从phpcms v9里提取的常用函数
/**
* 返回经addslashes处理过的字符串或数组
* @param $string 需要处理的字符串或数组
* @return mixed
*/
function new_addslashes($string){
? ? if(!is_array($string)) return addslashes($string);
? ? foreach($string as $key => $val) $string[$key] = new_addslashes($val);
? ? return $string;
}
/**
* 返回经stripslashes处理过的字符串或数组
* @param $string 需要处理的字符串或数组
* @return mixed
*/
function new_stripslashes($string) {
? ? if(!is_array($string)) return stripslashes($string);
? ? foreach($string as $key => $val) $string[$key] = new_stripslashes($val);
? ? return $string;
}
/**
* 返回经addslashe处理过的字符串或数组
* @param $obj 需要处理的字符串或数组
* @return mixed
*/
function new_html_special_chars($string) {
? ? if(!is_array($string)) return htmlspecialchars($string);
? ? foreach($string as $key => $val) $string[$key] = new_html_special_chars($val);
? ? return $string;
}
/**
* 安全过滤函数
*
* @param $string
* @return string
*/
function safe_replace($string) {
? ? $string = str_replace('%20','',$string);
? ? $string = str_replace('%27','',$string);
? ? $string = str_replace('%2527','',$string);
? ? $string = str_replace('*','',$string);
? ? $string = str_replace('"','"',$string);
? ? $string = str_replace("'",'',$string);
? ? $string = str_replace('"','',$string);
? ? $string = str_replace(';','',$string);
? ? $string = str_replace('? ? $string = str_replace("{",'',$string);
? ? $string = str_replace('}','',$string);
? ? return $string;
}
/**
* 过滤ASCII码从0-28的控制字符
* @return String
*/
function trim_unsafe_control_chars($str) {
? ? $rule = '/[' . chr ( 1 ) . '-' . chr ( 8 ) . chr ( 11 ) . '-' . chr ( 12 ) . chr ( 14 ) . '-' . chr ( 31 ) . ']*/';
? ? return str_replace ( chr ( 0 ), '', preg_replace ( $rule, '', $str ) );
}
/**
* 格式化文本域内容
*
* @param $string 文本域内容
* @return string
*/
function trim_textarea($string) {
? ? $string = nl2br ( str_replace ( ' ', ' ', $string ) );
? ? return $string;
}
/**
* 将文本格式成适合js输出的字符串
* @param string $string 需要处理的字符串
* @param intval $isjs 是否执行字符串格式化,默认为执行
* @return string 处理后的字符串
*/
function format_js($string, $isjs = 1)
{
? ? $string = addslashes(str_replace(array("\r", "\n"), array('', ''), $string));
? ? return $isjs ? 'document.write("'.$string.'");' : $string;
}
/**
* 转义 javascript 代码标记
*
* @param $str
* @return mixed
*/
function trim_script($str) {
? ? $str = preg_replace ( '/\]*?)\>/si', '<\\1script\\2>', $str );
? ? $str = preg_replace ( '/\]*?)\>/si', '<\\1iframe\\2>', $str );
? ? $str = preg_replace ( '/\]*?)\>/si', '<\\1frame\\2>', $str );
? ? $str = preg_replace ( '/]]\>/si', ']] >', $str );
? ? return $str;
}
/**
* 获取当前页面完整URL地址
*/
function get_url() {
