013+
014+ Fatal error: Uncaught ArgumentCountError: Too few arguments to function test_error_handler(), 4 passed and exactly 5 expected in /home/travis/build/nikic/php-src/ext/mbstring/tests/common.inc:7
013- ERR: Warning
014- bool(false)
015+ Stack trace:
016+ #0 [internal function]: test_error_handler(2, 'mb_substitute_c...', '/home/travis/bu...', 24)
017+ #1 %s/mb_substitute_character.php(24): mb_substitute_character(0)
018+ #2 {main}
019+ thrown in /home/travis/build/nikic/php-src/ext/mbstring/tests/common.inc on line 7