PHP Set Variable if Empty?

Solution:

= means assignment, while== means comparison.

Another way to test if the$text is empty:

$text = $_GET['text'];
    if (empty($text)){
       $text = 'hello';
    }
echo $text;
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or directly

if(!isset($_GET['text'])) {
  ...
}
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Solution:

if ($text = ''){
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This is an affectationassignment, not a test.

if ($text == ''){ // should work :-)
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Solution:

You did a tiny little mistake ;-)

If you want to compare things you need to use two equality signs. Otherwise it is a assignment.

if($text == '') {
    $text = 'name';
}
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The assignment is always true since there is no problem writing a string to $text

Solution:

Use == operator for comparision...