strtr ($str, array ('a' => '<replacement>'));或者更精确地回答您的问题：
strtr ("Hello, my name is Santa", array ('a' => '<replacement>'));
strtr ($str, array ('a' => '<replacement>'));或者更精确地回答您的问题：
strtr ("Hello, my name is Santa", array ('a' => '<replacement>'));名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
