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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

bullet-https-fosstodon.org/@php doesn't exist. Closest matches:

xsltprocessor
gethostbyaddr
eventhttpconnection
mysql_get_host_info
mb_http_output
mysql_get_proto_info
swoole_http_response
lengthexception
getprotobynumber
eventhttprequest
multipleiterator
getimagesizefromstring
imagepalettetotruecolor
ps_setcolor
gnupg_getprotocol
gethostname
mb_list_encodings
socket_wsaprotocol_info_export
socket_wsaprotocol_info_import
badfunctioncallexception
swoole_http_server
mb_detect_encoding
http_response_code
socket_wsaprotocol_info_release
ui_draw_text_font_stretch
runkit7_method_copy
swoole_http_request
xml_set_processing_instruction_handler
gethostbyname
mb_http_input

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