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Functions.php
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Functions.php
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<?php
// +----------------------------------------------------------------------
// | Buddy Framework
// +----------------------------------------------------------------------
// | Copyright (c) 2011 http://buddy.woshimaijia.com All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: xinqiyang <[email protected]>
// +----------------------------------------------------------------------
/**
* get configuration fields
* @param string $name paramname
* @param mixed $value param value
*/
function C($name = null, $value = null) {
static $_config = array();
//if empty get all
if (empty($name)) {
return $_config;
}
//set value first
if (is_string($name)) {
if (!strpos($name, '.')) {
$name = strtolower($name);
if (is_null($value)) {
return isset($_config[$name]) ? $_config[$name] : null;
}
$_config[$name] = $value;
return;
}
//get and set array
$name = explode('.', $name);
$name[0] = strtolower($name[0]);
if (is_null($value)) {
return isset($_config[$name[0]][$name[1]]) ? $_config[$name[0]][$name[1]] : null;
}
$_config[$name[0]][$name[1]] = $value;
return;
}
//array set
if (is_array($name)) {
return $_config = array_merge($_config, array_change_key_case($name));
}
return null; //return null if get the no exist param name
}
/**
* 设置和获取统计数据
* @param string $key 统计的key
* @param int $step 增加多少
*/
function N($key, $step = 0) {
static $_num = array();
if (!isset($_num[$key])) {
$_num[$key] = 0;
}
if (empty($step)) {
return $_num[$key];
} else {
$_num[$key] = $_num[$key] + (int) $step;
}
}
/**
* 统计时间方法
* @param string $start 开始时间
* @param string $end
* @param int $dec
*/
function G($start, $end = '', $dec = 3) {
static $_info = array();
if (!empty($end)) { // 统计时间
if (!isset($_info[$end])) {
$_info[$end] = microtime(TRUE);
}
return number_format(($_info[$end] - $_info[$start]), $dec);
} else { // 记录时间
$_info[$start] = microtime(TRUE);
}
}
/**
* set Language
*
* @param $name string string key
* @param $value string string value
*/
function L($name = null, $value = null) {
static $_lang = array();
if (empty($name)) {
return $_lang;
}
if (is_string($name)) {
$name = strtolower($name);
if (is_null($value)) {
return isset($_lang[$name]) ? $_lang[$name] : $name;
}
$_lang[$name] = $value;
return;
}
if (is_array($name)) {
$_lang = array_merge($_lang, array_change_key_case($name, CASE_LOWER));
}
return;
}
/**
* U function
*
* @param $url string 'index/index'
* @param $params array params
* @param $redirect bool redirect now
*/
function U($url, $params = array(), $redirect = false) {
$depr = DIRECTORY_SEPARATOR;
$isRoute = false;
if (count($params)) {
$path = $url . $depr;
foreach ($params as $key => $value) {
$path .= $key . $depr . $value . $depr;
}
//if is web pub mode then do url route
if (PUB_MODE == 'WEB') {
$routes = C(APP_NAME . '_route_rules');
if (!empty($routes)) {
$paths = explode($depr, $path);
foreach ($routes as $key => $route) {
if (ucfirst($paths[0]) == $route[1] && $paths[1] == $route[2]) {
$path = $depr . $paths[0] . $depr . $paths[3];
$isRoute = true;
break;
}
}
}
}
} else {
$path = $url;
}
if (!$isRoute) {
$path = $depr . $path;
}
if ($redirect) {
redirect($path);
} else {
return $path;
}
}
/**
* redirect to url
* @param string $url string url
* @param int $time int delay time
* @param string $msg show jump message
*/
function redirect($url, $time = 0, $msg = '') {
$url = str_replace(array("\n", "\r"), '', $url);
