Lines Matching refs:null
9 echo "*** Testing is_null() with valid null values ***\n";
10 // different valid null values
17 // unset them to make it null.
20 $null_var2 = null;
24 null,
36 null values, expected output: bool(true) */
43 echo "\n*** Testing is_bool() on non null values ***\n";
85 "null",
113 array(null),
123 is_null() on non null types, expected output: bool(false) */
135 var_dump( is_null(NULL, null) );
145 *** Testing is_null() with valid null values ***
169 *** Testing is_bool() on non null values ***
