php中echo和return之间的区别? [英] Difference between echo and return in php?

问题描述

这让我感到困惑，函数中的echo和return之间有什么区别

This so confusing me ,What is the difference between the echo and return, in functions

推荐答案

echo将内容输出到控制台或Web浏览器.

echo outputs content to the console or the web browser.

示例:

echo "Hey, this is now showing up on your screen!";

---

return在函数或方法的末尾返回一个值.

---

return returns a value at the end of a function or method.

示例:

function my_function()
{
    return "Always returns this";
}

echo my_function(); // displays "Always returns this"

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