php经常用到的函数
2022-07-18 本文已影响0人
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//身份证验证 start
function validation_filter_id_card($id_card){
if(strlen($id_card)==18){
return idcard_checksum18($id_card);
}elseif((strlen($id_card)==15)){
$id_card=idcard_15to18($id_card);
return idcard_checksum18($id_card);
}else{
return false;
}
}
// 计算身份证校验码，根据国家标准GB 11643-1999
function idcard_verify_number($idcard_base){
if(strlen($idcard_base)!=17){
return false;
}
//加权因子
$factor=array(7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2);
//校验码对应值
$verify_number_list=array('1','0','X','9','8','7','6','5','4','3','2');
$checksum=0;
for($i=0;$i<strlen($idcard_base);$i++){
$checksum += substr($idcard_base,$i,1) * $factor[$i];
}
$mod=$checksum % 11;
$verify_number=$verify_number_list[$mod];
return $verify_number;
}
// 将15位身份证升级到18位
function idcard_15to18($idcard){
if(strlen($idcard)!=15){
return false;
}else{
// 如果身份证顺序码是996 997 998 999，这些是为百岁以上老人的特殊编码
if(array_search(substr($idcard,12,3),array('996','997','998','999')) !== false){
$idcard=substr($idcard,0,6).'18'.substr($idcard,6,9);
}else{
$idcard=substr($idcard,0,6).'19'.substr($idcard,6,9);
}
}
$idcard=$idcard.idcard_verify_number($idcard);
return $idcard;
}
// 18位身份证校验码有效性检查
function idcard_checksum18($idcard){
if(strlen($idcard)!=18){
return false;
}
$idcard_base=substr($idcard,0,17);
if(idcard_verify_number($idcard_base)!=strtoupper(substr($idcard,17,1))){
return false;
}else{
return true;
}
}
//身份证验证 end
/**
* 获取一段字符串的长度
* 区分中文和英文
* 无论一个汉字还是一个英文字母都只算一个字符
* @param $str
* @param string $charset
*/
function strLength($str,$charset='utf-8'){
if($charset=='utf-8') $str = iconv('utf-8','gb2312',$str);
$num = strlen($str);
$cnNum = 0;
for($i=0;$i<$num;$i++){
if(ord(substr($str,$i+1,1))>127){
$cnNum++;
$i++;
}
}
$enNum = $num-($cnNum*2);
$number = ($enNum/2)+$cnNum;
return ceil($number);
}
/**
* php显示指定长度的字符串，超出长度以省略号(...)填补尾部显示
* @ str 字符串
* @ len 指定长度
**/
function cutSubstr($str,$len=30){
if (strlen($str)>$len) {
$str=substr($str,0,$len) . '...';
}
return $str;
}
// 过滤掉emoji表情
function filterEmoji($str)
{
$str = preg_replace_callback(
'/./u',
function (array $match) {
return strlen($match[0]) >= 4 ? '' : $match[0];
},
$str);
return $str;
}
/**
* 获取毫秒级时间戳
*/
function getMillisecond(){
list($t1, $t2) = explode(' ', microtime());
return (float)sprintf('%.0f',(floatval($t1)+floatval($t2))*1000);
}
/**
* 随机字符串生成
* @param int $len 生成的字符串长度
* @return string
*/
function sp_random_string($len = 6) {
$chars = 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", "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", "5", "6", "7", "8", "9"
);
$charsLen = count($chars) - 1;
shuffle($chars); // 将数组打乱
$output = "";
for ($i = 0; $i < $len; $i++) {
$output .= $chars[mt_rand(0, $charsLen)];
}
return $output;
}
/**
* 发送HTTP请求方法，目前只支持CURL发送请求
* @param string $url 请求URL
* @param array $param GET参数数组
* @param array $data POST的数据，GET请求时该参数无效
* @param string $method 请求方法GET/POST
* @return array 响应数据
*/
function httpCurl($url, $param, $data = '', $method = 'GET'){
$opts = array(
CURLOPT_TIMEOUT => 30,
CURLOPT_RETURNTRANSFER => 1,
CURLOPT_SSL_VERIFYPEER => false,
CURLOPT_SSL_VERIFYHOST => false,
);
/* 根据请求类型设置特定参数 */
$opts[CURLOPT_URL] = $url . '?' . http_build_query($param);
if(strtoupper($method) == 'POST'){
$opts[CURLOPT_POST] = 1;
$opts[CURLOPT_POSTFIELDS] = $data;
if(is_string($data)){ //发送JSON数据
$opts[CURLOPT_HTTPHEADER] = array(
'Content-Type: application/json; charset=utf-8',
'Content-Length: ' . strlen($data),
);
}
}
/* 初始化并执行curl请求 */
$ch = curl_init();
curl_setopt_array($ch, $opts);
$data = curl_exec($ch);
$error = curl_error($ch);
curl_close($ch);
return $data;
}
/**
*
* 中英混合字符串长度判断
* @param unknown_type $str
* @param unknown_type $charset
*/
function strLength($str, $charset = 'utf-8') {
if ($charset == 'utf-8')
$str = iconv ( 'utf-8', 'gb2312', $str );
$num = strlen ( $str );
$cnNum = 0;
for($i = 0; $i < $num; $i ++) {
if (ord ( substr ( $str, $i + 1, 1 ) ) > 127) {
$cnNum ++;
$i ++;
}
}
$enNum = $num - ($cnNum * 2);
$number = ($enNum / 2) + $cnNum;
return ceil ( $number );
}
/**
* Notes:
* User: wujiawei
* DateTime: 2022/7/26 20:01
* describe: 计算两个日期相差 年 月 日
* @param $date1
* @param $date2
* @return array
*/
function DiffDate($date1, $date2) {
if (strtotime($date1) > strtotime($date2)) {
$ymd = $date2;
$date2 = $date1;
$date1 = $ymd;
}
list($y1, $m1, $d1) = explode('-', $date1);
list($y2, $m2, $d2) = explode('-', $date2);
$y = $m = $d = $_m = 0;
$math = ($y2 - $y1) * 12 + $m2 - $m1;
$y = round($math / 12);
$m = intval($math % 12);
$d = (mktime(0, 0, 0, $m2, $d2, $y2) - mktime(0, 0, 0, $m2, $d1, $y2)) / 86400;
if ($d < 0) {
$m -= 1;
$d += date('j', mktime(0, 0, 0, $m2, 0, $y2));
}
$m < 0 && $y -= 1;
return array($y, $m, $d);
}
/**
* Notes:
* User: wujiawei
* DateTime: 2022/7/27 9:40
* describe: 根据身份证号获取年龄
* @param $idcard
* @return false|float|int|null
*/
function get_age($idcard)
{
if (empty($idcard)) return false;
# 获得出生年月日的时间戳
$date = strtotime(substr($idcard, 6, 8));
# 获得今日的时间戳
$today = strtotime('today');
# 得到两个日期相差的大体年数
$diff = floor(($today - $date) / 86400 / 365);
# strtotime加上这个年数后得到那日的时间戳后与今日的时间戳相比
$age = strtotime(substr($idcard, 6, 8) . ' +' . $diff . 'years') > $today ? ($diff + 1) : $diff;
return $age;
}
