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【PHP】生成随机中文字符串

作者:丑矬穷 / 发布于2014/11/7/ 456


	<?php
	function unicode_decode($name) {
	
	 // 转换编码，将Unicode编码转换成可以浏览的utf-8编码
	 $pattern = '/([\w]+)|(\\\u([\w]{4}))/i';
	 preg_match_all($pattern, $name, $matches);
	 if (!empty($matches)) {
	 $name = '';
	 for ($j = 0; $j < count($matches[0]); $j++) {
	 $str = $matches[0][$j];
	 if (strpos($str, '\\u') === 0) {
	 $code = base_convert(substr($str, 2, 2), 16, 10);
	 $code2 = base_convert(substr($str, 4), 16, 10);
	 $c = chr($code) . chr($code2);
	 $c = iconv('UCS-2', 'UTF-8', $c);
	 $name.= $c;
	 } else {
	 $name.= $str;
	 }
	 }
	 }
	 return $name;
	}
	if ($_SERVER['REQUEST_METHOD'] == 'POST') {
	} else {
	 $str = "";
	 for ($i = 0; $i < 100; $i++) {
	 $str.= "\\u" . dechex(rand(19968, 40895));
	 }
	 $content.= unicode_decode($str);
	}
	?>
	<!DOCTYPE>
	<html lang="zh-CN">
	 <head>
	 <title>blog</title>
	 </head>
	 <body>
	 <span><?php
	echo $_COOKIE["uid"] ?></span>
	 <form action="<?php
	htmlspecialchars($_SERVER['PHP_SELF']) ?>" method="post" accept-charset="utf-8">
	 <input type="text" name="title">
	 
	 <textarea name="content" id="" cols="30" rows="10"><?php
	echo $content; ?></textarea>
	 
	 <input type="submit" name='submit'>
	 </form>
	 </body>
	</html>

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　中文字符串　

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