php$url= "http://koonk.com";$check= checkvalidURL($url);echo$check;//if returns 1 then URL is valid.?> 6. 生成二维码 functionqr_code($data,$type= "TXT",$size='150',$ec='L',$margin='0') {$types=array("URL" =--> "http://", "TEL" => "TEL:", "TXT"=>"", "EMAI...
We can use the built-in functionempty()to check whether an array is empty. This function checks for all types of variables, including arrays. The correct syntax to use this function is as follows. empty($variable); The built-in functionempty()has only one parameter. The detail of its pa...
//堆排序publicfunctionheapSelectSort(array$arr=array()){$arr=$this->_checkNeedSort($arr);if(!$arr){return$arr;}//长度只有1直接返回if(1==count($arr)){return$arr;}//构造二叉堆$heapArr=$this->_getHeapArray($arr);//定义一个结果集$arrRes=array();//循环删除二叉堆while(0<count($he...
function isGarbled($str) { $encodings = array(‘UTF-8’, ‘GBK’, ‘GB2312’, ‘ISO-8859-1’); foreach ($encodings as $encoding) { if (mb_detect_encoding($str, $encoding, true) === $encoding) { return false; // 编码正确,不是乱码 } } return true; // 编码不正确,是乱码 } ...
If set to SCAN_NORETRY (the default), phpredis will just issue one SCAN command at a time, sometimes returning an empty array of results. If set to SCAN_RETRY, phpredis will retry the scan command until keys come back OR Redis returns an iterator of zero */ $redis->setOption(Redis:...
$json = json_encode(array( "resultCode"=>200, "message"=>"查询成功!", "data"=>$data ),JSON_UNESCAPED_UNICODE); //转换成字符串JSON echo($json); } /**查询服务器中的数据 * 1、连接数据库,参数分别为 服务器地址 / 用户名 / 密码 / 数据库名称 ...
php $xff = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']); array_pop($xff); $ip = array_pop($xff); if($ip!=='127.0.0.1'){ die('error'); }else{ $token = $_POST['token']; if($token=='ctfshow'){ file_put_contents('flag.txt',$flag); } } 这里的话可以看到它是...
$localfile = "D:\\localpath\\examplefile.txt"; $options = array( OssClient::OSS_FILE_DOWNLOAD => $localfile ); // 使用try catch捕获异常。如果捕获到异常,则说明下载失败;如果没有捕获到异常,则说明下载成功。 try{ $config = array( "provider" => $provider, "endpoint" => $endpoint, "si...
break;case 'path':$input = array();if (!empty($_SERVER['PATH_INFO'])) {$depr = C('URL_PATHINFO_DEPR');$input = explode($depr, trim($_SERVER['PATH_INFO'], $depr));}break;case 'request':$input = &$_REQUEST;break;case 'session':$input = &$_SESSION;break;case 'cookie':$...
13 * @var string|array 14 */ 15 protected $proxies = [ 16 '192.168.1.1', 17 '192.168.1.2', 18 ]; 19 20 /** 21 * The headers that should be used to detect proxies. 22 * 23 * @var int 24 */ 25 protected $headers = Request::HEADER_X_FORWARDED_FOR | Request::HEADER_X_...