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PHP 8.5.2 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; 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

spl_autoload_register() doesn't exist. Closest matches:

spl_autoload_register
spl_autoload_unregister
spl_autoload_extensions
spl_autoload
spl_autoload_call
spl_autoload_functions
simplexml_load_string
stream_filter_register
pg_lo_write
simplexml_load_file
stream_register_wrapper
stream_wrapper_register
autoload
yaf_registry
pg_lo_create
is_uploaded_file
ldap_control_paged_result
stream_wrapper_unregister
rnp_load_keys
output_add_rewrite_var
ssh2_methods_negotiated
ssh2_forward_listen
swoole_redis_server
uopz_allow_exit
preg_filter
spl_classes
header_register_callback
stristr
pspell_config_create
session_register_shutdown

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