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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/defined doesn't exist. Closest matches:

eventhttpconnection
rpmdefine
runkit7_constant_redefine
stats_rand_get_seeds
ftp_append
stats_rand_phrase_to_seeds
get_defined_vars
runkit7_method_redefine
defined
stats_rand_gen_int
uopz_redefine
uopz_undefine
ftp_set_option
ftp_connection
ldap_first_attribute
ftp_nb_continue
xattr_supported
ps_setlinewidth
stats_dens_beta
imap_headerinfo
get_defined_functions
get_defined_constants
stats_cdf_negative_binomial
is_tainted
fbird_num_fields
ocifreestatement
stats_rand_gen_t
stats_rand_gen_f
fbird_field_info
is_uploaded_file

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