? ? $sys_protocal = isset($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] == '443' ? 'https://' : 'http://';
? ? $php_self = $_SERVER['PHP_SELF'] ? safe_replace($_SERVER['PHP_SELF']) : safe_replace($_SERVER['SCRIPT_NAME']);
? ? $path_info = isset($_SERVER['PATH_INFO']) ? safe_replace($_SERVER['PATH_INFO']) : '';
? ? $relate_url = isset($_SERVER['REQUEST_URI']) ? safe_replace($_SERVER['REQUEST_URI']) : $php_self.(isset($_SERVER['QUERY_STRING']) ? '?'.safe_replace($_SERVER['QUERY_STRING']) : $path_info);
? ? return $sys_protocal.(isset($_SERVER['HTTP_HOST']) ? $_SERVER['HTTP_HOST'] : '').$relate_url;
}
/**
* 字符截取 支持UTF8/GBK
* @param $string
* @param $length
* @param $dot
*/
function str_cut($string, $length, $dot = '...') {
? ? $strlen = strlen($string);
? ? if($strlen ? ? $string = str_replace(array(' ',' ', '&', '"', ''', '“', '”', '—', '<', '>', '·', '…'), array('∵',' ', '&', '"', "'", '“', '”', '—', '', '·', '…'), $string);
? ? $strcut = '';
? ? if(strtolower(CHARSET) == 'utf-8') {
? ?? ???$length = intval($length-strlen($dot)-$length/3);
? ?? ???$n = $tn = $noc = 0;
? ?? ???while($n ? ?? ?? ?? ?$t = ord($string[$n]);
? ?? ?? ?? ?if($t == 9 || $t == 10 || (32 ? ?? ?? ?? ?? ? $tn = 1; $n++; $noc++;
? ?? ?? ?? ?} elseif(194 ? ?? ?? ?? ?? ? $tn = 2; $n += 2; $noc += 2;
? ?? ?? ?? ?} elseif(224 ? ?? ?? ?? ?? ? $tn = 3; $n += 3; $noc += 2;
? ?? ?? ?? ?} elseif(240 ? ?? ?? ?? ?? ? $tn = 4; $n += 4; $noc += 2;
? ?? ?? ?? ?} elseif(248 ? ?? ?? ?? ?? ? $tn = 5; $n += 5; $noc += 2;
? ?? ?? ?? ?} elseif($t == 252 || $t == 253) {
? ?? ?? ?? ?? ? $tn = 6; $n += 6; $noc += 2;
? ?? ?? ?? ?} else {
? ?? ?? ?? ?? ? $n++;
? ?? ?? ?? ?}
? ?? ?? ?? ?if($noc >= $length) {
? ?? ?? ?? ?? ? break;
? ?? ?? ?? ?}
? ?? ???}
? ?? ???if($noc > $length) {
? ?? ?? ?? ?$n -= $tn;
? ?? ???}
? ?? ???$strcut = substr($string, 0, $n);
? ?? ???$strcut = str_replace(array('∵',' ', '&', '"', "'", '“', '”', '—', '', '·', '…'), array(' ',' ', '&', '"', ''', '“', '”', '—', '<', '>', '·', '…'), $strcut);
? ? } else {
? ?? ???$dotlen = strlen($dot);
? ?? ???$maxi = $length - $dotlen - 1;
? ?? ???$current_str = '';
? ?? ???$search_arr = array('&',' ', '"', "'", '“', '”', '—', '', '·', '…','∵');
? ?? ???$replace_arr = array('&',' ', '"', ''', '“', '”', '—', '<', '>', '·', '…',' ');
? ?? ???$search_flip = array_flip($search_arr);
? ?? ???for ($i = 0; $i ? ?? ?? ?? ?$current_str = ord($string[$i]) > 127 ? $string[$i].$string[++$i] : $string[$i];
? ?? ?? ?? ?if (in_array($current_str, $search_arr)) {
? ?? ?? ?? ?? ? $key = $search_flip[$current_str];
