是随便定义的函数吗？

Question

我可以不写say(),可以写aa()吗？

Answer 1

Is it a randomly defined function? -PHP Chinese website Q&A-Is it a casually defined function? -PHP Chinese website Q&A

Please watch and learn.

Answer 2

可以，例如

function aa(){.......}

function say(){.......}

但是请注意不要用系统关键字来命名函数名