im/extend/utils/Str.php

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2023-09-26 18:09:46 +08:00
<?php
/* file: 字符串处理类
Created by wanghong<1204772286@qq.com>
Date: 2021-02-22 */
namespace utils;
class Str{
protected static $snakeCache = [];
protected static $camelCache = [];
protected static $studlyCache = [];
/**
* 检查字符串中是否包含某些字符串
* @param string $haystack
* @param string|array $needles
* @return bool
*/
public static function contains($haystack, $needles)
{
foreach ((array) $needles as $needle) {
if ($needle != '' && mb_strpos($haystack, $needle) !== false) {
return true;
}
}
return false;
}
/**
* 检查字符串是否以某些字符串结尾
*
* @param string $haystack
* @param string|array $needles
* @return bool
*/
public static function endsWith($haystack, $needles)
{
foreach ((array) $needles as $needle) {
if ((string) $needle === static::substr($haystack, -static::length($needle))) {
return true;
}
}
return false;
}
/**
* 检查字符串是否以某些字符串开头
*
* @param string $haystack
* @param string|array $needles
* @return bool
*/
public static function startsWith($haystack, $needles)
{
foreach ((array) $needles as $needle) {
if ($needle != '' && mb_strpos($haystack, $needle) === 0) {
return true;
}
}
return false;
}
/**
* 获取指定长度的随机字母数字组合的字符串
*
* @param int $length
* @return string
*/
public static function random($length = 16)
{
$pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
return static::substr(str_shuffle(str_repeat($pool, $length)), 0, $length);
}
/**
* 字符串转小写
*
* @param string $value
* @return string
*/
public static function lower($value)
{
return mb_strtolower($value, 'UTF-8');
}
/**
* 字符串转大写
*
* @param string $value
* @return string
*/
public static function upper($value)
{
return mb_strtoupper($value, 'UTF-8');
}
/**
* 获取字符串的长度
*
* @param string $value
* @return int
*/
public static function length($value)
{
return mb_strlen($value);
}
/**
* 截取字符串
*
* @param string $string
* @param int $start
* @param int|null $length
* @return string
*/
public static function substr($string, $start, $length = null)
{
return mb_substr($string, $start, $length, 'UTF-8');
}
/**
* 驼峰转下划线
*
* @param string $value
* @param string $delimiter
* @return string
*/
public static function snake($value, $delimiter = '_')
{
$key = $value;
if (isset(static::$snakeCache[$key][$delimiter])) {
return static::$snakeCache[$key][$delimiter];
}
if (!ctype_lower($value)) {
$value = preg_replace('/\s+/u', '', $value);
$value = static::lower(preg_replace('/(.)(?=[A-Z])/u', '$1' . $delimiter, $value));
}
return static::$snakeCache[$key][$delimiter] = $value;
}
/**
* 下划线转驼峰(首字母小写)
*
* @param string $value
* @return string
*/
public static function camel($value)
{
if (isset(static::$camelCache[$value])) {
return static::$camelCache[$value];
}
return static::$camelCache[$value] = lcfirst(static::studly($value));
}
/**
* 下划线转驼峰(首字母大写)
*
* @param string $value
* @return string
*/
public static function studly($value)
{
$key = $value;
if (isset(static::$studlyCache[$key])) {
return static::$studlyCache[$key];
}
$value = ucwords(str_replace(['-', '_'], ' ', $value));
return static::$studlyCache[$key] = str_replace(' ', '', $value);
}
/**
* 转为首字母大写的标题格式
*
* @param string $value
* @return string
*/
public static function title($value)
{
return mb_convert_case($value, MB_CASE_TITLE, 'UTF-8');
}
/*
在数组中取想要的值
$array -array 被取值的数组
$field -string 所取的字段
$is_str -boolean 返回字符串(默认)或数组
return string
*/
public static function array_to_string($array,$field,$is_str=true){
$arr=[];
foreach($array as $k => $v){
if($v[$field]){
$arr[]=$v[$field];
}
}
//$idArr = array_unique($idArr);
if($is_str){
return implode(',',$arr);
}else{
return $arr;
}
}
/*
密码生成规则
$password -string 要转化的字符串
return string
*/
public static function password_hash_tp($password)
{
return hash("md5", trim($password));
}
/*
字符串截取函数
$str -string 被截取的字符串
$start -int 起始位置
$length -int 截取长度
$charset -string 编码
$suffix -boolean $str的结尾拼接省略号默认true
return string
*/
public static function msubstr($str, $start, $length, $charset = "utf-8", $suffix = true)
{
if (strlen($str) / 3 > $length) {
if (function_exists("mb_substr")) {
if ($suffix == false) {
return mb_substr($str, $start, $length, $charset) . '&nbsp;...';
