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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

string_replace&lang=en doesn't exist. Closest matches:

str_replace
str_ireplace
pspell_store_replacement
preg_replace_callback
substr_replace
ps_place_image
preg_replace
mb_ereg_replace_callback
str_increment
str_repeat
stringable
enchant_dict_store_replacement
preg_replace_callback_array
mb_ereg_replace
svn_repos_create
mb_eregi_replace
solrpingresponse
array_replace
strnatcasecmp
str_decrement
strnatcmp
imagecreatefrompng
xdiff_string_patch
substr_compare
imagerectangle
svn_repos_open
socket_addrinfo_explain
xdiff_string_bpatch
stream_get_line
eio_set_min_parallel

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