update page now

Downloads
Documentation
Get Involved
Help

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

Keyboard Shortcuts
?: This help
j: Next menu item
k: Previous menu item
g p: Previous man page
g n: Next man page
G: Scroll to bottom
g g: Scroll to top
g h: Goto homepage
g s: Goto search
(current page)
/: Focus search box

PHP Function List

using-https-www.php.net/opcache doesn't exist. Closest matches:

hrtime_stopwatch
htmlspecialchars
sodium_crypto_sign_detached
stats_dens_cauchy
htmlspecialchars_decode
stats_dens_laplace
cubrid_is_instance
pspell_store_replacement
svn_fs_props_changed
setlocale
stats_dens_beta
quickhashintset
stats_cdf_exponential
fann_get_network_type
shm_attach
shm_detach
stats_cdf_cauchy
variant_set_type
disk_total_space
quickhashinthash
stats_dens_exponential
svn_auth_set_parameter
svn_auth_get_parameter
sodium_crypto_sign_verify_detached
stats_cdf_laplace
imap_setacl
ibase_blob_cancel
solrinputdocument
stats_rand_setall
str_replace

Full website search

Copyright © 2001-2026 The PHP Group
My PHP.net
Contact
Other PHP.net sites
Privacy policy
View Source

↑ and ↓ to navigate • Enter to select • Esc to close • / to open

Press Enter without selection to search using Google