Cakephp write custom log

Code:

CakeLog::config('customlog', array(

 'engine' => 'File',

 'path' => WWW_ROOT.'files/log/'

));

customlog - Logname

path - Yourself to set customize whatever you need

Code:

CakeLog::write('customlog', 'Log data');

To set the PHP error log location in php.ini directives

PHP error log location in php.ini file
Enable:
error_log = /path/filename
Disable
;error_log = /path/filename