This class is meant to poll log files and take any newly added lines and send them to a given watcher e-mail address.
Although this class can be used to poll any type of log files, it was developed with the intention to overcome a limitation of the PHP error trapping system that is not able to capture certain types of errors like script parsing errors or file upload failures. Despite of this, these errors are sent to a log file if error logging is enabled in the PHP configuration.
The goal of this class is to capture the error messages sent to log files and send them by e-mail to a person responsible for a site, so any necessary action may be taken with minimal delay.
To use this class to watch the PHP error log, take the example script and adjust any values to match your PHP configuration.
For security reasons, in a production environment, you are strongly encouraged disable displaying PHP errors on Web pages and enable logging errors to a log file. A sample php.ini configuration file is provided to indicate which options should be set in a production environment.
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 Screenshots |
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| File |
Role |
Description |
  logwatcher.gif |
Screen |
Example of log watching message sent by the class |
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| Project record: |
logwatcher |
| Popularity score: |
72.71 |
| Vitality score: |
2.33 |
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| Ratings | Utility |
Consistency |
Documentation |
Examples |
Tests |
Videos |
Overall |
Rank |
| All time: |
Good (87.5%) |
Good (83.3%) |
Good (83.3%) |
Good (83.3%) |
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Sufficient (68.7%) |
253 |
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Not yet rated by the users |
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Packages needed by this class |
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| Class |
Dependency |
Why it is needed |
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| MIME E-mail message sending |
Optional |
When the mail delivery method is meant to replaced by the urgent mail function |
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Applications that use this class |
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No application links were specified for this class.
If you know an application of this package, send a message to the
author to add a link here.
| Link |
Description |
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| PHP error handling |
Documentation on the PHP manual about error handling and logging |
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Files |
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| File |
Role |
Description |
 error_handler.php |
Aux. |
Example of an error handler function that logs the error message, the file name, line number, function name, class name, including backtrace of all the function calls that lead to the line where the error occurred. |
 log_watcher_class.html |
Doc. |
Class documentation extracted from inline meta-document comments |
| log_watcher_class.php |
Class |
Log watcher class |
| php.ini |
Data |
Sample PHP configuration with options set for maximum logging security in a production environment |
| php_error_log.crontab |
Data |
Example of crontab line to execute the example log script to watch the PHP error log |
| test_log_watcher.php |
Example |
Example of how to setup the class to watch a given log file, e-mail the newly added lines, if any, and exit |
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