php常用函数集合

1.curl操作

POST方式

public static function httpPost($url, $param = '') {
    $ch1 = curl_init();
    if (version_compare(PHP_VERSION, '5.5.0', '>')) {
        curl_setopt($ch1, CURLOPT_SAFE_UPLOAD, false);
    }

    curl_setopt($ch1, CURLOPT_URL, $url);
    curl_setopt($ch1, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch1, CURLOPT_SSL_VERIFYHOST, false);
    if (!empty($param)) {
        curl_setopt($ch1, CURLOPT_POST, 1);
        curl_setopt($ch1, CURLOPT_POSTFIELDS, $param);
    }
    curl_setopt($ch1, CURLOPT_RETURNTRANSFER, 1);
    $result = curl_exec($ch1);
    curl_close($ch1);
    return $result;
}

GET方式

public static function httpGet($url) {
    $oCurl = curl_init();
    if (stripos($url, "https://") !== false) {
        curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false);
    }
    curl_setopt($oCurl, CURLOPT_URL, $url);
    curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, 1);
    $sContent = curl_exec($oCurl);
    $aStatus  = curl_getinfo($oCurl);
    curl_close($oCurl);
    if (intval($aStatus["http_code"]) == 200) {
        return $sContent;
    } else {
        return false;
    }
}

2.去除跨域脚本攻击

public static function removeXSS($val) {
    $val    = preg_replace('/([x00-x08,x0b-x0c,x0e-x19])/', '', $val);
    $search = 'abcdefghijklmnopqrstuvwxyz';
    $search .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $search .= '1234567890!@#$%^&*()';
    $search .= '~`";:?+/={}[]-_|'';
    for ($i = 0; $i < strlen($search); $i++) {
        $val = preg_replace('/(&#[xX]0{0,8}' . dechex(ord($search[$i])) . ';?)/i', $search[$i], $val);
        $val = preg_replace('/(�{0,8}' . ord($search[$i]) . ';?)/', $search[$i], $val);
    }

    $ra1 = array('javascript', 'vbscript', 'expression', 'applet', 'meta', 'xml', 'blink', 'link', 'style', 'script', 'embed', 'object', 'iframe', 'frame', 'frameset', 'ilayer', 'layer', 'bgsound', 'title', 'base');
    $ra2 = array('onabort', 'onactivate', 'onafterprint', 'onafterupdate', 'onbeforeactivate', 'onbeforecopy', 'onbeforecut', 'onbeforedeactivate', 'onbeforeeditfocus', 'onbeforepaste', 'onbeforeprint', 'onbeforeunload', 'onbeforeupdate', 'onblur', 'onbounce', 'oncellchange', 'onchange', 'onclick', 'oncontextmenu', 'oncontrolselect', 'oncopy', 'oncut', 'ondataavailable', 'ondatasetchanged', 'ondatasetcomplete', 'ondblclick', 'ondeactivate', 'ondrag', 'ondragend', 'ondragenter', 'ondragleave', 'ondragover', 'ondragstart', 'ondrop', 'onerror', 'onerrorupdate', 'onfilterchange', 'onfinish', 'onfocus', 'onfocusin', 'onfocusout', 'onhelp', 'onkeydown', 'onkeypress', 'onkeyup', 'onlayoutcomplete', 'onload', 'onlosecapture', 'onmousedown', 'onmouseenter', 'onmouseleave', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'onmousewheel', 'onmove', 'onmoveend', 'onmovestart', 'onpaste', 'onpropertychange', 'onreadystatechange', 'onreset', 'onresize', 'onresizeend', 'onresizestart', 'onrowenter', 'onrowexit', 'onrowsdelete', 'onrowsinserted', 'onscroll', 'onselect', 'onselectionchange', 'onselectstart', 'onstart', 'onstop', 'onsubmit', 'onunload');
    $ra  = array_merge($ra1, $ra2);

