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/language.namespaces.php/'
doesn't exist. Closest matches:
xml_set_end_namespace_decl_handler
xml_set_start_namespace_decl_handler
domnamespacenode
mb_language
invalidargumentexception
fann_create_sparse
net_get_interfaces
fann_get_num_layers
fann_set_cascade_output_stagnation_epochs
imageinterlace
imagesavealpha
pcntl_signal_dispatch
trader_linearreg_slope
zookeepermarshallingexception
fann_set_cascade_candidate_stagnation_epochs
fann_train_epoch
openssl_get_curve_names
mongodb_bson_timestampinterface
closedgeneratorexception
fann_create_sparse_array
timezone_name_get
imagegammacorrect
stats_dens_laplace
trader_linearreg_intercept
outofrangeexception
reflectionnamedtype
mb_encoding_aliases
fann_get_mse
mongodb_bson_regexinterface
random_engine_secure