--TEST-- Test nullsafe property in special functions --FILE-- getMessage()); } } function foo() {} $foo = null; dump_error(fn() => strlen($foo?->foo())); dump_error(fn() => is_null($foo?->foo())); dump_error(fn() => is_bool($foo?->foo())); dump_error(fn() => is_int($foo?->foo())); dump_error(fn() => is_scalar($foo?->foo())); dump_error(fn() => boolval($foo?->foo())); dump_error(fn() => defined($foo?->foo())); dump_error(fn() => chr($foo?->foo())); dump_error(fn() => ord($foo?->foo())); dump_error(fn() => call_user_func_array($foo?->foo(), [])); dump_error(fn() => call_user_func_array('foo', $foo?->foo())); dump_error(fn() => get_class($foo?->foo())); dump_error(fn() => get_called_class($foo?->foo())); dump_error(fn() => gettype($foo?->foo())); dump_error(fn() => func_num_args($foo?->foo())); dump_error(fn() => func_get_args($foo?->foo())); dump_error(fn() => array_slice($foo?->foo(), 0)); dump_error(fn() => array_slice(['foo'], $foo?->foo())); dump_error(fn() => array_slice(['foo'], 0, $foo?->foo())); dump_error(fn() => array_key_exists($foo?->foo(), [])); dump_error(fn() => array_key_exists('foo', $foo?->foo())); ?> --EXPECTF-- Deprecated: strlen(): Passing null to parameter #1 ($string) of type string is deprecated in %s on line %d int(0) bool(true) bool(false) bool(false) bool(false) bool(false) Deprecated: defined(): Passing null to parameter #1 ($constant_name) of type string is deprecated in %s on line %d bool(false) Deprecated: chr(): Passing null to parameter #1 ($codepoint) of type int is deprecated in %s on line %d string(1) "%s" Deprecated: ord(): Passing null to parameter #1 ($character) of type string is deprecated in %s on line %d int(0) string(98) "call_user_func_array(): Argument #1 ($callback) must be a valid callback, no array or string given" string(77) "call_user_func_array(): Argument #2 ($args) must be of type array, null given" string(69) "get_class(): Argument #1 ($object) must be of type object, null given" string(55) "get_called_class() expects exactly 0 arguments, 1 given" string(4) "NULL" string(52) "func_num_args() expects exactly 0 arguments, 1 given" string(52) "func_get_args() expects exactly 0 arguments, 1 given" string(69) "array_slice(): Argument #1 ($array) must be of type array, null given" Deprecated: array_slice(): Passing null to parameter #2 ($offset) of type int is deprecated in %s on line %d array(1) { [0]=> string(3) "foo" } array(1) { [0]=> string(3) "foo" } bool(false) string(74) "array_key_exists(): Argument #2 ($array) must be of type array, null given"