常用自定义函数
函数
常用
实际的
编码
自定义
获取
编码常用的一些函数如获取IP发送邮件curl封装加解密字符串对象转数组后面会有补充 无 //获取IPfunction ip(){if(getenv('X-Forwarded-For')strcasecmp(getenv('X-Forwarded-For'), 'unknown')){$ip = getenv('X-Forwarded-For');}elseif(getenv('HTTP_CLIENT_
编码常用的一些函数 如获取IP 发送邮件 curl封装 加解密字符串 对象转数组 后面会有补充
//获取IP
function ip()
{
if(getenv('X-Forwarded-For')&&strcasecmp(getenv('X-Forwarded-For'), 'unknown'))
{
$ip = getenv('X-Forwarded-For');
}
elseif(getenv('HTTP_CLIENT_IP')&&strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown'))
{
$ip = getenv('HTTP_CLIENT_IP');
}
elseif(getenv('HTTP_X_FORWARDED_FOR')&&strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown'))
{
$ip = getenv('HTTP_X_FORWARDED_FOR');
}
elseif(getenv('REMOTE_ADDR')&&strcasecmp(getenv('REMOTE_ADDR'), 'unknown'))
{
$ip = getenv('REMOTE_ADDR');
}
elseif(isset($_SERVER['REMOTE_ADDR'])&&$_SERVER['REMOTE_ADDR']&&strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown'))
{
$ip = $_SERVER['REMOTE_ADDR'];
}
return preg_match("/[\d\.]{7,15}/", $ip, $matches) ? $matches[0] : 'unknown';
}
//curl封装
function curl($url, $method = 'GET', $postFields = null, $header = null)
{
$ch = curl_init();
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
curl_setopt($ch, CURLOPT_FAILONERROR, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
if (strlen($url) > 5 && strtolower(substr($url, 0, 5)) == "https")
{
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
}
switch ($method)
{
case 'POST':
curl_setopt($ch, CURLOPT_POST, true);
if (!empty($postFields))
{
if (is_array($postFields) || is_object($postFields))
{
if (is_object($postFields))
$postFields = Bin_Tools::object2array($postFields);
$postBodyString = "";
$postMultipart = false;
foreach ($postFields as $k => $v)
{
if ("@" != substr($v, 0, 1))
{ //判断是不是文件上传
$postBodyString .= "$k=" . urlencode($v) . "&";
}
else
{ //文件上传用multipart/form-data，否则用www-form-urlencoded
$postMultipart = true;
}
}
unset($k, $v);
if ($postMultipart)
{
curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields);
}
else
{
curl_setopt($ch, CURLOPT_POSTFIELDS, substr($postBodyString, 0, -1));
}
}
else
{
curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields);
}
}
break;
default:
if (!empty($postFields) && is_array($postFields))
$url .= (strpos($url, '?') === false ? '?' : '&') . http_build_query($postFields);
break;
}
curl_setopt($ch, CURLOPT_URL, $url);
if (!empty($header) && is_array($header))
{
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
}
$response = curl_exec($ch);
if (curl_errno($ch))
{
throw new Exception(curl_error($ch), 0);
}
curl_close($ch);
return $response;
}
//对象转数组
function object_to_array($obj)
{
$_arr = is_object($obj) ? get_object_vars($obj) : $obj;
foreach ($_arr as $key => $val)
{
$val = (is_array($val) || is_object($val)) ? object_to_array($val) : $val;
$arr[$key] = $val;
}
return $arr;
}
//发送邮件 基于phpmailer
function sendmail($to, $title, $content)
{
$mail = new lib_phpmail_phpmail();
$mail->CharSet ="UTF-8";
$mail->IsSMTP();
$mail->SMTPAuth = true;
$mail->SMTPSecure = "ssl";
$mail->Host = "11.111.11.11:465";
$mail->Port = 25;
$mail->Username = "aaa@aaa.com";
$mail->Password = "123abc";
$mail->SetFrom('aaa@aaa.com', 'info');
$mail->AddAddress($to);
$mail->IsHTML(true);
$mail->Subject = $title;
$mail->Body = $content;
return $mail->Send();
}
//加密字符串
function encrypt($encrypt,$key="key") {
$iv = mcrypt_create_iv ( mcrypt_get_iv_size ( MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB ), MCRYPT_RAND );
$passcrypt = mcrypt_encrypt ( MCRYPT_RIJNDAEL_256, $key, $encrypt, MCRYPT_MODE_ECB, $iv );
$encode = base64_encode ( $passcrypt );
return $encode;
}
//解密字符串
function decrypt($decrypt,$key="key") {
$decoded = base64_decode ( $decrypt );
$iv = mcrypt_create_iv ( mcrypt_get_iv_size ( MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB ), MCRYPT_RAND );
$decrypted = mcrypt_decrypt ( MCRYPT_RIJNDAEL_256, $key, $decoded, MCRYPT_MODE_ECB, $iv );
return $decrypted;
}
//分页
function getPage($count, $pageNum, $pagesize, $linksize = 10)
{
if($count == 0) return '';
$totalPage = ceil($count/$pagesize);
$p = 'page';
$request_url = $_SERVER['REQUEST_URI'];
if(strpos($request_url,'?'))
