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: E

each( ) function: 5.7.2. The Iterator Functions

A.2a. Alphabetical Listing of PHP Functions (a-e)

echo( ) function: A.2a. Alphabetical Listing of PHP Functions (a-e)

echo command: 1.4. A Walk Through PHP

4.2.1. echo

efree( ) function: 14.5. Memory Management

EG (Executor Globals): 14.10.2. Executor Globals (EG)

EGPCS (environment, GET, POST, cookie, and server) variables: 7.2. Variables

element handlers: 11.3.1. Element Handlers

elements, array

checking whether element exists: 5.5.4. Checking Whether an Element Exists

filtering from: 5.9.4. Filtering Elements from an Array

getting number of: 5.3.3. Getting the Size of an Array

idenfitying: 5.2. Identifying Elements of an Array

removing and inserting: 5.5.5. Removing and Inserting Elements in an Array

trversing: 5.7. Traversing Arrays

else clause: 2.5.1. if

email

functions for: A.1. PHP Functions by Category

IMAP, POP, and NNTP extension: B.1. Optional Extensions Listing

vpopmail extension: B.1. Optional Extensions Listing

emalloc( ) function: 14.5. Memory Management

embedding

fonts in PDF files: 10.3.4. Fonts

PHP in web pages: 2.7. Embedding PHP in Web Pages

ASP tags, using: 2.7.3. ASP Style

echoing content directly: 2.7.5. Echoing Content Directly

script style: 2.7.4. Script Style

SGML tags, using: 2.7.2. SGML Style

XML-compliant tags, using: 2.7.1. XML Style

empty( ) function: A.2a. Alphabetical Listing of PHP Functions (a-e)

empty arrays, constructing: 5.3. Storing Data in Arrays

empty expressions: 2.5.4. for

encapsulation: 6.1. Terminology

encoding

SQL: 4.5.3. SQL

strings according to URL conventions: 4.5.2.1. RFC 1738 encoding and decoding

strings, C language: 4.5.4. C-String Encoding

encryption (mcrypt extension): B.1. Optional Extensions Listing

end( ) function: 5.7.2. The Iterator Functions

A.2a. Alphabetical Listing of PHP Functions (a-e)

end element handler: 11.3.1. Element Handlers

end-of-file handling: A.2b. Alphabetical Listing of PHP Functions (f-i)

on Unix and Windows: 15.2.8. End-of-File Handling

end-of-line handling, on Unix and Windows: 15.2.7. End-of-Line Handling

endif keyword: 2.5.1. if

entities

HTML

translation tables for: 4.5.1.2. Entity-quoting only HTML syntax characters

A.2b. Alphabetical Listing of PHP Functions (f-i)

HTML, converting string characters into: 4.5.1.1. Entity-quoting all special characters

XML: 11.3.4. Entity Handlers

external: 11.3.4.1. External entities

environment variables: 15.2.3. The Environment

A.2b. Alphabetical Listing of PHP Functions (f-i)

$HTTP_ENV_VARS array: 7.2. Variables

server: 7.3. Server Information

setting: A.2c. Alphabetical Listing of PHP Functions (j-q)

variables_order directive in php.ini: 12.1.2. Set variables_order

equality (==) operator: 2.4.8. Comparison Operators

equivalence class: 4.9.1. Character Classes

ereg( ) function: 4.9.3.1. Matching

A.2a. Alphabetical Listing of PHP Functions (a-e)

eregi( ) function: 4.9.3.1. Matching

A.2a. Alphabetical Listing of PHP Functions (a-e)

eregi_replace( ) function: 4.9.3.2. Replacing

ereg_replace( ) function: 4.9.3.2. Replacing

A.2a. Alphabetical Listing of PHP Functions (a-e)

A.2a. Alphabetical Listing of PHP Functions (a-e)

error handling: 13.4. Error Handling

defining error handlers: 13.4.4. Defining Error Handlers

formating and printing errors (example): 13.4.4. Defining Error Handlers

logging in: 13.4.4.1. Logging in error handlers

output buffering: 13.4.4.2. Output buffering in error handlers

logging error messages to system log: A.3d. Alphabetical Listing of PHP Functions (r-z)

reporting errors: 13.4.1. Error Reporting

reverting to prior handler: A.3d. Alphabetical Listing of PHP Functions (r-z)

setting error handler: A.3d. Alphabetical Listing of PHP Functions (r-z)

suppressing errors: 13.4.2. Error Suppression

triggering errors: 13.4.3. Triggering Errors

A.3d. Alphabetical Listing of PHP Functions (r-z)

