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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
Keeping Current
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
GUI Extensions
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PHP Function List
pdf_set_char_spacing
doesn't exist. Closest matches:
fdf_set_version
fdf_set_javascript_action
fdf_set_encoding
fdf_set_ap
pg_set_client_encoding
fdf_save_string
fdf_get_version
fdf_get_encoding
snmp_set_quick_print
pspell_clear_session
fdf_set_flags
fann_set_callback
socket_cmsg_space
mysql_set_charset
dbase_get_header_info
ps_shading
fdf_get_ap
oci_set_action
fdf_set_status
pg_fetch_assoc
db2_set_option
ftp_set_option
pg_fetch_array
convert_cyr_string
fdf_get_attachment
phpdbg_start_oplog
cubrid_get_charset
socket_create_pair
fann_set_learning_rate
fdf_set_submit_form_action
