Manual do PHP
Anterior |  | Próxima

# XXVIII. File Alteration Monitor Functions

# Introdução

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.

> Nota: Esta extensão não está disponível na plataforma Windows.

# Dependências

This extension uses the functions of the FAM library, devoloped by SGI. Therefore you have to download and install the FAM library.

# Instalação

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.

# Configurações em execução

Esta extensão não define nenhum parâmetro de configuração no `php.ini`.

# Tipos Resource

## FAM resource

# Constantes pré-definidas

As contantes abaixo são definidas por esta extensão e somente estarão disponíveis quando a extensão foi compilada com o PHP ou carregada dinamicamente durante a execução.

Tabela 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.

Anterior | Principal | Próxima
user_error | Acima | fam_cancel_monitor