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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

first-https-www.php.net/favicon.ico doesn't exist. Closest matches:

eventhttpconnection
ftp_set_option
stats_stat_factorial
fbird_server_info
pspell_new_config
imageaffinematrixconcat
win32_stop_service
pspell_config_mode
http_response_code
pspell_config
stats_dens_pmf_negative_binomial
fbird_service_detach
ldap_first_reference
fbird_service_attach
pspell_config_create
pspell_config_ignore
ftp_get_option
oci_set_action
fbird_pconnect
ftp_connection
win32_set_service_exit_code
stats_cdf_negative_binomial
ftp_nb_continue
ftp_ssl_connect
fdf_set_version
stats_dens_beta
ssh2_disconnect
arithmeticerror
geoip_setup_custom_directory
register_tick_function

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