error suppression (@) operator: 2.4.13. Miscellaneous Operators

error_log( ) function: 13.4.4.1. Logging in error handlers

A.2a. Alphabetical Listing of PHP Functions (a-e)

logging session errors: 7.6.2.3. Custom storage

error_reporting( ) function: 13.4.1. Error Reporting

A.2a. Alphabetical Listing of PHP Functions (a-e)

errors: 13.4.1. Error Reporting

checking databasees for: 8.3.3. Error Checking

functions for: A.1. PHP Functions by Category

warnings about, disabling public visibility of: 12.1.1. Initialize Variables

XML: 11.3.8. Errors

escape sequences

in double-quoted strings: 2.2.3. Strings

4.1.3. Double-Quoted Strings

in single-quoted strings: 4.1.2. Single-Quoted Strings

removing from strings: A.3d. Alphabetical Listing of PHP Functions (r-z)

escapeshellarg( ) function: 12.7. Shell Commands

A.2a. Alphabetical Listing of PHP Functions (a-e)

escapeshellcmd( ) function: A.2a. Alphabetical Listing of PHP Functions (a-e)

escaping special characters in shell commands: 12.7. Shell Commands

eval( ) function, security risks of: 12.6. PHP Code

event-based XML parsing: 11.3. Parsing XML

Excel

accessing data with ODBC PHP: 15.4.2. Accessing Excel Data

configuring DSN with ODBC PHP: 15.4.1. Configuring a DSN

limitations as database: 15.4.3. Limitations of Excel as a Database

reading and writing files with PHP COM: 15.3.5. Reading and Writing Excel Files

Exchange Image File Format (EXIF) extension: 14.4.1. No External Dependencies

Exchangeable Image File Format (EXIF) extension: B.1. Optional Extensions Listing

exec( ) function: A.2a. Alphabetical Listing of PHP Functions (a-e)

security risks with shell commands: 12.7. Shell Commands

execute( ) method: 8.4.2. Prepare/Execute

executeMultiple( ) method: 8.4.2. Prepare/Execute

execution (`) operator: 2.4.13. Miscellaneous Operators

execution time, optimizing: 13.5.3. Optimizing Execution Time

Executor Globals (EG): 14.10.2. Executor Globals (EG)

EXIF extension: 14.4.1. No External Dependencies

B.1. Optional Extensions Listing

exit statements: 2.5.7. exit and return

exp( ) function: A.2a. Alphabetical Listing of PHP Functions (a-e)

expiration, PHP session ID cookies: 7.6.2.1. Session basics

Expires header: 7.5.3. Expiration

explode( ) function: 4.7.3.1. Exploding and imploding

A.2a. Alphabetical Listing of PHP Functions (a-e)

expressions: 2.4. Expressions and Operators

autoincrementing and autodecrementing: 2.4.7. Autoincrement and Autodecrement Operators

empty: 2.5.4. for

in for loop: 2.5.4. for

ternary conditional operator, using on: 2.5.1. if

extends keyword: 6.4.3. Inheritance

Extensible Markup Language (see XML)

Extensible Stylesheet Language (see XSL)

Extensible Stylesheet Language Transformations (see XSLT)

extension_loaded( ) function: A.2a. Alphabetical Listing of PHP Functions (a-e)

extensions: 13.1. Code Libraries

B. Extension Overview

Apache: B.1. Optional Extensions Listing

aspell: B.1. Optional Extensions Listing

BCMath: B.1. Optional Extensions Listing

bzip2 compression: B.1. Optional Extensions Listing

calendar: B.1. Optional Extensions Listing

CCVS: B.1. Optional Extensions Listing

clibpdf: B.1. Optional Extensions Listing

close or shutdown function, triggering resource cleanup: 2.2.7. Resources

COM: B.1. Optional Extensions Listing

ctype library: B.1. Optional Extensions Listing

CURL: B.1. Optional Extensions Listing

Cybercash: B.1. Optional Extensions Listing

CyberMUT: B.1. Optional Extensions Listing

dBase: B.1. Optional Extensions Listing

DBM: B.1. Optional Extensions Listing

dbx: B.1. Optional Extensions Listing

DOM XML: B.1. Optional Extensions Listing

dynamically loading: A.2a. Alphabetical Listing of PHP Functions (a-e)

