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318 lines
8.7 KiB
318 lines
8.7 KiB
<?php
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namespace App\Common;
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class Helper
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{
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//保留两位小数，最后一位会四舍五入
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public static function formatPrice($price)
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{
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return sprintf("%.2f",$price);
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}
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//验证是否是合法的手机号码
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public static function isValidMobile($mobile)
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{
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return preg_match('/^(13[0-9]|14[0-9]|15[0-9]|17[0-9]|18[0-9])\d{8}$/', $mobile);
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}
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//验证是否是合法中文
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public static function isValidChinese($word, $length = 16)
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{
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$pattern = "/(^[\x{4e00}-\x{9fa5}]+)/u";
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preg_match($pattern, $word, $match);
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if (!$match)
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{
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return false;
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}
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if (mb_strlen($match[1]) > $length)
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{
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return false;
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}
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return $match[1];
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}
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//验证是否是合法的身份证号，简单验证
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public static function isValidIdCardNo($idcard)
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{
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$length = strlen($idcard);
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//15位老身份证
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if ($length == 15)
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{
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if (checkdate(substr($idcard, 8, 2), substr($idcard, 10, 2), '19' . substr($idcard, 6, 2)))
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{
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return true;
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}
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}
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//18位二代身份证号
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if ($length == 18)
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{
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if (!checkdate(substr($idcard, 10, 2), substr($idcard, 12, 2), substr($idcard, 6, 4)))
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{
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return false;
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}
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$idcard = str_split($idcard);
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if (strtolower($idcard[17]) == 'x')
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{
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$idcard[17] = '10';
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}
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//加权求和
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$sum = 0;
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//加权因子
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$wi = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1];
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for ($i = 0; $i < 17; $i++)
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{
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$sum += $wi[$i] * $idcard[$i];
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}
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//得到验证码所位置
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$position = $sum % 11;
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//身份证验证位值 10代表X
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$code = [1, 0, 10, 9, 8, 7, 6, 5, 4, 3, 2];
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if ($idcard[17] == $code[$position])
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{
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return true;
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}
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}
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return false;
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}
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//验证是否是合法的银行卡，不包含信用卡
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public static function isValidBankCard($card)
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{
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if (!is_numeric($card))
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{
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return false;
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}
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if (strlen($card) < 16 || strlen($card) > 19)
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{
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return false;
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}
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$cardHeader = [10, 18, 30, 35, 37, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 58, 60, 62, 65, 68, 69, 84, 87, 88, 94, 95, 98, 99];
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if (!in_array(substr($card, 0, 2), $cardHeader))
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{
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return false;
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}
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$numShouldCheck = str_split(substr($card, 0, -1));
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krsort($numShouldCheck);
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$odd = $odd['gt9'] = $odd['gt9']['tens'] = $odd['gt9']['unit'] = $odd['lt9'] = $even = [];
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array_walk($numShouldCheck, function ($item, $key) use (&$odd, &$even, $card){
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if ((strlen($card) == 16) && (substr($card, 0, 2) == '62'))
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{
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$key += 1;
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}
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if (($key & 1))
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{
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$t = $item * 2;
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if ($t > 9)
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{
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$odd['gt9']['unit'][] = intval($t % 10);
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$odd['gt9']['tens'][] = intval($t / 10);
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}
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else
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{
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$odd['lt9'][] = $t;
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}
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}
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else
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{
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$even[] = $item;
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}
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});
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$total = array_sum($even);
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array_walk_recursive($odd, function ($item, $key) use (&$total) {
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$total += $item;
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});
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$luhm = 10 - ($total % 10 == 0 ? 10 : $total % 10);
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$lastNumOfCard = substr($card, -1, 1);
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if ($luhm != $lastNumOfCard)
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{
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return false;
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}
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return true;
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}
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//随机字母
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public static function randLetter($len)
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{
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$letter = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
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$result = '';
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for ($i = 0; $i < $len; $i++)
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{
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$result .= $letter[array_rand($letter, 1)];
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}
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return $result;
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}
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//生成二维码
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public static function qrcode($url,$size=150)