if (!headers_sent()) {
if (0 === $time) {
header("Location: " . $url);
} else {
header("refresh:{$time};url={$url}");
echo($msg);
}
exit();
} else {
$str = "<meta http-equiv='Refresh' content='{$time};URL={$url}'>";
if ($time != 0) {
$str .= $msg;
}
exit($str);
}
}
/**
* get action
* get from Action
* @param string $name actionname
*/
function getaction($name) {
$name = ucwords($name);
static $_action = array();
if (isset($_action[$name])) {
return $_action[$name];
}
$cName = $name . 'Action';
$className = ACTION_PATH . DIRECTORY_SEPARATOR . $name . 'Action.php';
require_cache($className);
if (class_exists($cName)) {
$action = new $cName();
$_action[$name] = $action;
return $action;
} else {
//log the error action name
if (class_exists('EmptyAction')) {
$action = new EmptyAction();
$_action[$name] = $action;
return $action;
}
logNotice(__FILE__ . ':' . __FUNCTION__ . ": $nameAction not find!");
}
}
/**
* runaction
* auto new action class then run the action
* @param string $module modulename
* @param string $action actionname
*/
function runaction($module, $action) {
$class = getaction($module);
if ($class) {
if (!method_exists($class, $action)) {
$action = '_empty';
}
return call_user_func(array(&$class, $action));
} else {
return false;
}
}
/**
* Require file optimized
* loadfile
* @param string $filename filename of class
*/
function require_cache($filename) {
static $_importFiles = array();
$filename = realpath($filename);
if (!isset($_importFiles[$filename])) {
if (is_file($filename)) {
require $filename;
$_importFiles[$filename] = true;
} else {
$_importFiles[$filename] = false;
}
}
return $_importFiles[$filename];
}
/**
* mkdirs
* @param array $dirs
* @param int $mode
*/
function mkdirs($dirs, $mode = 0777) {
foreach ($dirs as $dir) {
if (!is_dir($dir))
mkdir($dir, $mode);
}
}
/**
* throw exception
* @todo Exception deal
* @param string $msg message
* @param string $type type
* @param string $code code
*/
function throw_exception($msg, $type = 'Exception', $code = 888) {
logFATAL($msg);
throw new Exception($msg, $code);
//exit($msg);
}
//----------Need to remove--------------------------------------------------------------------
/**
* record the count of the act cache
* @param object $c cache instance
* @param string $key cache key
*/
function countcacheact($c, $key) {
$key.='_c';
if ($c->get($key)) {
if ($c->increment($key, 1) !== false) {
return true;
}
return false;
} else {
if ($c->set($key, 1)) {
return true;
}
return false;
}
}
/**
* create table
* @param mysqli $db mysql instance
* @param string $tablename tablename
*/
function createtable($db, $tablename, $day = 1) {
$tomorrow = date("Ymd", time() + $day * 24 * 3600);
$sql = "create table {$tablename}_{$tomorrow} like {$tablename};";
if (false === $db->query($sql)) {
logFatal('CREATE TABLE ERROR SQL: %s', $sql . ' ' . $db->error);
return false;
}
return true;
}
/**
* send email function
* @TODO need to update this mail
* @param string $title
* @param string $body
* @param mixed $address
* @param int $usleep
*/
function sendMail($title, $body, $address, $usleep = 0, $c = 'GBK') {
$c = C('mailserver');
if (isset($c['smtpserver']) && isset($c['fromemail']) && isset($c['fromname'])) {
$mail = new PHPMailer(TRUE);
$mail->CharSet = $c;
$mail->IsSMTP();
$mail->SMTPAuth = true;
$mail->Port = 25;
$mail->Host = $c['smtpserver'];
$mail->From = $c['fromemail'];
$mail->FromName = mb_convert_encoding($c['fromname'], 'GBK', 'UTF-8');
$mail->IsHTML(true);
$mail->Subject = $title;
$mail->MsgHTML($body);
