Use ajax technology to directly obtain comments on the corresponding functions on php.net to help you better learn the essence of php. The directory is as follows:
Foreword Authors and Contributors
I. Getting Started
1. Introduction
2. Brief tutorial
II. Installation and Configuration
3. Things to consider before installation
4. Installation under Unix system
5. Installation under Mac OS X system
6. Installation under Windows system
7. PECL extension library installation
8. Still have questions?
9. Runtime configuration
III. Language reference
10. Basic grammar
11. Type
12. Variables
13. Constants
14. Expressions
15. Operators
16. Process control
17. Function
18. Classes and Objects (PHP 4)
19. Classes and Objects (PHP 5)
20. Exception handling
21. Explanation of quotations
IV. Safety
22. Introduction
23. General
24. When installing in CGI mode
25. When installing as Apache module
26. File system security
27. Database security
28. Error reporting
29. Using Register Globals
30. User-submitted data
31. Magic quotes
32. Hide PHP
33. Stay updated
V. Features
34. HTTP authentication with PHP
35. cookies
36. Conversation
37. Working with XForms
38. File upload processing
39. Working with remote files
40. Connection handling
41. Database permanent connection
42. Safe Mode
43. PHP command line mode
VI. Function reference
I. .NET functions
II. Advanced PHP debugger
III. Alternative PHP Cache
IV. Apache-specific functions
V. Array array function
VI. Aspell function (deprecated)
VII. BC math high-precision mathematical functions
VIII. Bzip2 compression function
IX. Calendar calendar function
X. CCVS API Functions [deprecated]
XI. Character Type Functions
XII. Classes/Objects Class/Object Functions
XIII. Classkit Functions
XIV. ClibPDF Functions
XV.COM and .Net (Windows) functions
XVI. Crack Functions
XVII. Credit Mutuel CyberMUT functions
XVIII. CURL, Client URL Library Functions
XIX. Cybercash Payment Functions
XX. Cyrus IMAP administration Functions
XXI. Database (dbm-style) Abstraction Layer Functions
XXII. Date/Time date/time function
XXIII. DB++ Functions
XXIV. dBase Functions
XXV. DBM Functions [deprecated]
XXVI. dbx Functions
XXVII. Direct IO Functions
XXVIII. Directory directory functions
XXIX. DOM Functions
XXX. DOM XML Functions
XXXI. Error Handling and Logging Functions
XXXII. Exif Functions
XXXIII. File Alteration Monitor Functions
XXXIV. filePro Functions
XXXV. Filesystem file system functions
XXXVI. Firebird/InterBase Functions
XXXVII. Firebird/Interbase Functions (PDO_FIREBIRD)
XXXVIII. Forms Data Format Functions
XXXIX. FriBiDi Functions
XL. FrontBase Functions
XLI. FTP functions
XLII. Function Handling Functions
XLIII.Gettext
XLIV. GMP Functions
XLV. GNU Readline
XLVI. GNU Recode Functions
XLVII. HTTP functions
XLVIII. Hyperwave API Functions
XLIX.Hyperwave Functions
L. IBM DB2, Cloudscape and Apache Derby Functions
LI. ICAP Functions [deprecated]
LII. iconv Functions
LIII. ID3 Functions
LIV. IIS Administration Functions
LV. Image image function
LVI. IMAP, POP3 and NNTP Functions
LVII. Informix Functions
LVIII. Ingres II Functions
LIX. IRC Gateway Functions
LX. KADM5
LXI. LDAP Functions
LXII. libxml Functions
LXIII. Lotus Notes Functions
LXIV. LZF Functions
LXV.Mail Functions
LXVI. mailparse Functions
LXVII. Math mathematical function
LXVIII. MaxDB PHP Extension
LXIX. MCAL Functions
LXX. Mcrypt Encryption Functions
LXXI. MCVE Payment Functions
LXXII. Memcache Functions
LXXIII. Mhash Functions
LXXIV. Microsoft SQL Server and Sybase Functions (PDO_DBLIB)
LXXV. Microsoft SQL Server Functions
LXXVI. Mimetype Functions
LXXVII. Ming functions for Flash
LXXVIII. Miscellaneous Functions
LXXIX. mnoGoSearch Functions
