🎉 💯 常用的系统方法如下:
# 打印数据
<?php
/**
* 打印数据
* @param param 参数信息
* @return array
*/
function v() {
$param = func_get_args();
foreach ($param as $v) {
if ($v != false) {
echo '<pre autocomplete="off" style="background-color:#272a32;color:#ffe4a6;font:15px/19px Consolas;padding:8px;width:90%;word-break:break-all;white-space:pre-wrap;">';
var_dump($v);
echo '</pre>';
}
}
if (!in_array(false, $param)) exit() ;
}
/**
* 打印数据
* @param param 参数信息
* @return array
*/
function p() {
$param = func_get_args();
foreach ($param as $v) {
if ($v != false) {
echo '<pre autocomplete="off" style="background-color:#272a32;color:#ffe4a6;font:15px/19px Consolas;padding:8px;width:90%;word-break:break-all;white-space:pre-wrap;">';
var_dump($v);
echo '</pre>';
}
}
if (!in_array(false, $param)) exit() ;
}
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# 文件大小转换
/**
* 文件大小转换
* @param param 文件大小
* @return array
*/
function formatBytes($size) {
$units = array(' B', ' KB', ' MB', ' GB', ' TB');
for ($i = 0; $size >= 1024 && $i < 4; $i++) $size /= 1024;
return round($size, 2).$units[$i];
}
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# 相对地址转换为绝对地址
/**
* 相对地址转换为绝对地址
* @param string $url
* @return string
*/
function getRealUrl($url = '')
{
if (stripos($url, 'http') !== false || stripos($url, 'https') !== false) {
return $url;
} else {
if (config('domain')) {
return config('domain') . $url;
}
return request()->domain() . $url;
}
}
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# 加密url参数
/**
* 加密url参数
* @param string $url
* @return string
*/
//---------------以下为加密函数（复制过去就行了）-----------------
function keyED($txt, $encrypt_key){ //定义一个key
$encrypt_key = md5($encrypt_key);
$ctr = 0;
$tmp = '';
for ($i=0;$i<strlen($txt);$i++) {
if ($ctr==strlen($encrypt_key))
$ctr=0;
$tmp.= substr($txt,$i,1) ^ substr($encrypt_key,$ctr,1);
$ctr++;
}
return $tmp;
}
function encrypt_urls($txt,$key) {
$encrypt_key = md5(mt_rand(0,100));
$ctr=0;
$tmp = '';
for ($i=0;$i<strlen($txt);$i++) {
if ($ctr==strlen($encrypt_key))
$ctr=0;
$tmp.=substr($encrypt_key,$ctr,1) . (substr($txt,$i,1) ^ substr($encrypt_key,$ctr,1));
$ctr++;
}
return keyED($tmp,$key);
}
function decrypt_urls($txt,$key) {
$txt = keyED($txt,$key);
$tmp = '';
for ($i=0;$i<strlen($txt);$i++) {
$md5 = substr($txt,$i,1);
$i++;
$tmp.= (substr($txt,$i,1) ^ $md5);
}
return $tmp;
}
// 加密url参数
function encrypt_url($url,$key) {
return rawurlencode(base64_encode(encrypt_urls($url,$key)));
}
// 解密url参数
function decrypt_url($url,$key) {
return decrypt_urls(base64_decode(rawurldecode($url)),$key);
}
function geturl($str,$key) {
$str = decrypt_url($str,$key);
$url_array = explode('&',$str);
if (is_array($url_array)) {
foreach ($url_array as $var) {
$var_array = explode('=',$var);
$vars[$var_array[0]]=$var_array[1];
}
}
return $vars;
}
$key_url_md_5 = 'asr.wuhuabamenapp.com/share/md5';
$a = encrypt_url($infoContent, $key_url_md_5); // 加密
$b = geturl($a, $key_url_md_5); // 解密
//---------------以上为加密函数-结束（复制过去就行了）-----------------
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# 写入日志
/**
* 写入日志
* @param string $url
* @return string
*/
function writeLog($content, $dir = '')
{
if (is_array($content)) {
$content = json_encode($content);
}
$dateS = date("Ymd", time());
$dataE = date("Y-m-d H:i:s", time());
$content = $dataE . ": " . "\r\n" . $content . "\r\n";
$path = dirname(__FILE__) . "/../public/logs/";
if ($dir) {
$dir = strtoupper($dir);
} else {
$dir = 'COMMON';//公共日志
}
if (!is_dir($path)) {
mkdir(iconv('UTF-8', 'GBK', $path), 0777, true);
}
$path .= $dir;
if (!is_dir($path)) {
mkdir(iconv('UTF-8', 'GBK', $path), 0777, true);
}
error_log($content, 3, $path . "/" . $dateS . "errors.log");
}
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# 唯一uniqid不重复
/**
* 唯一uniqid不重复
* @param string $url
* @return string
*/
function uniqidReal($lenght = 13)
{
// uniqid gives 13 chars, but you could adjust it to your needs.
