/** * 高效判断远程文件是否存在 * @param $file * @return bool 存在返回 true 不存在或者其他原因返回false */function remoteFileExist($file){ ???if(preg_match('/^http:\/\//',$file)){ ???????//远程文件 ???????if(ini_get('allow_url_fopen')){ ???????????if(@fopen($file,'r')) return true; ???????} ???????else{ ???????????$parseurl=parse_url($file); ???????????$host=$parseurl['host']; ???????????$path=$parseurl['path']; ???????????$fp=fsockopen($host,80, $errno, $errstr, 10); ???????????if(!$fp)return false; ???????????fputs($fp,"GET {$path} HTTP/1.1 \r\nhost:{$host}\r\n\r\n"); ???????????if(preg_match('/HTTP\/1.1 200/',fgets($fp,1024))) return true; ???????} ???????return false; ???} ???return file_exists($file);}/** * 对象obj 转数组array * @param $object * @return mixed */function object2array(&$object) { ???$object = ?json_decode( json_encode( $object),true); ???return ?$object;}/*** @param 字节大小 $size* @param 保留小数位数 $dec* 格式化文件大小*/function file_size($size, $dec=2) { ???$a = array("B", "KB", "MB", "GB", "TB", "PB"); ???$pos = 0; ???while ($size >= 1024) { ????????$size /= 1024; ??????????$pos++; ???} ???return round($size,$dec)." ".$a[$pos];}/*** 隐藏手机号中间4位* @param $phone* @return mixed*/function hidetel($phone){ ???$IsWhat = preg_match('/(0[0-9]{2,3}[-]?[2-9][0-9]{6,7}[-]?[0-9]?)/i',$phone); ????if($IsWhat == 1){ ???????return preg_replace('/(0[0-9]{2,3}[-]?[2-9])[0-9]{3,4}([0-9]{3}[-]?[0-9]?)/i','$1****$2',$phone); ???}else{ ???????return ?preg_replace('/(1[3587]{1}[0-9])[0-9]{4}([0-9]{4})/i','$1****$2',$phone); ???}}/** * 时间格式化 * @param $time * @return string */function formatTime($time) { ???$now_time = time(); ???$t = $now_time - $time; ???$mon = (int) ($t / (86400 * 30)); ???if ($mon >= 1) { ???????return '一个月前'; ???} ???$day = (int) ($t / 86400); ???if ($day >= 1) { ???????return $day . '天前'; ???} ???$h = (int) ($t / 3600); ???if ($h >= 1) { ???????return $h . '小时前'; ???} ???$min = (int) ($t / 60); ???if ($min >= 1) { ???????return $min . '分钟前'; ???} ???return '刚刚';}/** * 时间格式化 * @param $time * @return string */function pincheTime($time) { ????$today ?= ?strtotime(date('Y-m-d')); //今天零点 ?????$here ??= ?(int)(($time - $today)/86400) ; ??????if($here==1){ ?????????return '明天'; ???????} ?????if($here==2) { ?????????return '后天'; ???????} ?????if($here>=3 && $here<7){ ?????????return $here.'天后'; ???????} ?????if($here>=7 && $here<30){ ?????????return '一周后'; ???????} ?????if($here>=30 && $here<365){ ?????????return '一个月后'; ???????} ?????if($here>=365){ ?????????$r = (int)($here/365).'年后'; ??????????return ??$r; ?????} ????return '今天';}/*** * @param 时间戳 $time* 友好时间显示* @return */function timeline($time){ ???if(time()<=$time){ ???return date("Y-m-d H:i:s",$time); ???}else{ ???$t = time()-$time; ?????$f = array( ?????????'31536000'=>'年', ?????????'2592000'=>'个月', ?????????'604800'=>'星期', ?????????'86400'=>'天', ?????????'3600'=>'小时', ?????????'60'=>'分钟', ?????????'1'=>'秒' ?????); ?????foreach($f as $k=>$v){ ?????????if(0 != $c = floor($t/(int)$k)){ ?????????????return $c.$v.'前'; ?????????} ?????} ???}}/** * 计算两个时间的时差 * @param $begin_time * @param $end_time * @return array */function timeDiff($begin_time, $end_time) { ???if ($begin_time < $end_time) { ???????$starttime = $begin_time; ???????$endtime = $end_time; ???} else { ???????$starttime = $end_time; ???????$endtime = $begin_time; ???} ???$timediff = $endtime - $starttime; ???$days = intval( $timediff / 86400 ); ???$remain = $timediff % 86400; ???$hours = sprintf("%02d", intval( $remain / 3600 )); ???$remain = $remain % 3600; ???$mins = sprintf("%02d", intval( $remain / 60 )); ???$secs = sprintf("%02d",$remain % 60); ???$res = array( "day" => $days, "hour" => $hours, "min" => $mins, "sec" => $secs ); ???return $res;}/** * 获取当前毫秒时间戳 * @return string */function getMillisecond() { ???list($t1, $t2) = explode(' ', microtime()); ???return $t2 . ?ceil( ($t1 * 1000) );}/** * 生成n位随机数 * @param int $length * @return string */function createRandomKey($length=32) { ???$chars = "abcdefghijklmnopqrstuvwxyz0123456789"; ???$str =""; ???for ( $i = 0; $i < $length; $i++ ) ?