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Index: S

s (whitespace) metasymbol: 13.1. Introduction
18.8.3. Discussion
Sablotron XSLT processor: 12.6.3. Discussion
salt characters added to encrypted passwords: 14.5.3. Discussion
save-crypt.php program: 14.9.3. Discussion
SAX: 12.5.1. Problem
scalar variables, array processing and: 4.5.3. Discussion
scope, variables: 6.12.3. Discussion
scripts
GTK functionality, loading with d1( ): 20.1. Introduction
web or command-line context, checking for: 20.1. Introduction
search command (pear): 21.3.2. Solution
searches
breadth-first: 19.10.3. Discussion
depth-first: 19.10.3. Discussion
site-search.php program: 19.14. Program: Site Search
secant: 2.12.3. Discussion
secure URLs (HTTPS), retrieving: 11.6.1. Problem
security
cookie jar storage and: 11.4.3. Discussion
encryption and: 14.1. Introduction
checking password strength: 14.6.1. Problem
encrypting email with GPG: 14.12.1. Problem
encryption/decryption algorithms: 14.8.1. Problem
keeping passwords out of site files: 14.2.1. Problem
levels of encryption: 14.1. Introduction
lost passwords: 14.7.1. Problem
obscuring data with encoding: 14.3.1. Problem
protecting encryption keys: 14.1. Introduction
sharing encrypted data with another web site: 14.10.1. Problem
SSL: 14.11.1. Problem
storing encrypted data in file or database: 14.9.1. Problem
storing passwords: 14.5.1. Problem
verifying data with hashes: 14.4.1. Problem
form processing: 9.8.1. Problem
hiding PHP error messages from user: 8.15.3. Discussion
serving images: 15.9.1. Problem
seed for random number generation: 2.6.3. Discussion
SELECT command (SQL)
caching query results: 10.15.3. Discussion
finding number of rows returned by query: 10.9.2. Solution
sem_acquire( ): 5.7.3. Discussion
semaphores
documentation on: 5.7.4. See Also
guaranteeing exclusive access to shared memory: 5.7.2. Solution
sem_get( ): 5.7.3. Discussion
sem_release( ): 5.7.3. Discussion
send( ) (Mail_mime): 17.3.3. Discussion
sendmail: 17.2.3. Discussion
sendRequest( ) (HTTP_Request): 11.16. Program: Finding Fresh Links
serialize( ): 5.8.2. Solution
9.4.3. Discussion
storing complex data in DBM files: 10.3.3. Discussion
storing complex data in text file database: 10.2.2. Solution
serializing WDDX variables: 12.11.3. Discussion
$_SERVER superglobal array: 9.1. Introduction
servers
DNS, parsing out names and IP addresses of: 17.12.3. Discussion
HTTP proxy server, configuring PEAR to use with: 21.2.3. Discussion
IMAP: 17.4.3. Discussion
LDAP
communicating with: 17.8.3. Discussion
downloading: 17.8.3. Discussion
parsing log file: 11.14.1. Problem
POP3: 17.4.3. Discussion
SMTP: 17.2.3. Discussion
SOAP_Server class: 12.10.2. Solution
timeouts on request waiting length: 11.7.3. Discussion
unencrypted data, snooping on: 14.9.3. Discussion
web server directory listing (web-ls.php): 19.13. Program: Web Server Directory Listing
writing PHP error messages to log: 8.15.3. Discussion
XML-RPC: 12.8.3. Discussion
service( ) (SOAP_Server): 12.10.3. Discussion
session IDs: 8.6.3. Discussion
correlating to usernames: 8.11.3. Discussion
session module: 8.6.2. Solution
tracking users with: 8.25.3. Discussion
$_SESSION superglobal array: 8.6.2. Solution
8.11.3. Discussion
9.4.3. Discussion
session tracking: 8.6.1. Problem
multipage forms, using with: 9.4.2. Solution
storing sessions in database: 8.7.1. Problem
pc_DB_Session class: 8.7.3. Discussion
session.entropy_file configuration directive: 8.11.3. Discussion
session.entropy_length configuration directive: 8.11.3. Discussion
session_name( ): 8.6.3. Discussion
session_save_path( ): 8.6.3. Discussion
session_set_save_handler( ): 8.7.3. Discussion
session_start( ): 8.6.2. Solution
9.4.3. Discussion
set_attribute( ): 12.3.3. Discussion
setcookie( ): 8.2.2. Solution
deleting cookies: 8.4.2. Solution
eliminating "headers already sent" errors: 8.19.1. Problem
sending only over SSL connections: 14.11.3. Discussion
set_error_handler( ): 8.16.3. Discussion
8.17.2. Solution
setErrorHandling( ) (DB): 10.11.3. Discussion
setFetchMode( ) (DB): 10.5.3. Discussion
setgid bit: 19.1. Introduction
19.3.3. Discussion
setHTMLBody( ) (Mail_mime): 17.3.3. Discussion
setlocale( ): 16.3.2. Solution
16.4.2. Solution
setMarker( ) (Benchmark::Timer): 8.26.3. Discussion
