【PHP】PHP生成唯一ID <?php header("Content-Type: text/html; charset=UTF-8"); date_default_timezone_set("PRC"); // error_reporting(0); // 生成ID：Unix时间戳+毫秒+微妙+四位随机数字（20位数字，2028/06/15 前可存入MySQL，数据类型：BIGINT） $id = microtime(); $id = substr($id, 11) . substr($id, 2, 6) . mt_rand(1000, 9999); //循环里面可用 public function setUUID(){ $currentTimestamp = microtime(true); $uuid = self::generateUUIDInner(); while (in_array($uuid, self::$generatedUUIDs)) { $uuid = self::generateUUIDInner(); } self::$generatedUUIDs[] = $uuid; self::$lastTimestamp = $currentTimestamp; return $uuid; } private static function generateUUIDInner() { $milliseconds = floor(microtime(true) * 1000); $randomPart = mt_rand(100, 999); $uuid = date('YmdHis').substr(strval($milliseconds), -3).$randomPart; return $uuid; echo "Generated UUID inside: ".$uuid."\n"; die; }

【PHP】TP5.1框架获取服务器信息 //获取服务器相关信息 $info = [ '操作系统'=>PHP_OS, '运行环境'=>$_SERVER["SERVER_SOFTWARE"], 'PHP运行方式'=>php_sapi_name(), 'ThinkPHP版本'=> 'V'. \think\facade\App::version(), '上传附件限制'=>ini_get('upload_max_filesize'), '执行时间限制'=>ini_get('max_execution_time').'秒', '服务器时间'=>date("Y年n月j日 H:i:s"), '北京时间'=>gmdate("Y年n月j日 H:i:s",time()+8*3600), '服务器所处时区' => date_default_timezone_get(), '服务器域名/IP'=>$_SERVER['SERVER_NAME'].' [ '.gethostbyname($_SERVER['SERVER_NAME']).' ]', '剩余空间'=>round((disk_free_space(".")/(1024*1024)),2).'M', 'register_globals'=>get_cfg_var("register_globals")=="1" ? "ON" : "OFF", 'magic_quotes_gpc'=>(1===get_magic_quotes_gpc())?'YES':'NO', 'magic_quotes_runtime'=>(1===get_magic_quotes_runtime())?'YES':'NO' ]; /** * 获取当前的运行环境 * @return string */ function getHuanjing(){ switch (PHP_SAPI){ case 'fpm-fcgi': return 'nginx+php-fpm'; break; case 'cgi-fcgi': return 'nginx+fastcgi'; break; case 'apache2handler': return 'apache'; break; default: return PHP_SAPI; } } /** * 获取数据库版本 */ function dbVersion(){ $db = think\Db::query('select VERSION()'); return $db[0]['VERSION()']; } /** * 获取最大上传文件大小 */ function get_upload_max_filesize(){ return ini_get('upload_max_filesize'); }

【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; }