syslog

    (PHP 4, PHP 5, PHP 7, PHP 8)

    syslog — Generate a system log message

    Descrição

    syslog(int$priority, string$message): true

    syslog() generates a log message that will be distributed by the system logger.

    For information on setting up a user defined log handler, see the syslog.conf(5) Unix manual page. More information on the syslog facilities and option can be found in the man pages for syslog(3) on Unix machines.

    Parâmetros

    priority

    priority is a combination of the facility and the level. Possible values are:

    syslog() Priorities (in descending order)
    ConstantDescription
    LOG_EMERGsystem is unusable
    LOG_ALERTaction must be taken immediately
    LOG_CRITcritical conditions
    LOG_ERRerror conditions
    LOG_WARNINGwarning conditions
    LOG_NOTICEnormal, but significant, condition
    LOG_INFOinformational message
    LOG_DEBUGdebug-level message
    message

    The message to send.

    Valor Retornado

    Sempre retorna true.

    Exemplos

    Exemplo #1 Using syslog()

    <?php
    // open syslog, include the process ID and also send
    // the log to standard error, and use a user defined
    // logging mechanism
    openlog("myScriptLog", LOG_PID | LOG_PERROR, LOG_LOCAL0);

    // some code

    if (authorized_client()) {
    // do something
    } else {
    // unauthorized client!

    Notas

    On Windows, the syslog service is emulated using the Event Log.

    Nota:

    Use of LOG_LOCAL0 through LOG_LOCAL7 for the facility parameter of openlog() is not available in Windows.

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