} else {
return mb_substr($str, $start, $length, $charset);
}
} elseif (function_exists('iconv_substr')) {
if ($suffix == false) {
return iconv_substr($str, $start, $length, $charset) . '&nbsp;...';
} else {
return iconv_substr($str, $start, $length, $charset);
}
}
$re['utf-8'] = "/[\x01-\x7f]|[\xc2-\xdf][\x80-\xbf]|[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xff][\x80-\xbf]{3}/";
$re['gb2312'] = "/[\x01-\x7f]|[\xb0-\xf7][\xa0-\xfe]/";
$re['gbk'] = "/[\x01-\x7f]|[\x81-\xfe][\x40-\xfe]/";
$re['big5'] = "/[\x01-\x7f]|[\x81-\xfe]([\x40-\x7e]|\xa1-\xfe])/";
preg_match_all($re[$charset], $str, $match);
$slice = join("", array_slice($match[0], $start, $length));
if ($suffix) {
return $slice;
} else {
return $slice;
}
}
return $str;
}
/*
获取指定长度的随机字符串
$length 取值长度
return string
*/
public static function get_rand_char($length)
{
$str = null;
$strPol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";
$max = strlen($strPol) - 1;
for ($i = 0; $i < $length; $i++) {
$str .= $strPol[rand(0, $max)];//rand($min,$max)生成介于min和max两个数之间的一个随机整数
}
return $str;
}
/*
隐藏电话中间四位数
$num -string 电话号码
return string
*/
public static function hide_phone($num)
{
return substr($num, 0, 3) . '****' . substr($num, 7);
}
/*
匹配特殊字符
$word -string 匹配特殊字符
*/
public static function match_special_str($word)
{
if (preg_match("/[\'.,:;*?~`!@#$%^&+=<>{}]|\]|\[|\/|\\\|\"|\|/", $word)) {
//不允许特殊字符
return true;
} else {
return false;
}
}
// +----------------------------------------------------------------------
// 数据加密处理
// +----------------------------------------------------------------------
//id加密
public static function encryption($str)
{
$hash = config('hashids');
return hashids($hash['length'], $hash['salt'])->encode($str);
}
//id解密
public static function decrypt($str)
{
$hash = config('hashids');
return hashids($hash['length'], $hash['salt'])->decode($str);
}
//token加密
public static function encryptionToken($id)
{
$str = encryption($id);
$time = md5(strtotime(date('Y-m-d')));
$str = base64_encode($str . '-' . $time);
return $str;
}
//token解密
public static function decryptToken($str)
{
$str = base64_decode($str);
$arr = explode('-', $str);
$time = md5(strtotime(date('Y-m-d')));
if ($arr[1] != $time) {
return false;
}
return decrypt($arr[0]);
}
/* @param string $string 原文或者密文
* @param string $operation 操作(ENCODE | DECODE), 默认为 DECODE
* @param string $key 密钥
* @param int $expiry 密文有效期, 加密时候有效, 单位 0 为永久有效
* @return string 处理后的 原文或者 经过 base64_encode 处理后的密文
*
* @example
*
* $a = authcode('abc', 'ENCODE', 'key');
* $b = authcode($a, 'DECODE', 'key'); // $b(abc)
*
* $a = authcode('abc', 'ENCODE', 'key', 3600);
* $b = authcode('abc', 'DECODE', 'key'); // 在一个小时内,$b(abc),否则 $b 为空
*/
public static function authcode($string, $operation = 'DECODE', $key = '', $expiry = 3600) {
$ckey_length = 4;
// 随机密钥长度 取值 0-32;
// 加入随机密钥,可以令密文无任何规律,即便是原文和密钥完全相同,加密结果也会每次不同,增大破解难度。
// 取值越大,密文变动规律越大,密文变化 = 16 的 $ckey_length 次方
// 当此值为 0 时,则不产生随机密钥
$key = md5($key ? $key : 'default_key'); //这里可以填写默认key值
$keya = md5(substr($key, 0, 16));
$keyb = md5(substr($key, 16, 16));
$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : '';
$cryptkey = $keya.md5($keya.$keyc);
$key_length = strlen($cryptkey);
$string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string;
$string_length = strlen($string);
$result = '';
$box = range(0, 255);
$rndkey = array();
for($i = 0; $i <= 255; $i++) {
$rndkey[$i] = ord($cryptkey[$i % $key_length]);
}
for($j = $i = 0; $i < 256; $i++) {
$j = ($j + $box[$i] + $rndkey[$i]) % 256;
$tmp = $box[$i];
$box[$i] = $box[$j];
$box[$j] = $tmp;
}
for($a = $j = $i = 0; $i < $string_length; $i++) {
$a = ($a + 1) % 256;
$j = ($j + $box[$a]) % 256;
$tmp = $box[$a];
$box[$a] = $box[$j];
$box[$j] = $tmp;
$result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
}
if($operation == 'DECODE') {
if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) {
return substr($result, 26);
} else {
return '';
}
} else {
return $keyc.str_replace('=', '', base64_encode($result));
}
}
public static function ssoTokenEncode($str,$key='lvzhesso',$expire=0){
$ids=encryption($str);
return authcode($ids,"ENCODE",$key,$expire);
