Programming PHP, 2nd Edition

Name

error_log

Synopsis

int error_log(string message, int type[, string destination[, string headers]])

Records an error message to the web server’s error log, to an email address, or to a file. The first parameter is the message to log. The type is one of the following:

0	Message is sent to the PHP system log; the message is put into the file pointed at by the error_log configuration directive.
1	Message is sent to the email address destination. If specified, headers provides optional headers to use when creating the message (see mail for more information on the optional headers).
3	Appends message to the file destination.