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: 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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