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Index: A

\A (beginning of string) anchor, Perl regular expressions: 4.10.4. Anchors

ab (Apache benchmarking) utility: 13.5.1. Benchmarking

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

accented characters, converting to HTML entities: 4.5.1.1. Entity-quoting all special characters

Accept headers: 7.1. HTTP Basics

Access, PHP ODBC support for: 15.4.4. Working with Access

accessor macros for zval fields: 14.6.4. Accessor Macros

AC_MSG_CHECKING( ) macro: 14.4.2. External Dependencies

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

Active Server Pages (ASP), embedding PHP with ASP tags: 2.7.3. ASP Style

active_symbol_table global variable: 14.10.2. Executor Globals (EG)

addcslashes( ) function: 4.5.4. C-String Encoding

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

addition (+) operator: 2.4.5. Arithmetic Operators

addition assignment (+=) operator: 2.4.12.2. Assignment with operation

addslashes( ) function: 4.5.3. SQL

7.4.3. Automatic Quoting of Parameters
A.2a. Alphabetical Listing of PHP Functions (a-e)

administrative files, managing with YP/NIS extension: B.1. Optional Extensions Listing

administrators (database), backend page for: 8.5.3. Administrator's Page

affectedRows( ) method: 8.4.4. Details About a Query Response

AFM (Adobe Font Metric): 10.3.5. Embedding Fonts

aliases for EGPCS variables: 7.2. Variables

alignment, PDF text within box: 10.3.2. Text Functions

allocating color (see color)

alpha channel: 9.3. Basic Graphics Concepts

enabling/disabling alpha blending: 9.8.1. Using the Alpha Channel
ImageColorResolveAlpha( ) function: 9.8.3. True Color Color Indexes
in GD: 9.8. Color Handling
PNG images in PDF files: 10.4.1. Images

alternatives in regular expressions: 4.8.3. Alternatives

anchors

in Perl-style regular expressions: 4.10.4. Anchors
in POSIX regular expressions: 4.9.2. Anchors

AND operator

& (bitwise AND): 2.4.9. Bitwise Operators
&= (bitwise AND assignment) operator: 2.4.12.2. Assignment with operation

annotations, PDF files: 10.6.1. Note Annotations

anonymous functions: 3.7. Anonymous Functions

ANSI-compliant C compiler: 1.3. Installing PHP

antialiasing

in GD palette entries: 9.8. Color Handling
in images: 9.3. Basic Graphics Concepts
TrueType fonts: 9.6. Dynamically Generated Buttons
turning off: 9.5.2. TrueType Fonts

Apache

benchmarking utility: 13.5.1. Benchmarking
library (PHP extension): B.1. Optional Extensions Listing

Apache web servers: 1.3. Installing PHP

configuring: 1.3. Installing PHP

for cached buttons: 9.6.2. A Faster Cache
PHP for: 15.1.2.4. Manually configuring Apache
to place session files in your directory: 12.4.2. Session Files

download site: 15.1.2.2. Using the PHP installer to automatically configure PHP

downloading source distribution: 1.3. Installing PHP

PHP functions for: 15.2.5. Server-Specific Functions

for Windows: 15.1.2. Configuring PHP with a Web Server

applications

code libraries: 13.1. Code Libraries

database (example): 8.5. Sample Application

adding a business: 8.5.4. Adding a Business
administrator's page: 8.5.3. Administrator's Page
database connection: 8.5.2. Database Connection
database information, displaying: 8.5.5. Displaying the Database
database tables: 8.5.1. Database Tables

error handling: 13.4. Error Handling

defining error handlers: 13.4.4. Defining Error Handlers
reporting errors: 13.4.1. Error Reporting
suppressing errors: 13.4.2. Error Suppression
triggering errors: 13.4.3. Triggering Errors

output, handling: 13.3. Handling Output

buffering output: 13.3.1. Output Buffering
changing references in document: 13.3.1. Output Buffering
compressing output: 13.3.2. Compressing Output