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{
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return 'data:image/png;base64,'.base64_encode(\QrCode::format('png')->encoding('UTF-8')->size($size)->margin(0)->errorCorrection('H')->generate($url));
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}
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//获取浏览器信息
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public static function getBrowser()
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{
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$browser = array('name'=>'unknown', 'version'=>'unknown');
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if(empty($_SERVER['HTTP_USER_AGENT'])) return $browser;
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$agent = $_SERVER["HTTP_USER_AGENT"];
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// Chrome should checked before safari
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if(strpos($agent, 'Firefox') !== false) $browser['name'] = "firefox";
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if(strpos($agent, 'Opera') !== false) $browser['name'] = 'opera';
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if(strpos($agent, 'Safari') !== false) $browser['name'] = 'safari';
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if(strpos($agent, 'Chrome') !== false) $browser['name'] = "chrome";
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// Check the name of browser
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if(strpos($agent, 'MSIE') !== false || strpos($agent, 'rv:11.0')) $browser['name'] = 'ie';
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if(strpos($agent, 'Edge') !== false) $browser['name'] = 'edge';
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// Check the version of browser
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if(preg_match('/MSIE\s(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
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if(preg_match('/FireFox\/(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
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if(preg_match('/Opera[\s|\/](\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
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if(preg_match('/Chrome\/(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
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if((strpos($agent, 'Chrome') == false) && preg_match('/Safari\/(\d+)\..*$/i', $agent, $regs)) $browser['version'] = $regs[1];
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if(preg_match('/rv:(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
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if(preg_match('/Edge\/(\d+)\..*/i', $agent, $regs)) $browser['version'] = $regs[1];
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return $browser;
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}
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/**
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* 检查是否是AJAX请求。
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* Check is ajax request.
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*
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* @static
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* @access public
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* @return bool
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*/
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public static function isAjaxRequest()
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{
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if(isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') return true;
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if(isset($_GET['HTTP_X_REQUESTED_WITH']) && $_GET['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') return true;
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return false;
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}
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/**
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* 检查是否是POST请求
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*/
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public static function isPostRequest()
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{
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if($_SERVER['REQUEST_METHOD'] == 'POST') return true;
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if($_POST) return true;
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return false;
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}
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/**
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* 是否是GET提交的
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*/
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public static function isGetRequest()
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{
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return $_SERVER['REQUEST_METHOD'] == 'GET' ? true : false;
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}
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/**
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* 301跳转。
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* Header 301 Moved Permanently.
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*
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* @param string $locate
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* @access public
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* @return void
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*/
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public static function header301($locate)
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{
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header('HTTP/1.1 301 Moved Permanently');
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die(header('Location:' . $locate));
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}
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/**
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* 获取远程IP。
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* Get remote ip.
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*
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* @access public
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* @return string
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*/
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public static function getRemoteIp()
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{
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$ip = '';
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if(!empty($_SERVER["REMOTE_ADDR"])) $ip = $_SERVER["REMOTE_ADDR"];
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if(!empty($_SERVER["HTTP_X_FORWARDED_FOR"])) $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
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if(!empty($_SERVER['HTTP_CLIENT_IP'])) $ip = $_SERVER['HTTP_CLIENT_IP'];
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return $ip;
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}
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/**
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* 建立文件夹
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*
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* @param string $aimUrl
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* @return viod
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*/
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public static function createDir($aimUrl)
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{
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$aimUrl = str_replace('', '/', $aimUrl);
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$aimDir = '';
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$arr = explode('/', $aimUrl);
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$result = true;
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foreach ($arr as $str)
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{
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$aimDir .= $str . '/';
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if (!file_exists($aimDir))
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{
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$result = mkdir($aimDir);
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}
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}
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return $result;
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}
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//判断访问终端是否是微信浏览器
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public static function isWechatBrowser()
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{
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if (strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') !== false)
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{
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return true;
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}
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return false;
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}
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//判断是不是https
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public static function isHttpsRequest()
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{
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if((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on') || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) return true;
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if($_SERVER['SERVER_PORT'] == 443) return true;
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return false;
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}
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}
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