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Index: U

u elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
u objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
9.6. Alphabetical Object Reference (Dynamic HTML)
U pattern modifier: 13.5.2. Solution (PHP Cookbook), quantifiers, converting to/from greedy or nongreedy: 13.5.3. Discussion (PHP Cookbook)
uasort( ): 5.8.1. Sorting One Array at a Time (Programming PHP)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
2.5.5.4. Sorting with user-defined element comparison (Web Database Applications)
ubound( ) method, VBArray objects: 12.5. Core Objects (Dynamic HTML)
ucfirst( ): 1.7.2. Solution (PHP Cookbook)
4.4.2. Changing Case (Programming PHP)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
ucwords( ): 1.7.2. Solution (PHP Cookbook)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
ucwords( ) function: 4.4.2. Changing Case (Programming PHP)
uid( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
UIEvent object: 19.2.5. Event Modules and Event Types (JavaScript)
19.2.6.2. UIEvent (JavaScript)
25. W3C DOM Reference (JavaScript)
UIEvent objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
uksort( ): 5.8.1. Sorting One Array at a Time (Programming PHP)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
ul elements: 3.2. Understanding Block-Level Elements (Dynamic HTML)
8.3. Alphabetical Tag Reference (Dynamic HTML)
ul objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
umask( ): 19.1. Introduction (PHP Cookbook)
12.4.1. Get It Right the First Time (Programming PHP)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
umask (permission setting): 19.1. Introduction (PHP Cookbook)
unary not operator: 2.2.3. Conditional Expressions (Web Database Applications)
unary operators: 5.2.1. Number of Operands (JavaScript)
5.2.1. Number of Operands (JavaScript)
2.4.1. Number of Operands (Programming PHP)
- (arithmetic negation) operator: 2.4.5. Arithmetic Operators (Programming PHP)
- (minus): 5.3. Arithmetic Operators (JavaScript)
+ (plus): 5.3. Arithmetic Operators (JavaScript)
autoincrement and autodecrement: 2.4.7. Autoincrement and Autodecrement Operators (Programming PHP)
new: 5.10.3. The Object Creation Operator (new) (JavaScript)
8.2. Constructors (JavaScript)
typeof: 5.10.2. The typeof Operator (JavaScript)
void: 5.10.5. The void Operator (JavaScript)
unassigned vs. undefined variables: 4.3.2. Undefined Versus Unassigned (JavaScript)
Unauthorized (401) HTTP error: 17.2.4. Client Request Incomplete (Webmaster in a Nutshell)
UnBookmark command: D. Internet Explorer Commands (Dynamic HTML)
uncompressing and extracting PHP and Apache distributions: 1.3. Installing PHP (Programming PHP)
undefined property: 23. Core JavaScript Reference (JavaScript), Global objects: 12.5. Core Objects (Dynamic HTML)
undefined values: 3.8. undefined (JavaScript)
23. Core JavaScript Reference (JavaScript)
generating with void operator: 5.10.5. The void Operator (JavaScript)
identity of: 5.4.1. Equality (==) and Identity (===) (JavaScript)
properties: 8.1.4. Undefined Properties (JavaScript)
unassigned vs.: 4.3.2. Undefined Versus Unassigned (JavaScript)
Underline command: D. Internet Explorer Commands (Dynamic HTML)
underlining text in PDF files: 10.3.3. Text Attributes (Programming PHP)
underscore (_): 4.4. Frame Targets (Webmaster in a Nutshell)
unescape( ): 16.2. Storing Cookies (JavaScript)
23. Core JavaScript Reference (JavaScript)
Global objects: 12.5. Core Objects (Dynamic HTML)
unescape( ) (Global object): 11.4. JavaScript API Reference (Webmaster in a Nutshell)
unescape_url( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
unescape_url_info( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
Unicode: 2.1. Character Set (JavaScript)
