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PHP 8.5.0 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

error_handler doesn't exist. Closest matches:

get_error_handler
set_error_handler
restore_error_handler
use_soap_error_handler
ob_gzhandler
sessionhandler
ob_tidyhandler
dba_handlers
error_log
error_clear_last
ob_iconv_handler
ob_list_handlers
curl_copy_handle
curlhandle
mb_output_handler
get_exception_handler
set_exception_handler
get_headers
restore_exception_handler
intl_error_name
curlsharehandle
eio_sendfile
error
ibase_free_event_handler
session_set_save_handler
curl_multi_remove_handle
fbird_free_event_handler
cubrid_error_code
gender
normalizer

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