Checking for blank field doesn't work

[phplearner]

This is my test to try and check if a field has been left blank:

<?
$myfield = "";

echo "$myfield";
echo "<br>";

if ($myfield == " ") {
echo 'Field is empty';
} else {
echo 'Field is NOT empty';
}
?>

It doesn't seem to work correctly. Any ideas?

Thanks.

[WinterDragon]

try using trim(); to chop off any "white area" on the ends of the variable, so "This " or " This" or " This " would be turned into "This", then test and see if its blank... 🙂

[phplearner]

Thanks...I tried this:

$myfield = " ";

if (trim($myfield) == " ") {
echo 'Field is empty';
} else {
echo 'Field is NOT empty';
}

But I'm still not getting the correct response!

[WinterDragon]

<?php
$myfield = " "; 
$myfield = trim($myfield);
if (!$myfield) { 
echo 'Field is empty'; 
} else { 
echo 'Field is NOT empty'; 
} 

?>

Try trimming, then assigning it back to the same variable, then testing to see if its false.. like i did above: if(!$myfield) { }

Ok? I tested this code, and it does work. 🙂

[suntra]

Look...

if (trim($myfield) == " ") {

Wouldn't you see a space ?!

Must be :

if (trim($myfield) == "") {

[phplearner]

Umh, errr, ahhh... "Yup!"

Thank you, WinterDragon & suntra.

[cgraz]

The following should also work

if (!trim($myfield)) {

Cgraz