Question

there are function a and function b in test.php,which will be called by the parameter of “act” in $_GET,and it have a default value if there is no value of “act”

<?php
   if(isset($_GET['act'])&&$_GET['act']){
     $act=$_GET['act'];
   }else{
     $act='a';
   }
   function a(){
    echo('this is a');      
   }
   function b(){
        echo('this is b');
  }
   $act();
?>

if i run the code below,it will call function a and function b in test.php,

<?php
   include ("test.php");
   b();
?>

how can it just call function b only? i don’t want to change the default value of “act”,because it will be used by other system
thanks

Answer 1

you may define some variable/constant inside the included file, and when it exists, don’t call $act()

<?php
   if(isset($_GET['act'])
       &&
      $_GET['act'] 
       && 
      in_array($_GET['act'],array('a','b'))
   ){
     $act=$_GET['act'];
   }else{
     $act='a';
   }
   function a(){
    echo('this is a');      
   }
   function b(){
        echo('this is b');
  }
   if(!defined('FOO')){
     $act();
   }
?>

…….

<?php
   if(!defined('FOO')){
     define('FOO',true);
   }

   include ("test.php");
   b();
?>