16.1. Introduction (PHP Cookbook)
character encodings supported by XML parser: 11.3.6.1. Character encoding (Programming PHP)
escape sequences: 3.2.2. Escape Sequences in String Literals (JavaScript)
FriBiDi extension, reordering strings for encoded character set: B.1. Optional Extensions Listing (Programming PHP)
in identifiers: 2.7. Identifiers (JavaScript)
keypress events: 19.3.1. The IE Event Object (JavaScript)
reading or writing: 16.12.1. Problem (PHP Cookbook)
in string literals: 3.2.1. String Literals (JavaScript)
whitespace characters, in regular expression matching: 10.1.2. Character Classes (JavaScript)
unicode-bidi attribute (CSS): 11.5. Alphabetical Attribute Reference (Dynamic HTML)
unicodeBidi property
CSSStyleDeclaration objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
style objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
Uniform Resource Locators (see URLs)
uninstall command (pear): 21.8.2. Solution (PHP Cookbook)
union of arrays: 4.24.1. Problem (PHP Cookbook), merging arrays to create: 4.24.3. Discussion (PHP Cookbook)
union of two sets: 5.10.1. Sets (Programming PHP)
uniqid( ): 9.6.2. Solution (PHP Cookbook)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
unique IDs
assigning automatically and maintaining database of: 10.12.1. Problem (PHP Cookbook)
database of, building programmatic queries: 10.13.1. Problem (PHP Cookbook)
LDAP: 17.8.3. Discussion (PHP Cookbook)
uniqueID property: 9.5.3. Event Handlers (Dynamic HTML)
uniqueInteger( ): 7.5.3. Defining Your Own Function Properties (JavaScript)
unit values
specifying for CSS style attributes: 18.5.5. Traversing Style Sheets (JavaScript)
specifying for style properties: 18.3.2. Working with Style Properties (JavaScript)
units attribute, embed elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
units attribute, <embed>: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
units, edge measurement attributes: 4.2.2. top, right, bottom, and left Attributes (Dynamic HTML)
units property, embed objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
universal (UTC) time: 23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
23. Core JavaScript Reference (JavaScript)
Date object methods for: 23. Core JavaScript Reference (JavaScript)
date, string representation: 23. Core JavaScript Reference (JavaScript)
difference from local time: 23. Core JavaScript Reference (JavaScript)
minutes, setting for date: 23. Core JavaScript Reference (JavaScript)
month, setting for: 23. Core JavaScript Reference (JavaScript)
year, setting in: 23. Core JavaScript Reference (JavaScript)
Unix
downloading and installing PHP-GTK: 20.1. Introduction (PHP Cookbook)
file permissions: 19.1. Introduction (PHP Cookbook)
files, line delimiters and pathnames: 18.1. Introduction (PHP Cookbook)
installing PHP: 1.3. Installing PHP (Programming PHP)
locale system in POSIX-style regular expressions: 4.9. POSIX-Style Regular Expressions (Programming PHP)
man strftime: 3.5.4. See Also (PHP Cookbook)
matching filenames, using ls with `: 19.9.3. Discussion (PHP Cookbook)
MySQLÕs UNIX_TIMESTAMP( ) function: 3.6.4. See Also (PHP Cookbook)
pathnames: 18.1. Introduction (PHP Cookbook)
PEAR, installing on: 21.1. Introduction (PHP Cookbook)
protocol for databases: 8.3.1. Data Source Names (Programming PHP)
redirecting standard error to standard output: 18.24.3. Discussion (PHP Cookbook)
shell scripting languages, comments in: 2.1.4.1. Shell-style comments (Programming PHP)
system logins formatted as HTML table: 18.23.3. Discussion (PHP Cookbook)
terminal characteristics: 20.5.3. Discussion (PHP Cookbook)
writing portable PHP code for: 15.2. Writing Portable Code for Windows and Unix (Programming PHP)
determining the platform: 15.2.1. Determining the Platform (Programming PHP)
