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: 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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