120 lines
3.5 KiB
PHP
120 lines
3.5 KiB
PHP
<?php
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namespace App\Extend;
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use App\Constants\Common\VerifyTypeCode;
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class StringUtil
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{
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/**
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* 字符串是否有效
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* @param $str
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* @param $type
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* @return bool
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*/
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public static function isStrValid($str, $type)
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{
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$ret = false;
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switch ($type) {
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case VerifyTypeCode::HexString:
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$ret = preg_match('/^[0-9a-fA-F]*$/', $str);
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break;
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case VerifyTypeCode::LowHexString:
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$ret = preg_match('/^[0-9a-f]*$/', $str);
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break;
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case VerifyTypeCode::UpperHexString:
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$ret = preg_match('/^[0-9A-F]*$/', $str);
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break;
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case VerifyTypeCode::DigestString:
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$ret = preg_match('/^[0-9]*$/', $str);
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break;
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case VerifyTypeCode::AlphaString:
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$ret = preg_match('/^[a-zA-Z]*$/', $str);
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break;
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case VerifyTypeCode::AEnumString:
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$ret = preg_match('/^[a-zA-Z0-9]*$/', $str);
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break;
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case VerifyTypeCode::UinString:
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$ret = preg_match('/^[a-zA-Z0-9][a-zA-Z0-9_]*$/', $str);
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break;
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case VerifyTypeCode::EmailString:
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$ret = preg_match(
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'/^(\w)+(\.\w+)*(\w+)*@(\w)+((\.\w+)+)$/',
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$str
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);
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break;
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case VerifyTypeCode::MobileString:
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$ret = preg_match(
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'/^0?(10[0-9]|13[0-9]|15[0-9]|17[0-9]|18[0-9]|14[0-9]|16[0-9]|19[0-9])[0-9]{8}$/',
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$str
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);
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break;
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case VerifyTypeCode::TelString:
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$ret = preg_match('/^[0-9]{3,4}-[0-9]{7,8}$/', $str);
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break;
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default:
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return false;
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}
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return $ret;
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}
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/**
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* 生成随机字符串
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* @param int $length
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* @return string
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*/
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public static function randStr(int $length): string
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{
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$str = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
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'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
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't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D',
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'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
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'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
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'0', '1', '2', '3', '4', '5', '6', '7', '8', '9'];
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$keys = array_rand($str, $length);
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$password = '';
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for ($i = 0; $i < $length; $i++) {
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$password .= $str[$keys[$i]];
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}
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return str_shuffle($password);
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}
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/**
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* 生成 uuidV4
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* @return string
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*/
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public static function generateUUIDv4(): string
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{
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return sprintf(
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'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
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// 32位十六进制数: 8-4-4-4-12
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mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff),
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mt_rand(0, 0x0fff) | 0x4000,
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mt_rand(0, 0x3fff) | 0x8000,
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mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff)
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);
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}
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/**
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* @param $str
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* @param int $num
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* @return string
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*/
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public static function maskMiddleStrByNum($str,int $num) {
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$len = strlen($str);
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if ($len <= $num) {
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return str_repeat('*', $num);
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}
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$left_len = floor(($len - $num) / 2);
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$right_len = ($len - $num) - $left_len;
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$left = substr($str, 0, $left_len);
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$right = substr($str, -$right_len);
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return $left . '****' . $right;
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}
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} |