? ?? ?? ?? ?? ? $current_str = str_replace($search_arr[$key], $replace_arr[$key], $current_str);
? ?? ?? ?? ?}
? ?? ?? ?? ?$strcut .= $current_str;
? ?? ???}
? ? }
? ? return $strcut.$dot;
}
/**
* 获取请求ip
*
* @return ip地址
*/
function ip() {
? ? if(getenv('HTTP_CLIENT_IP') && strcasecmp(getenv('HTTP_CLIENT_IP'), 'unknown')) {
? ?? ???$ip = getenv('HTTP_CLIENT_IP');
? ? } elseif(getenv('HTTP_X_FORWARDED_FOR') && strcasecmp(getenv('HTTP_X_FORWARDED_FOR'), 'unknown')) {
? ?? ???$ip = getenv('HTTP_X_FORWARDED_FOR');
? ? } elseif(getenv('REMOTE_ADDR') && strcasecmp(getenv('REMOTE_ADDR'), 'unknown')) {
? ?? ???$ip = getenv('REMOTE_ADDR');
? ? } elseif(isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], 'unknown')) {
? ?? ???$ip = $_SERVER['REMOTE_ADDR'];
? ? }
? ? return preg_match ( '/[\d\.]{7,15}/', $ip, $matches ) ? $matches [0] : '';
}
function get_cost_time() {
? ? $microtime = microtime ( TRUE );
? ? return $microtime - SYS_START_TIME;
}
/**
* 程序执行时间
*
* @return? ? int? ? 单位ms
*/
function execute_time() {
? ? $stime = explode ( ' ', SYS_START_TIME );
? ? $etime = explode ( ' ', microtime () );
? ? return number_format ( ($etime [1] + $etime [0] - $stime [1] - $stime [0]), 6 );
}
/**
* 产生随机字符串
*
* @param? ? int? ?? ???$length??输出长度
* @param? ? string? ???$chars? ?可选的 ,默认为 0123456789
* @return? ?string? ???字符串
*/
function random($length, $chars = '0123456789') {
? ? $hash = '';
? ? $max = strlen($chars) - 1;
? ? for($i = 0; $i ? ?? ???$hash .= $chars[mt_rand(0, $max)];
? ? }
? ? return $hash;
}
/**
* 将字符串转换为数组
*
* @param? ? string? ? $data? ? 字符串
* @return? ? array? ? 返回数组格式,如果,data为空,则返回空数组
*/
function string2array($data) {
? ? if($data == '') return array();
? ? eval("\$array = $data;");
? ? return $array;
}
/**
* 将数组转换为字符串
*
* @param? ? array? ? $data? ?? ???数组
* @param? ? bool? ? $isformdata? ? 如果为0,则不使用new_stripslashes处理,可选参数,默认为1
* @return? ? string? ? 返回字符串,如果,data为空,则返回空
*/
function array2string($data, $isformdata = 1) {
? ? if($data == '') return '';
? ? if($isformdata) $data = new_stripslashes($data);
? ? return addslashes(var_export($data, TRUE));
}
/**
* 转换字节数为其他单位
*
*
* @param? ? string? ? $filesize? ? 字节大小
* @return? ? string? ? 返回大小
*/
function sizecount($filesize) {
? ? if ($filesize >= 1073741824) {
? ?? ???$filesize = round($filesize / 1073741824 * 100) / 100 .' GB';
? ? } elseif ($filesize >= 1048576) {
? ?? ???$filesize = round($filesize / 1048576 * 100) / 100 .' MB';
? ? } elseif($filesize >= 1024) {
? ?? ???$filesize = round($filesize / 1024 * 100) / 100 . ' KB';
? ? } else {
? ?? ???$filesize = $filesize.' Bytes';
? ? }
? ? return $filesize;
}
?