if (is_array($address) && count($address)) {
//TODO:need to be change
foreach ($address as $one) {
$mail->AddAddress($one);
$r = $mail->Send();
if ($r === false) {
UB_LOG_NOTICE('SEND ERROR:%s', $address);
}
if ($usleep > 0) {
usleep($usleep);
}
}
} else {
$mail->AddAddress($address);
$r = $mail->Send();
if ($r === false) {
UB_LOG_NOTICE('SEND ERROR:%s', $address);
}
}
}
}
//----------Need to remove--------------------------------------------------------------------
/**
* debug start
* show time and memory use in this progress
* @param $label debuglable
*/
function debug_start($label = '') {
$GLOBALS[$label]['_beginTime'] = microtime(TRUE);
$GLOBALS[$label]['_beginMem'] = memory_get_usage();
}
/**
* end of the debug start
* debug end and show the time being and memory used
* @param $label debug lable
*/
function debug_end($label = '') {
$GLOBALS[$label]['_endTime'] = microtime(TRUE);
echo 'Process ' . $label . ': Times ' . number_format($GLOBALS[$label]['_endTime'] - $GLOBALS[$label]['_beginTime'], 6) . "s \n";
$GLOBALS[$label]['_endMem'] = memory_get_usage();
echo 'Memories ' . number_format(($GLOBALS[$label]['_endMem'] - $GLOBALS[$label]['_beginMem']) / 1024) . " k \n";
}
/**
* bigid generator
* if u haven't use the autoincrease id ,then use objid() to genearte a unique id.
*/
function objid($length = 1) {
$ivan_len = $length;
$time = explode(' ', microtime());
$id = $time[1] . sprintf('%06u', substr($time[0], 2, 6));
if ($ivan_len > 0) {
$id .= substr(sprintf('%010u', mt_rand()), 0, $ivan_len);
}
return $id;
}
/**
* get instance of a class
* get instance from a class name then cache it
* @param $name class name
* @param $method method of class
* @param $args args in the method
*/
function model_get_instance_of($name, $method = '', $args = array()) {
static $_instance = array();
$identify = empty($args) ? $name . $method : $name . $method . model_to_guid_string($args);
if (!isset($_instance[$identify])) {
if (class_exists($name)) {
$o = new $name();
if (method_exists($o, $method)) {
if (!empty($args)) {
$_instance[$identify] = call_user_func_array(array(&$o, $method), $args);
} else {
$_instance[$identify] = $o->$method();
}
} else {
$_instance[$identify] = $o;
}
} else {
throw_exception('CLASS_NOT_EXIST:' . $name);
}
}
return $_instance[$identify];
}
/**
* build guid
* @param string $mix guid md5
*/
function model_to_guid_string($mix) {
if (is_object($mix) && function_exists('spl_object_hash')) {
return spl_object_hash($mix);
} elseif (is_resource($mix)) {
$mix = get_resource_type($mix) . strval($mix);
} else {
$mix = serialize($mix);
}
return md5($mix);
}
/**
* simple exception setting
* show exception information use echo()
* TODO: need extend
* @param $msg throw message
* @param $type exception type
* @param $code exception code
*/
function model_throw_exception($msg, $type = 'Exception', $code = 888) {
throw_exception($msg, $type, $code);
}
/**
* String name style format
* type
* =0 change java to c
* =1 change c to java
* @param string $name string
* @param integer $type change type
* @return string
*/
function model_parse_name($name, $type = 0) {
if ($type) {
return ucfirst(preg_replace("/_([a-zA-Z])/e", "strtoupper('\\1')", $name));
} else {
$name = preg_replace("/[A-Z]/", "_\\0", $name);
return strtolower(trim($name, "_"));
}
}
/**
* Cookie set/get/clear
* 1 cookie: cookie('name')
* 2 clear cookie: cookie(null)
* 3 del prifix cookie: cookie(null,'think_') | prefix
* 4 set cookie: cookie('name','value') | savetime: cookie('name','value',array('expire'=>36000))
* 5 del cookie: cookie('name',null)
