function nodeTree($arr, $id = 0, $level = 0) {
static $array = array();
foreach ($arr as $v) {
if ($v['pid'] == $id) {
$v['level'] = $level;
$array[] = $v;
nodeTree($arr, $v['id'], $level + 1);
}
}
return $array;
}
/**
* 下拉選擇框
*/
function select($array = array(), $id = 0, $str = '', $default_option = '') {
$string = '<select ' . $str . '>';
$default_selected = (empty($id) && $default_option) ? 'selected' : '';
if ($default_option)
$string .= "<option value='' $default_selected>$default_option</option>";
if (!is_array($array) || count($array) == 0)
return false;
$ids = array();
if (isset($id))
$ids = explode(',', $id);
foreach ($array as $key => $value) {
$selected = in_array($key, $ids) ? 'selected' : '';
$string .= '<option value="' . $key . '" ' . $selected . '>' . $value . '</option>';
}
$string .= '</select>';
return $string;
}
/**
* 複選框
*
* @param $array 選項 二維數組
* @param $id 默認選中值,多個用 '逗號'分割
* @param $str 屬性
* @param $defaultvalue 是否增加默認值 默認值爲 -99
* @param $width 寬度
*/
function checkbox($array = array(), $id = '', $str = '', $defaultvalue = '', $width = 0, $field = '') {
$string = '';
$id = trim($id);
if ($id != '')
$id = strpos($id, ',') ? explode(',', $id) : array($id);
if ($defaultvalue)
$string .= '<input type="hidden" ' . $str . ' value="-99">';
$i = 1;
foreach ($array as $key => $value) {
$key = trim($key);
$checked = ($id && in_array($key, $id)) ? 'checked' : '';
if ($width)
$string .= '<label class="ib" style="width:' . $width . 'px">';
$string .= '<input type="checkbox" ' . $str . ' id="' . $field . '_' . $i . '" ' . $checked . ' value="' . $key . '"> ' . $value;
if ($width)
$string .= '</label>';
$i++;
}
return $string;
}
/**
* 單選框
*
* @param $array 選項 二維數組
* @param $id 默認選中值
* @param $str 屬性
*/
function radio($array = array(), $id = 0, $str = '', $width = 0, $field = '') {
$string = '';
foreach ($array as $key => $value) {
$checked = trim($id) == trim($key) ? 'checked' : '';
if ($width)
$string .= '<label class="ib" style="width:' . $width . 'px">';
$string .= '<input type="radio" ' . $str . ' id="' . $field . '_' . $key . '" ' . $checked . ' value="' . $key . '"> ' . $value;
if ($width)
$string .= '</label>';
}
return $string;
}
/**
* 字符串加密、解密函數
*
*
* @param string $txt 字符串
* @param string $operation ENCODE爲加密,DECODE爲解密,可選參數,默認爲ENCODE,
* @param string $key 密鑰:數字、字母、下劃線
* @param string $expiry 過期時間
* @return string
*/
function encry_code($string, $operation = 'ENCODE', $key = '', $expiry = 0) {
$ckey_length = 4;
$key = md5($key != '' ? $key : config('encry_key'));
$keya = md5(substr($key, 0, 16));
$keyb = md5(substr($key, 16, 16));
$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length) : substr(md5(microtime()), -$ckey_length)) : '';
$cryptkey = $keya . md5($keya . $keyc);
$key_length = strlen($cryptkey);
$string = $operation == 'DECODE' ? base64_decode(strtr(substr($string, $ckey_length), '-_', '+/')) : sprintf('%010d', $expiry ? $expiry + time() : 0) . substr(md5($string . $keyb), 0, 16) . $string;
$string_length = strlen($string);
$result = '';
$box = range(0, 255);
$rndkey = array();
for ($i = 0; $i <= 255; $i++) {
$rndkey[$i] = ord($cryptkey[$i % $key_length]);
}
for ($j = $i = 0; $i < 256; $i++) {
$j = ($j + $box[$i] + $rndkey[$i]) % 256;
$tmp = $box[$i];
$box[$i] = $box[$j];
$box[$j] = $tmp;
}
for ($a = $j = $i = 0; $i < $string_length; $i++) {
$a = ($a + 1) % 256;
$j = ($j + $box[$a]) % 256;
$tmp = $box[$a];
$box[$a] = $box[$j];
$box[$j] = $tmp;
$result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
}
if ($operation == 'DECODE') {
if ((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26) . $keyb), 0, 16)) {
return substr($result, 26);
} else {
return '';
}
} else {
return $keyc . rtrim(strtr(base64_encode($result), '+/', '-_'), '=');
}
}