Introduction to ini_get function usage in php

The ini_set function is introduced in the previous article. ini_get is the opposite of ini_set, which is used to retrieve php. the value of the environment variable in the INI file. syntax: the ini_set function is introduced in the previous article. ini_get is the opposite of ini_set, which is used to retrieve php. the value of the environment variable in the INI file.
Syntax:
String ini_get (string varname)
The return value is 0 or 1 if it is Boolean.
Reference content is as follows:
Echo 'display _ errors = '. ini_get ('display _ errors'). "\ n ";
Echo 'register _ globals = '. ini_get ('register _ globals'). "\ n ";
Echo 'post _ max_size = '. ini_get ('post _ max_size'). "\ n ";
Echo 'post _ max_size + 1 = '. (ini_get ('post _ max_size') + 1). "\ n ";
Echo 'post _ max_size in bytes = '. return_bytes (ini_get ('post _ max_size '));
?>

If you want to obtain the variable value in the entire php. ini file, use the ini_get enhancement function ini_get_all ()
The ini_get_all () function returns the entire php environment variable in the form of an array.
Easy to use
Reference content is as follows:
$ Ini = ini_get_all ();
Print_r ($ ini );
?>
Of course, it is more convenient to use phpinfo () for php configuration information.