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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
javascript-https-www.php.net/array-diff-uassoc
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array_diff_uassoc
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mongodb_bson_javascriptinterface
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fdf_set_javascript_action
array_intersect_assoc
array_diff_ukey
array_uintersect_assoc
array_diff
curl_setopt_array
array_udiff
stats_standard_deviation
cubrid_fetch_assoc
cubrid_fetch_array
array_diff_key
mcrypt_generic
cubrid_set_autocommit
readline_read_history
stats_cdf_exponential
oci_fetch_assoc
oci_fetch_array
stats_dens_exponential
recursivearrayiterator
stream_set_read_buffer
crypt_preferred_method
fdf_add_doc_javascript
dateinvalidoperationexception
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