performance tuning: 13.5. Performance Tuning

benchmarking: 13.5.1. Benchmarking
optimizing execution time: 13.5.3. Optimizing Execution Time
optimizing memory requirements: 13.5.4. Optimizing Memory Requirements
profiling: 13.5.2. Profiling
reverse proxies and replication: 13.5.5. Reverse Proxies and Replication

templating systems: 13.2. Templating Systems

WDDX standard for sharing information: B.1. Optional Extensions Listing

arcs, drawing: 9.4.5. Basic Drawing Functions

10.4.2. Graphics

argument list (variable), processing: 14.7.3. An Example with Variable Argument List

arithmetic operators: 2.4.5. Arithmetic Operators

implicit casting, rules for: 2.4.4. Implicit Casting

array( ) function: 2.2.5. Arrays

5.3. Storing Data in Arrays
A.2a. Alphabetical Listing of PHP Functions (a-e)
casting operator: 2.4.11. Casting Operators

array_chunk( ) function: 5.5.2. Splitting an Array into Chunks

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

array_diff( ) function: 5.9.3. Calculating the Difference Between Two Arrays

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

array_filter( ) function: 5.9.4. Filtering Elements from an Array

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

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

array_intersect( ) function: 5.10.1. Sets

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

array_key_exists( ) function: 5.5.4. Checking Whether an Element Exists

array_keys( ) function: 5.5.3. Keys and Values

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

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

array_merge( ) function: 5.9.2. Merging Two Arrays

A.2a. Alphabetical Listing of PHP Functions (a-e)
calculating union of two sets: 5.10.1. Sets

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

array_multisort( ) function: 5.8.3. Sorting Multiple Arrays at Once

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

array_pad( ) function: 5.3.4. Padding an Array

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

array_pop( ) function: 5.10.2. Stacks

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

array_push( ) function: 5.10.2. Stacks

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

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

array_reduce( ) function: 5.7.5. Reducing an Array

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

array_reverse( ) function: 5.8.4. Reversing Arrays

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

arrays: 2.2.5. Arrays

5. Arrays

casting to/from objects: 2.4.11. Casting Operators

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

color index for images: 9.8.2. Identifying Colors

converting to/from variables: 5.6. Converting Between Arrays and Variables

displaying with print_r( ): 4.2.4. print_r( ) and var_dump( )

extension functions returning: 14.8.2. Arrays

extracting multiple values from: 5.5. Extracting Multiple Values

form values: 1.4.2. Forms

functions for: A.1. PHP Functions by Category

global variables, EGPCS: 7.2. Variables

$GLOBALS: 2.3.3.2. Global scope

identifying elements of: 5.2. Identifying Elements of an Array

implementing sets with: 5.10.1. Sets

implementing stacks with: 5.10.2. Stacks

indexed vs. associative: 5.1. Indexed Versus Associative Arrays

iterating over elements with foreach loop: 2.5.5. foreach

keys and values, returning: 5.5.3. Keys and Values

modifying or applying operation to all elements: 5.9. Acting on Entire Arrays

multidimensional: 5.4. Multidimensional Arrays

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

resetting internal pointer to first element: A.3d. Alphabetical Listing of PHP Functions (r-z)

slicing: 5.5.1. Slicing an Array

sorting: 2.2.5. Arrays

5.8. Sorting

with anonymous functions: 3.7. Anonymous Functions

in ascending order: A.3d. Alphabetical Listing of PHP Functions (r-z)

in natural order: 5.8.2. Natural-Order Sorting

in random order: 5.8.5. Randomizing Order

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

in user-defined ordere: 5.8.1. Sorting One Array at a Time

multiple arrays at once: 5.8.3. Sorting Multiple Arrays at Once

PHP functions for: 5.8.1. Sorting One Array at a Time

reversing element order: 5.8.4. Reversing Arrays

with user defined-function: A.3d. Alphabetical Listing of PHP Functions (r-z)

