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## Index: I

/i (case-insensitive) pattern modifier: 13.2.2. Solution
ibase_execute( ): 10.8.3. Discussion
ibase_prepare( ): 10.8.3. Discussion
identity operator (===): 5.2.3. Discussion
ImageArc( ): 15.3.2. Solution
ImageColorAllocate( ): 15.1. Introduction
ImageColorsForIndex( ): 15.8.3. Discussion
ImageColorTransparent( ): 15.8.2. Solution
ImageCreate( ): 15.1. Introduction
ImageCreateFrom( ): 7.10.3. Discussion
ImageCreateFromPNG( ): 15.1. Introduction
ImageDestroy( ): 15.1. Introduction
15.10. Program: Generating Bar Charts from Poll Results
ImageEllipse( ): 15.3.3. Discussion
ImageFilledArc( ): 15.3.3. Discussion
ImageFilledEllipse( ): 15.3.3. Discussion
ImageFilledPolygon( ): 15.2.2. Solution
ImageFilledRectangle( ): 15.1. Introduction
15.2.2. Solution
drawing bars for bar chart: 15.10. Program: Generating Bar Charts from Poll Results
ImageFillToBorder( ): 15.3.3. Discussion
ImageFtBBox( ): 15.6.3. Discussion
ImageLine( ): 15.2.2. Solution
coordinates for lines: 15.2.3. Discussion
ImagePNG( ): 15.1. Introduction
15.10. Program: Generating Bar Charts from Poll Results
ImagePolygon( ): 15.2.2. Solution
coordinates for polygons: 15.2.3. Discussion
ImagePSBBox( ): 15.6.3. Discussion
ImagePSFreeFont( ): 15.5.3. Discussion
15.5.3. Discussion
ImagePSText( ): 15.5.2. Solution
15.5.3. Discussion
ImageRectangle( ): 15.2.2. Solution
coordinates for rectangles: 15.2.3. Discussion
images (see graphics)
ImageSetStyle( ): 15.4.2. Solution
ImageString( ): 15.5.2. Solution
coordinates: 15.6.3. Discussion
text for bar chart: 15.10. Program: Generating Bar Charts from Poll Results
ImageStringUp( ): 15.5.3. Discussion
ImageSX( ): 15.6.3. Discussion
ImageSY( ): 15.6.3. Discussion
ImageTTFBBox( ): 15.6.3. Discussion
ImageTTFText( ): 15.5.2. Solution
options, order of: 15.5.3. Discussion
imagetypes( ): 15.1. Introduction
IMAP extension: 17.4.2. Solution
MIME type values: 17.4.3. Discussion
NNTP capabilities: 17.6.2. Solution
RFC 822-compliant address parser: 13.6.3. Discussion
imap_body( ): 17.4.3. Discussion
imap_close( ): 17.6.3. Discussion
imap_fetchbody( ): 17.4.3. Discussion
17.6.3. Discussion
imap_fetchstructure( ): 17.4.3. Discussion
fields from NNTP server: 17.6.3. Discussion
imap_mail_compose( ): 17.5.2. Solution
17.5.3. Discussion
imap_num_msg( ): 17.6.3. Discussion
imap_open( ): 17.4.3. Discussion
NNTP server connections: 17.6.3. Discussion
img( ) wrapper function: 16.8.3. Discussion
<img> tag (localized): 16.8.3. Discussion
I18N (see internationalization)
in_array( ): 4.12.2. Solution
4.13.3. Discussion
duplicate elements and: 4.23.3. Discussion
include directive: 11.2.3. Discussion
include files
localizing: 16.9.1. Problem
whitespace in: 8.19.3. Discussion
include_path directive: 16.9.3. Discussion
checking for PEAR packages: 21.2.3. Discussion
incrementing array initialization to range of integers: 4.4.3. Discussion
displaying: 10.14.3. Discussion
indexes
array
not starting at 0 (zero): 4.2.1. Problem
redoing with array_splice( ): 4.6.3. Discussion
DBM files: 10.3.3. Discussion
inequality, comparing for: 4.13.3. Discussion
infinite loops: 5.9.3. Discussion
infinite numbers: 2.1. Introduction
info command (PEAR): 21.4.2. Solution
inheritance, class: 7.1. Introduction
implementing by extending classes: 7.1. Introduction
ini_get( ): 8.23.2. Solution
21.2.3. Discussion
ini_get_all( ): 8.23.3. Discussion
ini_set( ): 8.24.2. Solution
initialization vector (IV): 14.9.3. Discussion
with encryption/decryption modes: 14.8.3. Discussion
functions for creating: 14.8.3. Discussion
passing with encrypted text: 14.8.3. Discussion
