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PHP 8.2.19 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
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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
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HTTP authentication with PHP
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Dealing with XForms
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
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Search Engine Extensions
Server Specific Extensions
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Variable and Type Related Extensions
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PHP Function List
function.atan.php
doesn't exist. Closest matches:
function_exists
uopz_function
reflectiontype
fann_train_on_data
reflectionfunctionabstract
yaf_action_abstract
create_function
reflectionclassconstant
badfunctioncallexception
runkit7_function_add
reflectionmethod
constant
fann_cascadetrain_on_data
runkit7_function_copy
uopz_add_function
uopz_del_function
connection_status
ftruncate
reflectionfunction
connection_aborted
luasandboxfunction
reflectionproperty
atanh
ftp_connection
fannconnection
reflectionenum
runkit7_function_rename
reflectionextension
reflectionattribute
reflectiongenerator
