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<?php $data[] = null; $data[] = 0; $data[] = 1; $data[] = true; $data[] = false; foreach($data as $value) { $result = is_null($value); echo ("is_null ( " . var_export($value, true) . " ) = " . var_export(is_null($value), true). " \n");}
Output for git.master, git.master_jit, rfc.property-hooks
is_null ( NULL ) = true is_null ( 0 ) = false is_null ( 1 ) = false is_null ( true ) = false is_null ( false ) = false

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