code to check an email, when submitted

<?
//email_check.php

function emailcheck($intext) {
$theresults = ereg("^[^@ ]+@[^@ ]+\.[^@ \.]+$", $intext, $trashed);
if ($theresults) { $echeck = "yes"; } else { $echeck = "no"; }
}
?>

this checks its in the

you@you.com

format.

so if i say

?
include("email_check.php");
emailcheck($email);
if ($echeck == "yes")
{
echo "yes";
} else {
echo "no";
}
?>

it should return yes if its a propper email and no if it aint,

it does not do this, HELP!!!!

i think u havent understood concept of function.

the variable in function are limited to use within function only unless u have defined them global.

so here $echeck is existing onlytill function executes then it expires.

here u would like to use the return value. that would be better.

so tweak ur code like this./

<?
//email_check.php

function emailcheck($intext) {
$theresults = ereg("^[^@ ]+@[^@ ]+.[^@ .]+$", $intext, $trashed);
if ($theresults) { return true;} else { return false; }// u would like to use boolean value for such use. dont u ??
}
?>

and in ur script

?
include("email_check.php");
if( emailcheck($email))
{
echo "yes";
}
else {
echo "no";
}

and yeah a more comprehensive email vaildating syntax can be found here (http://www.php.net/manual/en/function.ereg.php). check out the user comments.

hope it helps,
jd