set_submenu( ) (GtkMenuItem): 20.9.2. Solution
set_text( ) (GtkButton): 20.8.3. Discussion
setTXTBody( ) (Mail_mime): 17.3.3. Discussion
settype( ): 4.5.3. Discussion
setuid bit: 19.1. Introduction
19.3.3. Discussion
shapes, drawing (see graphics)
shared locks: 18.25.3. Discussion
shared memory segments
documentation on: 5.7.4. See Also
storing shared variables in: 5.7.2. Solution
shells
globbing filenames: 19.9.3. Discussion
wildcards in: 10.10.3. Discussion
metacharacters, escaping: 18.21.1. Problem
redirecting standard error to standard output: 18.24.3. Discussion
shifting array elements: 4.6.3. Discussion
shm_attach( ): 5.7.3. Discussion
shm_detach( ): 5.7.3. Discussion
shm_get_var( ): 5.7.3. Discussion
shm_put_var( ): 5.7.3. Discussion
short_open_tag configuration directive: 12.2.3. Discussion
show_all( ) (GtkWindow): 20.6.3. Discussion
shuffle( ): 4.21.2. Solution
18.12.3. Discussion
shuffling deck of cards: 4.22.1. Problem
shutdown( ) (GtkWindow): 20.6.3. Discussion
signals
associating with callback functions to handle user actions: 20.8.2. Solution
from GUI widgets, handling: 20.6.3. Discussion
from menu items in GTK window: 20.9.3. Discussion
Simple API for XML (see SAX)
simple difference between arrays: 4.24.2. Solution
4.24.3. Discussion
Simple Object Access Protocol (see SOAP)
sin( ): 2.12.2. Solution
single quotes (see ', under Symbols)
sinh( ): 2.12.3. Discussion
site-search.php program: 19.14. Program: Site Search
Smarty templates: 11.13.1. Problem
displaying rows retrieved from database: 11.13.3. Discussion
SMTP server: 17.2.3. Discussion
SOAP: 12.1. Introduction
creating server and responding to SOAP requests: 12.10.1. Problem
requests, sending: 12.9.1. Problem
SOAP_Client class: 12.9.3. Discussion
SOAP_Server class: 12.10.2. Solution
SOAP_Server::addObjectMap( ): 12.10.3. Discussion
SOAP_Server::service( ): 12.10.3. Discussion
SOAP_Value class: 12.9.3. Discussion
SOAP_WSDL class: 12.9.3. Discussion
SOAP_WSDL::getProxy( ): 12.9.3. Discussion
sockets
connections to news server: 17.5.2. Solution
opening with fsockopen( ): 11.1. Introduction
SSL (Secure Sockets Layer): 8.2.3. Discussion
11.6.3. Discussion
17.4.3. Discussion
Solaris systems, locale program: 16.2.3. Discussion
sort( ): 4.17.2. Solution
sorting
arrays: 4.17.1. Problem
by a computable field: 4.18.1. Problem
copying first to retain original order: 4.15.3. Discussion
method, using instead of a function: 4.20.1. Problem
modifying sort type: 4.19.2. Solution
multiple: 4.19.1. Problem
in reverse order: 4.15.3. Discussion
shuffling deck of cards: 4.22.1. Problem
text for different locales: 16.1. Introduction
space-padded strings: 1.11.3. Discussion
1.14.3. Discussion
spaces: 1.6.1. Problem
(see also whitespace)
changing to/from tabs in strings: 1.6.1. Problem
sparsely filled arrays: 4.24.3. Discussion
special characters
escaping in HTML: 9.9.3. Discussion
escaping in queried data: 10.10.2. Solution
in regular expressions (see metacharacters metasymbols)
in SQL: 10.1. Introduction
SQL and shell globbing wildcards, escaping: 10.10.3. Discussion
in URL encoding: 8.9.3. Discussion
split( ): 1.12.2. Solution
splitting a string on a regular expression: 13.10.2. Solution
sprintf( )
combining with msg( ): 16.5.3. Discussion
converting decimal numbers to binary, octal and hexadecimal numbers: 2.15.3. Discussion
formatting poll result numbers: 15.10. Program: Generating Bar Charts from Poll Results
SQL (Structured Query Language)
databases
connecting to: 10.4.1. Problem
modifying data in: 10.7.1. Problem
paired with PHP: 10.1. Introduction
querying: 10.5.1. Problem
portability of: 10.1. Introduction
special characters in: 10.1. Introduction
wildcard characters, quoting in database queries: 10.10.3. Discussion
square brackets (see [ ], under Symbols)
srand( ): 14.8.3. Discussion
SSL (Secure Sockets Layer): 14.11.1. Problem
cookies, sending over: 8.2.3. Discussion
cURL extension, using with: 11.6.3. Discussion
IMAP and POP3 connections: 17.4.3. Discussion
stale-links.php program: 11.15. Program: Finding Stale Links
standard error: 20.1. Introduction
printing cURL module debugging information to: 11.7.3. Discussion
reading from a program: 18.24.1. Problem
writing to: 18.19.3. Discussion
standard input: 20.1. Introduction
reading from: 18.5.1. Problem
