"false" is a keyword, same as "true" and "null".
This tiny script:
<?php
session_start();
$ineligibleFlag = FALSE;
This assigns $ineligibleFlag the boolean value of 0 or "false"
if ( $ineligibleFlag === FALSE ) echo 'it is false<br />';
This tests to see if $inelegibleFlag is boolean and false (triple equals
requires type and value to match), which is exactly what you just
assigned it to, so you get a match.
Try assigning $ineligibleFlag = 0, or '0' , or '' (empty string) and see
the various results you get.
$_SESSION['ineligibleFlag'] = FALSE;
print_r( $_SESSION );
produces this output:
it is false
Array ( [ineligibleFlag] => )
The docs tell me that sessions can handle everything that can be
serialized, and that serialize can handle everything but resources,
and that I shouldn't define resource constants. But FALSE is not a
resource that I know of, and so none of that explains (that I can see,
anyway) why the session can't hold this value. I can easily work
around this, but I'd like to understand it as well.
Michael Southwell, Vice President for Education
New York PHP
http://www.nyphp.com/training - In-depth PHP Training Courses
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--
Kenneth Downs
Secure Data Software, Inc.
www.secdat.com www.andromeda-project.org
631-689-7200 Fax: 631-689-0527
cell: 631-379-0010
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