摘要：<?php/*练习*/$thief = '张三';/*$GLOBALS*/function aa() { $thief = $GLOBALS['thief']; return isset($thief) ? 'yes' : 'no';}echo aa();echo '&
<?php
/*练习*/
$thief = '张三';
/*$GLOBALS*/
function aa() {
$thief = $GLOBALS['thief'];
return isset($thief) ? 'yes' : 'no';
}
echo aa();
echo '<hr>';
/*global*/
function bb() {
global $thief;
return isset($thief) ? 'yes' : 'no';
}
echo bb();
echo "<hr>";
/*传参数*/
function cc($f) {
return isset($f) ? 'yes' : 'no';
}
echo cc($thief);
批改老师：灭绝师太批改时间：2019-01-06 16:45:45
老师总结：测试比较全面，知识点重在理解，用的不多但是需要掌握！
