PHP解密Unicode及Escape加密字符串
PHP解密Unicode及Escape加密字符串
在json中不支持中文,用它传送中文数据就会出现数据丢失或者乱码,必须在传送前对要发送的字符串进行编码,由于传送过去需要用js进行数据解析,考虑 到js中有unescape函数,故若在php中有个escape函数,对数据进行编码,在客户端用unescape进行 解码,这样就会方便很多。
本文给大家分享一个PHP解密Unicode及Escape加密字符串函数
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function uni_decode($s) { preg_match_all('/\&\#([0-9]{2,5})\;/', $s, $html_uni); preg_match_all('/[\\\%]u([0-9a-f]{4})/ie', $s, $js_uni); $source = array_merge($html_uni[0], $js_uni[0]); $js = array(); for($i=0;$i $js[] = hexdec($js_uni[1][$i]); } $utf8 = array_merge($html_uni[1], $js); $code = $s; for($j=0;$j $code = str_replace($source[$j], unicode2utf8($utf8[$j]), $code); } return $code;//$s;//preg_replace('/\\\u([0-9a-f]{4})/ie', "chr(hexdec('\\1'))", $s); } function unicode2utf8($c) { $str=""; if ($c
$str.=chr($c); } else if ($c
$str.=chr(0xc0 | $c>>6); $str.=chr(0x80 | $c & 0x3f); } else if ($c
$str.=chr(0xe0 | $c>>12); $str.=chr(0x80 | $c>>6 & 0x3f); $str.=chr(0x80 | $c & 0x3f); } else if ($c
$str.=chr(0xf0 | $c>>18); $str.=chr(0x80 | $c>>12 & 0x3f); $str.=chr(0x80 | $c>>6 & 0x3f); $str.=chr(0x80 | $c & 0x3f); } return $str; } $str='%u5927%u5BB6%u597D%uFF0C我是孤魂! echo uni_decode($str); // 大家好,我是孤魂!这是测试文本! |
在网上搜索一把,很多用php实现的escape函数,大同小异
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function phpescape($str){ preg_match_all("/[\x80-\xff].|[\x01-\x7f]+/",$str,$newstr); $ar = $newstr[0]; foreach($ar as $k=>$v){ if(ord($ar[$k])>=127){ $tmpString=bin2hex(iconv("GBK","ucs-2",$v)); if (!eregi("WIN",PHP_OS)){ $tmpString = substr($tmpString,2,2).substr($tmpString,0,2); } $reString.="%u".$tmpString; } else { $reString.= rawurlencode($v); } } return $reString; } |
以上所述就是本文的全部内容了,希望大家能够喜欢。

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