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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

using-https-wiki.php.net/todo/php85 doesn't exist. Closest matches:

runkit7_method_copy
eventhttpconnection
snmp_set_oid_output_format
stats_rand_phrase_to_seeds
imagickpixeliterator
ps_stringwidth
runkit7_method_remove
runkit7_function_copy
cubrid_set_drop
quickhashintset
inet_ntop
ps_lineto
ui_window
quickhashstringinthash
stream_socket_shutdown
imagepalettecopy
svn_fs_node_prop
multipleiterator
hrtime_stopwatch
variant_set_type
imagickpixeliteratorexception
sapi_windows_cp_is_utf8
intlbreakiterator
curl_share_setopt
rnp_dump_packets_to_json
domprocessinginstruction
recursivecachingiterator
snmpwalkoid
runkit7_method_add
swoole_http_client

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