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【PHP】常用方法库Utils.php，长期持续更新

| 阅读：2244 发表时间：2020-05-04 14:20:21 技术专栏

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1、curl 常用post和get：

function curl_post($url, $data)
	{
	    $ch = curl_init();
	    curl_setopt($ch, CURLOPT_POST, 1);
	    curl_setopt($ch, CURLOPT_HEADER, 0);
	    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	    curl_setopt($ch, CURLOPT_URL, $url);
	    curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
	    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
	    $result = curl_exec($ch);
	    curl_close($ch);
	    return $result;
	}


function curl_get($url){
	$ch=curl_init($url);
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
	curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Linux; U; Android 4.4.1; zh-cn; R815T Build/JOP40D) AppleWebKit/533.1 (KHTML, like Gecko)Version/4.0 MQQBrowser/4.5 Mobile Safari/533.1');
	curl_setopt($ch, CURLOPT_TIMEOUT, 30);
	$content=curl_exec($ch);
	curl_close($ch);
	return($content);
}

2、取随机数

function nonce_str($length=16) {
        $returnStr='';
        $pattern = '1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
        for($i = 0; $i < $length; $i ++) {
            $returnStr .= $pattern {mt_rand ( 0, 61 )};
        }
        return $returnStr;
    }

3、获取客户端IP

 function get_ip() {
        if (isset($_SERVER)) {
            if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
                $realip = $_SERVER['HTTP_X_FORWARDED_FOR'];
            } elseif (isset($_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");
            } elseif (getenv("HTTP_CLIENT_IP")) {
                $realip = getenv("HTTP_CLIENT_IP");
            } else {
                $realip = getenv("REMOTE_ADDR");
            }
        }
        return $realip;
    }

4、图片转base64

/**
 * 图片转base64编码
 * @param $image_file
 * @return string
 */
function base64_encode_image ($image_file) {
    $base64_image = '';
    $image_info = getimagesize($image_file);
    $image_data = fread(fopen($image_file, 'r'), filesize($image_file));
    $base64_image = 'data:' . $image_info['mime'] . ';base64,' . chunk_split(base64_encode($image_data));
    return $base64_image;
}

5、根据类型变量生成UUID

/**
 * 根据PHP各种类型变量生成唯一标识号
 * @param mixed $mix 变量
 * @return string
 */
function to_guid_string($mix)
{
    if (is_object($mix)) {
        return spl_object_hash($mix);
    } elseif (is_resource($mix)) {
        $mix = get_resource_type($mix) . strval($mix);
    } else {
        $mix = serialize($mix);
    }
    return md5($mix);
}

6、字符串截取

/**
 * 字符截取
 * @param $string 需要截取的字符串
 * @param $length 长度
 * @param $dot
 */
function str_cut($sourcestr, $length, $dot = '...')
{
    $returnstr = '';
    $i = 0;
    $n = 0;
    $str_length = strlen($sourcestr); //字符串的字节数
    while (($n < $length) && ($i <= $str_length)) {
        $temp_str = substr($sourcestr, $i, 1);
        $ascnum = Ord($temp_str); //得到字符串中第$i位字符的ascii码
        if ($ascnum >= 224) { //如果ASCII位高与224，
            $returnstr = $returnstr . substr($sourcestr, $i, 3); //根据UTF-8编码规范，将3个连续的字符计为单个字符
            $i = $i + 3; //实际Byte计为3
            $n++; //字串长度计1
        } elseif ($ascnum >= 192) { //如果ASCII位高与192，
            $returnstr = $returnstr . substr($sourcestr, $i, 2); //根据UTF-8编码规范，将2个连续的字符计为单个字符
            $i = $i + 2; //实际Byte计为2
            $n++; //字串长度计1
        } elseif ($ascnum >= 65 && $ascnum <= 90) {
            //如果是大写字母，
            $returnstr = $returnstr . substr($sourcestr, $i, 1);
            $i = $i + 1; //实际的Byte数仍计1个
            $n++; //但考虑整体美观，大写字母计成一个高位字符
        } else {
//其他情况下，包括小写字母和半角标点符号，
            $returnstr = $returnstr . substr($sourcestr, $i, 1);
            $i = $i + 1; //实际的Byte数计1个
            $n = $n + 0.5; //小写字母和半角标点等与半个高位字符宽...
        }
    }
    if ($str_length > strlen($returnstr)) {
        $returnstr = $returnstr . $dot; //超过长度时在尾处加上省略号
    }
    return $returnstr;
}