if (function_exists("random_bytes")) {
$bytes = random_bytes(ceil($lenght / 2));
} elseif (function_exists("openssl_random_pseudo_bytes")) {
$bytes = openssl_random_pseudo_bytes(ceil($lenght / 2));
} else {
throw new Exception("no cryptographically secure random function available");
}
return substr(bin2hex($bytes), 0, $lenght);
}
// 进行检验
$arr = [];
for ($i = 1; $i <= 1000000; $i++) {
$arr[] = uniqidReal(16);
}
var_dump(count($arr), count(array_unique($arr)));
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# 类型整合
/**
* 类型整合(处理入库数据)
*
* @param array $array 数组
* @param array 参数 描述
* @param int $type 0=交集，1=处理mysql数据，2=1的另外一种写法
* @return json Response
*/
function dataSql($array, $data, $type = 0)
{
$info = [];
switch ($type) {
case '1':
foreach ($data as $v) {
$info[$v] = $array[$v];
if(strpos($v, ' as ') !== false){
$explode = explode(' as ', $v);
$info[$explode[1]] = $array[$explode[0]];
}
if(strpos($v, ' json ') !== false){
$explode = explode(' json ', $v);
$info[$explode[1]] = $array[$explode[0]];
}
}
break;
case '2':
$data = [['id', 'as', 'device_id'], 'name', 'uid', 'local_key', 'category', 'product_id', 'product_name', 'sub', 'uuid', 'owner_id', 'online', ['status', 'json', 'status'], 'active_time', 'biz_type', 'icon', 'ip', 'create_time', 'update_time', 'created_at'];
foreach ($data as $v) {
if (!is_array($v)) $info[$v] = $array[$v];
if ($v[1] == 'as') $info[$v[2]] = $array[$v[0]];
if ($v[1] == 'json') $info[$v[2]] = json_encode($array[$v[0]], 256);
}
break;
default:
$info = array_intersect_key($array, array_flip($data));
break;
}
return $info;
}
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# 字符串存在与否
/**
* 字符串存在与否
*
* @return json Response
*/
function strpos()
{
// 判断是否是微信内打开
$agent = strtolower($_SERVER['HTTP_USER_AGENT']);
if (strpos($agent,'micromessenger') === false) return '请在微信内扫码打开！';
}
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# 伪随机数产生器
/**
* 伪随机数产生器
*
* @param string $lenght 进制长度
* @return string Response
*/
public function uniqidReal($lenght = 13) {
// uniqid gives 13 chars, but you could adjust it to your needs.
if (function_exists("random_bytes")) {
$bytes = random_bytes(ceil($lenght / 2));
} elseif (function_exists("openssl_random_pseudo_bytes")) {
$bytes = openssl_random_pseudo_bytes(ceil($lenght / 2));
} else {
throw new Exception("no cryptographically secure random function available");
}
return substr(bin2hex($bytes), 0, $lenght);
}
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# 获取数组中指定的键值
/**
* 获取数组中指定的键值
* @param array $array 原数组
* @param array $keys 要获取的键值
* @return array
*/
if (!function_exists('get_only_keys')) {
function get_only_keys(array $array, array $keys, bool $hidden = false) {
if ($hidden === true) {
// 隐藏keys
return array_diff_key($array, array_flip($keys));
}
return array_intersect_key($array, array_flip($keys));
}
}
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# 返回JSON
/**
* 返回JSON
*
* @param int code 状态码
* @param int data 数组
* @param int msg 返回信息
* @return json Response
*/
if (!function_exists("jsons")){
function jsons($code = 0, $data = [], $msg = '操作成功!')
{
$return = [];
http_response_code($code); //设置返回头部
$return['code'] = (int)$code;
if ($return['code'] == 0) {
$return['status'] = 'success!';
$return['data'] = is_array($data) ? $data : ['info'=>$data];
$return['msg'] = $msg;
}else{
$return['status'] = 'fail!';
$return['msg'] = $data;
}
return json($return, JSON_UNESCAPED_UNICODE);
}
}
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