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function removeLabel($input){ $ret=trim(strip_tags($input)); $ret=preg_replace(“/quot;/is”,””,$ret); $ret=preg_replace(“/nbsp;/is”,””,$ret); $ret=htmlspecialchars($ret); return $ret;}

function find_in_array($value, $array) { foreach($array as $item) { if(!is_array($item)) { if ($item == $value) { return true; } else { continue; } } if(in_array($value, $item)) { return true; } else if(deep_in_array($value, $item)) { retur

?phpclass Mysql{//数据库连接返回值private $conn;/*** [构造函数,返回值给$conn]* @param [string] $hostname [主机名]* @param [string] $username[用户名]* @param [string] $password[密码]* @param [string] $dbname[数据库

?php/** * 发送post请求 * @param string $url 请求地址 * @param array $post_data post键值对数据 * @return string */function send_post($url, $post_data) { $postdata = http_build_query($post_data); $options = array( ‘http’ = array(

php 的strpos()函数是查找字符串在目标字符串中第一次出现的位置。如果查找失败,返回false。 strpos()函数的用法例子: ?phpecho strpos(“51开发网的网址:https://www.51dev.com”,”51dev”);?

?phpprint_r(shorturl(‘http://www.51dev.com’));function shorturl($input){$base32 = array(‘a’, ‘b’, ‘c’, ‘d’, ‘e’, ‘f’, ‘g’, ‘h’, ‘i’, ‘j’, ‘k’, ‘l’, ‘m’, ‘n’, ‘o’, ‘p’, ‘q’, ‘r’, ‘s’, ‘t’, ‘u’, ‘v’, ‘w’, ‘x’, ‘y’, ‘z’, ‘0’, ‘1’, ‘2’, ‘3’, ‘4

php 随机生成姓名代码 ?php/*** @param integer $sex 1 男 2 女 0 不限* @param string $x 固定姓* @param boolen $fx 是否加入复姓 true 是 false 否* @return array [‘x’ = ‘姓’, ‘m’ = ‘名’, ‘xm’ = ‘姓名’]*/function generat

?phpfunction file_get_contents_by_curl($url){$ch = curl_init();curl_setopt($ch, CURLOPT_URL,$url);curl_setopt($ch, CURLOPT_HEADER,0);curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);//禁止调用时就输出获取到的数据curl_setopt($ch, CUR

echo “今天:”.date(“Y-m-d”).”br”; echo “昨天:”.date(“Y-m-d”,strtotime(“-1 day”)), “br”; echo “明天:”.date(“Y-m-d”,strtotime(“+1 day”)). “br”; echo “一周后:”.date(“Y-m-d”,strtotime(“+1 week”)). “br”; echo “1周零2天8小时2秒后:”