'jpeg', 'image/jpg' => 'jpg', 'image/gif' => 'gif', 'image/png' => 'png', 'text/html' => 'html', 'text/plain' => 'txt', 'image/pjpeg' => 'jpg', 'image/x-png' => 'png', 'image/x-icon' => 'ico' ]; if (!stristr($url, 'http')) { throw new \Exception("url不正确", 2101); } $dir = pathinfo($url); $host = $dir['dirname']; $refer = $host . '/'; $ch = curl_init($url); curl_setopt($ch, CURLOPT_REFERER, $refer); //伪造来源地址 curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//返回变量内容还是直接输出字符串,0输出,1返回内容 curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);//在启用CURLOPT_RETURNTRANSFER的时候，返回原生的（Raw）输出 curl_setopt($ch, CURLOPT_HEADER, 0); //是否输出HEADER头信息 0否1是 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); //超时时间 $data = curl_exec($ch); //$httpCode = curl_getinfo($ch,CURLINFO_HTTP_CODE); //$httpContentType = curl_getinfo($ch,CURLINFO_CONTENT_TYPE); $info = curl_getinfo($ch); curl_close($ch); $httpCode = intval($info['http_code']); $httpContentType = $info['content_type']; $httpSizeDownload = intval($info['size_download']); if ($httpCode != '200') { throw new \Exception("url返回内容不正确", 2102); } if (!isset($imgs[$httpContentType])) { throw new \Exception("url资源类型未知", 2103); } if ($httpSizeDownload < 1) { throw new \Exception("内容大小不正确", 2104); } $base_64 = base64_encode($data); $data = "data:{$httpContentType};base64,{$base_64}"; unset($info, $base_64); return $data; } function encryptString(string $string, string $key) { $key = md5($key); $x = 0; $len = strlen($string); $l = strlen($key); $char = null; $str = null; for ($i = 0; $i < $len; $i++) { if ($x == $l) { $x = 0; } $char .= $key{$x}; $x++; } for ($i = 0; $i < $len; $i++) { $str .= chr(ord($string{$i}) + (ord($char{$i})) % 256); } return base64_encode($str); } // #解密 function decryptString(string $string, string $key) { $key = md5($key); $x = 0; $string = base64_decode($string); $len = strlen($string); $l = strlen($key); $char = null; $str = null; for ($i = 0; $i < $len; $i++) { if ($x == $l) { $x = 0; } $char .= substr($key, $x, 1); $x++; } for ($i = 0; $i < $len; $i++) { if (ord(substr($string, $i, 1)) < ord(substr($char, $i, 1))) { $str .= chr((ord(substr($string, $i, 1)) + 256) - ord(substr($char, $i, 1))); } else { $str .= chr(ord(substr($string, $i, 1)) - ord(substr($char, $i, 1))); } } return $str; } /** * @param array $array * @return xml */ function array2xml(array $array) { $xml = ""; foreach ($array as $key => $val) { if (is_numeric($val)) { $xml .= "<" . $key . ">" . $val . ""; } else { $xml .= "<" . $key . ">"; } } $xml .= ""; return $xml; } /** * 将xml转为array * @param string $xml * @return array */ function xml2array($xml) { //将XML转为array //禁止引用外部xml实体 libxml_disable_entity_loader(true); $values = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true); return $values; } function https_request($url, $data = null) { $curl = curl_init(); curl_setopt($curl, CURLOPT_URL, $url); curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false); if (!empty($data)) { curl_setopt($curl, CURLOPT_POST, 1); curl_setopt($curl, CURLOPT_POSTFIELDS, $data); } curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); $output = curl_exec($curl); curl_close($curl); return $output; } function getUTF8Sting(string $string) { //reject overly long 2 byte sequences, as well as characters above U+10000 and replace with ? $string = preg_replace( '/[\x00-\x08\x10\x0B\x0C\x0E-\x19\x7F]' . '|[\x00-\x7F][\x80-\xBF]+' . '|([\xC0\xC1]|[\xF0-\xFF])[\x80-\xBF]*' . '|[\xC2-\xDF]((?![\x80-\xBF])|[\x80-\xBF]{2,})' . '|[\xE0-\xEF](([\x80-\xBF](?![\x80-\xBF]))|(?![\x80-\xBF]{2})|[\x80-\xBF]{3,})/S', '?', $string ); //reject overly long 3 byte sequences and UTF-16 surrogates and replace with ? $string = preg_replace('/\xE0[\x80-\x9F][\x80-\xBF]' . '|\xED[\xA0-\xBF][\x80-\xBF]/S', '?', $string); return $string; } function uuid() { return \Ramsey\Uuid\Uuid::uuid4()->toString(); return md5(uniqid(mt_rand(100000000, 999999999))); } /** * 版本检测 * @param string $client_version 客户端版本 * @param string $low_version 最低兼容版本 * @param string $latest_version 最新版本 * @throws \App\Exceptions\VersionException */ function version(string $client_version, string $low_version, string $latest_version) { if (strcmp($client_version, $low_version) < 0) { // 不兼容 throw new \App\Exceptions\VersionException("不兼容", 208); } if (strcmp($client_version, $latest_version) < 0) { // 有更新 } } /** * 调试打印 * @param \Illuminate\Http\Request $request * @param $var * @return array */ function debugdump(\Illuminate\Http\Request $request, $var) { if (98047 == $request->get('debug')) { foreach (array_slice(func_get_args(), 1) as $v) { dump($v); } if (2 < func_num_args()) { return func_get_args(); } return $var; } }