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PHP 8.4.2 Released!
Getting Started
Introduction
A simple tutorial
Language Reference
Basic syntax
Types
Variables
Constants
Expressions
Operators
Control Structures
Functions
Classes and Objects
Namespaces
Enumerations
Errors
Exceptions
Fibers
Generators
Attributes
References Explained
Predefined Variables
Predefined Exceptions
Predefined Interfaces and Classes
Predefined Attributes
Context options and parameters
Supported Protocols and Wrappers
Security
Introduction
General considerations
Installed as CGI binary
Installed as an Apache module
Session Security
Filesystem Security
Database Security
Error Reporting
User Submitted Data
Hiding PHP
Keeping Current
Features
HTTP authentication with PHP
Cookies
Sessions
Handling file uploads
Using remote files
Connection handling
Persistent Database Connections
Command line usage
Garbage Collection
DTrace Dynamic Tracing
Function Reference
Affecting PHP's Behaviour
Audio Formats Manipulation
Authentication Services
Command Line Specific Extensions
Compression and Archive Extensions
Cryptography Extensions
Database Extensions
Date and Time Related Extensions
File System Related Extensions
Human Language and Character Encoding Support
Image Processing and Generation
Mail Related Extensions
Mathematical Extensions
Non-Text MIME Output
Process Control Extensions
Other Basic Extensions
Other Services
Search Engine Extensions
Server Specific Extensions
Session Extensions
Text Processing
Variable and Type Related Extensions
Web Services
Windows Only Extensions
XML Manipulation
GUI Extensions
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PHP Function List
httpmessage-getheaders
doesn't exist. Closest matches:
get_headers
getallheaders
http_clear_last_response_headers
http_get_last_response_headers
apache_response_headers
imap_headers
imap_fetchheader
messageformatter
dbase_get_header_info
soapheader
http_response_code
apache_request_headers
imap_header
openssl_pkey_get_details
pcntl_signal_get_handler
sysvmessagequeue
iconv_mime_decode_headers
imagesetthickness
mysql_set_charset
openssl_get_cipher_methods
msg_get_queue
imagesetbrush
openssl_get_md_methods
imagechar
date_timestamp_get
ps_set_border_dash
escapeshellarg
sessionhandler
openssl_private_decrypt
ps_set_border_style
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