【PHP】PHP实现阿拉伯数字转化为大写汉字 class Num2Cny{ static $basical = array(0 => "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"); static $advanced = array(1 => "拾", "佰", "仟"); public static function ParseNumber($number){ $number = trim($number); if ($number > 999999999999) return "数字太大，无法处理。抱歉！"; if ($number == 0) return "零"; if (strpos($number, '.')) { $number = round($number, 2); $data = explode(".", $number); $data[0] = self::int($data[0]); $data[1] = self::dec($data[1]); return $data[0] . $data[1]; } else { return self::int($number) . '整'; } } public static function int($number){ $arr = array_reverse(str_split($number)); $data = ''; $zero = false; $zero_num = 0; foreach ($arr as $k => $v) { $_chinese = ''; $zero = ($v == 0) ? true : false; $x = $k % 4; if ($x && $zero && $zero_num > 1) continue; switch ($x) { case 0: if ($zero) { $zero_num = 0; } else { $_chinese = self::$basical[$v]; $zero_num = 1; } if ($k == 8) { $_chinese .= '亿'; } elseif ($k == 4) { $_chinese .= '万'; } break; default: if ($zero) { if ($zero_num == 1) { $_chinese = self::$basical[$v]; $zero_num++; } } else { $_chinese = self::$basical[$v]; $_chinese .= self::$advanced[$x]; } } $data = $_chinese . $data; } return $data . '元'; } public static function dec($number){ if (strlen($number) < 2) $number .= '0'; $arr = array_reverse(str_split($number)); $data = ''; $zero_num = false; foreach ($arr as $k => $v) { $zero = ($v == 0) ? true : false; $_chinese = ''; if ($k == 0) { if (!$zero) { $_chinese = self::$basical[$v]; $_chinese .= '分'; $zero_num = true; } } else { if ($zero) { if ($zero_num) { $_chinese = self::$basical[$v]; } } else { $_chinese = self::$basical[$v]; $_chinese .= '角'; } } $data = $_chinese . $data; } return $data; } } 使用方法 Num2Cny::ParseNumber($number); 注意：命名空间，访问方法，接受的$number数据验证

【PHP】PHP实现表格转换成数组 /** * @Author:小破孩 * @Time:2020/07/20 11:42 * @param $table 表格html代码 * @return mixed * @Description: 表格转数组 */ function tableArr($table){ $table = preg_replace("'<table[^>]*?>'si", "", $table); $table = preg_replace("'<tr[^>]*?>'si", "", $table); $table = preg_replace("'<td[^>]*?>'si", "", $table); $table = str_replace("</tr>", "{tr}", $table); $table = str_replace("</td>", "{td}", $table); //去掉 HTML 标记 $table = preg_replace("'<[/!]*?[^<>]*?>'si", "", $table); //去掉空白字符 $table = preg_replace("'([rn])[s]+'", "", $table); $table = preg_replace('/&nbsp;/', "", $table); $table = str_replace(" ", "", $table); $table = str_replace(" ", "", $table); $table = explode('{tr}', $table); array_pop($table); foreach ($table as $key => $tr) { $td = explode('{td}', $tr); array_pop($td); $td_array[] = $td; } return $td_array; }

【PHP】PHP常见header头 //200 正常状态 header('HTTP/1.1 200 OK'); // 301 永久重定向，记得在后面要加重定向地址 Location:$url header('HTTP/1.1 301 Moved Permanently'); // 重定向，其实就是302 暂时重定向 header('Location: http://www.maiyoule.com/'); // 设置页面304 没有修改 header('HTTP/1.1 304 Not Modified'); // 显示登录框， header('HTTP/1.1 401 Unauthorized'); header('WWW-Authenticate: Basic realm="登录信息"'); echo '显示的信息！'; // 403 禁止访问 header('HTTP/1.1 403 Forbidden'); // 404 错误 header('HTTP/1.1 404 Not Found'); // 500 服务器错误 header('HTTP/1.1 500 Internal Server Error'); // 3秒后重定向指定地址(也就是刷新到新页面与 <meta http-equiv="refresh" content="10;http://www.maiyoule.com/ /> 相同) header('Refresh: 3; url=http://www.maiyoule.com/'); echo '10后跳转到http://www.maiyoule.com'; // 重写 X-Powered-By 值 header('X-Powered-By: PHP/5.3.0'); header('X-Powered-By: Brain/0.6b'); //设置上下文语言 header('Content-language: en'); // 设置页面最后修改时间（多用于防缓存） $time = time() - 60; //建议使用filetime函数来设置页面缓存时间 header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT'); // 设置内容长度 header('Content-Length: 39344'); // 设置头文件类型，可以用于流文件或者文件下载 header('Content-Type: application/octet-stream'); header('Content-Disposition: attachment; filename="example.zip"'); header('Content-Transfer-Encoding: binary'); readfile('example.zip');//读取文件到客户端 //禁用页面缓存 header('Cache-Control: no-cache, no-store, max-age=0, must-revalidate'); header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); header('Pragma: no-cache'); //设置页面头信息 header('Content-Type: text/html; charset=iso-8859-1'); header('Content-Type: text/html; charset=utf-8'); header('Content-Type: text/plain'); header('Content-Type: image/jpeg'); header('Content-Type: application/zip'); header('Content-Type: application/pdf'); header('Content-Type: audio/mpeg'); header('Content-Type: application/x-shockwave-flash'); //.... 至于Content-Type 的值 可以去查查 w3c 的文档库，那里很丰富

