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<!DOCTYPE html> <html> <body> <h2>Cast to NULL</h2> <pre> <?php $a = 5; // Integer $b = 5.34; // Float $c = "hello"; // String $d = true; // Boolean $e = NULL; // NULL $a = NULL; $b = NULL; $c = NULL; $d = NULL; $e = NULL; // Use var_dump() to verify the data type var_dump($a); var_dump($b); var_dump($c); var_dump($d); var_dump($e); ?> </pre> </body> </html>
Cast to NULL
NULL NULL NULL NULL NULL