7、常用生成难验名方法[适用于微信]

/**
 * 数据签名认证
 * @param  array  $data 被认证的数据
 * @return string       签名
 */
function data_auth_sign($data)
{
    //数据类型检测
    if (!is_array($data)) {
        $data = (array) $data;
    }
    ksort($data); //排序
    $code = http_build_query($data); //url编码并生成query字符串
    $sign = sha1($code); //生成签名
    return $sign;
}

8、生成唯一订单号

/**
 *生成订单号
 *@return string
 */
function neworder_num(){
	$yCode = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J');
	$orderSn = $yCode[intval(date('Y')) - 2011] . strtoupper(dechex(date('m'))) . date('d') . substr(time(), -5) . substr(microtime(), 2, 5) . sprintf('%02d', rand(0, 99));
	return $orderSn;
}

9、通用格式化字符串方法（适用于隐藏银行卡、手机号、身份证号等 ）

/**
 * 隐藏字符串
 * @param  string  $str 格式化之前的原数据
 * @param  string  $replacement  替换为的字符一般如：*,.,x...
 * @param  string  $start, $length 从哪位到哪位
 * @return string  格式化的字符串
 */function fmt_card($str, $replacement = '*', $start = 5, $length = 10)
{
    $len = mb_strlen($str,'utf-8');
    if ($len > intval($start+$length)) {
        $str1 = mb_substr($str,0,$start,'utf-8');
        $str2 = mb_substr($str,intval($start+$length),NULL,'utf-8');
    } else {
        $str1 = mb_substr($str,0,1,'utf-8');
        $str2 = mb_substr($str,$len-1,1,'utf-8');
        $length = $len - 2;
    }
    $new_str = $str1;
    for ($i = 0; $i < $length; $i++) {
        $new_str .= $replacement;
    }
    $new_str .= $str2;
    return $new_str;
}

10、验证手机号

//验证手机号
function check_phone($number){
	if(preg_match("/^1\d{10}$/",$number)){  
	    return true;
	}else{  
	    return false;
	} 
}

11、验证银行卡

function check_bankcode($s){
	$n = 0;
	for ($i = strlen($s); $i >= 1; $i--){
		$index=$i-1;
		//偶数位
		if ($i % 2==0){
			$n += $s{$index};
		}else{//奇数位
			$t = $s{$index} * 2;
			if ($t > 9) {
				$t = (int)($t/10)+ $t%10;
			}
			$n += $t;
		}
	}
	return ($n % 10) == 0;
}

12、根据IP获取所属省市

function ip_city_str($str){
	return str_replace(array('省','市'),'',$str);
}

function get_ip_city($ip)   //太平洋接口
{
    $url = 'http://whois.pconline.com.cn/ipJson.jsp?json=true&ip=';
    $city = curl_get($url . $ip);
	$city = mb_convert_encoding($city, "UTF-8", "GB2312");
    $city = json_decode($city, true);
    if ($city['city']) {
        $location = ip_city_str($city['pro']).ip_city_str($city['city']);
    } else {
        $location = ip_city_str($city['pro']);
    }
	if($location){
		return $location;
	}else{
		return false;
	}
}

function get_ip_city3($ip)     //淘宝接口
{
    $url = 'http://ip.taobao.com/service/getIpInfo.php?ip=';
    @$data = file_get_contents($url . $ip);
    $arr = json_decode($data, true);
	if (array_key_exists('code',$arr) && $arr['code']==0) {
		if ($arr['data']['city']) {
			$location = $arr['data']['region'].$arr['data']['city'];
		} else {
			$location = $arr['data']['region'];
		}
	}
	if($location){
		return $location;
	}else{
		return false;
	}
}

13、随机模拟生成IP

function generate_rand_ip(){

    $ip2id= round(rand(600000, 2550000) / 10000); //第一种方法，直接生成
    $ip3id= round(rand(600000, 2550000) / 10000);
    $ip4id= round(rand(600000, 2550000) / 10000);
    //下面是第二种方法，在以下数据中随机抽取
    $arr_1 = array("218","218","66","66","218","218","60","60","202","204","66","66","66","59","61","60","222","221","66","59","60","60","66","218","218","62","63","64","66","66","122","211");
    $randarr= mt_rand(0,count($arr_1)-1);
    $ip1id = $arr_1[$randarr];
    return $ip1id.".".$ip2id.".".$ip3id.".".$ip4id;
}