end-of-file handling: 15.2.8. End-of-File Handling (Programming PHP)
end-of-line handling: 15.2.7. End-of-Line Handling (Programming PHP)
environment information: 15.2.3. The Environment (Programming PHP)
extensions: 15.2.10. Common Platform-Specific Extensions (Programming PHP)
paths, handling: 15.2.2. Handling Paths Across Platforms (Programming PHP)
remote files: 15.2.6. Remote Files (Programming PHP)
sending mail: 15.2.4. Sending Mail (Programming PHP)
server-specific functions: 15.2.5. Server-Specific Functions (Programming PHP)
shell commands: 15.2.9. External Commands (Programming PHP)
zoneinfo library: 3.12.3. Discussion (PHP Cookbook), time zones, listed: 3.12.3. Discussion (PHP Cookbook)
Unix cron tables: 13.1.1. cron Jobs (Web Database Applications)
Unix timestamp: 2.8.1. Generating a Timestamp (Web Database Applications)
unix_timestamp( ): 13.1. Automated Housekeeping (Web Database Applications)
unixtojd( ): 3.11.3. Discussion (PHP Cookbook)
unlink( ): 19.6.2. Solution (PHP Cookbook)
19.12.3. Discussion (PHP Cookbook)
3.1. Calling a Function (Programming PHP)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
Unlink command: D. Internet Explorer Commands (Dynamic HTML)
UNLINK method (HTTP): 17.1.1.4. Other methods (Webmaster in a Nutshell)
UNLOCK TABLES statement: 6.2.2.2. The LOCK TABLES and UNLOCK TABLES statements in MySQL (Web Database Applications)
unlocking locked files: 18.25.3. Discussion (PHP Cookbook)
unnamed functions, embedding in programs as literal data values: 3.4.1. Function Literals (JavaScript)
unpack( ): A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
extracting binary data from strings: 1.14.2. Solution (PHP Cookbook)
format characters, listing of: 1.14.3. Discussion (PHP Cookbook)
format strings: 1.14.3. Discussion (PHP Cookbook)
parsing fixed-width records in strings: 1.11.2. Solution (PHP Cookbook)
substituting for substr( ) in extracting fixed-width fields: 1.11.3. Discussion (PHP Cookbook)
unpacking Apache and PHP source distributions: 1.3. Installing PHP (Programming PHP)
unparsed XML entities: 11.3.4. Entity Handlers (Programming PHP)
unregister_tick_function( ): 8.26.3. Discussion (PHP Cookbook)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
unrepeatable read problem: 6.2. Issues in Writing Data to Databases (Web Database Applications)
6.2.1. Transactions and Concurrency (Web Database Applications)
Unselect command: D. Internet Explorer Commands (Dynamic HTML)
unselectable attribute: 8.2.1. Attributes (Dynamic HTML)
unserialize( ): 5.8.2. Solution (PHP Cookbook)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
unset( ): 5.1. Introduction (PHP Cookbook)
7.4.2. Solution (PHP Cookbook)
9.8.3. Discussion (PHP Cookbook)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
2.1.7.2. Testing, setting, and unsetting variables (Web Database Applications)
array elements, using on: 4.6.3. Discussion (PHP Cookbook)
variables brought into local scope with global keyword: 6.12.3. Discussion (PHP Cookbook)
unset( ) function: 2.3.4. Garbage Collection (Programming PHP)
UnsetEnv directive (Apache): 19.14. mod_env (Webmaster in a Nutshell)
unshift( ): 23. Core JavaScript Reference (JavaScript), Array objects: 12.5. Core Objects (Dynamic HTML)
unshift( ) (Array object): 11.4. JavaScript API Reference (Webmaster in a Nutshell)
unshift( ) method: 9.2.8. unshift( ) and shift( ) (JavaScript)
untrusted scripts
configuring security on: 21.4. Security Zones and Signed Scripts (JavaScript)
JavaScript programs, Java classes and: 22.3. Using Java Classes Directly (JavaScript)
untyped variables: 4.1. Variable Typing (JavaScript), LiveConnect data conversion: 22.5. LiveConnect Data Conversion (JavaScript)
unwatch( ), Global objects: 12.5. Core Objects (Dynamic HTML)