    $found = true;
    while ($found == true) {
        $val_before = $val;
        for ($i = 0; $i < sizeof($ra); $i++) {
            $pattern = '/';
            for ($j = 0; $j < strlen($ra[$i]); $j++) {
                if ($j > 0) {
                    $pattern .= '(';
                    $pattern .= '(&#[xX]0{0,8}([9ab]);)';
                    $pattern .= '|';
                    $pattern .= '|(�{0,8}([9|10|13]);)';
                    $pattern .= ')*';
                }
                $pattern .= $ra[$i][$j];
            }
            $pattern .= '/i';
            $replacement = substr($ra[$i], 0, 2) . '' . substr($ra[$i], 2);
            $val         = preg_replace($pattern, $replacement, $val);
            if ($val_before == $val) {
                $found = false;
            }
        }
    }
    return $val;
} 

3.JSON中文转码

public static function cn_arr_json($arr) {
    $_var = self::var_urlencode($arr);
    $_str = json_encode($_var);
    return urldecode($_str);
}
public static function var_urlencode($var) {
    if (empty($var)) {return false;} //判断参数是否为空
    if (is_array($var)) {
        //判断是否为数组
        foreach ($var as $k => $v) {
            if (is_scalar($v)) {
                //if用来处理不是数组的情况
                $var[$k] = urlencode($v);
            } else {
                $var[$k] = self::var_urlencode($v); //else用来处理数组
            }
        }
    } else {
        $var = urlencode($var); //用来处理数组
    }
    return $var;
} 

4.ajax返回

public function ajaxJson($state = 'success',$msg = '',$params = ''){
    $json = array();
    if($msg){$json['msg'] = $msg;}
    if($params){
        if(is_array($params)){
            foreach($params as $key => $val){
                $json[$key] = $val;
            }
        }else{
            $json['p'] = $params;
        }
    }
    $json['state'] = $state;
    echo json_encode($json);exit;
} 

5.微信获取授权
function _diy_wxauth(authurl,authurl,scope = 'snsapi_base')
{

$appid=XUETANG_APPID;
$secret = XUETANG_SCRECT;
$code = isset($_GET["code"])?$_GET['code']:'';
if($code){

//第一步:取得openid

 $oauth2Url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=$appid&secret=$secret&code=$code&grant_type=authorization_code";
    $oauth2 = getJson($oauth2Url);

//第二步:根据全局access_token和openid查询用户信息

 $access_token = $oauth2["access_token"];
    $openid = $oauth2['openid'];
    $get_user_info_url = "https://api.weixin.qq.com/sns/userinfo?access_token=$access_token&openid=$openid&lang=zh_CN";
    return getJson($get_user_info_url);
}else{
    $redirect_uri = urlencode( WEBSITEURL.$authurl);
    $url ="https://open.weixin.qq.com/connect/oauth2/authorize?appid=$appid&redirect_uri=$redirect_uri&response_type=code&scope=$scope&state=123#wechat_redirect";
    header("Location:".$url);
}

}
//给微信用户发送文字消息
function replyhreftxt(openid,openid,txt)
{

$access_token = getDxToken();
$url          = 'https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=' . $access_token;
if ($openid && $txt) {
    $datajson = '{"touser":"' . $openid . '","msgtype":"text","text":{"content":"' . $txt . '"}}';
    $res      = http_post($url, $datajson);
    if ($res) {
        return true;
    } else {
        return false;
    }
} else {
    return false;
}

}
6.PHPExcel导出Excel表格
/* 兑换列表导出Excel表格
$isDown 是否下载
$title 表格第一列
$data 需要导出的数据
$filename 文件名
*/

