PHP开发过程中遇到的好用的自定义方法/函数

Nick. 175 阅读 0 评论 2 点赞

<?php
//方法库

if (!function_exists('mobile_regular_expression')) {
/**
* 国际手机号码正则验证规则获取
* @param string $phone_code 国际区号
* @return string
*/
function mobile_regular_expression($phone_code)
{
$list = [
'-1' => ['regu' => '/^\d{3,15}$/', 'name' => '不验证区号正则'],
'-2' => ['regu' => '', 'name' => '验证区号正则'],

'+86' => ['regu' => '/^1[3-9]\d{9}$/', 'name' => '中国大陆'],
'+852' => ['regu' => '/^(5[1234569]\d{6}|6\d{7}|9[0-8]\d{6})$/', 'name' => '中国香港'],
'+853' => ['regu' => '/^6\d{7}$/', 'name' => '中国澳门'],
'+886' => ['regu' => '/^0?9\d{8}$/', 'name' => '中国台湾'],
'+1' => ['regu' => '/^\d{10,12}$/', 'name' => '美国'],
'+82' => ['regu' => '/^0?[71](?:\d{8,9})$/', 'name' => '韩国'],
'+81' => ['regu' => '/^0?[789](?:\d{8}|\d{9})$/', 'name' => '日本'],
'+65' => ['regu' => '/^[89]\d{7}$/', 'name' => '新加坡'],
'+60' => ['regu' => '/^1\d{8,9}$/', 'name' => '马来西亚'],
'+61' => ['regu' => '/^4\d{8,9}$/', 'name' => '澳大利亚'],
'+63' => ['regu' => '/^\d{10}$/', 'name' => '菲律宾'],
'+62' => ['regu' => '/^0?[2-9]{1}\d+$/', 'name' => '印度尼西亚'],
];
$phone_code = empty($phone_code) ? '+86' : $phone_code;
return empty($list[$phone_code]) ? '' : $list[$phone_code]['regu'];
}
}

if(!function_exists('str_length')){
/**
* @param Request $request
* @return 获取字符串长度
*/
function str_length($str, $charset = 'utf-8')
{
if ($charset == 'utf-8') $str = iconv('utf-8', 'gb2312', $str);
$num = strlen($str);
$cnNum = 0;
for ($i = 0; $i < $num; $i++) {
if (ord(substr($str, $i + 1, 1)) > 127) {
$cnNum++;
$i++;
}
}
$enNum = $num - ($cnNum * 2);
$number = ($enNum / 2) + $cnNum;
return ceil($number);
}
}

if(!function_exists('cc_msubstr')){
/**
* @param Request $request
* @return mixed截取字符串
*/
function cc_msubstr($str, $length, $start = 0, $charset = "utf-8", $suffix = true)
{
if (function_exists("mb_substr")) {
return mb_substr($str, $start, $length, $charset);
} elseif (function_exists('iconv_substr')) {
return iconv_substr($str, $start, $length, $charset);
}
$re['utf-8'] = "/[/x01-/x7f]|[/xc2-/xdf][/x80-/xbf]|[/xe0-/xef][/x80-/xbf]{2}|[/xf0-/xff][/x80-/xbf]{3}/";
$re['gb2312'] = "/[/x01-/x7f]|[/xb0-/xf7][/xa0-/xfe]/";
$re['gbk'] = "/[/x01-/x7f]|[/x81-/xfe][/x40-/xfe]/";
$re['big5'] = "/[/x01-/x7f]|[/x81-/xfe]([/x40-/x7e]|/xa1-/xfe])/";
preg_match_all($re[$charset], $str, $match);
$slice = join("", array_slice($match[0], $start, $length));
if ($suffix) {
return $slice . "..";
} else {
return $slice;
}
}
}

if(!function_exists('word_time')){
/**
* 时间转时间段
*/
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 < 2592000) {
$str = sprintf('%d天前', floor($int / 86400));
} else {
$str = date('Y-m-d H:i:s', $time);
}
return $str;
}
}

