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International PHP Conference Berlin 2026
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
source.php?url=/manual/en/function.eval.php
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solrcollapsefunction
spl_autoload_functions
reflectionfunction
phpdbg_break_function
reflectionfunctionabstract
zookeeperauthenticationexception
runkit7_function_remove
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luasandboxfunction
zookeepermarshallingexception
solrclientexception
runkit7_function_add
curl_multi_info_read
scoutapm_list_instrumented_functions
oauth_urlencode
create_function
swoole_connection_iterator
runkit7_function_copy
curl_multi_getcontent
gearmanexception
uopz_del_function
uopz_add_function
curl_multi_setopt
curl_multi_select
readline_completion_function
stream_notification_callback
quoted_printable_encode
curl_multi_remove_handle
badfunctioncallexception
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