SYMBOL]
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]
[K]
[L]
[M]
[N]
[O]
[P]
[Q]
[R]
[S]
[T]
[U]
[V]
[W]
[X]
[Z]
handler functions
error handling
property overloading
handles
[See file handles]
hashes
[See also associative arrays]
verifying data with
HEAD method
2nd
header( )
2nd
3rd
eliminating "headers already sent" errors
PNG image, sending to browser
headers
HTTP
"headers already sent" error message
Accept-Language
Content-Length
Content-type
2nd
3rd
Cookie
fetching URLs with
Host
Location
2nd
3rd
request
response
using with cURL extension
Window-target header
WWW-Authenticate header
mail
newsgroup messages
metainformation about postings
References header
headline or article syndication format in XML (RSS)
helper functions (PHP) for XML-RPC
heredocs
initializing strings with
interpolating with
strings in
hexadecimal values
converting ASCII character codes to
escape sequences in double-quoted strings
hexdec( )
hidden form fields
hashes in
session tracking with
unique identifier in
hierarchy, class
high-precision time, generating
history of commands
HOME environment variable
horizontal columns in HTML table
horizontally aligned widgets
Host header
hostnames
DNS lookups
for news servers
hosts
finding all
pinging
HTML
capturing text inside tags
color values, printing out
converting to/from ASCII
email containing
emphasized text, converting with <b> or <i> tags
escaping control characters from user data
escaping special characters in newsgroup messages
extracting links from file
highlighting search results
parsing, using nongreedy matching
printing array in horizontally columned
searching for image tag with regular expressions
Smarty templates for
tags, removing from string or file
transforming RSS feed to
Unix system logins formatted as table
XML vs.
HTML entities
2nd
3rd
URL encoding and
html_errors configuration variable
htmlentities( )
2nd
3rd
htmlspecialchars( )
2nd
3rd
HTTP
basic authentication
debugging request/response cycle
exchanging information over with SOAP
headers
[See headers, HTTP]
methods
GET
2nd
3rd
4th
HEAD
2nd
POST
2nd
3rd
4th
5th
6th
mixing headers and body text in buffered output
proxy server, configuring PEAR to use with
reading files via
requests, stateless nature of
status codes
ÒRequest-URI Too LongÓ (414)
program unable to retrieve URL
web page moved elsewhere (302)
HTTP_Request class
addHeader( ) method
2nd
getResponseHeader( ) and getResponseBody( )
redirects and
retrieving URL contents
retrieving URLs in fresh-links.php
username and password in URL
HTTP_USER_AGENT environment variable
httpd.conf file
session ID, writing to access_log for each request
HTTPS
hyperbolic functions
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