一个英文语句怎样把它的每个单词的字母顺序颠倒而单词顺序不变?
php面试题说明 :
例如:my name is fanglor =》 ym eman si orlgnaf
php面试题的答案:
复制代码 代码如下:
function restr ($str)
{
$str1 = explode (' ',$str);
$str2 = '';
$temp = '';
for ($i=0;$i{
$str2 .= $temp.strrev ($str1[$i]);
$temp = ' ';
}
return $str2;
}
测试代码:
复制代码 代码如下:
$str = "my name is fanglor ";
echo restr ($str);
打印结果:
ym eman si rolgnaf
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