Two Ways to Refer to Strings in PHP (Must Read)

As shown below:

function setName(obj) {
   obj.ok = "ccccccc";
}
function aa() {
   var name = new String("hechangmin");
   name.ok = "sdf"; //The first method
   //  String.prototype.ok = "aaaaa"; //The second method
   alert(name.ok); // aaaaa
   setName(name);
   alert(name.ok); // ccccccc
}

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