if(!function_exists('http_request')){
/**
* @function curl 请求
*
* @param $url 请求url
* @param null $data 请求参数
* @param int $secound 设置超时时间 0 表示无限
* @param null $header 设置请求头部参数
* @return mixed
*/
function http_request($url, $data = null, $secound = 0, $header = NULL)
{
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
if ($secound > 0) {
curl_setopt($curl, CURLOPT_TIMEOUT, $secound); //设置超时时间
}
if (!empty($header)) {
curl_setopt($curl, CURLOPT_HTTPHEADER, $header); //设置头信息的地方
}
if (!empty($data)) {
curl_setopt($curl, CURLOPT_POST, 1);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
}
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec($curl);
curl_close($curl);
return $output;
}
}

if(!function_exists('filter_str')) {
/**
* 过滤特殊字符(微信qq)
*
* @param unknown $str
*/
function filter_str($str)
{
if ($str) {
$name = $str;
$name = preg_replace_callback('/\xEE[\x80-\xBF][\x80-\xBF]|\xEF[\x81-\x83][\x80-\xBF]/', function ($matches) {
return '';
}, $name);
$name = preg_replace_callback('/xE0[x80-x9F][x80-xBF]‘.‘|xED[xA0-xBF][x80-xBF]/S', function ($matches) {
return '';
}, $name);
// 汉字不编码
$name = json_encode($name);
$name = preg_replace_callback("/\\\ud[0-9a-f]{3}/i", function ($matches) {
return '';
}, $name);
if (!empty($name)) {
$name = json_decode($name);
return $name;
} else {
return '';
}
} else {
return '';
}
}
}

if(!function_exists('get_city_by_ip')) {
/**
* 根据 ip 获取当前城市
*/
function get_city_by_ip()
{
if (!empty($_SERVER["HTTP_CLIENT_IP"])) {
$cip = $_SERVER["HTTP_CLIENT_IP"];
} elseif (!empty($_SERVER["HTTP_X_FORWARDED_FOR"])) {
$cip = $_SERVER["HTTP_X_FORWARDED_FOR"];
} elseif (!empty($_SERVER["REMOTE_ADDR"])) {
$cip = $_SERVER["REMOTE_ADDR"];
} else {
$cip = "";
}
$url = 'https://restapi.amap.com/v3/ip';
$data = array(
'output' => 'json',
'key' => '7b9bf1c7628252f14c79c8e4c07c0ac5',
'ip' => $cip
);

$postdata = http_build_query($data);
$opts = array(
'http' => array(
'method' => 'GET',
'header' => 'Content-type: application/x-www-form-urlencoded',
'content' => $postdata
)
);

$context = stream_context_create($opts);

$result = file_get_contents($url, false, $context);

if (!empty($result)) {
$res = json_decode($result, true);

if (!empty($res)) {

if (empty($res['province'])) {
$res['province'] = '北京市';
}
if (!empty($res['province']) && $res['province'] == "局域网") {
$res['province'] = '北京市';
}

if (is_array($res['province'])) {
$province_count = count($res['province']);
if ($province_count == 0) {
$res['province'] = '北京市';
}
}
if (is_array($res['city'])) {
$city_count = count($res['city']);
if ($city_count == 0) {
$res['city'] = '北京市';
}
}
} else {
$res['province'] = '北京市';
$res['city'] = '北京市';
}

return $res;
} else {
return array(
"province" => '北京市',
"city" => '北京市'
);
}
}
}

if(!function_exists('is_url')) {
/**
* 是否是url链接
* @param unknown $string
* @return boolean
*/
function is_url($string)
{
if (strstr($string, 'http://') === false && strstr($string, 'https://') === false) {
return false;
} else {
return true;
}
}
}

if(!function_exists('download')) {
//$fpath为下载文件所在文件夹，默认是downlod
function download($fname, $newname = '')
{
if (empty($newname)) {
$newname = $fname;
} else {
$ext = substr($fname, strrpos($fname, '.') + 1);
$newname = $newname . "." . $ext;
}

//检查文件是否存在
if (!file_exists($fname)) {
header('HTTP/1.1 404 NOT FOUND');
} else {
//以只读和二进制模式打开文件
$file = fopen($fname, "rb");

//告诉浏览器这是一个文件流格式的文件
Header("Content-type: application/octet-stream");
//请求范围的度量单位
Header("Accept-Ranges: bytes");
//Content-Length是指定包含于请求或响应中数据的字节长度
Header("Accept-Length: " . filesize($fname));
//用来告诉浏览器，文件是可以当做附件被下载，下载后的文件名称为$file_name该变量的值。
Header("Content-Disposition: attachment; filename=" . $newname);

