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PHP 8.1.28 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
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Features
HTTP authentication with PHP
Cookies
Sessions
Dealing with XForms
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
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PHP Function List
function.unicode_get_subst_char
doesn't exist. Closest matches:
cubrid_get_charset
function_exists
fann_get_bias_array
func_get_arg
fann_get_bit_fail
func_get_args
commonmark_node_text_strong
cubrid_get_db_parameter
fann_get_num_layers
fann_get_errstr
iconv_substr
socket_get_status
fann_get_cascade_output_change_fraction
trader_get_unstable_period
oauth_get_sbs
reflectionenumunitcase
fann_get_cascade_min_out_epochs
fann_get_cascade_max_out_epochs
opcache_get_status
inflate_get_status
eio_get_last_error
imap_getsubscribed
fann_get_bit_fail_limit
fdf_get_status
cubrid_set_db_parameter
fbird_set_event_handler
enchant_broker_get_dict_path
yaf_action_abstract
reflectionuniontype
session_set_save_handler