/**
* 字符串加密、解密函数
*
*
* @param? ? ? ? string? ? ? ? $txt? ? ? ? ? ? ? ? 字符串
* @param? ? ? ? string? ? ? ? $operation? ? ? ? ENCODE为加密,DECODE为解密,可选参数,默认为ENCODE,
* @param? ? ? ? string? ? ? ? $key? ? ? ? ? ? ? ? 密钥:数字、字母、下划线
* @return? ? ? ? string
*/
function sys_auth($txt, $operation = 'ENCODE', $key = '') {
? ? ? ? $key? ? ? ? = $key ? $key : pc_base::load_config('system', 'auth_key');
? ? ? ? $txt? ? ? ? = $operation == 'ENCODE' ? (string)$txt : base64_decode($txt);
? ? ? ? $len? ? ? ? = strlen($key);
? ? ? ? $code? ? ? ? = '';
? ? ? ? for($i=0; $i
? ? ? ? ? ? ? ? $code??.= $txt[$i] ^ $key[$k];
? ? ? ? }
? ? ? ? $code = $operation == 'DECODE' ? $code : base64_encode($code);
? ? ? ? return $code;
}
/**
* 语言文件处理
*
* @param? ? ? ? string? ? ? ? ? ? ? ? $language? ? ? ? 标示符
* @param? ? ? ? array? ? ? ? ? ? ? ? $pars? ? ? ? 转义的数组,二维数组 ,'key1'=>'value1','key2'=>'value2',
* @param? ? ? ? string? ? ? ? ? ? ? ? $modules 多个模块之间用半角逗号隔开,如:member,guestbook
* @return? ? ? ? string? ? ? ? ? ? ? ? 语言字符
*/
function L($language = 'no_language',$pars = array(), $modules = '') {
? ? ? ? static $LANG = array();
? ? ? ? static $LANG_MODULES = array();
? ? ? ? $lang = pc_base::load_config('system','lang');
? ? ? ? if(!$LANG) {
? ? ? ? ? ? ? ? require_once PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.'system.lang.php';
? ? ? ? ? ? ? ? if(defined('IN_ADMIN')) require_once PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.'system_menu.lang.php';
? ? ? ? ? ? ? ? if(file_exists(PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.ROUTE_M.'.lang.php')) require PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.ROUTE_M.'.lang.php';
? ? ? ? }
? ? ? ? if(!empty($modules)) {
? ? ? ? ? ? ? ? $modules = explode(',',$modules);
? ? ? ? ? ? ? ? foreach($modules AS $m) {
? ? ? ? ? ? ? ? ? ? ? ? if(!isset($LANG_MODULES[$m])) require PC_PATH.'languages'.DIRECTORY_SEPARATOR.$lang.DIRECTORY_SEPARATOR.$m.'.lang.php';
? ? ? ? ? ? ? ? }
? ? ? ? }
? ? ? ? if(!array_key_exists($language,$LANG)) {
? ? ? ? ? ? ? ? return $LANG['no_language'].'['.$language.']';
? ? ? ? } else {
? ? ? ? ? ? ? ? $language = $LANG[$language];
? ? ? ? ? ? ? ? if($pars) {
? ? ? ? ? ? ? ? ? ? ? ? foreach($pars AS $_k=>$_v) {
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? $language = str_replace('{'.$_k.'}',$_v,$language);
? ? ? ? ? ? ? ? ? ? ? ? }
? ? ? ? ? ? ? ? }
? ? ? ? ? ? ? ? return $language;
? ? ? ? }
}
/**
* 模板调用
*
* @param $module
* @param $template
* @param $istag
* @return unknown_type
*/
function template($module = 'content', $template = 'index', $style = '') {
? ? ? ? if(!empty($style) && !defined('STYLE')) {
? ? ? ? ? ? ? ? define('STYLE', $style);
? ? ? ? } elseif (empty($style) && !defined('STYLE')) {
? ? ? ? ? ? ? ? if(defined('SITEID')) {
? ? ? ? ? ? ? ? ? ? ? ? $siteid = SITEID;
? ? ? ? ? ? ? ? } else {
? ? ? ? ? ? ? ? ? ? ? ? $siteid = param::get_cookie('websiteid');
? ? ? ? ? ? ? ? }
? ? ? ? ? ? ? ? $sitelist = getcache('sitelist','commons');
? ? ? ? ? ? ? ? if(!empty($siteid)) {
? ? ? ? ? ? ? ? ? ? ? ? $style = $sitelist[$siteid]['default_style'];
? ? ? ? ? ? ? ? }
? ? ? ? } elseif (empty($style) && defined('STYLE')) {
? ? ? ? ? ? ? ? $style = STYLE;
? ? ? ? } else {
? ? ? ? ? ? ? ? $style = 'default';
? ? ? ? }
? ? ? ? if(!$style) $style = 'default';
? ? ? ? $template_cache = pc_base::load_sys_class('template_cache');
? ? ? ? $compiledtplfile = PHPCMS_PATH.'caches'.DIRECTORY_SEPARATOR.'caches_template'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.php';
? ? ? ? if(file_exists(PC_PATH.'templates'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html')) {
? ? ? ? ? ? ? ? if(!file_exists($compiledtplfile) || (@filemtime(PC_PATH.'templates'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') > @filemtime($compiledtplfile))) {? ? ? ?