//读取文件内容并直接输出到浏览器
echo fread($file, filesize($fname));
fclose($file);
exit ();
}
}
}

if(!function_exists('encrypt')) {
/**
* 系统加密方法
*
* @param string $data
* 要加密的字符串
* @param string $key
* 加密密钥
* @param int $expire
* 过期时间单位秒
* @return string
*/
function encrypt($data, $key = '', $expire = 0)
{
$key = md5(empty ($key) ? 'niucloud' : $key);

$data = base64_encode($data);
$x = 0;
$len = strlen($data);
$l = strlen($key);
$char = '';

for ($i = 0; $i < $len; $i++) {
if ($x == $l)
$x = 0;
$char .= substr($key, $x, 1);
$x++;
}

$str = sprintf('%010d', $expire ? $expire + time() : 0);

for ($i = 0; $i < $len; $i++) {
$str .= chr(ord(substr($data, $i, 1)) + (ord(substr($char, $i, 1))) % 256);
}
return str_replace(array(
'+',
'/',
'='
), array(
'-',
'_',
''
), base64_encode($str));
}
}

if(!function_exists('decrypt')) {
/**
* 系统解密方法
*
* @param string $data
* 要解密的字符串（必须是encrypt方法加密的字符串）
* @param string $key
* 加密密钥
* @return string
*/
function decrypt($data, $key = '')
{
$key = md5(empty ($key) ? 'niucloud' : $key);
$data = str_replace(array(
'-',
'_'
), array(
'+',
'/'
), $data);
$mod4 = strlen($data) % 4;
if ($mod4) {
$data .= substr('====', $mod4);
}
$data = base64_decode($data);
$expire = substr($data, 0, 10);
$data = substr($data, 10);

if ($expire > 0 && $expire < time()) {
return '';
}
$x = 0;
$len = strlen($data);
$l = strlen($key);
$char = $str = '';

for ($i = 0; $i < $len; $i++) {
if ($x == $l)
$x = 0;
$char .= substr($key, $x, 1);
$x++;
}

for ($i = 0; $i < $len; $i++) {
if (ord(substr($data, $i, 1)) < ord(substr($char, $i, 1))) {
$str .= chr((ord(substr($data, $i, 1)) + 256) - ord(substr($char, $i, 1)));
} else {
$str .= chr(ord(substr($data, $i, 1)) - ord(substr($char, $i, 1)));
}
}
return base64_decode($str);
}
}
if(!function_exists('get_sign')) {
/**
* md5签名
* @param unknown $key
* @param unknown $params
* @return string
*/
function get_sign($key, $params)
{
if (!is_array($params)) $params = array();

ksort($params);
$text = '';
foreach ($params as $k => $v) {
$text .= $k . $v;
}
return md5($key . $text . $key);

}
}

if(!function_exists('check_phone')) {
/**
* 验证手机
*
*/
function check_phone($value)
{
if (preg_match('/^(13[0-9]|14[579]|15[0-3,5-9]|16[6]|17[0135678]|18[0-9]|19[89])\d{8}$/', $value)) {
return true;
} else {
return false;
}
}
}

if(!function_exists('check_email')) {

/**
* 验证邮箱
*
*/
function check_email($mail)
{
$checkmail = "/^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/";
if (preg_match_all($checkmail, $mail)) {
return true;
} else {
return false;
}
}
}

if(!function_exists('get_ip')) {
/**
* 获取客户端真实ip
* @return array|false|string
*/
function get_ip()
{
if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
$ip = getenv("HTTP_CLIENT_IP");
else
if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown"))
$ip = getenv("HTTP_X_FORWARDED_FOR");
else
if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
$ip = getenv("REMOTE_ADDR");
else
if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
$ip = $_SERVER['REMOTE_ADDR'];
else
$ip = "unknown";
return $ip;
}
}

