Usage of the PHP configuration function ini_get () _ PHP Tutorial-php Tutorial

The usage of the PHP configuration function ini_get () is described in detail. Output: display_errors1register_globals0post_max_size8Mpost_max_size + 19PHP configuration function ini_get () is mainly used to obtain the configuration file, which can facilitate many operations. RatioOutput:

1. Display_errors = 1
2. Register_globals = 0
3. Post_max_size = 8 M
4. Post_max_size + 1 = 9

The PHP configuration function ini_get () is mainly used to obtain the configuration file, which facilitates many operations. For example, if you want to filter strings, but do not know whether magic_quotes_gpc is enabled, you can write a function like this:

 

  
/* String filter function */
  
Function stringFilter ($ str)
  
{
  
If (ini_get ('Magic _ quotes_gpc )')
  
{
  
Return $ str;
  
}
  
Else {
  
Return addslashes ($ str );
  
}
  
}
 

Of course, if you cannot know whether your global variables are enabled, you can also customize the following functions:

 

  
/* Variable detection function */
  
Function getGetVar ($ var)
  
{
  
If (ini_set ('register _ gobals '))
  
{
  
Return $ var;
  
}
  
Else {
  
Return $ _ GET ['var'];
  
}
  
}
 

Of course, you can use the PHP configuration function ini_get () for many purposes.

Export display_errors = 1 register_globals = 0 post_max_size = 8 M post_max_size + 1 = 9 PHP configuration function ini_get () is mainly used to obtain the configuration file, which can facilitate many operations. Than...