PHP Error and Logging Functions
PHP Error and Logging Introduction
The error and logging functions allows error handling and logging.
The error functions allow users to define error handling rules, and modify
the way the errors can be logged.
The logging functions allow users to log applications and send log messages
to email, system logs or other machines.
Installation
The error and logging functions are part of the PHP core. There is no installation needed
to use these functions.
PHP Error and Logging Functions
PHP: indicates the earliest version of PHP that supports the
function.
PHP Error and Logging Constants
PHP: indicates the earliest version of PHP that supports the
constant.
| Value |
Constant |
Description |
PHP |
| 1 |
E_ERROR |
Fatal run-time errors. Errors that cannot be recovered from. Execution of the script is halted |
|
| 2 |
E_WARNING |
Non-fatal run-time errors. Execution of the script is not halted |
|
| 4 |
E_PARSE |
Compile-time parse errors. Parse errors should only be generated by the parser |
|
| 8 |
E_NOTICE |
Run-time notices. The script found something that might be an error, but could also happen when running a script normally |
|
| 16 |
E_CORE_ERROR |
Fatal errors at PHP startup. This is like an E_ERROR in the PHP core |
4 |
| 32 |
E_CORE_WARNING |
Non-fatal errors at PHP startup. This is like an E_WARNING in the PHP core |
4 |
| 64 |
E_COMPILE_ERROR |
Fatal compile-time errors. This is like an E_ERROR generated by the Zend Scripting Engine |
4 |
| 128 |
E_COMPILE_WARNING |
Non-fatal compile-time errors. This is like an E_WARNING generated by the Zend Scripting Engine |
4 |
| 256 |
E_USER_ERROR |
Fatal user-generated error. This is like an E_ERROR set by the programmer using the PHP function trigger_error() |
4 |
| 512 |
E_USER_WARNING |
Non-fatal user-generated warning. This is like an E_WARNING set by the programmer using the PHP function trigger_error() |
4 |
| 1024 |
E_USER_NOTICE |
User-generated notice. This is like an E_NOTICE set by the programmer using the PHP function trigger_error() |
4 |
| 2048 |
E_STRICT |
Run-time notices. PHP suggest changes to your code to help interoperability and compatibility of the code |
5 |
| 4096 |
E_RECOVERABLE_ERROR |
Catchable fatal error. This is like an E_ERROR but can be caught by a user defined handle (see also set_error_handler()) |
5 |
| 8191 |
E_ALL |
All errors and warnings, except of level E_STRICT |
5 |
Need an easy way to get data into XML, or transform XML to another format?
MapForce lets you map XML data to/from any combination of XML, database, flat file, Excel 2007, XBRL, or Web services data.
Then it transforms data instantly or auto-generates royalty-free data integration code for recurrent conversions.
New features in Version 2010!
Download a free, fully functional 30-day trial to experience the following features:
- Easy-to-use, graphical data mapping interface
- Instant data transformation
- XSLT 1.0/2.0 and XQuery code generation
- Java, C#, and C++ code generation
- Advanced data processing functions
- Support for all major relational databases including SQL Server, IBM DB2, Oracle, and more
- Visual Studio & Eclipse integration
Download a fully-functional trial today!
|
|
|
|
