有人能帮我把这个javascript函数转换成php吗?var t='[{"id_page":14,"in_visible":1,"in_insert":1,"in_update":1}]'; return s.split("").reduce( return a = (a << 5) - a + b.charCodeAt(0), a & a
}, 0
我正在通过工作。A borrow occurs in the subtraction a - b when b is larger than a as unsigned numbers. Computer hardware can detect a borrow in subtraction by looking at whether a carry occurred in the corresponding addition. If there is no carry in the addition, then there is a borrow in the subtrac