* $option prefix,expire,path,domain
* cookie('name','value',array('expire'=>1,'prefix'=>'think_'))
* cookie('name','value','prefix=tp_&expire=10000')
*/
function cookie($name, $value = '', $option = null) {
$config = array(
'prefix' => C('COOKIE_PREFIX'),
'expire' => C('COOKIE_EXPIRE'),
'path' => C('COOKIE_PATH'),
'domain' => C('COOKIE_DOMAIN'),
);
if (!empty($option)) {
if (is_numeric($option)) {
$option = array('expire' => $option);
} elseif (is_string($option)) {
parse_str($option, $option);
}
$config = array_merge($config, array_change_key_case($option));
}
if (is_null($name)) {
if (empty($_COOKIE)) {
return;
}
$prefix = empty($value) ? $config['prefix'] : $value;
if (!empty($prefix)) {
foreach ($_COOKIE as $key => $val) {
if (0 === stripos($key, $prefix)) {
setcookie($key, '', time() - 3600, $config['path'], $config['domain']);
unset($_COOKIE[$key]);
}
}
}
return;
}
$name = $config['prefix'] . $name;
if ('' === $value) {
return isset($_COOKIE[$name]) ? $_COOKIE[$name] : null;
} else {
if (is_null($value)) {
setcookie($name, '', time() - 3600, $config['path'], $config['domain']);
unset($_COOKIE[$name]);
} else {
$expire = !empty($config['expire']) ? time() + intval($config['expire']) : 0;
setcookie($name, $value, $expire, $config['path'], $config['domain']);
$_COOKIE[$name] = $value;
}
}
}
/**
* xml encode
* array to xml
* @param $data array data
* @param $encoding string
* @param $root string
*/
function xml_encode($data, $encoding = 'utf-8', $root = "buddy") {
$xml = '<?xml version="1.0" encoding="' . $encoding . '"?>';
$xml.= '<' . $root . '>';
$xml.= data_to_xml($data);
$xml.= '</' . $root . '>';
return $xml;
}
function data_to_xml($data) {
if (is_object($data)) {
$data = get_object_vars($data);
}
$xml = '';
foreach ($data as $key => $val) {
is_numeric($key) && $key = "item id=\"$key\"";
$xml.="<$key>";
$xml.= ( is_array($val) || is_object($val)) ? data_to_xml($val) : $val;
list($key, ) = explode(' ', $key);
$xml.="</$key>";
}
return $xml;
}
/**
* getip
* get client ip
*/
function getip() {
//@todo: 开发后移除
return '123.112.64.9';
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);
}
/**
* msub string
* @param string $str
* @param int $start
* @param int $length
* @param string $charset
* @param bool $suffix
*/
function msubstr($str, $start = 0, $length, $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 . "…";
return $slice;
}
/**
* add params to url
* @param string $strUrl
* @param array $arrParamsToAdd array('key'=>'value','key1'=>'value1')
*/
function addParamToUrl($strUrl, $arrParamsToAdd = array()) {
$strQuery = substr(strstr($strUrl, "?"), 1); // string or false
$arrQueryParams = array();
if ($strQuery) {
$strFragment = strstr($strQuery, "#"); // string or false
$strQuery = $strFragment ? substr($strQuery, 0, strlen($strQuery) - strlen($strFragment)) : $strQuery; // delete the fragment from the query
$arrUrlParse["query"] = $strQuery;
parse_str($strQuery, $arrQueryParams);
}
$arrUrlParse = parse_url($strUrl);
if (empty($arrUrlParse["path"]) && empty($strQuery)) {
$arrUrlParse["path"] = '/';
}
$arrQueryParams = array_merge($arrQueryParams, $arrParamsToAdd);
$arrUrlParse['query'] = http_build_query($arrQueryParams);
$url = (isset($arrUrlParse["scheme"]) ? $arrUrlParse["scheme"] . "://" : "") .
(isset($arrUrlParse["user"]) ? $arrUrlParse["user"] . ":" : "") .
(isset($arrUrlParse["pass"]) ? $arrUrlParse["pass"] . "@" : "") .
(isset($arrUrlParse["host"]) ? $arrUrlParse["host"] : "") .
(isset($arrUrlParse["port"]) ? ":" . $arrUrlParse["port"] : "") .
