Please note, this is a STATIC archive of website www.w3schools.com from 05 May 2020, cach3.com does not collect or store any user information, there is no "phishing" involved.
Disabled
×
Change Orientation
Please note, this is a STATIC archive of website www.w3schools.com from 05 May 2020, cach3.com does not collect or store any user information, there is no "phishing" involved.
"; $b = null; echo "b is " . is_null($b) . "
"; $c = "null"; echo "c is " . is_null($c) . "
"; $d = NULL; echo "d is " . is_null($d) . "
"; ?>
×
Report a Problem:
Your E-mail:
Page address:
Description:
Disabled