? ? ? ? ? ? ? ? ? ? ? ? $template_cache->template_compile($module, $template, $style);
? ? ? ? ? ? ? ? }
? ? ? ? } else {
? ? ? ? ? ? ? ? $compiledtplfile = PHPCMS_PATH.'caches'.DIRECTORY_SEPARATOR.'caches_template'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.php';
? ? ? ? ? ? ? ? if(!file_exists($compiledtplfile) || (file_exists(PC_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') && filemtime(PC_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html') > filemtime($compiledtplfile))) {
? ? ? ? ? ? ? ? ? ? ? ? $template_cache->template_compile($module, $template, 'default');
? ? ? ? ? ? ? ? } elseif (!file_exists(PC_PATH.'templates'.DIRECTORY_SEPARATOR.'default'.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html')) {
? ? ? ? ? ? ? ? ? ? ? ? showmessage('Template does not exist.'.DIRECTORY_SEPARATOR.$style.DIRECTORY_SEPARATOR.$module.DIRECTORY_SEPARATOR.$template.'.html');
? ? ? ? ? ? ? ? }
? ? ? ? }
? ? ? ? return $compiledtplfile;
}
/**
* 输出自定义错误
*
* @param $errno 错误号
* @param $errstr 错误描述
* @param $errfile 报错文件地址
* @param $errline 错误行号
* @return string 错误提示
*/
function my_error_handler($errno, $errstr, $errfile, $errline) {
? ? ? ? if($errno==8) return '';
? ? ? ? $errfile = str_replace(PHPCMS_PATH,'',$errfile);
? ? ? ? if(pc_base::load_config('system','errorlog')) {
? ? ? ? ? ? ? ? error_log(date('m-d H:i:s',SYS_TIME).' | '.$errno.' | '.str_pad($errstr,30).' | '.$errfile.' | '.$errline."\r\n", 3, CACHE_PATH.'error_log.php');
? ? ? ? } else {
? ? ? ? ? ? ? ? $str = '
Need Help?
? ? ? ? ? ? ? ? echo $str;
? ? ? ? }
}
/**
* 提示信息页面跳转,跳转地址如果传入数组,页面会提示多个地址供用户选择,默认跳转地址为数组的第一个值,时间为5秒。
* showmessage('登录成功', array('默认跳转地址'=>'http://www.phpcms.cn'));
* @param string $msg 提示信息
* @param mixed(string/array) $url_forward 跳转地址
* @param int $ms 跳转等待时间
*/
function showmessage($msg, $url_forward = 'goback', $ms = 1250, $dialog = '', $returnjs = '') {
? ? ? ? if(defined('IN_ADMIN')) {
? ? ? ? ? ? ? ? include(admin::admin_tpl('showmessage', 'admin'));
? ? ? ? } else {
? ? ? ? ? ? ? ? include(template('content', 'message'));
? ? ? ? }
? ? ? ? exit;
}
/**
* 查询字符是否存在于某字符串
*
* @param $haystack 字符串
* @param $needle 要查找的字符
* @return bool
*/
function str_exists($haystack, $needle)
{
? ? ? ? return !(strpos($haystack, $needle) === FALSE);
}
/**
* 取得文件扩展
*
* @param $filename 文件名
* @return 扩展名
*/
function fileext($filename) {
? ? ? ? return strtolower(trim(substr(strrchr($filename, '.'), 1, 10)));
}
/**
* 加载模板标签缓存
* @param string $name 缓存名
* @param integer $times 缓存时间
*/
function tpl_cache($name,$times = 0) {
? ? ? ? $filepath = 'tpl_data';
? ? ? ? $info = getcacheinfo($name, $filepath);
? ? ? ? if (SYS_TIME - $info['filemtime'] >= $times) {
? ? ? ? ? ? ? ? return false;
? ? ? ? } else {
? ? ? ? ? ? ? ? return getcache($name,$filepath);
? ? ? ? }
}
/**
* 写入缓存,默认为文件缓存,不加载缓存配置。
* @param $name 缓存名称
* @param $data 缓存数据
* @param $filepath 数据路径(模块名称) caches/cache_$filepath/
* @param $type 缓存类型[file,memcache,apc]
* @param $config 配置名称
* @param $timeout 过期时间
*/
function setcache($name, $data, $filepath='', $type='file', $config='', $timeout='') {
? ? ? ? pc_base::load_sys_class('cache_factory','',0);
? ? ? ? if($config) {
? ? ? ? ? ? ? ? $cacheconfig = pc_base::load_config('cache');
? ? ? ? ? ? ? ? $cache = cache_factory::get_instance($cacheconfig)->get_cache($config);
? ? ? ? } else {
? ? ? ? ? ? ? ? $cache = cache_factory::get_instance()->get_cache($type);