LXXX. Mohawk Software Session Handler Functions
LXXXI. mSQL Functions
LXXXII. Multibyte String Functions
LXXXIII. muscat Functions
LXXXIV. MySQL functions
LXXXV. MySQL Functions (PDO_MYSQL)
LXXXVI. MySQL Improved Extension
LXXXVII. Ncurses Terminal Screen Control Functions
LXXXVIII. Network Functions
LXXXIX.Net_Gopher
XC. NSAPI-specific Functions
XCI. Object Aggregation/Composition Functions
XCII. Object property and method call overloading
XCIII. ODBC and DB2 functions (PDO_ODBC)
XCIV. ODBC Functions (Unified)
XCV.oggvorbis
XCVI. OpenAL Audio Bindings
XCVII. OpenSSL Functions
XCVIII. Oracle functions
XCIX. Oracle Functions (PDO_OCI)
C. Oracle functions (deprecated)
CI. Output Control output control function
CII. Ovrimos SQL Functions
CIII. Paradox File Access
CIV. Parsekit Functions
CV. PDF functions
CVI. PDO Functions
CVII. PHP/Java Integration
CVIII. PHP bytecode Compiler
CIX. PHP Options&Information
CX. POSIX Functions
CXI. PostgreSQL database functions
CXII. PostgreSQL Functions (PDO_PGSQL)
CXIII. PostgreSQL Session Save Handler
CXIV. PostScript document creation
CXV. Printer Functions
CXVI. Process Control Functions
CXVII. Program Execution Functions
CXVIII. Pspell Functions
CXIX. qtdom Functions
CXX.Radius
CXXI. Rar Functions
CXXII. Perl compatible regular expression functions
CXXIII. POSIX extended regular expression functions
CXXIV. runkit Functions
CXXV. SDO Functions
CXXVI. SDO Relational Data Access Service Functions
CXXVII. SDO XML Data Access Service Functions
CXXVIII. Secure Shell2 Functions
CXXIX. Semaphore, Shared Memory and IPC Functions
CXXX. SESAM Database Functions
CXXXI.Session Handling Functions
CXXXII. Shared Memory Functions
CXXXIII. Shockwave Flash Functions
CXXXIV. SimpleXML functions
CXXXV. SNMP functions
CXXXVI. SOAP Functions
CXXXVII. Socket Functions
CXXXVIII. SQLite Functions
CXXXIX. SQLite Functions (PDO_SQLITE)
CXL. Standard PHP Library (SPL) Functions
CXLI.Stream Functions
CXLII. String string processing function
CXLIII. Sybase Functions
CXLIV. TCP Wrappers Functions
CXLV. Tidy Functions
CXLVI. Tokenizer Functions
CXLVII. Unicode Functions
CXLVIII.URL function
CXLIX. Variable variable function
CL. Verisign Payflow Pro Functions
CLI. vpopmail Functions
CLII. W32api function
CLIII. WDDX Functions
CLIV. xattr Functions
CLV. xdiff Functions
CLVI. XML syntax parsing function
CLVII. XML-RPC functions
CLVIII. XMLReader functions
CLIX.XSL functions
CLX. XSLT Functions
CLXI. YAZ Functions
CLXII. YP/NIS Functions
CLXIII. Zip File Functions (Read Only Access)
CLXIV. Zlib Compression Functions
VII. PHP and Zend engine internal information
44. PHP Extension Library Programming API Guide
45. Zend API: Going deep into the core of PHP
46. Extending PHP 3
VIII. FAQ: Frequently Asked Questions
47. General information
48. Mailing list
49. Get PHP
50. Database issues
51. Installation FAQ
52. Compilation issues
53. Using PHP
54. PHP and HTML
55. PHP and COM
56. PHP and other languages
57. Migrating from PHP/FI 2 to PHP 3
58. Porting from PHP 3 to PHP 4
59. Porting from PHP 4 to PHP 5
60. Miscellaneous questions
IX. Appendix
A. History of PHP and related projects
B. Porting from PHP 4 to PHP 5
C. Porting from PHP 3 to PHP 4
D. Migrating from PHP/FI 2 to PHP 3
E. Debugging of PHP
F. Configuration options
G. php.ini configuration options
H. Extension library classification
I. Function alias list
J. Reserved word list
K. Resource type list
L. Supported protocol/encapsulation protocol list
M. List of available filters
N. List of supported socket transports (Socket Transports)
O. PHP type comparison table
P. List of parser codenames
Q. About this manual
R. Open Publishing License
S. Function index
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