inodes: 19.1. Introduction
file information functions: 19.1. Introduction
input/output (I/O): 18.1. Introduction
CLI binary, standard I/O streams: 20.1. Introduction
flushing output to a file: 18.18.1. Problem
flushing output to browser: 8.12.1. Problem
passing input to a program: 18.22.1. Problem
pipes: 18.1. Introduction
reading data from files: 18.1. Introduction
20.4.1. Problem
reading to/writing from compressed files: 18.26.1. Problem
standard error, reading from a program: 18.24.1. Problem
standard output from a program, reading: 18.23.1. Problem
writing output to many filehandles simultaneously: 18.20.1. Problem
writing to standard output: 18.19.1. Problem
INSERT command (SQL): 10.7.2. Solution
finding number of rows returned by query: 10.9.2. Solution
inserting unique IDs into database: 10.12.3. Discussion
querying unique ID database: 10.13.1. Problem
install command (PEAR): 21.6.2. Solution
instantiating objects: 7.2.2. Solution
dynamically: 7.14.1. Problem
instantiation, defined: 7.1. Introduction
new keyword, using: 7.1. Introduction
integers: 2.1. Introduction
0 (zero), as empty variable: 5.1. Introduction
converting floating-point numbers to: 2.1. Introduction
incrementing for unique ID sequence: 10.12.1. Problem
initializing an array to range: 4.4.1. Problem
on left side of comparisons: 5.2.3. Discussion
operating on a range of: 2.5.1. Problem
rounding floating-point numbers to: 2.4.2. Solution
Interbase DB backend: 10.8.3. Discussion
internal errors: 10.11.3. Discussion
internationalization: 16.1. Introduction
default locale, setting: 16.4.1. Problem
listing available locales: 16.2.1. Problem
locale, using: 16.3.1. Problem
localization resources, managing: 16.10.1. Problem
localizing currency values: 16.7.1. Problem
localizing dates and times: 16.6.1. Problem
localizing images: 16.8.1. Problem
localizing included files: 16.9.1. Problem
localizing text messages: 16.5.1. Problem
message catalogs, handling with gettext: 16.11.2. Solution
reading or writing Unicode characters: 16.12.1. Problem
Internet services: 17.1. Introduction
DNS lookups: 17.10.1. Problem
domain names, getting information about: 17.12.1. Problem
LDAP, looking up addresses with: 17.8.1. Problem
mail: 17.2.1. Problem
MIME: 17.3.1. Problem
reading with IMAP or POP3: 17.4.1. Problem
sending: 17.2.1. Problem
ping program, checking if host is alive: 17.11.1. Problem
posting messages to Usenet newsgroups: 17.5.1. Problem
reading Usenet newsgroup messages: 17.6.1. Problem
SOAP
receiving requests: 12.10.1. Problem
sending requests: 12.9.1. Problem
transferring files with FTP: 17.7.1. Problem
XML-RPC
receiving requests: 12.8.1. Problem
sending requests: 12.7.1. Problem
interpolating variables
functions and expressions within strings: 1.8.1. Problem
HTML with interpolated variables, printing with heredocs: 1.1. Introduction
into double-quoted strings: 17.4.3. Discussion
interpreter, running automatically: 20.1. Introduction
intersection of arrays: 4.24.1. Problem
array_intersection( ): 4.24.3. Discussion
inverting all quantifiers from greedy to nongreedy with U modifier: 13.5.2. Solution
13.5.3. Discussion
of domain name servers: 17.12.3. Discussion
looking up with DNS: 17.10.1. Problem
is_array( ): 4.5.3. Discussion
is_bool( ): 2.2.3. Discussion
is_double( ): 2.2.3. Discussion
isError( ) (DB): 10.11.2. Solution
is_file( ): 19.8.3. Discussion
is_float( ): 2.2.3. Discussion
is_int( ): 2.2.3. Discussion
is_long( ): 2.2.3. Discussion
is_numeric( ): 2.2.2. Solution
is_real( ): 2.2.3. Discussion
isset( ): 4.11.2. Solution
5.1. Introduction
6.5.3. Discussion
assigning default values to variables: 5.3.2. Solution