Downloads
Documentation
Get Involved
Help
Search docs
ConFoo Montreal 2026: Call for Papers
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
php/php-src/blob/php-5.4.12/ext/standard/tests/math/expm1_error.phpt
doesn't exist. Closest matches:
unhandledmatcherror
fann_get_sarprop_step_error_shift
fann_set_sarprop_step_error_shift
openssl_private_encrypt
openssl_private_decrypt
stats_standard_deviation
curl_share_strerror
ps_closepath_stroke
libxml_use_internal_errors
yaf_exception_startuperror
fann_create_standard_array
openssl_error_string
db2_stmt_error
socket_strerror
socket_wsaprotocol_info_export
stats_stat_innerproduct
fann_set_cascade_num_candidate_groups
sessionupdatetimestamphandlerinterface
socket_last_error
db2_stmt_errormsg
stream_context_set_params
socket_clear_error
cubrid_lob2_export
phpdbg_start_oplog
openssl_x509_export
openssl_spki_export
openssl_pkey_export
solrclientexception
openssl_cms_encrypt
posix_get_last_error
↑
and
↓
to navigate •
Enter
to select •
Esc
to close
Press
Enter
without selection to search using Google