Home > Article > Backend Development > PHP generates short domain name function, PHP generates domain name function_PHP tutorial
PHP generates short domain name function, PHP generates domain name function_PHP tutorial
- WBOYOriginal
- 2016-07-13 10:01:01813browse
php generates short domain name function, php generates domain name function
php generates short domain name function
public function createRandCode($string) {
$code = '';
$hex_code = '1qaz2wsx3edc4rfv5t-gb6yhn7ujm8ik9ol0p_';
$now = microtime(true) * 10000;
$strlen = strlen($hex_code);
$hash_code = hash('sha256', $string);
// 这里会为编码定义一个随机的长度，长度取决于step
$step = rand(8, 16);
$count = ceil(strlen($hash_code) / $step);
for($i = 0; $i < $count; $i++) {
$start = $i * $step;
$hex_num = substr($hash_code, $start, $step);
$num = 0x3fffffff & (1 * '0x' . $hex_num);
$n = $num % $strlen;
$code .= $hex_code[$n];
}
return $code;
}
The above is the entire content of the code shared with you in this article. I hope you will like it.
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：Smarty basic syntax and three major variables in php_PHP tutorialNext article：Smarty basic syntax and three major variables in php_PHP tutorial