An “easycom.ini” file is present on Windows machine (by default into: C:\Windows).
It contains the COMPILER_ID parameter into the PHP section, this ID depends on which compiler version was used to build your version of PHP.
During installation, the COMPILER_ID parameter has been set as following according to PHP version:
| 
   PHP version  | 
  
   COMPILER_ID value set into easycom.ini after installation  | 
  
   Others COMPILER_ID possible values  | 
 
| 
   5.3  | 
  
   VC9  | 
  
   6, 7, 8  | 
 
| 
   5.4  | 
  
   VC11  | 
  
   9, 10  | 
 
| 
   5.5  | 
  
   VC11  | 
  
   9, 10  | 
 
| 
   5.6  | 
  
   VC14  | 
  
   11  | 
 
| 
   7.0  | 
  
   VC14  | 
  
   11  | 
 
| 
   7.1  | 
  
   VC14  | 
  
   11  | 
 
| 
   7.2  | 
  
   VC15  | 
  
   14, 11  | 
 
| 
   7.3/7.4  | 
  
   VC15  | 
  
   
  | 
 
| 
   8.0 to 8.3  | 
  
   VS16  | 
  
   
  | 
 
| 
   8.4  | 
  
   VS16 (8.4.0 to 8.4.2) / VS17 (8.4.3 and up)  | 
  
   
  | 
 
Example for PHP 7.4:
[PHP]
COMPILER_ID=VC15
Example for PHP 8.3:
[PHP]
COMPILER_ID=VS16