with user-defined functions, by keys: A.3d. Alphabetical Listing of PHP Functions (r-z)

splitting into chunks: 5.5.2. Splitting an Array into Chunks

storing data in: 5.3. Storing Data in Arrays

adding values to end of array: 5.3.1. Adding Values to the End of an Array
assigning range of values: 5.3.2. Assigning a Range of Values
getting array size: 5.3.3. Getting the Size of an Array
padding: 5.3.4. Padding an Array

symbol tables: 2.3.4. Garbage Collection

traversing: 5.7. Traversing Arrays

calling function for each element: 5.7.4. Calling a Function for Each Array Element
iterator functions: 5.7.2. The Iterator Functions
reducing an array: 5.7.5. Reducing an Array
searching for values: 5.7.6. Searching for Values
with for loop: 5.7.3. Using a for Loop

array_search( ) function: 5.7.6. Searching for Values

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

array_shift( ) function: 5.10.2. Stacks

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

array_slice( ) function: 5.5.1. Slicing an Array

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

array_splice( ) function: 5.5.5. Removing and Inserting Elements in an Array

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

array_sum( ) function: 5.9.1. Calculating the Sum of an Array

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

array_unique( ) function: 5.10.1. Sets

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

array_unshift( ) function: 5.10.2. Stacks

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

array_values( ) function: 5.5.3. Keys and Values

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

array_walk( ) function: 5.7.4. Calling a Function for Each Array Element

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

arsort( ) function: 5.8.1. Sorting One Array at a Time

5.8.1. Sorting One Array at a Time
A.2a. Alphabetical Listing of PHP Functions (a-e)

ascending order, sorting arrays in: 5.8.1. Sorting One Array at a Time

ASCII

representation of an image: 9.8.4. Text Representation of an Image
US-ASCII character encoding: 11.3.6.1. Character encoding
UTF-8 encoding for printing high-bit characters: 9.5.2. TrueType Fonts

ASCII order

natural order in strings vs.: 4.6.1. Exact Comparisons
value of first character in string: A.2c. Alphabetical Listing of PHP Functions (j-q)
values for characters in string searches: 4.7.4. String-Searching Functions

asin( ) function: 3.1. Calling a Function

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

asort( ) function: 5.8.1. Sorting One Array at a Time

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

ASP (Active Server Pages), embedding PHP with ASP tags: 2.7.3. ASP Style

aspell PHP library: B.1. Optional Extensions Listing

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

assertion (+), arithmetic operator: 2.4.5. Arithmetic Operators

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

assignment, initializing arrays with: 5.3. Storing Data in Arrays

assignment operators: 2.4.12. Assignment Operators

= (basic assignment) operator: 2.4.12.1. Assignment
assignment with operation: 2.4.12.2. Assignment with operation

associative arrays: 5.1. Indexed Versus Associative Arrays

5.3. Storing Data in Arrays
array_splice( ), using on: 5.5.5. Removing and Inserting Elements in an Array
calculating sum of values: 5.9.1. Calculating the Sum of an Array
creating with compact( ): 5.6.2. Creating an Array from Variables
padding: 5.3.4. Padding an Array
rows in database query results: 8.3.5.3. Inside a row array
XML-RPC call, attributes of: 11.5.2. Clients

associativity, operator: 2.4. Expressions and Operators

2.4.3. Operator Associativity

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

attributes

text in PDF files: 10.3.3. Text Attributes
XML elements: 11.3.1. Element Handlers

authentication: 7.5.4. Authentication

Kerberos extension: B.1. Optional Extensions Listing
message (mhash library): B.1. Optional Extensions Listing

autodecrement (--) operator: 2.4.7. Autoincrement and Autodecrement Operators

autoincrement (++) operator: 2.4.7. Autoincrement and Autodecrement Operators

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