在PHP中编写一个程序,用于查找一个字符在字符串中出现的次数

wufei123 发布于 2023-08-21 阅读(1137)

在PHP中编写一个程序,用于查找一个字符在字符串中出现的次数


$val){ if (!isset($output[$val])){ $output[$val] = 1; } else{ $output[$val] += 1; } } foreach($output as $char =>$number){ echo $char." ".'appears '. $number." ".'times'."


"; } ?>

Output

1

2

3

4

5

6

7

8

9

10

11

12

13

14

w appears 1 times

e appears 2 times

l appears 2 times

c appears 1 times

o appears 4 times

m appears 1 times

t appears 4 times

u appears 1 times

r appears 1 times

i appears 2 times

a appears 1 times

s appears 1 times

p appears 1 times

n appears 1 times


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