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PHP 8.3.21 Released!

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

function.add_image_size doesn't exist. Closest matches:

function_exists
getimagesize
ps_open_image_file
runkit7_function_add
commonmark_node_image
yaf_config_simple
func_get_args
runkit7_function_rename
runkit7_function_remove
reflectionnamedtype
pg_connection_reset
reflectionparameter
cubrid_lob_size
cubrid_col_size
yaf_exception_loadfailed
badfunctioncallexception
ui_size
yaf_exception_loadfailed_view
cubrid_lob2_size
imagecopyresized
runkit7_function_redefine
fann_get_mse
fbird_gen_id
func_get_arg
fdf_get_file
win32_add_right_access_service
filesize
ftp_size
iconv_mime_encode
iconv_mime_decode

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