(isset($arrUrlParse["path"]) ? $arrUrlParse["path"] : "") .
(isset($arrUrlParse["query"]) ? "?" . $arrUrlParse["query"] : "") .
(isset($arrUrlParse["fragment"]) ? "#" . $arrUrlParse["fragment"] : "");
return $url;
}
/**
* get root domain
* @param $url url
*/
function getDomain($url) {
$r = parse_url($url);
$domain = $r['host'];
$domainarr = explode('.', $domain);
$count = count($domainarr);
return $domainarr[$count - 2] . '.' . $domainarr[$count - 1];
}
/**
* initLog
* to log log @todo if u will add the filed of log then add it
*/
function initLog() {
//'logid','ip','uid','traceid','method','uri'
//@TODO LOG RECORD IT THE ALL OF
$config = C('log.' . APP_NAME);
if (!empty($config)) {
if (isset($config['info']['ip'])) {
$config['info']['ip'] = getip();
}
if (isset($config['info']['uid'])) {
$config['info']['uid'] = userID();
}
if (isset($config['info']['traceid'])) {
$config['info']['traceid'] = traceID();
}
logInit($config['dir'], $config['file'], $config['level'], $config['info'], $config['flush']);
}
}
/**
* string encode
* @param string $txt string field
* @param string $key encrykey
*/
function strEncode($txt, $key = 'woshimaijiayxq') {
$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 $ch . $tmp;
}
/**
* string encode
* @param string $txt string field
* @param string $key encrykey
*/
function strDecode($txt, $key = 'woshimaijiayxq') {
$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);
}
/**
* get key value from array with key
* @param string $array
* @param unknown_type $idfield
*/
function strin($array, $idfield = 'id', $isstring = false) {
$str = '';
$left = '(';
$right = ')';
if (is_array($array)) {
$str = $isstring ? $str : $str . $left;
foreach ($array as $value) {
if (is_array($value) && isset($value[$idfield])) {
$str .= "'" . $value[$idfield] . "',";
} else {
$str .= "'" . $value . "',";
}
}
return $isstring ? substr($str, 0, -1) : substr($str, 0, -1) . $right;
} else {
return $isstring ? $array : "('$array')";
}
}
//arr to one
function arrToOne($array, $field = 'id') {
$arr = array();
if (is_array($array)) {
foreach ($array as $one) {
if (isset($one[$field])) {
$arr[] = $one[$field];
} elseif (is_string($field)) {
$arr[] = $one;
}
}
}
return $arr;
}
/**
* get item of dataset filed to array
* @param array $array array of dataset
* @param string $idfield
*/
function datasetToArray($array, $idfield = 'id') {
$arr = array();
if (!empty($array)) {
foreach ($array as $value) {
if (isset($value[$idfield])) {
$arr[] = $value[$idfield];
}
}
}
return $arr;
}
/**
* Jump to other url
* @param string $strUrl
*/
function jump($url) {
$url = reMoveXss($url);
//TODO：可以进行扩展
if (!empty($url)) {
header("Location:{$url}");
}
exit();
}
/**
* js go to url function
* @param unknown_type $strUrl
*/
function jsGotoUrl($url) {
$url = reMoveXss($url);
$strHtml = <<<EOF
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta http-equiv="ReFresh" content="0; url={$url}" />
<title>正在处理...</title>
</head>
<body>
<script>
var url="{$url}";
location.href=url;
</script>
</body>
</html>
EOF;
echo $strHtml;
exit();
}
/**
* remove xss code of the string
* @param string $val
*/
function reMoveXss($val) {
$patterns = array(
'<',
'>',
'"',
"'",
);
$replacements = array(
'<',
'>',
'"',
''',
);
$val = str_replace($patterns, $replacements, $val);
return $val;
}
/**
* get all files of dir
* @param string $dir dir path
*/
function allFiles($dir) {
$files = array();
if (is_file($dir)) {
return $dir;
}