EXIF (Exchange Image File Format): 14.4.1. No External Dependencies

EXIF (Exchangeable Image File Format): B.1. Optional Extensions Listing

FDF (Forms Data Format): B.1. Optional Extensions Listing

filePro: B.1. Optional Extensions Listing

FriBiDi: B.1. Optional Extensions Listing

FTP: B.1. Optional Extensions Listing

functions provided by, getting: A.2b. Alphabetical Listing of PHP Functions (f-i)

GD graphics library: 9.2. The GD Extension

gettext: B.1. Optional Extensions Listing

GNU MP: B.1. Optional Extensions Listing

iconv: B.1. Optional Extensions Listing

IMAP, POP, and NNTP: B.1. Optional Extensions Listing

Imlib2: 9.2. The GD Extension

Informix: B.1. Optional Extensions Listing

Ingres II databases: B.1. Optional Extensions Listing

InterBase: B.1. Optional Extensions Listing

IRC gateway: B.1. Optional Extensions Listing

Java: B.1. Optional Extensions Listing

Kerberos: B.1. Optional Extensions Listing

loaded, getting names of: A.2b. Alphabetical Listing of PHP Functions (f-i)

mhash: B.1. Optional Extensions Listing

Microsoft SQL Server: B.1. Optional Extensions Listing

Ming library (Flash movies): B.1. Optional Extensions Listing

mnoGoSearch: B.1. Optional Extensions Listing

MySQL: B.1. Optional Extensions Listing

ODBC: B.1. Optional Extensions Listing

Oracle: B.1. Optional Extensions Listing

Ovrimos SQL: B.1. Optional Extensions Listing

PDF: 10.1. PDF Extensions

checking whether installed: 13.3.1. Output Buffering

PDFlib: B.1. Optional Extensions Listing

PEAR DB: 8.4. Advanced Database Techniques

8.4.7. Transactions

accessing databases with: 8.1. Using PHP to Access a Database

8.3. PEAR DB Basics

class and object methods: 8.3. PEAR DB Basics

database performance and: 8.1. Using PHP to Access a Database

getting data from query results: 8.3.5. Fetching Results from a Query

for PHP on Windows: 15.1.3. Adding Extensions to the Base Distribution

platform-specific: 15.2.10. Common Platform-Specific Extensions

PostgreSQL: B.1. Optional Extensions Listing

pspell: B.1. Optional Extensions Listing

Readline: B.1. Optional Extensions Listing

Recode: B.1. Optional Extensions Listing

Satellite CORBA Client: B.1. Optional Extensions Listing

shmop: B.1. Optional Extensions Listing

SNMP: B.1. Optional Extensions Listing

sockets: B.1. Optional Extensions Listing

SWF (Shockwave Flash): B.1. Optional Extensions Listing

Sybase: B.1. Optional Extensions Listing

System V Semaphores and Shared memory: B.1. Optional Extensions Listing

vpopmail: B.1. Optional Extensions Listing

WDDX: B.1. Optional Extensions Listing

writing in C for PHP: 14. Extending PHP

architectural overview: 14.1. Architectural Overview

command-line PHP: 14.3.1. Command-Line PHP

compiling: 14.3.5. Compiling Your Extension

config.m4 file: 14.4. The config.m4 File

creating variables: 14.11. Creating Variables

developers mailing list: 14.14. Where to Go from Here

external dependencies: 14.4.2. External Dependencies

function return values: 14.8. Returning Values

global variables: 14.10. Global Variables

INI entries: 14.12. Extension INI Entries

memory management functions: 14.5. Memory Management

parameter handling: 14.7. Parameter Handling

PHP source code, downloading latest: 14.2.1. The PHP Source

planning: 14.3.2. Planning Your Extension

pval/zval data type: 14.6. The pval/zval Data Type

references: 14.9. References

resources: 14.13. Resources

skeleton extension, creating and fleshing out: 14.3.3. Creating a Skeleton Extension

software tools: 14.2.2. Software Tools

testing: 14.3.6. Testing Your Extension

XML parser: B.1. Optional Extensions Listing

xmlrpc: 11.5. Web Services

documentation, web site: 11.5.2. Clients

XSLT: 11.4. Transforming XML with XSLT

B.1. Optional Extensions Listing

YAZ: B.1. Optional Extensions Listing

YP/NIS: B.1. Optional Extensions Listing

Zend: 14.1. Architectural Overview

ZIP files: B.1. Optional Extensions Listing

external XML entities: 11.3.4. Entity Handlers

parsing: 11.3.4.1. External entities

extract( ) function: 5.6. Converting Between Arrays and Variables

A.2a. Alphabetical Listing of PHP Functions (a-e)

extracting multiple values from arrays: 5.5. Extracting Multiple Values

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