
演示
Serendipity是一个采用PHP实现的智能博客BLOG系统,Serendipity功能丰富,符合标准,基于BSDLicense开源。 Serendipity 2.1.3 更新日志:2018-08-16 *安全性:确保RSS的管理员配置和博客条目限制被解析为SQL查询的整数; *安全性:在“编辑条目”面板中防止XSS可能性; *安全性:禁止向多个人发送评论通知和邮件地址;这可用于批
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<?php
$str = "welcome to tutorials point";
$str = str_replace(" ","",$str);
$arr = str_split($str);
foreach ($arr as $key =>$val){
if (!isset($output[$val])){
$output[$val] = 1;
}
else{
$output[$val] += 1;
}
}
foreach($output as $char =>$number){
echo $char." ".'appears '. $number." ".'times'."</p><p>";
}
?>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
以上就是在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的详细内容,更多请关注php中文网其它相关文章!
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