题解 | #计算某字符出现次数#
计算某字符出现次数
http://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
<?php
for($i=0;$i<2;$i++){
$str[$i] = fgets(STDIN);
}
$arr = strtolower(trim($str[0]));
$char = strtolower(trim($str[1]));
echo substr_count($arr,$char)
?>