把字符串one,two,three,four 把逗号去掉,并每个单词首字母大写
$str = 'one,two,three,four';
$arrStr = explode(',', $str);
foreach($arrStr as $key=>$value){
$arrStr[$key] = ucfirst($value);
}
print_r($arrStr);
输入结果为:
Array( [0] => One [1] => Two [2] => Three [3] => Four)