}
public static function ssoTokenDecode($str,$key='lvzhesso')
{
$ids=authcode($str,"DECODE",$key);
try{
return decrypt($ids);
}catch(\Exception $e){
return '';
}
}
/*
获取url中的主机名
$url -string
return string
*/
public static function getHost($url)
{
if(!preg_match('/http[s]:\/\/[\w.]+[\w\/]*[\w.]*\??[\w=&\+\%]*/is',$url)){
return '';
}
$search = '~^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?~i';
$url = trim($url);
preg_match_all($search, $url ,$rr);
return $rr[4][0];
}
/*
替换特殊字符
$url -string
return string
*/
public static function strFilter($str,$is_file=false){
$str = str_replace('`', '', $str);
$str = str_replace('·', '', $str);
$str = str_replace('~', '', $str);
$str = str_replace('!', '', $str);
$str = str_replace('', '', $str);
$str = str_replace('@', '', $str);
$str = str_replace('#', '', $str);
$str = str_replace('$', '', $str);
$str = str_replace('¥', '', $str);
$str = str_replace('%', '', $str);
$str = str_replace('……', '', $str);
$str = str_replace('&', '', $str);
$str = str_replace('*', '', $str);
$str = str_replace('(', '', $str);
$str = str_replace(')', '', $str);
$str = str_replace('', '', $str);
$str = str_replace('', '', $str);
$str = str_replace('-', '', $str);
$str = str_replace('_', '', $str);
$str = str_replace('——', '', $str);
$str = str_replace('+', '', $str);
$str = str_replace('=', '', $str);
$str = str_replace('|', '', $str);
$str = str_replace('\\', '', $str);
$str = str_replace('[', '', $str);
$str = str_replace(']', '', $str);
$str = str_replace('【', '', $str);
$str = str_replace('】', '', $str);
$str = str_replace('{', '', $str);
$str = str_replace('}', '', $str);
$str = str_replace(';', '', $str);
$str = str_replace('', '', $str);
$str = str_replace(':', '', $str);
$str = str_replace('', '', $str);
$str = str_replace('\'', '', $str);
$str = str_replace('"', '', $str);
$str = str_replace('“', '', $str);
$str = str_replace('”', '', $str);
$str = str_replace(',', '', $str);
$str = str_replace('', '', $str);
$str = str_replace('<', '', $str);
$str = str_replace('>', '', $str);
$str = str_replace('《', '', $str);
$str = str_replace('》', '', $str);
$str = str_replace('。', '', $str);
$str = str_replace('/', '', $str);
$str = str_replace('、', '', $str);
$str = str_replace('?', '', $str);
$str = str_replace('', '', $str);
if(!$is_file){
$str = str_replace('.', '', $str);
}
return trim($str);
}
/**
* 隐藏公司名或人名的中间部分
* @param string $str 需要处理的字符串
* @return string 处理后的字符串
*/
public static function maskString($str,$i=3) {
// 获取字符串长度
$len = self::get_string_length($str);
// 如果数组长度小于等于2则只将第二个字符替换为*
if ($len <= 1) {
return '******';
}elseif ($len == 2) {
return self::msubstr($str,0,1).'*';
} else {
return self::msubstr($str,0,$i).'******'.self::msubstr($str,-$i,$i);
}
}
/**
* 获取人名的最后一个字或者两个字
* @param string $str 需要处理的字符串
* @return string 处理后的字符串
*/
public static function getLastName($str,$i=1) {
// 获取字符串长度
$len = self::get_string_length($str);
// 如果数组长度小于等于2则只将第二个字符替换为*
if ($len < 2) {
return self::msubstr($str,0,1);
}else{
return self::msubstr($str,-$i,$i);
}
}
public static function get_string_length($str) {
// 将字符串转换为 UTF-8 编码
$str = mb_convert_encoding($str, 'UTF-8', mb_detect_encoding($str));
// 返回字符串的字符数
return mb_strlen($str);
}
// 提取身份证中的年龄和性别
public static function getIdforAG($str){
if(!$str){
return false;
}
// 先验证是否为身份证
if(!preg_match('/(^\d{15}$)|(^\d{17}([0-9]|X)$)/',$str)){
return false;
}
$length=strlen($str);
if($length==15){
$sexnum = substr($str,14,1);
$age = date('Y') - '19'.substr($str,6,2);
}else{
$sexnum = substr($str,16,1);
$age = date('Y') - substr($str,6,4);
}
return [
'gender'=>$sexnum%2==0 ? 0 : 1,
'age'=>$age
];
}
/**
* Universally Unique Identifier v4
*
* @param int $b
* @return UUID, if $b returns binary(16)
*/
public static function getUuid($b = null)
{
if (function_exists('uuid_create')) {
$uuid = uuid_create();
} else {
$uuid = sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x', mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xfff) | 0x4000, mt_rand(0, 0x3fff) | 0x8000, mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff));
}
return $b ? pack('H*', str_replace('-', '', $uuid)) : $uuid;
}
}