if(!function_exists('copydirs')) {

/**
* 复制文件夹
* @param string $source 源文件夹
* @param string $dest 目标文件夹
*/
function copydirs($source, $dest)
{
if (!is_dir($dest)) {
mkdir($dest, 0755, true);
}
foreach (
$iterator = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($source, RecursiveDirectoryIterator::SKIP_DOTS), RecursiveIteratorIterator::SELF_FIRST) as $item
) {
if ($item->isDir()) {
$sontDir = $dest . DS . $iterator->getSubPathName();
if (!is_dir($sontDir)) {
mkdir($sontDir, 0755, true);
}
} else {
copy($item, $dest . DS . $iterator->getSubPathName());
}
}
}
}

if(!function_exists('rmdirs')) {

/**
* 删除文件夹
* @param string $dirname 目录
* @param bool $withself 是否删除自身
* @return boolean
*/
function rmdirs($dirname, $withself = true)
{
if (!is_dir($dirname))
return false;
$files = new RecursiveIteratorIterator(
new RecursiveDirectoryIterator($dirname, RecursiveDirectoryIterator::SKIP_DOTS), RecursiveIteratorIterator::CHILD_FIRST
);

foreach ($files as $fileinfo) {
$todo = ($fileinfo->isDir() ? 'rmdir' : 'unlink');
$todo($fileinfo->getRealPath());
}
if ($withself) {
@rmdir($dirname);
}
return true;
}
}

if(!function_exists('datetime')) {

/**
* 将时间戳转换为日期时间
* @param int $time 时间戳
* @param string $format 日期时间格式
* @return string
*/
function datetime($time, $format = 'Y-m-d H:i:s')
{
$time = is_numeric($time) ? $time : strtotime($time);
return date($format, $time);
}
}

if(!function_exists('get_random_string')) {

/**
* 随机生成数字字母组合
* */
function get_random_string($len, $chars = null)
{
if (is_null($chars)) {
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
}
//mt_srand(10000000*(double)microtime());
mt_srand(time());
for ($i = 0, $str = '', $lc = strlen($chars) - 1; $i < $len; $i++) {
$str .= $chars[mt_rand(0, $lc)];
}
return $str;
}
}

if(!function_exists('is_weixin')) {

/**
* 判断当前是否是微信浏览器
*/
function is_weixin()
{
if (strpos($_SERVER['HTTP_USER_AGENT'],

'MicroMessenger') !== false) {

return 1;
}

return 0;
}
}

if(!function_exists('is_ali')) {

/**
* 判断当前是否是支付宝浏览器
*/
function is_ali()
{
if (strpos($_SERVER['HTTP_USER_AGENT'],

'Alipay') !== false) {

return 1;
}

return 0;
}
}

if(!function_exists('rand_str')) {

/**
* 随机产生六位数密码
*/
function rand_str($len = 6, $format = 'ALL')
{
switch ($format) {
case 'ALL':
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-@#~';
break;
case 'CHAR':
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-@#~';
break;
case 'NUMBER':
$chars = '0123456789';
break;
default :
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-@#~';
break;
}
mt_srand(intval((double)microtime() * 1000000 * getmypid()));
$password = "";
while (strlen($password) < $len)
$password .= substr($chars, (mt_rand() % strlen($chars)), 1);
return $password;
}
}

if(!function_exists('sign_create')) {

/**
* 生成签名、验证签名
* @param $param 接收到的所有参数
* @param $private_key
* @return string
*/
function sign_create($param, $private_key)
{
//获取到传来的参数数组并排序ksort()
ksort($param);
$param_string = '';
foreach ($param as $key => $value) {
$param_string .= $key . $value;
}
//md5加密字符串并生成签名
$encrypted = "";
$md5_param_string = md5($param_string);
openssl_sign($md5_param_string, $encrypted, $private_key, OPENSSL_ALGO_SHA1);
$encrypted = base64_encode($encrypted);
return $encrypted;
}
}

if(!function_exists('verify_sign')) {

/**
* 验证签名
*/
function verify_sign($param, $sign, $public_key)
{
//获取到传来的参数数组并排序ksort()
ksort($param);
$param_string = '';
foreach ($param as $key => $value) {
$param_string .= $key . $value;
}
//md5加密字符串并生成签名
$md5_param_string = md5($param_string);
$sign = base64_decode($sign);
openssl_pkey_get_public($public_key);
$result = openssl_verify($md5_param_string, $sign, $public_key, OPENSSL_ALGO_SHA1) === 1;
return $result;
}
}

