目录一、字符串连接方法1. 点号运算符（.）2. 连接赋值操作符（.=）3. 双引号字符串自动连接4. sprintf()函数5. implode()/join()函数二、变量插值方法1. 双引号字符串插值2. He
I want to find whether a point lies inside a rectangle or not. The rectangle can be oriented in any way, and need not be axis aligned.
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