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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
mcal_is_leap_year
doesn't exist. Closest matches:
imap_is_open
curl_setopt_array
curl_escape
imap_search
xml_set_element_handler
parle_lexer
imap_header
ldap_search
radius_put_attr
radius_put_addr
radius_get_attr
libxml_disable_entity_loader
mysql_xdevapi_schema
pcntl_get_last_error
cubrid_close_prepare
fann_get_layer_array
oci_lob_is_equal
mysql_field_type
imap_headers
mysql_xdevapi_warning
libxml_get_last_error
radius_add_server
mysql_list_tables
mysql_set_charset
is_soap_fault
curl_unescape
getallheaders
class_parents
halt_compiler
oci_parse