public function actionExceldata() {
    $isDown=true;
    $fileName = '兑换列表';
    $title = [0=>'用户名',1=>'手机号',2=>'添加时间',3=>'状态','标题'];
    $getPar = $this->params->get();
    $this->exchangeModels->setParams($getPar);
    $data = $this->exchangeModels->getAll();
    foreach ($data as $k => $v){
        if($v['state'] == 1){
            $data[$k]['state'] = '未发放';
        }elseif($v['state'] == 2){
            $data[$k]['state'] = '待发送';
        }else{
            $data[$k]['state'] = '已发放';
        }
    }
    require($_SERVER['DOCUMENT_ROOT']."/../../vendor/PHPExcel-1.8/Classes/PHPExcel.php");
    require($_SERVER['DOCUMENT_ROOT']."/../../vendor/PHPExcel-1.8/Classes/PHPExcel/IOFactory.php");
    $obj = new PHPExcel();
    //横向单元格标识
    $cellName = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'AA', 'AB', 'AC', 'AD', 'AE', 'AF', 'AG', 'AH', 'AI', 'AJ', 'AK', 'AL', 'AM', 'AN', 'AO', 'AP', 'AQ', 'AR', 'AS', 'AT', 'AU', 'AV', 'AW', 'AX', 'AY', 'AZ');
    $obj->getActiveSheet(0)->setTitle('sheet名称');   //设置sheet名称
    $_row = 1;   //设置纵向单元格标识
    if($title){
        $_cnt = count($title);
        $obj->getActiveSheet(0)->mergeCells('A'.$_row.':'.$cellName[$_cnt-1].$_row);   //合并单元格
        $obj->setActiveSheetIndex(0)->setCellValue('A'.$_row, '数据导出:'.date('Y-m-d H:i:s'));  //设置合并后的单元格内容
        $_row++;
        $i = 0;
        foreach($title AS $v){   //设置列标题
            $obj->setActiveSheetIndex(0)->setCellValue($cellName[$i].$_row, $v);
            $i++;
        }
        $_row++;
    }
    //填写数据
    if($data){
        $i = 0;
        foreach($data AS $_v){
            $j = 0;
            foreach($_v AS $_cell){
                $obj->getActiveSheet(0)->setCellValue($cellName[$j] . ($i+$_row), $_cell);
                $j++;
            }
            $i++;
        }
    }
    //文件名处理
    if(!$fileName){
        $fileName = uniqid(time(),true);
    }
    $objWrite = PHPExcel_IOFactory::createWriter($obj, 'Excel2007');
    if($isDown){   //网页下载
        header('pragma:public');
        header("Content-Disposition:attachment;filename=$fileName.xls");
        $objWrite->save('php://output');exit;
    }
    /*$_fileName = iconv("utf-8", "gb2312", $fileName);   //转码
    $_savePath = $savePath.$_fileName.'.xlsx';
    $objWrite->save($_savePath);exit;*/
    //return $savePath.$fileName.'.xlsx';
}

//导出数据,但是不是Excel表格,优点:导出的数据量比较大
*@param $datas array 设置表格数据
*@param $titlename string 设置head
*@param $title string 设置表头
*/

public function excelData(datas,datas,titlename,title,title,filename){
$str = "rnrnrnrn";
str .="

".str.="".titlename."";
str .=str.=title;
foreach (datas asdatasaskey=> $rt )
{
$str .= "
";
foreach ( rt asrtask => $v )
{
str .= "";
}
$str .= "n";
}
$str .= "
{v}
";
header( "Content-Type: application/vnd.ms-excel; name='excel'" );
header( "Content-type: application/octet-stream" );
header( "Content-Disposition: attachment; filename=".$filename );
header( "Cache-Control: must-revalidate, post-check=0, pre-check=0" );
header( "Pragma: no-cache" );
header( "Expires: 0" );
exit( $str );
}
//导出Excel,无插件
public function actionExportindexdetail()

{
    $this->GiftdetailModels->setParams($this->params->get());
    $list = $this->GiftdetailModels->getAllList();
    $str = "用户名称,礼品,礼品码,礼品对应密码,使用积分,兑换时间n";
    $str = iconv('utf-8','gb2312',$str);
    foreach($list as $row){
        $nickname = iconv("UTF-8", "GB2312//IGNORE",$row['nickname']);
        $giftname = iconv("UTF-8", "GB2312//IGNORE",$row['giftname']);
        $gnumber = iconv("UTF-8", "GB2312//IGNORE",$row['gnumber']);
        $gmima = iconv("UTF-8", "GB2312//IGNORE",$row['gmima']);
        $usescore = iconv("UTF-8", "GB2312//IGNORE",$row['usescore']);
        $addtime = iconv("UTF-8", "GB2312//IGNORE", date('Y-m-d H:i:s',$row['addtime']));
        $str .= $nickname.",".$giftname.",".$gnumber.",".$gmima.",".$usescore.",".$addtime."n";
    }
    $filename = '兑换管理_'.date('YmdHis').'.csv'; //设置文件名
    export_csv($filename,$str); //导出
}

public static function export_csv(filename,filename,data) {

 header("Content-type:text/csv"); 
    header("Content-Disposition:attachment;filename=".$filename); 
    header('Cache-Control:must-revalidate,post-check=0,pre-check=0'); 
    header('Expires:0'); 
    header('Pragma:public'); 
    echo $data; 
} 

