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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

declaration-https-www.php.net/feed.atom doesn't exist. Closest matches:

reflectiongenerator
deflatecontext
trader_cdlseparatinglines
reflectionintersectiontype
iteratoriterator
domcharacterdata
rnp_supported_features
connection_status
dom_characterdata
dateinvalidoperationexception
solrillegaloperationexception
ui_exception_runtimeexception
mysql_xdevapi_crudoperationskippable
dio_tcsetattr
reflectionexception
eventhttpconnection
reflectionparameter
reflectionnamedtype
reflectionextension
reflectionreference
recursiveiteratoriterator
reflectiontype
pg_connection_status
swoole_connection_iterator
geoip_netspeedcell_by_name
stream_context_set_default
cubrid_set_autocommit
xattr_supported
array_intersect_assoc
openal_context_create

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