{ ???????$str.= substr($chars, mt_rand(0, strlen($chars)-1), 1); ???} ???return $str;}/** * 生成n位包含$string的随机数 * @param int $length * @param string $str * @return string */function createRandomStringKey($length=32, $chars = "abcdefghijklmnopqrstuvwxyz0123456789") { ???$str =""; ???for ( $i = 0; $i < $length; $i++ ) ?{ ???????$str.= substr($chars, mt_rand(0, strlen($chars)-1), 1); ???} ???return $str;}/** * post的curl 兼容https * @param $url * @param $data * @return mixed */function curlPostForHttps($url, $data) { ???$curl = curl_init(); ???curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "POST"); ???curl_setopt($curl, CURLOPT_POSTFIELDS, $data); ???curl_setopt($curl, CURLOPT_URL, $url); ???curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); ???curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE); // https请求 不验证证书和hosts ???curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE); ???curl_setopt($curl, CURLOPT_HTTPHEADER, array( ???????"Content-Type: application/json", "Content-Length: ".strlen($data))); ???$result = json_decode(curl_exec($curl), true); ???curl_close($curl); ???return $result;}/** * 16进制颜色值转 rgb * @param $colour * @return array|bool */function hex2rgb( $colour ) { ???if ( $colour[0] == '#' ) { ???????$colour = substr( $colour, 1 ); ???} ???if ( strlen( $colour ) == 6 ) { ???????list( $r, $g, $b ) = array( $colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5] ); ???} elseif ( strlen( $colour ) == 3 ) { ???????list( $r, $g, $b ) = array( $colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2] ); ???} else { ???????return false; ???} ???$r = hexdec( $r ); ???$g = hexdec( $g ); ???$b = hexdec( $b ); ???return array( 'red' => $r, 'green' => $g, 'blue' => $b );}/** * 系统邮件发送函数 * @param $address 收件人邮件 * @param $title ???邮件标题 * @param $message ?邮件内容 * @return bool */function sendMail($address,$title,$message, $filePath=null) { ???$mail = new PHPMailer(); ???// 设置PHPMailer使用SMTP服务器发送Email ???$mail->IsSMTP(); ???// 设置邮件的字符编码，若不指定，则为'UTF-8' ???$mail->CharSet='UTF-8'; ???// 添加收件人地址，可以多次使用来添加多个收件人 ???$mail->AddAddress($address); ???// SMTP调试功能 0=关闭 1 = 错误和消息 2 = 消息 ???$mail->SMTPDebug = 0; ???// 设置邮件正文 ???$mail->Body=$message; ???// 设置邮件头的From字段。 ???$mail->From=config('mail.from'); ???// 设置发件人名字 ???$mail->FromName=config('mail.fromName'); ???// 设置邮件标题 ???$mail->Subject=$title; ???// 设置SMTP服务器。 ???$mail->Host=config('mail.host'); ???// SMTP服务器的端口号 ???$mail->Port = config('mail.port'); ???// 设置为"需要验证" ???$mail->SMTPAuth=true; ???// 启用SSL加密为true ???$mail->SMTPSecure =true; ???// 添加附件 ???if ($filePath != null) { ???????$mail->AddAttachment($filePath); ???} ???// 设置用户名和密码。 ???$mail->Username=config('mail.username'); ???$mail->Password=config('mail.password'); ???// 发送邮件。 ???return($mail->Send());}/** * 指定位置插入字符串 * @param $str ?原字符串 * @param $i ???插入位置 * @param $substr 插入字符串 * @return string 处理后的字符串 */function insertToStr($str, $i, $substr){ ???//指定插入位置前的字符串 ???$startstr=""; ???for($j=0; $j<$i; $j++){ ???????$startstr .= $str[$j]; ???} ???//指定插入位置后的字符串 ???$laststr=""; ???for ($j=$i; $j<strlen($str); $j++){ ???????$laststr .= $str[$j]; ???} ???//将插入位置前，要插入的，插入位置后三个字符串拼接起来 ???$str = $startstr . $substr . $laststr; ???//返回结果 ???return $str;}/** * 阿拉伯数字转中文数字 * @param $num * @return string */function ToChinaseNum($num){ ???$char = array("零","一","二","三","四","五","六","七","八","九"); ???$dw = array("","十","百","千","万","亿","兆"); ???$retval = ""; ???$proZero = false; ???for($i = 0;$i < strlen($num);$i++) ???{ ???????if($i > 0) ???$temp = (int)(($num % pow (10,$i+1)) / pow (10,$i)); ???????else $temp = (int)($num % pow (10,1)); ???????if($proZero == true && $temp == 0) continue; ???????if($temp == 0) $proZero = true; ???????else $proZero = false; ???????if($proZero) ???????{ ???????????if($retval == "") continue; ???????????$retval = $char[$temp].$retval; ???????} ???????else $retval = $char[$temp].$dw[$i].$retval; ???} ???if($retval == "一十") $retval = "十"; ???return $retval;}PHP常用代码片段
原文地址：https://www.cnblogs.com/datiangou/p/10199954.html