PHP Tutorials

if (expression): ?> Statement endif ?> Copy CodeThe above notation is the alternative syntax for PHP's Process control.There are several alternative syntaxes in the PHP Process

gettype-getting variable typesGrammar:String GetType (mixed $var)The possible values for the returned string are:BooleanIntegerDoubleStringArrayObjectResourceNullUnknown typeAttention:Do not use GetType () to test for a type, because its returned

function Dirsize ($directoty) { $dir _size=0; if ($dir _handle= @opendir ($directoty)) { while ($filename =readdir ($dir _handle)) { $subFile = $directoty. Directory_separator. $filename; if ($filename = = '

Grammar Integer checkdate (int%month, int $Day, int $Year); Demo Code echo "2/29/1900"; Checkdate (2, 1900)? print "is Valid":p rint "was not Valid"; echo "\ n"; echo "2/29/2000";

With ImageMagick, you can easily and quickly create thumbnails that are much easier to use than PHP. Location to upload main image: $mainDir = $_server[' Document_root '). ' /images/l/'; Location to create the thumb

php Getting Started (basic, variable, constant, structure statement), a friend of the need can refer to. Basic knowledge: ?> can omit string connectors are. Comments//Variables variables must have a first letter of $, a letter or underscore "_"

A powerful and easy-to-use PHP microarchitecture designed to help you build dynamic and powerful Web applications-fast!The entire frame size is less than 60kb, although lightweight, but not simple. The support for routing, ORM, and MVC is very good.

$int = 36; $str =array (); $flag = 0; Echo chr ($int%36+87); while ($int!=0) { if ($int%36 else $str [$flag ++]=chr ($int%36+87); $int/=36; } for ($i = $flag; $i >=0; $i-=1) if ($str [$i]!=0

/* HTTP Authentication Determine the route page Write log */ disabling Error Reporting////////////// error_reporting (0); HTTP Authentication//////////// if (!isset ($_server[' Php_auth_user ')) {

Using the PHP code provided on the server to download, you can specify the name of the downloaded file, you can dynamically specify the contents of the file Local file that should is send to the client $local _file = ' test.zip ';

function Getweekstartandend ($year, $week =1) { Header ("Content-type:text/html;charset=utf-8"); Date_default_timezone_set ("Asia/shanghai"); $year = (int) $year; $week = (int) $week; Calculates the total year of the week by

PHP uses HTTP_BUILD_QUERY,PARSE_URL,PARSE_STR to create and parse URLs, and the friends you need can refer to them.1.http_build_queryHttp_build_query can create a request string after UrlEncode. String Http_build_query (mixed

BOOL Setcookie (String $name [, String $value [, int $expire = 0 [, String $path [, String $domain [, bool $secure = Fals e [, bool $httponly = FALSE]]]] Explain:this requires that's calls to this function prior to any output, including and

Get the last day of a month or the number of days of a month function Getmonthlastday ($month, $year) { Switch ($month) { Case 4: Case 6: Case 9: Case 11: $days = 30; Break Case 2:

function My_image_resize ($src _file, $dst _file, $new _width, $new _height) { $src _img=imagecreatefromjpeg ($src _file); $w =imagesx ($src _img); $h =imagesy ($src _img); $ratio _w=1.0 * $new _width/$w; $ratio _h=1.0 *

/** * Picture shrinkage Water printing type * */ Class Cls_photo { protected $waterrate = 0.2; The scale of the watermark icon on the picture protected $width = 300; Thumbnail default width protected $height =

Sometimes in order to adjust the interface periodically, the program needs to run automatically. There are two ways to do this from the Internet: 1, Ignore_user_abort () Ignore_user_abort () functions with Set_time_limit (0) and sleep ($interval)

Local file that should is send to the client $local _file = ' test-file.zip '; filename that the user gets as default $download _file = ' your-download-name.zip '; Set the download rate limit (= 20,5 kb/s)

function Useros () { $user _osagent = $_server[' http_user_agent '); if (Strpos ($user _osagent, "NT 6.1")) { $visitor _os = "Windows 7"; } elseif (Strpos ($user _osagent, "NT 5.1")) { $visitor _os = "Windows XP (SP2)";

2.jpg (3.82 KB, download number: 2) Download attachments 2016-1-2 15:52 Upload /** * Generate GUID (UUID) * @access Public * @return String * @author Knight */