abstrak：兩個整數(shù)相加的函數(shù)<?phpfunction one($number1, $number2) {return $number1 + $number2;}echo one(1,2);<?phpfunction one($number1, $number2) {return $number1 + $number2;}echo one(1,2);<?phpfunction one($n

兩個整數(shù)相加的函數(shù)

<?php

function one($number1, $number2) {

return $number1 + $number2;

}

echo one(1,2);

<?php

function one($number1, $number2) {

return $number1 + $number2;

}

echo one(1,2);

<?php

function one($number1, $number2) {

return $number1 + $number2;

}

echo one(1,2);

Guru membetulkan：西門大官人Masa pembetulan：2019-04-02 09:45:23
Rumusan guru：同樣的代碼怎么寫了三次？ 思考一下，如果在調(diào)用的時候echo one('a','b');你該如何處理？