判斷post,ajax,get請求的方法
阿新 • • 發佈:2019-01-19
地址 get amp ray json php_sapi _for https method
判斷post,ajax,get請求的方法
define('IS_GET',isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] == 'GET' : false); define('IS_POST',isset($_SERVER['REQUEST_METHOD']) ? $_SERVER['REQUEST_METHOD'] == 'POST' : false); define('IS_AJAX',isset($_SERVER['HTTP_REQUEST_TYPE']) && $_SERVER['HTTP_REQUEST_TYPE'] == 'ajax'?true:false);
補充:
function is_ajax()
{
return isset($_SERVER['HTTP_X_REQUESTED_WITH']) && strtoupper($_SERVER['HTTP_X_REQUESTED_WITH'])=='XMLHTTPREQUEST';
}
function is_cli()
{
return (PHP_SAPI === 'cli' OR defined('STDIN'));
}
php中獲取客戶端真實ip地址的方法
function get_real_ip() { $ip=false; if(!empty($_SERVER['HTTP_CLIENT_IP'])){ $ip=$_SERVER['HTTP_CLIENT_IP']; } if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){ $ips=explode (', ', $_SERVER['HTTP_X_FORWARDED_FOR']); if($ip){ array_unshift($ips, $ip); $ip=FALSE; } for ($i=0; $i < count($ips); $i++){ if(!eregi ('^(10│172.16│192.168).', $ips[$i])){ $ip=$ips[$i]; break; } } } return ($ip ? $ip : $_SERVER['REMOTE_ADDR']); }
function get_real_ip(){ static $realip; if(isset($_SERVER)){ if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])){ $realip=$_SERVER['HTTP_X_FORWARDED_FOR']; }else if(isset($_SERVER['HTTP_CLIENT_IP'])){ $realip=$_SERVER['HTTP_CLIENT_IP']; }else{ $realip=$_SERVER['REMOTE_ADDR']; } }else{ if(getenv('HTTP_X_FORWARDED_FOR')){ $realip=getenv('HTTP_X_FORWARDED_FOR'); }else if(getenv('HTTP_CLIENT_IP')){ $realip=getenv('HTTP_CLIENT_IP'); }else{ $realip=getenv('REMOTE_ADDR'); } } return $realip; }
function is_ip($str){
$ip=explode('.',$str);
for($i=0;$i<count($ip);$i++){
if($ip[$i]>255){
return false;
}
}
return preg_match('/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/',$str);
}
function getIp(){
$ip='未知IP';
if(!empty($_SERVER['HTTP_CLIENT_IP'])){
return is_ip($_SERVER['HTTP_CLIENT_IP'])?$_SERVER['HTTP_CLIENT_IP']:$ip;
}elseif(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){
return is_ip($_SERVER['HTTP_X_FORWARDED_FOR'])?$_SERVER['HTTP_X_FORWARDED_FOR']:$ip;
}else{
return is_ip($_SERVER['REMOTE_ADDR'])?$_SERVER['REMOTE_ADDR']:$ip;
}
}
/**
* 獲取客戶端IP地址
* @param integer $type 返回類型 0 返回IP地址 1 返回IPV4地址數字
* @param boolean $adv 是否進行高級模式獲取(有可能被偽裝)
* @return mixed
*/
function get_client_ip($type = 0,$adv=false) {
$type = $type ? 1 : 0;
static $ip = NULL;
if ($ip !== NULL) return $ip[$type];
if($adv){
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$arr = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
$pos = array_search('unknown',$arr);
if(false !== $pos) unset($arr[$pos]);
$ip = trim($arr[0]);
}elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
}elseif (isset($_SERVER['REMOTE_ADDR'])) {
$ip = $_SERVER['REMOTE_ADDR'];
}
}elseif (isset($_SERVER['REMOTE_ADDR'])) {
$ip = $_SERVER['REMOTE_ADDR'];
}
// IP地址合法驗證
$long = sprintf("%u",ip2long($ip));
$ip = $long ? array($ip, $long) : array('0.0.0.0', 0);
return $ip[$type];
}
php添加訪問授權的方法
//允許所有域名的請求訪問
header('Access-Control-Allow-Origin:*');
//允許百度的請求訪問
header('Access-Control-Allow-Origin:https://www.baidu.com');
header('Access-Control-Allow-Methods:*');
header('Access-Control-Allow-Headers:x-requested-with,content-type');
補充:
$ret = [
'name' => isset($_POST['name'])? $_POST['name'] : '',
'gender' => isset($_POST['gender'])? $_POST['gender'] : ''
];
header('content-type:application:json;charset=utf8');
$origin = isset($_SERVER['HTTP_ORIGIN'] ? $_SERVER['HTTP_ORIGIN'] : '');
$allow_origin = [
'http://www.baidu.com',
'http://www.jjxhp.com'
];
if (in_array($origin, $allow_origin)) {
header('Access-Control-Allow-Origin:'.$origin);
header('Access-Control-Allow-Methods:*');
header('Access-Control-Allow-Headers:x-requested-with,content-type');
}
echo json_encode($ret);
判斷post,ajax,get請求的方法