【PHP】PHP实现加密和解密 /** * @Author:小破孩 * @Time: 2020/7/21 16:51 * @param $txt 加密的文本 * @param string $key * @return string * @Description:加密 */ function lock_url($txt,$key='abcd'){ $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-=+"; $nh = rand(0,64); $ch = $chars[$nh]; $mdKey = md5($key.$ch); $mdKey = substr($mdKey,$nh%8, $nh%8+7); $txt = base64_encode($txt); $tmp = ''; $i=0;$j=0;$k = 0; for ($i=0; $i<strlen($txt); $i++) { $k = $k == strlen($mdKey) ? 0 : $k; $j = ($nh+strpos($chars,$txt[$i])+ord($mdKey[$k++]))%64; $tmp .= $chars[$j]; } return urlencode($ch.$tmp); } /** * @Author:小破孩 * @Time: 2020/7/21 16:51 * @param $txt 解密的文本 * @param string $key * @return false|string * @Description:解密 */ function unlock_url($txt,$key='abcd'){ $txt = urldecode($txt); $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-=+"; $ch = $txt[0]; $nh = strpos($chars,$ch); $mdKey = md5($key.$ch); $mdKey = substr($mdKey,$nh%8, $nh%8+7); $txt = substr($txt,1); $tmp = ''; $i=0;$j=0; $k = 0; for ($i=0; $i<strlen($txt); $i++) { $k = $k == strlen($mdKey) ? 0 : $k; $j = strpos($chars,$txt[$i])-$nh - ord($mdKey[$k++]); while ($j<0) $j+=64; $tmp .= $chars[$j]; } return base64_decode($tmp); } 更新/** * @Author: 小破孩嫩 * @Email: 3584685883@qq.com * @Time: 2021/3/26 17:59 * @param string $key * @param $string * @return string * @Description：加密 */ public function encryption($txt,$key='sflksdfpds456f4s4f9sd4fsd54fs9847d4ds4sd4fs'){ $txt = $txt.$key; $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-=+"; $nh = rand(0,64); $ch = $chars[$nh]; $mdKey = md5($key.$ch); $mdKey = substr($mdKey,$nh%8, $nh%8+7); $txt = base64_encode($txt); $tmp = ''; $i=0;$j=0;$k = 0; for ($i=0; $i<strlen($txt); $i++) { $k = $k == strlen($mdKey) ? 0 : $k; $j = ($nh+strpos($chars,$txt[$i])+ord($mdKey[$k++]))%64; $tmp .= $chars[$j]; } return urlencode(base64_encode($ch.$tmp)); } /** * @Author: 小破孩嫩 * @Email: 3584685883@qq.com * @Time: 2021/3/26 17:59 * @param string $key * @param $string * @return string * @Description：解密 */ public function decryption($txt,$key='sflksdfpds456f4s4f9sd4fsd54fs9847d4ds4sd4fs'){ $txt = base64_decode(urldecode($txt)); $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-=+"; $ch = $txt[0]; $nh = strpos($chars,$ch); $mdKey = md5($key.$ch); $mdKey = substr($mdKey,$nh%8, $nh%8+7); $txt = substr($txt,1); $tmp = ''; $i=0;$j=0; $k = 0; for ($i=0; $i<strlen($txt); $i++) { $k = $k == strlen($mdKey) ? 0 : $k; $j = strpos($chars,$txt[$i])-$nh - ord($mdKey[$k++]); while ($j<0) $j+=64; $tmp .= $chars[$j]; } return trim(base64_decode($tmp),$key); } 更新/** * @Author: 小破孩嫩 * @Email: 3584685883@qq.com * @Time: 2021/3/29 10:10 * @param $string * @param string $operation * @param string $key * @return false|string|string[] * @Description：函数encrypt($string,$operation,$key)中$string：需要加密解密的字符串；$operation：判断是加密还是解密，E表示加密，D表示解密；$key：密匙。 */ public function encryption($string,$operation = 'E',$key='sflksdfpds456f4s4f9sd4fsd54fs9847d4ds4sd4fs'){ $key=md5($key); $key_length=strlen($key); $string=$operation=='D'?base64_decode($string):substr(md5($string.$key),0,8).$string; $string_length=strlen($string); $rndkey=$box=array(); $result=''; for($i=0;$i<=255;$i++){ $rndkey[$i]=ord($key[$i%$key_length]); $box[$i]=$i; } for($j=$i=0;$i<256;$i++){ $j=($j+$box[$i]+$rndkey[$i])%256; $tmp=$box[$i]; $box[$i]=$box[$j]; $box[$j]=$tmp; } for($a=$j=$i=0;$i<$string_length;$i++){ $a=($a+1)%256; $j=($j+$box[$a])%256; $tmp=$box[$a]; $box[$a]=$box[$j]; $box[$j]=$tmp; $result.=chr(ord($string[$i])^($box[($box[$a]+$box[$j])%256])); } if($operation=='D'){ if(substr($result,0,8)==substr(md5(substr($result,8).$key),0,8)){ return substr($result,8); }else{ return''; } }else{ return str_replace('=','',base64_encode($result)); } } 更新/** * @Author: 小破孩嫩 * @Email: 3584685883@qq.com * @Time: 2021/3/29 10:11 * @param $string 字符串，明文或密文； * @param string $operation DECODE表示解密，其它表示加密； * @param string $key 密匙； * @param int $expiry 密文有效期 * @return false|string * @Description：非常给力的authcode加密函数,Discuz!经典代码(带详解) */ public function encryption($string, $operation = 'DECODE', $key = 'sflksdfpds456f4s4f9sd4fsd54fs9847d4ds4sd4fs', $expiry = 0) { // 动态密匙长度，相同的明文会生成不同密文就是依靠动态密匙 $ckey_length = 4; // 密匙 $key = md5($key ? $key : $GLOBALS['discuz_auth_key']); // 密匙a会参与加解密 $keya = md5(substr($key, 0, 16)); // 密匙b会用来做数据完整性验证 $keyb = md5(substr($key, 16, 16)); // 密匙c用于变化生成的密文 $keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : ''; // 参与运算的密匙 $cryptkey = $keya.md5($keya.$keyc); $key_length = strlen($cryptkey); // 明文，前10位用来保存时间戳，解密时验证数据有效性，10到26位用来保存$keyb(密匙b)， //解密时会通过这个密匙验证数据完整性 // 如果是解码的话，会从第$ckey_length位开始，因为密文前$ckey_length位保存 动态密匙，以保证解密正确 $string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string; $string_length = strlen($string); $result = ''; $box = range(0, 255); $rndkey = array(); // 产生密匙簿 for($i = 0; $i <= 255; $i++) { $rndkey[$i] = ord($cryptkey[$i % $key_length]); } // 用固定的算法，打乱密匙簿，增加随机性，好像很复杂，实际上对并不会增加密文的强度 for($j = $i = 0; $i < 256; $i++) { $j = ($j + $box[$i] + $rndkey[$i]) % 256; $tmp = $box[$i]; $box[$i] = $box[$j]; $box[$j] = $tmp; } // 核心加解密部分 for($a = $j = $i = 0; $i < $string_length; $i++) { $a = ($a + 1) % 256; $j = ($j + $box[$a]) % 256; $tmp = $box[$a]; $box[$a] = $box[$j]; $box[$j] = $tmp; // 从密匙簿得出密匙进行异或，再转成字符 $result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256])); } if($operation == 'DECODE') { // 验证数据有效性，请看未加密明文的格式 if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) { return substr($result, 26); } else { return ''; } } else { // 把动态密匙保存在密文里，这也是为什么同样的明文，生产不同密文后能解密的原因 // 因为加密后的密文可能是一些特殊字符，复制过程可能会丢失，所以用base64编码 return $keyc.str_replace('=', '', base64_encode($result)); } }

