Version: 1
Type: Full Script
Category: Algorithms
License: Other
Description: Check if the entered email address is valid or not.
<?
function disp_header()
{
global $PHP_SELF;
?>
<form method=post action=<?echo$PHP_SELF?>>
<input type=hidden name=sub value="ok">
Enter Email address <br>
<input type=text name=EMAIL size="20" value=<?echo$EMAIL?>>
<input type=submit name=submit value=Check>
</form>
<?
}
if (empty($sub))
{
disp_header();
}
elseif ($sub == "ok")
{
$CHECK= strstr ($EMAIL, '@');
$CHECK1= strstr ($CHECK, '.');
list( $name, $host) = split( '[@]', $EMAIL );
list( $host1, $host2, $host3) = split( '[.]', $host);
if ( ( ereg( "([~!#$%^&*])", $EMAIL)) || (!$CHECK) || ($CHECK == "@") ||
(!$CHECK1) || ( ereg( "([@])", $name)) || ($host1== "") )
{
print "$EMAIL not valid Email Addressn"."<br>n";
}
else
{
if ($name == "")
{
print "Entered email address <$EMAIL> is wrongn";
}
else
{
Print "valid email address $EMAIL";
}
}
}
?>