{
$url = $request_url;
}
else
{
$url = $request_url.'?';
}
$parse = parse_url($url);
if(isset($parse['query']))
{
parse_str($parse['query'],$params);
unset($params[$p]);
$url = $parse['path'].'?'.http_build_query($params);
}
//首页 尾页
if($pageNum > 1)
{
$firstPage = '<li><a href=\''.$url.'&'.$p.'=1\'>首页 </a></li>';
}
if($pageNum < $totalPage)
{
$endPage = '<li><a href=\''.$url.'&'.$p.'='.$totalPage.'\'> 尾页</a></li>';
}
//上一页 下一页
$upRow = $pageNum - 1;
$downRow = $pageNum + 1;
$upPage = $downPage = '';
if ($upRow > 0)
{
$upPage='<li><a href=\''.$url.'&'.$p.'='.$upRow.'\'>上一页</a></li>';
}
if ($downRow <= $totalPage)
{
$downPage='<li><a href=\''.$url.'&'.$p.'='.$downRow.'\'>下一页</a></li>';
}
//计算起始、结束页码
$start = max(1, $pageNum - intval($linksize/2));
$end = min($start + $linksize - 1, $totalPage);
$start = max(1, $end - $linksize + 1);
$pageStr = '';
for($i = $start; $i <= $end; $i++)
{
if($i == $pageNum)
{
$pageStr .= '<li> '.$i.' </li>';
}
else
{
$pageStr .= '<li><a href=\''.$url.'&'.$p.'='.$i.'\'> '.$i.' </a></li>';
}
}
$pageStr = $firstPage . $upPage . $pageStr . $downPage . $endPage;
$pageStr .= '<li> 共'.$totalPage.'页';
return $pageStr;
}
//编码转汉字
public function entities2utf8($unicode_c){
$unicode_c = preg_replace_callback("/\&\#(.+?)\;/", function($unicode_str){
$unicode_c_val = hexdec($unicode_str[1]);
$f=0x80; // 10000000
$str = "";
// U-00000000 - U-0000007F: 0xxxxxxx
if($unicode_c_val <= 0x7F)
{
$str = chr($unicode_c_val);
}
//U-00000080 - U-000007FF: 110xxxxx 10xxxxxx
else if($unicode_c_val >= 0x80 && $unicode_c_val <= 0x7FF)
{
$h=0xC0; // 11000000
$c1 = $unicode_c_val >> 6 | $h;
$c2 = ($unicode_c_val & 0x3F) | $f;
$str = chr($c1).chr($c2);
}
//U-00000800 - U-0000FFFF: 1110xxxx 10xxxxxx 10xxxxxx
else if($unicode_c_val >= 0x800 && $unicode_c_val <= 0xFFFF)
{
$h=0xE0; // 11100000
$c1 = $unicode_c_val >> 12 | $h;
$c2 = (($unicode_c_val & 0xFC0) >> 6) | $f;
$c3 = ($unicode_c_val & 0x3F) | $f;
$str=chr($c1).chr($c2).chr($c3);
}
//U-00010000 - U-001FFFFF: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
else if($unicode_c_val >= 0x10000 && $unicode_c_val <= 0x1FFFFF)
{
$h=0xF0; // 11110000
$c1 = $unicode_c_val >> 18 | $h;
$c2 = (($unicode_c_val & 0x3F000) >>12) | $f;
$c3 = (($unicode_c_val & 0xFC0) >>6) | $f;
$c4 = ($unicode_c_val & 0x3F) | $f;
$str = chr($c1).chr($c2).chr($c3).chr($c4);
}
//U-00200000 - U-03FFFFFF: 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
else if($unicode_c_val >= 0x200000 && $unicode_c_val <= 0x3FFFFFF)
{
$h=0xF8; // 11111000
$c1 = $unicode_c_val >> 24 | $h;
$c2 = (($unicode_c_val & 0xFC0000)>>18) | $f;
$c3 = (($unicode_c_val & 0x3F000) >>12) | $f;
$c4 = (($unicode_c_val & 0xFC0) >>6) | $f;
$c5 = ($unicode_c_val & 0x3F) | $f;
$str = chr($c1).chr($c2).chr($c3).chr($c4).chr($c5);
}
//U-04000000 - U-7FFFFFFF: 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
else if($unicode_c_val >= 0x4000000 && $unicode_c_val <= 0x7FFFFFFF)
{
$h=0xFC; // 11111100
$c1 = $unicode_c_val >> 30 | $h;
$c2 = (($unicode_c_val & 0x3F000000)>>24) | $f;
$c3 = (($unicode_c_val & 0xFC0000)>>18) | $f;
$c4 = (($unicode_c_val & 0x3F000) >>12) | $f;
$c5 = (($unicode_c_val & 0xFC0) >>6) | $f;
$c6 = ($unicode_c_val & 0x3F) | $f;
$str = chr($c1).chr($c2).chr($c3).chr($c4).chr($c5).chr($c6);
}
return $str;
}, $unicode_c);
return $unicode_c;
}登录后复制
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