PHP中return和echo的区别①

原文来自：https://blog.csdn.net/fjnjxr/article/details/52512991

使用.的输出

function show1(){
echo "hello,world";
}

function show2(){
return "hello,world";
}

echo "PHP7:".show1(); //hello,worldPHP7:
echo "<hr/>";
echo "PHP7:".show2(); //PHP7:hello,world
echo "<hr/>";

使用,的输出

function test1(){
echo "I want to learn haskell";
}
function test2(){
return "I want to learn NodeJS";
}
ECHO "hello:",test1();  //hello:I want't to learn haskell
echo "<hr />";
echo "hello:",test2();  //hello:I want't to learn NodeJS