Downloads
Documentation
Get Involved
Help
PHP 8.4.0 RC3 available for testing
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
'/manual/en/introduction.php/'
doesn't exist. Closest matches:
imagesetinterpolation
imagegetinterpolation
imageresolution
fann_set_train_stop_function
fann_get_train_stop_function
enchantdictionary
fann_set_train_error_function
fann_get_train_error_function
luasandboxfunction
ui_controls_button
sqlsrv_begin_transaction
xmlrpc_server_add_introspection_data
datemalformedintervalstringexception
scoutapm_list_instrumented_functions
xml_set_processing_instruction_handler
fannconnection
yar_client_exception
fann_scale_input_train_data
xml_parse_into_struct
get_defined_functions
yaf_application
lengthexception
domainexception
fann_get_activation_function
datemalformedstringexception
enchant_broker_get_dict_path
enchant_broker_set_dict_path
fann_set_activation_function
badmethodcallexception
gearmanexception