unzip.php program: 18.27. Program: Unzip (PHP Cookbook)
update( ): 7.3.2.2. Prefilling <form> data with JavaScript calculations (Web Database Applications)
UPDATE command (SQL): 10.7.2. Solution (PHP Cookbook)
finding number of rows returned by a query: 10.9.2. Solution (PHP Cookbook)
unique ID database, querying: 10.13.1. Problem (PHP Cookbook)
Update Quantities button: 11.2.1. Viewing the Shopping Cart (Web Database Applications)
UPDATE statement: 3.5.3. Updating Data (Web Database Applications)
limitations of: 3.10.4. Limitations of MySQL (Web Database Applications)
privileges and: 3.10.3.1. Permissions (Web Database Applications)
WHERE clause and: 3.6.2. WHERE Clauses (Web Database Applications)
updateDiscount( ): 6.2.3. Locking Tables in Web Database Applications (Web Database Applications)
updateInterval property, screen object: 9.6. Alphabetical Object Reference (Dynamic HTML)
updatePassword( ): 9.3. Authentication Using a Database (Web Database Applications)
updates: 6.1. Database Inserts, Updates, and Deletes (Web Database Applications)
(see also database updates)
update_time( ): 20.8.3. Discussion (PHP Cookbook)
20.9.3. Discussion (PHP Cookbook)
updating data: 3.5.3. Updating Data (Web Database Applications)
updating loop variables: 6.8. for (JavaScript)
upgrade command (pear): 21.7.3. Discussion (PHP Cookbook)
upgrading PEAR packages: 21.7.1. Problem (PHP Cookbook)
uploaded files
information about: 7.2. Variables (Programming PHP)
moving: A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
uploaded files, processing: 9.7.1. Problem (PHP Cookbook)
uploading files: 7.4.8. File Uploads (Programming PHP)
security and: 12.3. File Uploads (Programming PHP)
distrusting browser-supplied filenames: 12.3.1. Distrust Browser-Supplied Filenames (Programming PHP)
upper( ): 3.9.1.1. String-comparison operators and functions (Web Database Applications)
uppercase (see case)
uppercase( ): 17.2.3. Modifying a Document (JavaScript)
uri( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
URIError object: 23. Core JavaScript Reference (JavaScript)
URIs
decodeURI( ) function: 23. Core JavaScript Reference (JavaScript)
decodeURIComponent( ) function: 23. Core JavaScript Reference (JavaScript)
encodeURI( ) function: 23. Core JavaScript Reference (JavaScript)
encodeURIComponent( ) function: 23. Core JavaScript Reference (JavaScript)
URIs (universal resource identifiers): 1.2. Uniform Resource Locators (URLs) (Webmaster in a Nutshell)
url( ) (CGI.pm): 14. The CGI.pm Module (Webmaster in a Nutshell)
URL fopen wrapper: 18.4.3. Discussion (PHP Cookbook)
url property, meta objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
URL rewrite feature: 8.3.6.1. Encoding the session ID as a GET variable (Web Database Applications)
URL rewriting, storing state information: 7.6. Maintaining State (Programming PHP)
urldecode( ) function: 4.5.2.2. Query-string encoding (Programming PHP)
urlencode( ): 5.8.3. Discussion (PHP Cookbook)
8.9.2. Solution (PHP Cookbook)
4.5.2.2. Query-string encoding (Programming PHP)
9.6. Dynamically Generated Buttons (Programming PHP)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
URLs: B.2.2. Uniform Resource Locators (Web Database Applications)
about:, security restrictions on displaying: 21.2. Restricted Features (JavaScript)
Apache server: 1.3.1.1. The Apache HTTP server, Version 1.3 (Web Database Applications)
A.1.3. Installing Apache (Web Database Applications)
ApacheSSL: A.3. Installing Apache to Use SSL (Web Database Applications)
currently displayed document: 13.9. The Location Object (JavaScript)
decomposing (parse_url( ) function): 4.7.4.4. Decomposing URLs (Programming PHP)
embedded: 5.2.2. Adding Links to Results (Web Database Applications)
caution with: 5.2.2. Adding Links to Results (Web Database Applications)