$handle = opendir($dir);
if ($handle) {
while (false !== ($file = readdir($handle))) {
if ($file != '.' && $file != '..') {
$filename = $dir . "/" . $file;
if (is_file($filename)) {
$files[] = $filename;
} else {
$files = array_merge($files, allfile($filename));
}
}
} // end while
closedir($handle);
}
return $files;
}
/**
* generate content to array
* @param string $file file
*/
function getFileContentToArray($file) {
$array = array();
if (is_file($file)) {
$file_handle = fopen($file, "r");
while (!feof($file_handle)) {
$line = fgets($file_handle);
$array[] = trim($line);
}
fclose($file_handle);
}
return $array;
}
function posix_getpid_new() {
return DIRECTORY_SEPARATOR == '/' ? posix_getpid() : '8888';
}
/**
* friendly var_dump for explorer
* @param mixed $var var
* @param bool $echo
* @param string $label
* @param bool $strict
*/
function dump($var, $echo = true, $label = null, $strict = true) {
$label = ($label === null) ? '' : rtrim($label) . ' ';
if (!$strict) {
if (ini_get('html_errors')) {
$output = print_r($var, true);
$output = "<pre>" . $label . htmlspecialchars($output, ENT_QUOTES) . "</pre>";
} else {
$output = $label . print_r($var, true);
}
} else {
ob_start();
var_dump($var);
$output = ob_get_clean();
if (!extension_loaded('xdebug')) {
$output = preg_replace("/\]\=\>\n(\s+)/m", "] => ", $output);
$output = '<pre>' . $label . htmlspecialchars($output, ENT_QUOTES) . '</pre>';
}
}
if ($echo) {
echo($output);
return null;
}else
return $output;
}
/**
* count time used
* @param string $key key of the lable
* @param int $step step
* @throws Exception
*/
function T($key, $step = 0) {
static $_num = array();
if (!isset($_num[$key])) {
$_num[$key] = 0;
}
if (empty($step))
return $_num[$key];
else
$_num[$key] = $_num[$key] + (int) $step;
}
/**
* merge ids from 2 array
* default length is 500
* @param array $ids1 array 1
* @param array $ids2 array 2
* @param int $length length of array
*/
function mergeIds($ids1, $ids2, $length = 500) {
if (is_array($ids1) && is_array($ids2)) {
$arr_new = array_merge($ids1, $ids2);
rsort($arr_new);
return implode(',', array_slice($arr_new, 0, $length));
} else {
return false;
}
}
/**
* join id to head
* join id to head with string
* @param bigint $id id
* @param string $ids id sperate by ,
* @param int $length length of the list
*/
function joinIdToHead($id, $ids, $length = 500) {
$ids_arr = array_slice(explode(",", $ids), 0, $length - 1);
return rtrim($id . ',' . implode(',', $ids_arr), ',');
}
/**
* remove id from ids string
* @param bigint $id
* @param unknown_type $ids
*/
function removeIdFromIds($id, $ids) {
$ids = str_replace(',' . strval($id) . ',', ',', ',' . $ids . ',');
return trim($ids, ',');
}
/**
* get next all ids to array
* @param string $ids ids seperate by ,
* @param bigint $id big int of id
* @throws Exception
*/
function subNextAllIdsToArray($ids, $id) {
$ids = ',' . $ids . ',';
$pos = strpos($ids, ',' . strval($id) . ',');
if ($pos) {
$new_ids = substr($ids, 0, $pos);
} else {
$new_ids = $ids;
}
if ($new_ids == '') {
return array();
} else {
return explode(",", trim($new_ids, ','));
}
}
/**
* get length of ids form ids by next id to array
* @param string $ids ids
* @param bigint $id id
* @param int $start from
* @param int $limit limit
*/
function subNextIdsToArray($ids, $id, $start = 0, $length = 50) {
$res_ids = subNextAllIdsToArray($ids, $id);
if (count($res_ids) > $length) {
$res_ids = array_slice($res_ids, $start, $length);
}
return $res_ids;