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PHP 8.1.34 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

pdo_mysql.cache_size doesn't exist. Closest matches:

pdo_mysql
pdo_sqlite
realpath_cache_size
mysql_escape_string
mysqli_escape_string
mysql_fetch_field
ps_place_image
mysql_close
mysql_create_db
apcu_cache_info
mysql_data_seek
pg_escape_string
pg_set_chunked_rows_size
mysql_real_escape_string
mysql_field_seek
mysql_fetch_assoc
db2_escape_string
pg_escape_literal
apache_setenv
gc_mem_caches
opcache_reset
pg_field_size
pdo_pgsql
opcache_invalidate
mysql_fetch_object
memcache_debug
mysqli_set_opt
oci_field_size
rnp_locate_key
shmop_size

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