作业提交............

Original 2019-05-08 16:13:57 228
abstract:function sum($a,$b){ return $a+$b; }echo sum(1,2); //运算结果输出

function sum($a,$b)

{

return $a+$b;


}

echo sum(1,2); //运算结果输出










































































Correcting teacher:查无此人Correction time:2019-05-09 14:11:02
Teacher's summary:还可以吧。系统函数,我们创建的function,叫方法。继续加油

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