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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

）下载适合你操作系统的安装包，并按照指示进行安装。 doesn't exist. Closest matches:

finfo_open
swoole_connection_iterator
date_timestamp_get
trader_cdlupsidegap2crows
mysql_xdevapi_collectionmodify
sodium_crypto_pwhash
mysql_result
mysql_query
sodium_bin2hex
fann_create_sparse
iteratoriterator
yaf_route_regex
dcngettext
cubrid_lob2_tell
imagecolorclosest
db2_fetch_assoc
finfo_file
imagecolorexact
pg_lo_read_all
cos
fann_get_cascade_min_out_epochs
pg_escape_string
svn_checkout
fann_get_sarprop_step_error_threshold_factor
fann_destroy
ps_delete
yaf_exception_loadfailed_controller
ps_close_image
pcntl_signal_dispatch
ftp_cdup

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