// 数字金额转中文
if (!function_exists('to_chinese_number')) {
function to_chinese_number($num) {
$c1 = "零壹贰叁肆伍陆柒捌玖";
$c2 = "分角元拾佰仟万拾佰仟亿";
$num = round($num, 2); //输入金额四舍五入
$num = $num * 100;
if (strlen($num) > 10) {
return "金额太大，请检查";
}
$i = 0;
$c = "";
while (1) {
if ($i == 0) {
$n = substr($num, strlen($num)-1, 1);
} else {
$n = $num % 10;
}
$p1 = substr($c1, 3 * $n, 3);
$p2 = substr($c2, 3 * $i, 3);
if ($n != '0' || ($n == '0' && ($p2 == '亿' || $p2 == '万' || $p2 == '元'))) {
$c = $p1 . $p2 . $c;
} else {
$c = $p1 . $c;
}
$i = $i + 1;
$num = $num / 10;
$num = (int)$num;
if ($num == 0) {
break;
}
}
$j = 0;
$slen = strlen($c);
while ($j < $slen) {
$m = substr($c, $j, 6);
if ($m == '零元' || $m == '零万' || $m == '零亿' || $m == '零零') {
$left = substr($c, 0, $j);
$right = substr($c, $j + 3);
$c = $left . $right;
$j = $j-3;
$slen = $slen-3;
}
$j = $j + 3;
}
if (substr($c, strlen($c)-3, 3) == '零') {
$c = substr($c, 0, strlen($c)-3);
}
if (empty($c)) {
return "零元整";
}else{
return $c . "整";
}
}
}

//经纬度转换高德（腾讯）转百度
if (!function_exists('gd_trans_bd')) {
function gd_trans_bd($gd_lat, $gd_lon){
$x_pi = 3.14159265358979324 * 3000.0 / 180.0;
$x = $gd_lon;
$y = $gd_lat;
$z = sqrt($x * $x + $y * $y) + 0.00002 * sin($y * $x_pi);
$theta = atan2($y, $x) + 0.000003 * cos($x * $x_pi);
$bd_lon = $z * cos($theta) + 0.0065;
$bd_lat = $z * sin($theta) + 0.006;
return [
'lat' => $bd_lat,
'lng' => $bd_lon
];
}
}

// 经纬度转换百度转高德（腾讯）
if (!function_exists('bd_trans_gd')) {
function bd_trans_gd($bd_lat, $bd_lon){
$x_pi = 3.14159265358979324 * 3000.0 / 180.0;
$x = $bd_lon - 0.0065;
$y = $bd_lat - 0.006;
$z = sqrt($x * $x + $y * $y) - 0.00002 * sin($y * $x_pi);
$theta = atan2($y, $x) - 0.000003 * cos($x * $x_pi);
$gg_lon = $z * cos($theta);
$gg_lat = $z * sin($theta);
return [
'lat' => $gg_lat,
'lng' => $gg_lon
];
}
}

// PHP弹出手机端弹窗
if (!function_exists('layer_open')) {
function layer_open($msg, $time = 2, $url = ''){
$str = '<meta name="viewport" content="width=device-width, minimum-scale=1.0, maximum-scale=1.0">';
$str .= '<meta name="app-mobile-web-app-capable" content="yes">';
$str .= '<script type="text/javascript" src="/static/js/jquery-1.11.1.min.js"></script>';
$str .= '<script type="text/javascript" src="/static/js/layer/mobile/layer.js"></script>';
$str .= '<script>';
if($url == ''){
$url = "javascript:history.go(-1);";
}
$str .= '$(function(){ layer.open({style: "border:none; background-color:rgba(1,1,1,0.4); color:#fff;",content:"' .
$msg . '",skin: "msg", time: '.$time.',end:function(){ location.href = "'.$url
.'"; } }); });';
$str .= '</script>';
echo $str;
exit;
}
}

// 去除字符串中的emoji表情
if (!function_exists('remove_emoji')) {
function remove_emoji($text) {
$clean_text = "";

// Match Emoticons
$regexEmoticons = '/[\x{1F600}-\x{1F64F}]/u';
$clean_text = preg_replace($regexEmoticons, '', $text);

