5. 可变变量Variable Variables 一个变量的值为另一个变量的名 $a = ‘hello’ ; $hello = ’world’ ; Echo $$a //输出结果为world 6. 静态变量Static 静态变量只存在于函数内,其值在函数执行结束后不会被重置 7. 传值方式 ►复制传值:一个变量将其值复制一份,产生一个新的内存地址,再给第二个...
;– variables_order = “GPCS” [Performance] ; The environment variables are not hashed into the $_ENV. To access ; environment variables, you can use getenv() instead. ;– error_reporting = E_ALL [Code Cleanliness, Security(?)] ; By default, PHP suppresses errors of type E_NOTICE. T...
// 正常的GET、POSTecho$_GET['show'],'';// 1echo$_POST['name'],'';// 提交的内容 这是最基础的也是最直接的接参方式,GET参数通过 $_GET 获取,POST参数通过 $_POST 获取,互相都不干扰。 正常的$_REQUEST方式 // 使用REQUESTecho$_REQUEST['show'],'';// 1echo$_REQUEST['tel'],'';// ...
已弃用的多个特性 allow_call_time_pass_reference、define_syslog_variables、highlight.bg、register_globals、register_long_arrays、magic_quotes、safe_mode、zend.ze1_compatibility_mode、session.bug_compat42、session.bug_compat_warn 以及 y2k_compliance。 (3)php底层编码规范 PHP 源码编码标准翻译 任何想要添加...
$_POST contains an array of variables received via the HTTP POST method.There are two main ways to send variables via the HTTP Post method:HTML forms JavaScript HTTP requests$_POST in HTML FormsA HTML form submits information via the HTTP POST method if the form's method attribute is set...
Deny from all</Files></Directory> 1.1.2. Nginx / lighttpd + fastcgi Nginx / lighttpd 案例分析 nginx / lighttpd : root web server 子进程 : nobody php-fpm : root php-fpm 子进程 : nobody HTDOCS 目录 : /var/www /var/www |--include |--image |--temp |--... ...
$_POST is an array of variables passed to the current script via the HTTP POST method. When to use GET? Information sent from a form with the GET method isvisible to everyone(all variable names and values are displayed in the URL). GET also has limits on the amount of information to ...
($table); if (count($tabledb)) { if ($highver) { $db_engine = $DB->fetch($DB->query("SHOW VARIABLES LIKE 'storage_engine';")); $db_collation = $DB->fetch($DB->query("SHOW VARIABLES LIKE 'collation_database';")); } $sort = array('Name', 1); if($order) { if(preg_...
show create table user; 这个命令的作用? 显示创建表的sql语句 desc user; 这个命令的作用? 查询user表的结构 explain select * from user; 这个命令的作用? 获取select相关信息 show processlist; 这个命令的作用? 显示哪些线程正在运行 SHOW VARIABLES; 这个命令的作用?
; How many GET/POST/COOKIE input variables may be accepted max_input_vars = 2500 ; Maximum amount of memory a script may consume (128MB) ; http://php.net/memory-limit memory_limit = 128M ;;; ; Error handling and logging ; ;;; ; ...