7.生成随机验证码
function getCode()
{

$str = "QWERTYUIOPASDFGHJKLZXCVBNM1234567890qwertyuiopasdfghjklzxcvbnm";
return substr(str_shuffle($str),26,10);

}
8.判断手机号归属地
function phoneCity($account)
{

$url = 'http://202.102.221.75:18085/wxservice/hd.jsp';
$serverSign = MD5($account."$"."TTMM%S%XXYY");
$param = array(
    'account' => $account,
    'sign' => $serverSign,
);
$res = CurlPost($url, $param);
$newArr = json_decode($res,true);
return $newArr['ContractRoot']['SvcCont']['SOO'][0]['PHONE_LATN_TYPE_RES'][0]['LATN_ID'];

}
9.成功或失败返回ajax

/**
 * 将错误信息返回给Ajax请求
 * @param string $msg 错误信息描述
 * @param integer $code 错误代码,默认1
 */
public function ajaxError($msg = '', $code = 1) {
    $this->ajaxEcho([
        'error' => $code,
        'msg' => $msg,
    ]);
}

/**
 * 将成功信息返回给Ajax请求
 * @param mix $data 返回数据
 */
public function ajaxSuccess($data = '') {
    $this->ajaxEcho([
        'error' => 0,
        'data' => $data,
    ]);
}

/**
 * 一般情况下直接使用ajaxSuccess和ajaxError可以满足绝大部分需求
 * 考虑灵活性,本函数设置为公开,以满足特殊需求
 */
public function ajaxEcho($arr) {
    header('Content-type:application/json;charset=utf-8');
    echo json_encode($arr);
    exit;
}

10.正则表达式

function regex($value,$rule) {
    $validate = array(
            'require'   =>  '/S+/',
            'email'     =>  '/^w+([-+.]w+)*@w+([-.]w+)*.w+([-.]w+)*$/',
            'url'       =>  '/^http(s?)://(?:[A-za-z0-9-]+.)+[A-za-z]{2,4}(?:[/?#][/=?%-&~`@[]':+!.#w]*)?$/',
            'currency'  =>  '/^d+(.d+)?$/',
            'number'    =>  '/^d+$/',
            'qq'        =>  '/^d*$/',
            'telephone' =>  '/^0([1-9]{3})([0-9]{7,8})$/',
            'zip'       =>  '/^d{6}$/',
            'integer'   =>  '/^[-+]?d+$/',
            'double'    =>  '/^[-+]?d+(.d+)?$/',
            'english'   =>  '/^[A-Za-z]+$/',
            'mobile'    =>  '/^1[3-9]{1}[0-9]{1}[0-9]{8}$/',
    );
    // 检查是否有内置的正则表达式
    if(isset($validate[strtolower($rule)]))
        $rule       =   $validate[strtolower($rule)];
    return preg_match($rule,$value)===1;
} 

11.将xml转为array
public function FromXml($xml)

{    
    if(!$xml){
        throw new WxPayException("xml数据异常!");
    }
    //将XML转为array
    //禁止引用外部xml实体
    libxml_disable_entity_loader(true);
    $this->values = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);        
    return $this->values;
}

12.输出xml字符

public function ToXml() {
    if(!is_array($this->values) 
        || count($this->values) <= 0)
    {
        throw new WxPayException("数组数据异常!");
    }
    
    $xml = "";
    foreach ($this->values as $key=>$val)
    {
        if (is_numeric($val)){
            $xml.="<".$key.">".$val."";
        }else{
            $xml.="<".$key.">";
        }
    }
    $xml.="";
    return $xml; 
}

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