// Match Miscellaneous Symbols and Pictographs
$regexSymbols = '/[\x{1F300}-\x{1F5FF}]/u';
$clean_text = preg_replace($regexSymbols, '', $clean_text);

// Match Transport And Map Symbols
$regexTransport = '/[\x{1F680}-\x{1F6FF}]/u';
$clean_text = preg_replace($regexTransport, '', $clean_text);

// Match Miscellaneous Symbols
$regexMisc = '/[\x{2600}-\x{26FF}]/u';
$clean_text = preg_replace($regexMisc, '', $clean_text);

// Match Dingbats
$regexDingbats = '/[\x{2700}-\x{27BF}]/u';
$clean_text = preg_replace($regexDingbats, '', $clean_text);

return $clean_text;
}
}

// 二维数组排序（默认正序）
if (!function_exists('array_sorts')) {
/**
* @param $array
* @param $field
* @param string $sort
* @return mixed
*/
function array_sorts($array, $field, $sort = 'SORT_ASC')
{
$arrSort = [];
foreach ($array as $uniqid => $row) {
foreach ($row as $key => $value) {
$arrSort[$key][$uniqid] = $value;
}
}
array_multisort($arrSort[$field], constant($sort), $array);
return $array;
}
}

if (!function_exists('get_distance')) {
/**
* 求两个已知经纬度之间的距离,单位为米
* @param float $lng1 经度
* @param float $lat1 纬度
* @param float $lng2 经度
* @param float $lat2 纬度
* @return float 距离，单位米
*/
function get_distance($lng1, $lat1, $lng2, $lat2) {
// 将角度转为狐度
$radLat1 = deg2rad($lat1); //deg2rad()函数将角度转换为弧度
$radLat2 = deg2rad($lat2);
$radLng1 = deg2rad($lng1);
$radLng2 = deg2rad($lng2);
$a = $radLat1 - $radLat2;
$b = $radLng1 - $radLng2;
$s = 2 * asin(sqrt(pow(sin($a / 2), 2) + cos($radLat1) * cos($radLat2) * pow(sin($b / 2), 2))) * 6378.137 * 1000;
return $s;
}
}

if (!function_exists('is_json')) {
/**
* 判断是否为json数据.
* @param mixed $data 带判断的数据
* @return int
*/
function is_json($data)
{
if (!is_string($data) || $data === null || $data === '' || is_numeric($data)) {
return 0;
}
$data = selfHtmlspecialchars($data, 1);
json_decode($data, true);
switch (json_last_error()) {
case JSON_ERROR_NONE:
$is_json = 1;
break;
default:
$is_json = 0;
}
return $is_json;
}
}

if (!function_exists('json_format')) {
/**
* 数据解析
* @param string|mixed $data 待解析数据
* @param int $is_err_return 解析失败，是否原样返回
* @return array|mixed
*/
function json_format($data, $is_err_return = 0)
{
if (is_json($data)) {
$data = json_decode(selfHtmlspecialchars($data, 1), true);
if (!is_array($data)) { // 解决 '"{\"a\":\"b\"}"' 这种数据问题（is_json通过，但需要 decode 多次的问题）
$data = [];
}
} else {
$data = $is_err_return ? $data : [];
}
return $data;
//return is_json($data) ? json_decode(selfHtmlspecialchars($data, 1), true) : ($is_err_return ? $data : []);
}
}

if (!function_exists('selfHtmlspecialchars')) {
/**
* 自定义字符串实体互转
* @param string $str
* @param int $is_decode 0=转为html实体，1=转换普通字符串
* @param int $flags 自定义的转换方式，默认为单双引号都转换
* @return string
*/
function selfHtmlspecialchars(string $str, int $is_decode = 0, $flags = ENT_QUOTES): string
{
return $is_decode ? htmlspecialchars_decode($str, $flags) : htmlspecialchars($str, $flags);
}
}

if (!function_exists('is_amount')) {
/**
* 金额校验函数
* @param $value
* @param bool $isZero
* @param bool $negative
* @return bool
*/
function is_amount($value, $isZero=false, $negative=false){
// 必须是整数或浮点数，且允许为负
if (!preg_match("/^[-]?\d+(.\d{1,2})?$/", $value)){
return false;
}
// 不为 0
if (!$isZero && empty((int)($value*100))){
return false;
}
// 不为负数
if (!$negative && (int)($value * 100) < 0){
return false;
}
return true;
}
}

