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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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