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Index: U

U pattern modifier: 13.5.2. Solution
quantifiers, converting to/from greedy or nongreedy: 13.5.3. Discussion
ucfirst( ): 1.7.2. Solution
ucwords( ): 1.7.2. Solution
umask( ): 19.1. Introduction
"Undefined variable" error message: 8.16.3. Discussion
umask (permission setting): 19.1. Introduction
Unicode: 16.1. Introduction
reading or writing: 16.12.1. Problem
uninstall command (pear): 21.8.2. Solution
union of arrays: 4.24.1. Problem
merging arrays to create: 4.24.3. Discussion
uniqid( ): 9.6.2. Solution
unique IDs
assigning automatically and maintaining database of: 10.12.1. Problem
database of, building programmatic queries: 10.13.1. Problem
LDAP: 17.8.3. Discussion
Unix
downloading and installing PHP-GTK: 20.1. Introduction
file permissions: 19.1. Introduction
files, line delimiters and pathnames: 18.1. Introduction
man strftime: 3.5.4. See Also
matching filenames, using ls with `: 19.9.3. Discussion
MySQLÕs UNIX_TIMESTAMP( ) function: 3.6.4. See Also
pathnames: 18.1. Introduction
PEAR, installing on: 21.1. Introduction
redirecting standard error to standard output: 18.24.3. Discussion
system logins formatted as HTML table: 18.23.3. Discussion
terminal characteristics: 20.5.3. Discussion
zoneinfo library: 3.12.3. Discussion
time zones, listed: 3.12.3. Discussion
unixtojd( ): 3.11.3. Discussion
unlink( ): 19.6.2. Solution
19.12.3. Discussion
unlocking locked files: 18.25.3. Discussion
unpack( )
extracting binary data from strings: 1.14.2. Solution
format characters, listing of: 1.14.3. Discussion
format strings: 1.14.3. Discussion
parsing fixed-width records in strings: 1.11.2. Solution
substituting for substr( ) in extracting fixed-width fields: 1.11.3. Discussion
unregister_tick_function( ): 8.26.3. Discussion
unserialize( ): 5.8.2. Solution
unset( ): 5.1. Introduction
7.4.2. Solution
9.8.3. Discussion
array elements, using on: 4.6.3. Discussion
variables brought into local scope with global keyword: 6.12.3. Discussion
unzip.php program: 18.27. Program: Unzip
UPDATE command (SQL): 10.7.2. Solution
finding number of rows returned by a query: 10.9.2. Solution
unique ID database, querying: 10.13.1. Problem
update_time( ): 20.8.3. Discussion
20.9.3. Discussion
upgrade command (pear): 21.7.3. Discussion
upgrading PEAR packages: 21.7.1. Problem
uploaded files, processing: 9.7.1. Problem
URL fopen wrapper: 18.4.3. Discussion
urlencode( ): 5.8.3. Discussion
8.9.2. Solution
URLs
embedding authentication information in: 18.4.3. Discussion
encoding: 8.9.2. Solution
FTP protocol: 17.7.3. Discussion
password-protected: 14.10.2. Solution
retrieving remote: 11.1. Introduction
cookies, fetching with: 11.4.1. Problem
GET method, fetching with: 11.2.1. Problem
headers, fetching with: 11.5.1. Problem
HTTPS: 11.6.1. Problem
POST method, fetching with: 11.3.1. Problem
U.S. Naval Observatory, time zone information: 3.12.3. Discussion
Usenet newsgroups
posting messages to: 17.5.1. Problem
reading messages from: 17.6.1. Problem
User-Agent header: 11.5.3. Discussion
USER environment variable: 14.12.3. Discussion
user permissions: 19.1. Introduction
19.3.3. Discussion
usernames
anonymous: 17.7.3. Discussion
DBM database of: 10.3.3. Discussion
excluding from passwords: 14.6.3. Discussion
PEAR DB backends: 10.4.3. Discussion
users
abusive, cutting off: 8.28. Program: Abusive User Checker
responding to actions by: 20.8.1. Problem
usort( ): 4.18.2. Solution
4.18.3. Discussion
6.13.3. Discussion
/usr/bin/last command: 18.23.3. Discussion
UTC (Coordinated Universal Time): 3.1. Introduction
converting to epoch timestamp: 3.3.2. Solution
gmdate( ) and gmstrftime( ) functions: 3.5.3. Discussion
offsets between time zones: 3.12.3. Discussion
time zone offsets from
DST calculation and: 3.13.3. Discussion
UTF-8 encoding (Unicode): 16.12.3. Discussion
utf8_decode( ): 16.12.2. Solution
utf8_encode( ): 16.12.2. Solution


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