if (!function_exists('con_url')) {
/**
* 富文本中图片路径处理
* @param string $con 处理的字符串
* @param integer $cut_host 是否去掉域名信息（只取出图片的），1=去掉
* @return string
*/
function con_url($con, $cut_host = 0): string
{
if (!empty($con)) {
$con = stripslashes(selfHtmlspecialchars($con, 1));
$pregRule = "/<[img|IMG].*?src=[\'|\"](.*?(?:[\.jpg|\.jpeg|\.png|\.gif|\.bmp]))[\'|\"].*?[\/]?>/";
preg_match_all($pregRule, $con, $imgs);
$imgs = $imgs[1];
if (!empty($imgs)) {
$new_imgs = [];
foreach ($imgs as $key => $value) {
$imgs[$key] = '"' . $value . '"';
$new_imgs[] = '"' . ($cut_host ? str_replace(host_url(), '', $value) : path_format($value)) . '"';
}
$con = str_replace($imgs, $new_imgs, $con);
}
} else {
$con = ''; // 解决text字段null值的问题
}
return $con;
}
}

if (!function_exists('is_mobile')) {
/**
* 判断是否手机号.
* @param string mobile 需要检验的手机号
* @return bool
*/
function is_mobile(string $mobile): bool
{
if (!preg_match('/^1[3-9]\\d{9}$/', $mobile)) {
return false;
}
return true;
}
}

if (!function_exists('is_email')) {
/**
* 验证是否为邮箱
* @param $email
* @return int
*/
function is_email($email)
{
return preg_match("/^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$/", $email);
}
}

if (!function_exists('mobile_hide')) {
/**
* 手机号中间部分隐藏.
* @param $mobile
* @return string
*/
function mobile_hide(string $mobile): string
{
return empty($mobile) ? '' : substr_replace($mobile, '****', 3 + (strpos($mobile, '+') === false ? 0 : 3), 4);
}
}

if (!function_exists('is_phone')) {
/**
* 判断是否电话号（包含固话和手机号）
* @param string $phone 需要检验的电话号
* @return bool
*/
function is_phone(string $phone): bool
{
if (!preg_match("/^0\d{2,3}-\d{7,8}$|^1[3-9]\d{9}$/", $phone)) {
return false;
}
return true;
}
}

if (!function_exists('str_replace_explode'))
{
/**
* 替换用户填写的数据为后台好处理为数组的数据
*/
function str_replace_explode( $string )
{
$string = str_replace(' ', ',', $string);
$string = str_replace(' ', ',', $string);
$string = str_replace('，', ',', $string);
$string = str_replace(';', ',', $string);
$string = str_replace('；', ',', $string);

$l_string = substr($string,0, 1);
$r_string = mb_substr($string,-1, 1);
if ( $l_string == ',' )
{
$string = ltrim($string,',');
}

if ( $r_string == ',' )
{
$string = rtrim($string, ',');
}

return $string;
}
}

if (!function_exists('pre_month_day')) {
/**
* 获取上个月的某个时间
*/
function pre_month_day($time)
{
$preMonth = mktime(0, 0, 0,
date("n", $time), 0, date("Y", $time)); //上个月最后一天的时间戳

$preMonthMaxDay = date("t", $preMonth); //上个月的最大天数

//如果当前月的最大天数大于上个月的最大天数，则以上个月的最大天数为准比如3月31的上个月今天就是2月28或29
if ($preMonthMaxDay < date("j", $time)) {
return date("Y-m-d", $preMonth);
}

return date(date("Y-m", $preMonth) . "-d", $time);
}
}

if (!function_exists('replace_img_alt_title')) {
/**
* 替换img标签中的 alt 和 title 的值
*/
function replace_img_alt_title($content, $title)
{
$pattern= "/<img.*?src=[\"|\'](.*?)[\"|\'].*?>/";
$replace = '<img src="$1" alt="'.$title.'"title="'.$title.'">';
$html = preg_replace($pattern, $replace, $content);
return $html;
}
}

