PHP에서 return 키워드의 역할(자세한 설명 포함)

<?php
echo &#39;锄禾日当午<br>&#39;;
return;//终止脚本执行
echo &#39;汗滴禾下土<br>&#39;;//不执行

<?php
echo &#39;锄禾日当午<br>&#39;;
require &#39;./test.php&#39;;    //包含文件
echo &#39;汗滴禾下土<br>&#39;;

<?php
echo &#39;aaa<br>&#39;;
return;   //只能中断test.php
echo &#39;bbb<br>&#39;;

锄禾日当午
aaa
汗滴禾下土

echo &#39;aaa<br>&#39;;
exit();  //die()
echo &#39;bbb<br>&#39;;

<?php
return array(&#39;name&#39;=>&#39;tom&#39;,&#39;sex&#39;=>&#39;男&#39;);

<?php
$stu=require &#39;./test.php&#39;;
print_r($stu);  //Array ( [name] => tom [sex] => 男 )

function fun() {
echo 'aaa';
return ;  //终止函数执行
echo 'bbb';
}
fun();   //aaa

function fun() {
return 10;  //返回值
}
echo fun();  //10