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PHP 8.4.2 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

httpresponse-setlastmodified doesn't exist. Closest matches:

http_response_code
http_get_last_response_headers
http_clear_last_response_headers
apache_response_headers
swoole_http_response
getlastmod
posix_setsid
yaf_response_abstract
pg_result_error_field
mcrypt_list_modes
opensslcertificate
trader_ht_trendmode
ps_setoverprintmode
ps_closepath_stroke
yaf_exception_loadfailed
ftp_rename
ps_setflat
xattr_supported
posix_setrlimit
ps_setlinewidth
pcntl_wifexited
solrmodifiableparams
posix_get_last_error
stream_context_set_params
oci_set_client_identifier
stream_context_set_option
pg_last_oid
eventhttprequest
svn_repos_create
ssh2_sftp_rename

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