if (!function_exists('getfiles')) {
/**
* 递归获取所有文件
*
* @param string $path 文件路径
* @param string $allowFiles 匹配文件名的正则表达式 (默认为空全部文件)
* @param number $depth 递归深度，默认 1
* @return array 所有文件
**/
function getfiles($path, $allowFiles = '', $depth = 1, $substart = 0, &$files = array()){
$depth--;
$path = realpath($path) . '/';
$substart = $substart ? $substart : strlen($path);

if (!is_dir($path)){
return false;
}

if($handle = opendir($path)){
while (false !== ($file = readdir($handle))) {
if ($file != '.' && $file != '..') {
$path2 = $path . $file;
if (is_dir($path2) && $depth > 0){
getfiles($path2, $allowFiles, $depth, $substart, $files);
} elseif (empty($allowFiles) || preg_match($allowFiles, $file)) {
$files[] = substr($path2, $substart);
}
}
}
}
sort($files);
return $files;
}
}

if (!function_exists('str_replace_nth')) {
// 替换字符串中的第n个字符
function str_replace_nth($search, $replace, $subject, $nth)
{
$found = preg_match_all('/' . preg_quote($search).'/', $subject, $matches, PREG_OFFSET_CAPTURE);
if (false !== $found && $found > $nth) {
return substr_replace($subject, $replace, $matches[0][$nth][1], strlen($search));
}
return $subject;
}
}

if (!function_exists('getArrayMerge')) {
/*
* 合并数据，如果键值相等其值相加
* @param array $descs
* @param array $json_wares
*/
function getArrayMerge($descs, $json_wares)
{
if (is_array($descs) && is_array($json_wares)) {
$arrayMerge = array();
foreach ($json_wares as $key=>$value) {
if (array_key_exists($key, $descs)) {
$arrayMerge[$key] = $value + $descs[$key];
unset($descs[$key]);
} else {
$arrayMerge[$key] = $value;
}
}
return $arrayMerge+$descs;
} else {
return false;
}
}
}

/* base64格式编码转换为图片并保存对应文件夹 */
function base64_image_content($base64_image_content,$path){
//匹配出图片的格式
if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){
$type = $result[2];
$new_file = $path."/".date('Ymd',time())."/";
if(!file_exists($new_file)){
//检查是否有该文件夹，如果没有就创建，并给予最高权限
mkdir($new_file, 0700);
}
$new_file = $new_file.time().".{$type}";
if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_image_content)))){
return '/'.$new_file;
}else{
return false;
}
}else{
return false;
}
}

function getImageByContent($content)
{
$preMatch = "/<img.*?src=[\'|\"](.*?)[\'|\"].*?[\/]?>/";
@preg_match_all($preMatch, $content, $img_array);
$img_array = isset($img_array[1]) ? array_unique($img_array[1]) : [];
return $img_array;
}

function esub($str, $length = 0) {
if($length < 1){
return $str;
}
//计算字符串长度
$strlen = (strlen($str) + mb_strlen($str,"UTF-8")) / 2;
if($strlen < $length)
{
return $str;
}
if(mb_check_encoding($str,"UTF-8")){
$str = mb_strcut(mb_convert_encoding($str, "GBK","UTF-8"), 0, $length, "GBK");
$str = mb_convert_encoding($str, "UTF-8", "GBK");
}else{
return mb_substr($str, 0, 1000);
}
// $str = rtrim($str," ,.。，-——（【、；‘“??《<@");
return $str;
}

if (function_exists("verifySign")) {
/*
* 生成签名
* @param array $array
* @param string $signParam
* @param string $signKey
* @param bool $isSign
* @return bool|string
* */
function verifySign($array=array(),$signParam='',$signKey='',$isSign=false){
if(!$array || !$signParam){
return false;
}
if(!$isSign){
$key = $array[$signParam];
}
unset($array[$signParam]);
ksort($array);
$str="";
foreach ($array as $k=>$v) {
$v = urlencode(htmlspecialchars_decode($v));
$str .= "&{$k}={$v}";
}
$str = substr($str, 1);
return $isSign ? $str."&{$signParam}=".md5($str.$signKey) : $key == md5($str.$signKey);
}
}

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本文分类：PHP开发
本文标签：PHP
浏览次数：175 次浏览
发布日期：2023-10-19 17:26:33
本文链接：https://www.qinchao.site/PHPkaifa/10.html

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