passing data with: 5.1.3. Passing Data with Embedded Links (Web Database Applications)
embedding authentication information in: 18.4.3. Discussion (PHP Cookbook)
encoding: 8.9.2. Solution (PHP Cookbook)
encoding/decoding: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
encoding/decoding strings as: 4.5.2. URLs (Programming PHP), button strings: 9.6. Dynamically Generated Buttons (Programming PHP)
extracting from HTML page: 4.10.13.1. Matching (Programming PHP)
FTP protocol: 17.7.3. Discussion (PHP Cookbook)
functions for: A.1. PHP Functions by Category (Programming PHP)
GET and POST requests: 7.4.1. Methods (Programming PHP)
https://: 7.7. SSL (Programming PHP)
javascript: pseudoprotocol specifier
embedding JavaScript in HTML: 12.2. Embedding JavaScript in HTML (JavaScript)
executing code in: 12.3.4. JavaScript URLs (JavaScript)
including JavaScript on client side: 12.2.4. JavaScript in URLs (JavaScript)
Location object and: 24. Client-Side JavaScript Reference (JavaScript)
mod_ssl: A.3. Installing Apache to Use SSL (Web Database Applications)
MySQL: A.1.1. Installing MySQL (Web Database Applications)
opening remotely with PHP functions, security risks of: 12.2. Filenames (Programming PHP)
OpenSSL: A.3.1. Installing OpenSSL (Web Database Applications), documentation for: A.3.3. Creating a Key and Certificate (Web Database Applications)
parse_url( ) function: A.2c. Alphabetical Listing of PHP Functions (j-q) (Programming PHP)
passing data with: 5.1.1. Passing Data with URLs (Web Database Applications)
password-protected: 14.10.2. Solution (PHP Cookbook)
PHP: A.1.4. Installing PHP (Web Database Applications), manual for: A.4. Installation Resources (Web Database Applications)
PHP Triad for Windows: A.4. Installation Resources (Web Database Applications)
PostgreSQL: 1.4.3. The MySQL DBMS (Web Database Applications)
retrieving remote: 11.1. Introduction (PHP Cookbook)
cookies, fetching with: 11.4.1. Problem (PHP Cookbook)
GET method, fetching with: 11.2.1. Problem (PHP Cookbook)
headers, fetching with: 11.5.1. Problem (PHP Cookbook)
HTTPS: 11.6.1. Problem (PHP Cookbook)
POST method, fetching with: 11.3.1. Problem (PHP Cookbook)
security restrictions on form submissions to: 21.2. Restricted Features (JavaScript)
session IDS, passing via: 7.6.2.2. Alternatives to cookies (Programming PHP)
Smarty PHP template engine: 13.2. Templates (Web Database Applications)
this book: A.2. Installing the Winestore Examples (Web Database Applications)
winestore application: 1.5.1. What Is Hugh and Dave's Online Wines? (Web Database Applications)
XTemplate class library: 13.2. Templates (Web Database Applications)
URLs (uniform resource locators): 1.2. Uniform Resource Locators (URLs) (Webmaster in a Nutshell)
ampersand (&) in: 12.1.1. Transferring the Form Data (Webmaster in a Nutshell)
cookies for: 17.4. Cookies (Webmaster in a Nutshell)
encoding for forms: 6.1. The <form> Tag (Webmaster in a Nutshell)
12.2. URL Encoding (Webmaster in a Nutshell)
extra path information: 12.3. Extra Path Information (Webmaster in a Nutshell)
JavaScript URLs: 2.4.5. JavaScript URLs (Webmaster in a Nutshell)
short pathnames speed downloads: 20.2.2. Short Pathnames (Webmaster in a Nutshell)
as style property values: 9.3.1.4. URL property values (Webmaster in a Nutshell)
URLUnencoded property, document objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
urn attribute, a elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
urn property, a objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
urns( ) method
all objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
anchors objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
areas objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