【PHP】PHP判断是否是URL <?php function isUrl($s){ return preg_match('/^http[s]?:\/\/'. '(([0-9]{1,3}\.){3}[0-9]{1,3}'. // IP形式的URL- 199.194.52.184 '|'. // 允许IP和DOMAIN（域名） '([0-9a-z_!~*\'()-]+\.)*'. // 三级域验证- www. '([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]\.'. // 二级域验证 '[a-z]{2,6})'. // 顶级域验证.com or .museum '(:[0-9]{1,4})?'. // 端口- :80 '((\/\?)|'. // 如果含有文件对文件部分进行校验 '(\/[0-9a-zA-Z_!~\*\'\(\)\.;\?:@&=\+\$,%#-\/]*)?)$/', $s) == 1; } $url = "https://www.baidu.com"; if(isUrl($url)){ echo 11; }else{ echo 00; } ?>

【PHP】PHP解决跨域 解决跨域问题 // 指定允许其他域名访问 //header('Access-Control-Allow-Origin: '.$_SERVER['HTTP_ORIGIN']); header('Access-Control-Allow-Origin: *'); // 响应类型 header('Access-Control-Allow-Methods:POST'); // 响应头设置 header('Access-Control-Allow-Headers:x-requested-with,content-type'); //允许cookie 跨域（跨域资源共享） header('Access-Control-Allow-Credentials: true'); //万能解决跨域问题 header("Access-Control-Allow-Origin: *"); header('Access-Control-Allow-Methods:*'); header('Access-Control-Allow-Headers:*'); header("Access-Control-Request-Headers: *");

【PHP】PHP查看两个数组值的区别 /** * @param $arr1 提交的参数 * @param $arr2 查到的参数 * @return array 返回值 * @description 查看数组值的区别 */ function diffArray($arr1 , $arr2 ){ $arrRet = array(); #针对关联数组 if(is_assoc($arr1) && is_assoc($arr2) ){ if (empty($arr1)) { $arr1 = array(); } if (empty($arr2)) { $arr2 = array(); } foreach ($arr1 as $key => $value){ if(!in_array($key, array_keys($arr2))){ if(!array_key_exists($key, $arrRet)){ array_push($arrRet, $key); } continue; } if($arr1[$key] !== $arr2[$key]){ if(!array_key_exists($key, $arrRet)){ array_push($arrRet, $key); } } #针对元素为数组的情况 if(is_array($value)){ array_merge($arrRet,diffArray($value,$arr2[$key])); } } }elseif(is_assoc($arr1)===false && is_assoc($arr2)===false) {#针对索引数组 $arrRet = array_merge(array_diff($arr1, $arr2),array_diff($arr2, $arr1)); }else { new Exception("数组类型不一致!"); } return $arrRet; } /** * @param $arr * @return bool|int * 判断是否是索引数组 */ function is_assoc($arr) { if(!is_array($arr)) return -1; return !(array_values($arr) === $arr); }

【PHP】PHP多维数组转一维数组 function multi2array($array) { static $result_array = array(); foreach ($array as $key => $value) { if (is_array($value)) { multi2array($value); } else{ $result_array[] = $value; } } return $result_array; } function _arr($array,$return=[]){ array_walk_recursive($array,function($value)use(&$return){$return[]=$value;}); return $return; }