? ? ? ? }
? ? ? ? return $cache->set($name, $data, $timeout, '', $filepath);
}
?
?
转自:http://www.v63app.com/thread-2-1-1.html
?

PHP remains important in modern web development, especially in content management and e-commerce platforms. 1) PHP has a rich ecosystem and strong framework support, such as Laravel and Symfony. 2) Performance optimization can be achieved through OPcache and Nginx. 3) PHP8.0 introduces JIT compiler to improve performance. 4) Cloud-native applications are deployed through Docker and Kubernetes to improve flexibility and scalability.

PHP is suitable for web development, especially in rapid development and processing dynamic content, but is not good at data science and enterprise-level applications. Compared with Python, PHP has more advantages in web development, but is not as good as Python in the field of data science; compared with Java, PHP performs worse in enterprise-level applications, but is more flexible in web development; compared with JavaScript, PHP is more concise in back-end development, but is not as good as JavaScript in front-end development.

PHP and Python each have their own advantages and are suitable for different scenarios. 1.PHP is suitable for web development and provides built-in web servers and rich function libraries. 2. Python is suitable for data science and machine learning, with concise syntax and a powerful standard library. When choosing, it should be decided based on project requirements.

PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7

The reasons why PHP is the preferred technology stack for many websites include its ease of use, strong community support, and widespread use. 1) Easy to learn and use, suitable for beginners. 2) Have a huge developer community and rich resources. 3) Widely used in WordPress, Drupal and other platforms. 4) Integrate tightly with web servers to simplify development deployment.

PHP remains a powerful and widely used tool in modern programming, especially in the field of web development. 1) PHP is easy to use and seamlessly integrated with databases, and is the first choice for many developers. 2) It supports dynamic content generation and object-oriented programming, suitable for quickly creating and maintaining websites. 3) PHP's performance can be improved by caching and optimizing database queries, and its extensive community and rich ecosystem make it still important in today's technology stack.

In PHP, weak references are implemented through the WeakReference class and will not prevent the garbage collector from reclaiming objects. Weak references are suitable for scenarios such as caching systems and event listeners. It should be noted that it cannot guarantee the survival of objects and that garbage collection may be delayed.

The \_\_invoke method allows objects to be called like functions. 1. Define the \_\_invoke method so that the object can be called. 2. When using the $obj(...) syntax, PHP will execute the \_\_invoke method. 3. Suitable for scenarios such as logging and calculator, improving code flexibility and readability.


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This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

ZendStudio 13.5.1 Mac
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WebStorm Mac version
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