PHP Log function Error_log

PHP built-in function to print log logs, which is very efficient for PHP program debugging

1. Configuration

Edit PHP.ini File

Log_errors = On

Setting the log log storage path

Error_log =/wwwroot/php_errors.log

2. Create Php_errogs.log

3. Assigning Permissions

Chmod-r 777 Php_errogs.log

4. Restart PHP-FPM

Service PHP Restart

5. Testing

Create a demo.php file

Error_log (' Test log log write '), $arr = Array (' a ' = ' = ' Test ', ' b ' = ' log write '); Error_log (Print_r ($arr, true));

　　

?

The contents of the file are as follows:

[14-sep-2016 08:04:07 UTC] Test log log Write

[14-sep-2016 08:05:45 UTC] Array

(

[A] = Test

[b] + = log Write

)

PHP Log function Error_log