PHP Knowledge Points Summary

Display_errors=on Open PHP error prompts, the line item should be set to off

error_reporting (e_all);//test page output error hint

ini_set (' display_errors ', TRUE)//Error output prompt, this page is valid, priority is higher than php.ini

ini_set (' display_startup_errors ', TRUE);//Run-time error on, development phase open
Date_default _timezone_set (' Europe/london ');/set time zone

php_eol newline character
Unix series \ r \
n
mac for
Windows family PHP can be replaced with Php_eol to improve code-level portability
PHP can use "," "." As connectors, different references: http://blog.csdn.net/xuz0917/article/details/50678243

Error_reporting
Set the level of error reporting, common error levels have a

value description
e_all display all error reports
E_error Show fatal errors that caused the script to end
E_ WARNING general warning, such as method obsolete
E_notice common variables not defined or array index undefined