PHP Close Warning Problem Solving method, phpwarning_php tutorial

PHP off warning problem resolution, phpwarning

Error_reporting set the level of error message return

2047 I remember it was e_all.

There are many configuration settings in the php.ini file. You should have your own php.ini file set up and put it in the appropriate directory, as shown in the documentation for installing PHP and Apache 2 on Linux (see Resources). When debugging a PHP application, you should know two configuration variables. The following are the two variables and their default values:

Display_errors = Off
error_reporting = E_all

E_all can be from bad coding practices to harmless prompts to all information that goes wrong. E_all is a bit too thin for the development process because it shows hints on the screen for small things (such as variables not initialized), which can mess up the browser's output

So it is not recommended to use 2047, it is best to change the default value to: error_reporting = E_all & ~e_notice

Resolution of display_errors = off failure in php.ini

Problem:

PHP settings file php.ini has been set display_errors = Off, but during the run, the page will still appear error message.

Solve:

After checking log_errors= on, according to the official statement, when this log_errors is set to ON, then you must specify the Error_log file, if not specified or the specified file does not have permission to write, so will output to the normal output channel, then also makes the Display_ Errors this specified off fails, the error message is printed out. So the log_errors = Off, the problem is solved.

Often see error_reporting (7) straight meaning: Set the level of error message return.

Value constant
1 E_error
2 e_warning
4 E_parse
8 E_notice
E_core_error
E_core_warning
E_compile_error
E_compile_warning
E_user_error
E_user_warning
1024x768 E_user_notice
2047 E_all
2048 e_strict
However 7=1+2+4

It's just a mistake. 1 e_error 2 e_warning 4 e_parse

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