about $_POST variables

[marconi8]

for instance i have in my php script about 100 variables, when i sumit the form i must to write in my php script this check

if(isset($POST(var_1))){$POST($var_1);}
if(isset($POST(var_2))){$POST($var_2);}
if(isset($POST(var_3))){$POST($var_3);}
if(isset($POST(var_4))){$POST($var_4);}
if(isset($POST(var_5))){$POST($var_5);}

but i dont want to write this long checking and now i want to write something like this

$vars=array('var_1','var_2');
foreach($vars as $element)
{
if(isset($POST[$element])){$vars=$POST[$element];}
$i++;
}


echo "<br>variable var_1 = $var_1";
echo "<br>variable var_2 = $var_2";


how to make this, or are any others solutions, this is no big problem, i only want to decrease my script size


big thanks for all who helps me !!!

[diego25]

Try this inside the foreach loop:

${'var'.$i}=$POST[$eleme
nt];}

Also, you have to initialize $i before the loop.

Diego

[marconi8]

REALY thanks for helping

$i=1;
$vars=array('var_1','login'); 
foreach($vars as $element) 
{ 
 ${"$element"}=$_POST[$element];
 $i++; 
} 

this method i see for the first time, where i can learn more about this method, i see that your method is normally workable but i want to know how php works if he use this method like
${"$element"}

---

how you think , it is good idea for getting posted variables like

$i=1;
$vars=array('var_1','login'); 
foreach($vars as $element) 
{ 
 ${"$element"}=$_POST[$element];
 $i++; 
} 

or not ?

[marconi8]

it is possible to use this method of getting posted vars trough
function

i have my main.php script

//begin - main.php

include("./lib/functionsPHP.php");

$vars=array('login','passw');
get_posted_vars($vars)

//end - main.php

//functionsPHP.php
function get_posted_vars($mArray)
{
$i=1;
foreach($mArray as $element)
{
${"$element"}=$_POST[$element];
$i++;
return ????????????????
}
}

//functionsPHP.php

i now that this is not return to main.php all posted variables, but only now trying to make this, maybe someone have any ideas

thanks for helping