14、微信发送模板消息

function messages($content,$from,$openid,$nick){
  $template = array(
                'touser'=>$openid,
                'template_id'=>"FkBrGCTtFhVRj8GmUm-YXBZqHyLKJcIp60i3jtfEyz0",
                'url'=>"http://www.uuuho.com",
                'topcolor'=>"#576b95",
                'data'=>array(
                    'first'=>array('value'=>urlencode($nick.",您有一条新的消息"),'color'=>"#576b95"),
                    'keyword1'=>array('value'=>urlencode($from),'color'=>'#576b95'),
                    'keyword2'=>array('value'=>urlencode(date('Y-m-d H:i:s',time())),'color'=>'#576b95'),
                    'keyword3'=>array('value'=>urlencode($content),'color'=>'#0e0e0e'),
                    'remark'=>array('value'=>urlencode('点击立即回复'),'color'=>'#576b95'), )
            );
  $json_token=http_request("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=SECRET");
  $access_token=json_decode($json_token,true);
  $access_tokens=$access_token['access_token'];
  $json_template=json_encode($template);
  $url="https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=".$access_tokens;
  $res=http_request($url,urldecode($json_template));
  $res = json_decode($res,true);
  return 1;
}

15、根据日期判断星座

/*
* 计算星座的函数 string get_zodiac_sign(string month, string day)
* 输入：月份，日期
* 输出：星座名称或者错误信息
*/

function get_zodiac_sign($month, $day)
{
    // 检查参数有效性
    if ($month < 1 || $month > 12 || $day < 1 || $day > 31)
        return (false);
        // 星座名称以及开始日期
        $signs = array(
        array( "20" => "水瓶座"),
        array( "19" => "双鱼座"),
        array( "21" => "白羊座"),
        array( "20" => "金牛座"),
        array( "21" => "双子座"),
        array( "22" => "巨蟹座"),
        array( "23" => "狮子座"),
        array( "23" => "处女座"),
        array( "23" => "天秤座"),
        array( "24" => "天蝎座"),
        array( "22" => "射手座"),
        array( "22" => "摩羯座")
    );
    list($sign_start, $sign_name) = each($signs[(int)$month-1]);
    if ($day < $sign_start)
    list($sign_start, $sign_name) = each($signs[($month -2 < 0) ? $month = 11: $month -= 2]);
    return $sign_name;
}

16、计算距离现在的时间

/**
 * 传入时间戳,计算距离现在的时间
 * @param  number $time 时间戳
 * @return string     返回多少以前
 */
function word_time($time) {
    $time = (int) substr($time, 0, 10);
    $int = time() - $time;
    $str = '';
    if ($int <= 2){
        $str = sprintf('刚刚', $int);
    }elseif ($int < 60){
        $str = sprintf('%d秒前', $int);
    }elseif ($int < 3600){
        $str = sprintf('%d分钟前', floor($int / 60));
    }elseif ($int < 86400){
        $str = sprintf('%d小时前', floor($int / 3600));
    }elseif ($int < 1728000){
        $str = sprintf('%d天前', floor($int / 86400));
    }else{
        $str = date('Y-m-d H:i:s', $time);
    }
    return $str;
}

17、获取当前页面网址

/**
     * 获取当前的url 地址
     * @return type
     */
function get_url() {
        $sys_protocal = isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://';
        $php_self = $_SERVER['PHP_SELF'] ? $_SERVER['PHP_SELF'] : $_SERVER['SCRIPT_NAME'];
        $path_info = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : '';
        $relate_url = isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : $php_self.(isset($_SERVER['QUERY_STRING']) ? '?'.$_SERVER['QUERY_STRING'] : $path_info);
        return $sys_protocal.(isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '').$relate_url;
}    
    

18、计算两个日期相隔多少天

function diffBetweenTwoDays ($day1, $day2)
{
  $second1 = strtotime($day1);
  $second2 = strtotime($day2);
    
  if ($second1 < $second2) {
    $tmp = $second2;
    $second2 = $second1;
    $second1 = $tmp;
  }
  return ($second1 - $second2) / 86400;
}

19、正则简单使用

$html = file_get_contents("http://wwww.baidu.com");
//简单使用(.*?)可以匹配到数据
$rule = '/<span id="title" style="color:red;">(.*?)<\/span>/ies';   
$res = preg_match_all($rule,$html,$match);  //结果匹配数组渲染进$match
var_dump($match);die;   //输出查看结果
$title = $match[0][0];
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