【PHP】使用PHP根据用户的IP地址获取地址信息 /** * @Author:小破孩 * @Time: 2020/7/15 15:17 * @Description:用户登录记录 */ 'bd_ak' => 'yr0Rm***************24HruOyGE', //百度地图的ak function get_client_city(){ $ip = get_client_ip(); //调用上面的函数进行获取IP地址 $ak = Config('app.bd_ak'); ///申请的ak $url = file_get_contents("http://api.map.baidu.com/location/ip?ip=$ip&ak=$ak"); //调用百度地图开放接口 $res = json_decode($url,true); //数据处理 $data['login_ip'] = $ip; //ip $data['login_xy'] = $res['content']['point']['x'].','.$res['content']['point']['y'];//坐标 $data['login_province'] = $res['content']['address_detail']['province']; //省 $data['login_city'] = $res['content']['address_detail']['city']; //市 $data['login_district'] = $res['content']['address_detail']['district'];//区 $data['login_street'] = $res['content']['address_detail']['street']; //街 $data['login_street_number'] = $res['content']['address_detail']['street_number']; //街道编号 $data['login_city_code'] = $res['content']['address_detail']['city_code']; //城市编号 $data['login_create_time'] = time(); //入库 Db::name('login_log')->insert($data); } //表 CREATE TABLE `login_log` ( `login_id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '用户登录记录主键', `login_user_number` bigint(20) NOT NULL COMMENT '用户编号', `login_ip` varchar(40) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '用户登录的ip', `login_xy` varchar(60) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '登录的坐标点', `login_province` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '登录省', `login_city` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '登录城市', `login_district` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '区', `login_street` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '街', `login_street_number` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '街道编号', `login_city_code` varchar(50) COLLATE utf8_unicode_ci DEFAULT NULL COMMENT '城市编号', `login_type` tinyint(1) NOT NULL DEFAULT '0' COMMENT '用户登录类型 0平台用户，1前台用户', `login_create_time` bigint(20) NOT NULL COMMENT '创建时间', PRIMARY KEY (`login_id`,`login_user_number`), KEY `login_create_time` (`login_create_time`) COMMENT '时间索引 搜索', KEY `login_type` (`login_type`) COMMENT '类型' ) ENGINE=MyISAM AUTO_INCREMENT=163 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci COMMENT='用户登录记录';

【PHP】PHP获取服务器状态 <?php function get_server_status() { $fp = popen('top -b -n 2 | grep -E "^(Cpu|Mem|Tasks)"', "r");//获取某一时刻系统cpu和内存使用情况 $rs = ""; while (!feof($fp)) { $rs .= fread($fp, 1024); } pclose($fp); $sys_info = explode("\n", $rs); $tast_info = explode(",", $sys_info[3]);//进程 数组 $cpu_info = explode(",", $sys_info[4]); //CPU占有量 数组 $mem_info = explode(",", $sys_info[5]); //内存占有量 数组 //正在运行的进程数 $tast_running = trim(trim($tast_info[1], 'running')); //CPU占有量 $cpu_usage = trim(trim($cpu_info[0], 'Cpu(s): '), '%us'); //百分比 //内存占有量 $mem_total = trim(trim($mem_info[0], 'Mem: '), 'k total'); $mem_used = trim($mem_info[1], 'k used'); $mem_usage = round(100 * intval($mem_used) / intval($mem_total), 2); //百分比 /*硬盘使用率 begin*/ $fp = popen('df -lh | grep -E "^(/)"', "r"); $rs = fread($fp, 1024); pclose($fp); $rs = preg_replace("/\s{2,}/", ' ', $rs); //把多个空格换成 “_” $hd = explode(" ", $rs); $hd_avail = trim($hd[3], 'G'); //磁盘可用空间大小 单位G $hd_usage = trim($hd[4], '%'); //挂载点 百分比 /*硬盘使用率 end*/ //检测时间 $fp = popen("date +\"%Y-%m-%d %H:%M\"", "r"); $rs = fread($fp, 1024); pclose($fp); $detection_time = trim($rs); $result = [ 'cpu_usage' => $cpu_usage, 'mem_usage' => $mem_usage, 'hd_avail' => $hd_avail, 'hd_usage' => $hd_usage, 'tast_running' => $tast_running, 'detection_time' => $detection_time ]; return $result; }

【PHP】PHP获取网页里的所有图片 <?php $new_url = []; $url="网页地址"; //file_get_contents() 函数把整个文件读入一个字符串中 $string=file_get_contents($url); //preg_match_all函数进行全局正则表达式匹配。 preg_match_all("/<img[^>]*>/i", $string,$matches); //去除数组中重复的值 $new_arr=array_unique($matches[0]); foreach($new_arr as $key){ //查找img标签内的src内容 preg_match_all('/<img.*?src="(.*?)".*?>/is',$key,$match); //根据网页图片后缀可以灵活修改 $one = str_replace('?v1', '', $match[1][0]); //插入数组 array_push($new_url,$url.$one); } //下载并保存图片 function download($downurl, $path = 'images/'){ $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $downurl); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 30); $file = curl_exec($ch); curl_close($ch); $filename = pathinfo($downurl, PATHINFO_BASENAME); $resource = fopen($path . $filename, 'a'); fwrite($resource, $file); fclose($resource); } //循环下载 foreach ( $new_url as $url ) { download($url); } ?>