark-Jason: 4.26.3. Discussion
double quotes (see ", under Symbols)
drawing
arcs, ellipses, and circles: 15.3.1. Problem
centered text: 15.6.1. Problem
GD built-in fonts: 15.6.3. Discussion
PostScript Type 1 fonts: 15.6.3. Discussion
TrueType fonts: 15.6.3. Discussion
lines, rectangles, and polygons: 15.2.1. Problem
patterned lines, using: 15.4.1. Problem
text as a graphic: 15.5.1. Problem
dropdown menus based on current date: 9.12.1. Problem
DSN (data source name): 8.7.3. Discussion
10.4.3. Discussion
DST (see daylight saving time)
dump_file( )
DOM XML documents: 12.3.3. Discussion
generating well-formed XML document: 12.3.2. Solution
dumping variable contents as strings: 5.9.1. Problem
dump_mem( )
formatting DOM XML output: 12.3.3. Discussion
generating well-formed XML document: 12.3.2. Solution
duplicate elements, removing from arrays: 4.23.1. Problem
dynamic classes: 7.13.1. Problem
dynamic functions: 6.13.1. Problem
dynamic images: 15.7.1. Problem
button page (in HTML): 15.7.3. Discussion
dynamic object instantiation: 7.14.1. Problem
dynamic variable names: 5.5.1. Problem


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