51 lines
998 B
PHP
51 lines
998 B
PHP
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<?php
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declare(strict_types=1);
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namespace App\Helper;
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/**
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* 字符串助手类
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*
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* Class StringHelper
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* @package App\Helper
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*/
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class StringHelper
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{
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/**
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* 将字符串转换成二进制
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*
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* @param string $str
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* @return string
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*/
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public static function str2Bin(string $str): string
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{
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//列出每个字符
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$arr = preg_split('/(?<!^)(?!$)/u', $str);
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//unpack字符
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foreach ($arr as &$v) {
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$temp = unpack('H*', $v);
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$v = base_convert($temp[1], 16, 2);
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unset($temp);
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}
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return join(' ', $arr);
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}
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/**
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* 将二进制转换成字符串
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*
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* @param string $str
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* @return string
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*/
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public static function bin2Str(string $str): string
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{
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$arr = explode(' ', $str);
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foreach ($arr as &$v) {
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$v = pack('H' . strlen(base_convert($v, 2, 16)), base_convert($v, 2, 16));
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}
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return join('', $arr);
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}
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}
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