Downloads
Documentation
Get Involved
Help
Search docs
Dutch PHP Conference 2026 - Call For Papers
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
Keyboard Shortcuts
?
This help
j
Next menu item
k
Previous menu item
g p
Previous man page
g n
Next man page
G
Scroll to bottom
g g
Scroll to top
g h
Goto homepage
g s
Goto search
(current page)
/
Focus search box
PHP Function List
https:/www.php.net/manual/en/function.swoole-async-dns-lookup.php
doesn't exist. Closest matches:
swoole_async_dns_lookup
reflectionfunctionabstract
get_defined_functions
runkit7_function_copy
phpdbg_break_function
swoole_async_readfile
pg_transaction_status
readline_completion_function
scoutapm_list_instrumented_functions
swoole_async_set
reflectionclassconstant
reflectionzendextension
pspell_dictionary
swoole_async_read
badfunctioncallexception
fann_set_cascade_min_out_epochs
reflectionfunction
runkit7_function_redefine
swoole_async
fann_set_activation_function_layer
stream_resolve_include_path
runkit7_function_add
fann_set_activation_function_output
stream_notification_callback
php_ini_scanned_files
fann_get_cascade_activation_functions_count
socket_addrinfo_lookup
pg_set_client_encoding
spl_autoload_functions
swoole_async_writefile
↑
and
↓
to navigate •
Enter
to select •
Esc
to close
Press
Enter
without selection to search using Google