cells objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
childNodes objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
children objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
forms objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
images objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
links objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
NodeList objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
options objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
rows objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
scripts objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
tBodies objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
US-ASCII (see ASCII)
U.S. Naval Observatory, time zone information: 3.12.3. Discussion (PHP Cookbook)
UseCanonicalName directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
usemap attribute
img elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
input elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
<img> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<input> tag: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
<object> tags: 3.2. HTML Tag and Attribute Descriptions (Webmaster in a Nutshell)
object elements: 8.3. Alphabetical Tag Reference (Dynamic HTML)
useMap property: 25. W3C DOM Reference (JavaScript)
img objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
input (type="image") objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
object objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
use_named_parameters( ) (CGI.pm): 14. The CGI.pm Module (Webmaster in a Nutshell)
Usenet newsgroups
posting messages to: 17.5.1. Problem (PHP Cookbook)
reading messages from: 17.6.1. Problem (PHP Cookbook)
user
authentication, Apache server: 18.1.5. Password and Group Files (Webmaster in a Nutshell)
identification: 18. Apache Configuration (Webmaster in a Nutshell)
User-Agent field (HTTP): 20.1.5. Compatibility Through Server-Side Scripts (JavaScript)
User-Agent header: 11.5.3. Discussion (PHP Cookbook)
User-Agent headers: 7.1. HTTP Basics (Programming PHP)
user agents: 1.2. The Client Tier (Web Database Applications)
user-defined functions: 3.1. Calling a Function (Programming PHP)
sorting arrays with: A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
user-defined order, sorting arrays in: 5.8.1. Sorting One Array at a Time (Programming PHP)
5.8.1. Sorting One Array at a Time (Programming PHP)
User directive (Apache): 18. Apache Configuration (Webmaster in a Nutshell)
user-driven querying: 1.5.2.1. Database-driven querying (Web Database Applications)
(see also querying, user-driven)
USER environment variable: 14.12.3. Discussion (PHP Cookbook)
user input: 5.1. User Input (Web Database Applications)
querying with: 5.2. Querying with User Input (Web Database Applications)
security and: 5.1.4. Security and User Data (Web Database Applications)
user( ) (Perl): 15.8. The Perl API (Webmaster in a Nutshell)
user permissions: 19.1. Introduction (PHP Cookbook)
19.3.3. Discussion (PHP Cookbook)
user-related events: 2.4.1. Event Handler Attributes (Webmaster in a Nutshell)
user tracking: 1.5.2.5. User tracking and session management (Web Database Applications)
(see also session management)
user_agent( ) (CGI.pm): 14. The CGI.pm Module (Webmaster in a Nutshell)
USER_AGENT environment variable: 2.6.2. Page Branching (Dynamic HTML)
2.6.2. Page Branching (Dynamic HTML)
userAgent property: 13.6. The Navigator Object (JavaScript)
24. Client-Side JavaScript Reference (JavaScript)
navigator object: 9.6. Alphabetical Object Reference (Dynamic HTML)
UserDir directive (Apache): 19.36. mod_userdir (Webmaster in a Nutshell)
user_error( ): A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