reading from the keyboard: 20.4.1. Problem
standard output: 20.1. Introduction
reading from a program: 18.23.1. Problem
redirecting standard error to: 18.24.2. Solution
writing to: 18.19.1. Problem
start( ) (Auth): 17.9.3. Discussion
start tags, PHP: 18.14.3. Discussion
start_element( ): 12.5.3. Discussion
starting and ending angles (in degrees) for arcs: 15.3.3. Discussion
stat( ) function: 19.1. Introduction
19.3.2. Solution
calling on symbolic links: 19.3.3. Discussion
file information returned by: 19.3.3. Discussion
statement handles: 10.1. Introduction
static variables: 5.6.1. Problem
stdclass class: 7.1. Introduction
adding properties to base object: 7.12.2. Solution
sticky bit: 19.1. Introduction
strace( ): 18.24.1. Problem
strftime( ): 3.2.2. Solution
3.2.4. See Also
button displaying current time: 20.8.3. Discussion
%c format string (for localization): 16.6.2. Solution
day of week, month, or year, week of the year: 3.8.2. Solution
formatting dates and times: 3.5.3. Discussion
start date for time ranges: 3.15.2. Solution
string concatenation operator(.): 1.8.2. Solution
strings: 1.1. Introduction
as array keys: 4.1. Introduction
arrays for multiple return values: 6.9.3. Discussion
merging: 4.8.3. Discussion
mixing with numeric: 4.2.3. Discussion
binary data, storing in: 1.14.1. Problem
breaking into smaller pieces: 1.12.1. Problem
case, controlling: 1.7.1. Problem
checking for valid number: 2.2.1. Problem
complex data types, encapsulating as: 5.8.1. Problem
serializing strings: 5.8.2. Solution
compressing: 18.26.3. Discussion
converting arrays to: 4.9.1. Problem
converting to/from numbers: 2.1. Introduction
double-quoted, variable interpolation in: 17.4.3. Discussion
dumping variable contents as: 5.9.1. Problem
empty: 5.1. Introduction
assigning as default value of function parameter: 6.3.3. Discussion
escape sequences: 1.1. Introduction
expanding and compressing tabs: 1.6.1. Problem
in heredocs: 1.1. Introduction
initializing: 1.1. Introduction
interpolating functions and expressions: 1.8.1. Problem
numeric: 2.2.3. Discussion
outputting DOM XML document to: 12.3.3. Discussion
parsing comma-separated data: 1.10.1. Problem
parsing dates and times from: 3.10.1. Problem
parsing fixed-width records in: 1.11.1. Problem
processing one character at a time: 1.4.1. Problem
quoting in queried data: 10.10.2. Solution
reading files into: 18.6.1. Problem
returning all program output as single string: 18.23.3. Discussion
reversing by word or character: 1.5.1. Problem
splitting on regular expression: 13.10.2. Solution
substrings
accessing: 1.2. Accessing Substrings
replacing: 1.3.1. Problem
trimming blanks from: 1.9.1. Problem
wrapping text: 1.13.1. Problem
stripslashes( ): 5.8.3. Discussion
strip_tags( ): 11.12.2. Solution
13.5.3. Discussion
strnatcmp( ): 4.18.3. Discussion
strpos( ): 6.10.3. Discussion
str_replace( ): 2.2.4. See Also
switching tabs to/from spaces: 1.6.2. Solution
strrev( ): 1.5.2. Solution
strtolower( ): 1.7.2. Solution
1.7.3. Discussion
strtotime( ): 3.10.2. Solution
adding to/subtracting from a date: 3.11.2. Solution
parsing date formats: 3.10.3. Discussion
strtoupper( ): 1.7.2. Solution
1.7.3. Discussion
strtr( ): 10.10.3. Discussion
structured access to databases: 10.2.3. Discussion
stylesheets, XSL: 12.6.1. Problem
subclassing: 7.1. Introduction
substr( ): 1.2.1. Solution
parsing fixed-width records in strings: 1.11.2. Solution
unpack( ), substituting for in fixed-width field extraction: 1.11.3. Discussion
substrings (see strings)
substr_replace( ): 1.3.2. Solution
subtracting from a date: 3.11.1. Problem
summer time (see daylight saving time)
superglobal arrays: 9.1. Introduction
superuser, changing file permissions and ownership: 19.4.3. Discussion
switch statements: 5.6.3. Discussion
in method polymorphism emulation: 7.10.3. Discussion
symbolic links: 19.1. Introduction
calling stat( ) on: 19.3.3. Discussion
is_dir( ) function and: 19.10.3. Discussion
symmetric difference between arrays: 4.24.2. Solution
4.24.3. Discussion
syslog(3) (Unix): 8.15.3. Discussion
system( ): 18.21.3. Discussion
system calls
displayed by strace( ), capturing: 18.24.1. Problem
fooling system function mktime( ) for time zones: 3.12.3. Discussion
stat( ): 19.3.3. Discussion


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