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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.
PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.
FAM monitors files and directories, notifying interested applications of changes. More information about FAM is available at http://oss.sgi.com/projects/fam/.
A PHP script may specify a list of files for FAM to monitor using the functions provided by this extension.
The FAM process is started when the first connection from any application to it is opened. It exits after all connections to it have been closed.
Note: This extension has been moved to the PECL repository and is no longer bundled with PHP as of PHP 5.1.0.
Note: This extension is not available on Windows platforms.
This extension uses the functions of the FAM library, developed by SGI. Therefore you have to download and install the FAM library.
To use PHP's FAM support you must compile PHP --with-fam[=DIR] where DIR is the
location of the directory containing the lib and include
directories.
This extension has no configuration directives defined in php.ini.
There are two resource types used in the FAM module. The first one is the connection to the FAM service returned by fam_open(), the second a monitoring resource returned by the fam_monitor_XXX functions.
The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.
Table 1. FAM event constants
| Constant | Description |
|---|---|
| FAMChanged (integer) | Some value which can be obtained with fstat(1) changed for a file or directory. |
| FAMDeleted (integer) | A file or directory was deleted or renamed. |
| FAMStartExecuting (integer) | An executable file started executing. |
| FAMStopExecuting (integer) | An executable file that was running finished. |
| FAMCreated (integer) | A file was created in a directory. |
| FAMMoved (integer) | This event never occurs. |
| FAMAcknowledge (integer) | An event in response to fam_cancel_monitor(). |
| FAMExists (integer) | An event upon request to monitor a file or directory. When a directory is monitored, an event for that directory and every file contained in that directory is issued. |
| FAMEndExist (integer) | Event after the last FAMEExists event. |
Another Useful functions:
ref.fam | function.fam-suspend-monitor | function.fam-resume-monitor | function.fam-pending | function.fam-open | function.fam-next-event | function.fam-monitor-file | function.fam-monitor-directory | function.fam-monitor-collection | function.fam-close | function.fam-cancel-monitor |
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.