userLanguage property: 24. Client-Side JavaScript Reference (JavaScript), navigator object: 9.6. Alphabetical Object Reference (Dynamic HTML)
user_name( ) (CGI.pm): 14. The CGI.pm Module (Webmaster in a Nutshell)
usernames
anonymous: 17.7.3. Discussion (PHP Cookbook)
authenticating: 7.5.4. Authentication (Programming PHP)
current, for PHP script executing: A.2b. Alphabetical Listing of PHP Functions (f-i) (Programming PHP)
DBM database of: 10.3.3. Discussion (PHP Cookbook)
excluding from passwords: 14.6.3. Discussion (PHP Cookbook)
PEAR DB backends: 10.4.3. Discussion (PHP Cookbook)
security problems with: 12.2. Filenames (Programming PHP)
userProfile objects: 9.6. Alphabetical Object Reference (Dynamic HTML)
userProfile property, navigator object: 9.6. Alphabetical Object Reference (Dynamic HTML)
users
abusive, cutting off: 8.28. Program: Abusive User Checker (PHP Cookbook)
adding/deleting: 3.10.3. Adding and Deleting Users (Web Database Applications)
authenticating: 10.3. Authenticating Users (Web Database Applications)
accessing credentials for: 9.2.1. Access to User Credentials from PHP (Web Database Applications)
customer authentication and: 9.4.3. Case Study: Customer Authentication (Web Database Applications)
authorizing access for: 9.2.3. Authorizing User Access (Web Database Applications)
customer management and: 10. Winestore Customer Management (Web Database Applications)
element comparisons defined by: 2.5.5.4. Sorting with user-defined element comparison (Web Database Applications)
functions defined by: 2.10. User-Defined Functions (Web Database Applications)
login requirement for: 9.4.2.1. Forcing users to a login page (Web Database Applications)
multiple, issues affecting: 6.2. Issues in Writing Data to Databases (Web Database Applications)
reload problem and: 6.1.1. Reloading Data and Relocation Techniques (Web Database Applications)
responding to actions by: 20.8.1. Problem (PHP Cookbook)
session handlers defined by: D.2.2. Building User-Defined Session Handlers (Web Database Applications)
which web browser used by: 7.3.2.4. Which browser is the user using? (Web Database Applications)
users, interacting with: 1.6.4. Interact with the User (JavaScript)
usleep( ): A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
usort( ): 4.18.2. Solution (PHP Cookbook)
4.18.3. Discussion (PHP Cookbook)
6.13.3. Discussion (PHP Cookbook)
5.8.1. Sorting One Array at a Time (Programming PHP)
A.3d. Alphabetical Listing of PHP Functions (r-z) (Programming PHP)
anonymous function, using with: 3.7. Anonymous Functions (Programming PHP)
comparing strings and: 2.6.3. Comparing Strings (Web Database Applications)
sorting arrays and: 2.5.5.4. Sorting with user-defined element comparison (Web Database Applications)
2.5.5.4. Sorting with user-defined element comparison (Web Database Applications)
/usr/bin/lastcommand: 18.23.3. Discussion (PHP Cookbook)
UTC( ), Date objects: 12.5. Core Objects (Dynamic HTML)
UTC (Coordinated Universal Time): 3.1. Introduction (PHP Cookbook)
converting to epoch timestamp: 3.3.2. Solution (PHP Cookbook)
gmdate( ) and gmstrftime( ) functions: 3.5.3. Discussion (PHP Cookbook)
offsets between time zones: 3.12.3. Discussion (PHP Cookbook)
time zone offsets from, DST calculation and: 3.13.3. Discussion (PHP Cookbook)
UTC( ) (Date): 23. Core JavaScript Reference (JavaScript)
UTC( ) (Date object): 11.4. JavaScript API Reference (Webmaster in a Nutshell)
UTF-8 character encoding: 11.3.6.1. Character encoding (Programming PHP), printing high-bit ASCII characters: 9.5.2. TrueType Fonts (Programming PHP)
UTF-8 encoding (Unicode): 16.12.3. Discussion (PHP Cookbook)
utf8_decode( ): 16.12.2. Solution (PHP Cookbook)
utf8_encode( ): 16.12.2. Solution (PHP Cookbook)

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