function create_random_string($length, $type = 'mixed')
{
if (!in_array($type, array('mixed', 'chars', 'digits'))) {
return false;
}
$chars_pattern = 'abcdefghijklmnopqrstuvwxyz';
$mixed_pattern = '1234567890' . $chars_pattern;
$rand_value = '';
while (strlen($rand_value) < $length) {
if ($type == 'digits') {
$rand_value .= _rand(0, 9);
} elseif ($type == 'chars') {
$rand_value .= substr($chars_pattern, _rand(0, 25), 1);
} else {
$rand_value .= substr($mixed_pattern, _rand(0, 35), 1);
}
}
return $rand_value;
}
<?php
$rows_type = $mysql->query("select * from `typedata` order by `id` desc");
//print_r($rows_type);
//$count_type=count($rows_type);
foreach ($rows_type as $v_type) {
echo "<a href=\"?type={$v_type['id']}\" class=\"btn\">{$v_type['name']}</a>";
}
?>
</div>
</div>
</div>
</header>
<div class="list_content">
<?php
//转发多域名支持
$rand_sitehead = _rand(6);
$arr_sharesite = explode('#', $config['sharesite']);
$rand = array_rand($arr_sharesite);
$sharesite = $arr_sharesite[$rand];
$sharesite = str_replace('*', $rand_sitehead, $sharesite);
//fan
foreach ($rows as $row) {
$row_pic = str_replace('[weixin]', 'http://img01.store.sogou.com/net/a/04/link?appid=100520031&w=135&h=90&url=', $row['pic']);
if ($row['pv_max'] == '-1') {
$pv_max = '无限投放';
} else {
$pv_max = $row['pv_max'];
}
if ($row['top'] == 1) {
print <<<div
<section class="middle_mode has_action">
function encrypt_string($plain)
{
$password = '';
for ($i = 0; $i < 10; $i++) {
$password .= _rand();
}
$salt = substr(md5($password), 0, 2);
$password = md5($salt . $plain) . ':' . $salt;
return $password;
}
function randomQueryMulti($query)
{
$resource = $this->simpleQuery($query);
$num_rows = $this->numberOfRows($resource);
if ($num_rows > 0) {
$random_row = _rand(0, $num_rows - 1);
$this->dataSeek($random_row, $resource);
return $resource;
} else {
return false;
}
}
/**
* _code() 调用生成一张验证码图片
* @access public
* @param number $width 图片宽度
* @param number $height 图片高度
* @param number $code_count 验证码位数
* @param string $border 是否需要边框
* @return 打印一张验证码图片
*/
function _code($width = 75, $height = 25, $code_count = 4, $border = false)
{
for ($i = 0; $i < $code_count; $i++) {
$code .= dechex(mt_rand(0, 15));
}
$_SESSION['code'] = $code;
$image = @imagecreatetruecolor($width, $height);
// 创建白色画笔
$white = imagecolorallocate($image, 255, 255, 255);
imagefill($image, 0, 0, $white);
// 创建黑色画笔
$black = imagecolorallocate($image, 0, 0, 0);
if ($border) {
// 创建边框
imagerectangle($image, 0, 0, $width - 1, $height - 1, $black);
}
// 随机画六条直线
for ($line = 0; $line < 6; $line++) {
$line_rnd_color = imagecolorallocate($image, _rand(255), _rand(255), _rand(255));
imageline($image, _rand($width), _rand($height), _rand($width), _rand($height), $line_rnd_color);
}
// 随机打印雪花
for ($snow = 0; $snow < 100; $snow++) {
$snow_rnd_color = imagecolorallocate($image, mt_rand(200, 255), mt_rand(200, 255), mt_rand(200, 255));
imagestring($image, 1, _rand($width), _rand($height), '*', $snow_rnd_color);
}
//打印验证码
for ($code_index = 0; $code_index < $code_count; $code_index++) {
$code_rnd_color = imagecolorallocate($image, _rand(100), _rand(150), _rand(200));
imagestring($image, mt_rand(3, 5), $code_index * $width / 4 + _rand(10), _rand($height / 2), $_SESSION['code'][$code_index], $color);
}
imagepng($image);
imagedestroy($image);
}
