PHP Tutorials

1. For arrays$a =array (1,2,3,6);$b =array (1,2,3,6,8);echo "\ n";Var_dump ($a > $b);Var_dump ($a = = $b);Var_dump ($a Results:Boolean falseBoolean falseBoolean truePS: Smaller array with fewer members$a =array (1,2,3,6,9);$b =array

Yesterday, colleagues encountered a strange problem, is the following code, can not be validated by JSON, and can not be parsed by PHP's Json_decode function. Copy CodeThe code is as follows: [ { "title": "", "Pinyin": "" } ] Perhaps the smart one

If you use the Base64_encode and Base64_decode methods directly, the resulting string may not be applicable to the URL address. The following methods can be used to resolve the problem: URL-safe string encoding:Copy the Code code as

Copy CodeThe code is as follows: Header ("Content-type:text/html;charset=utf-8"); Database connection $conn = mysql_connect ("localhost", "root", "111") or Die ("Not connnected:". Mysql_error ()); mysql_select_db ("Test", $conn); mysql_query ("Set

In the syntax of the form element, enctype indicates the format of the submitted data Use the Enctype property to specify the type of encoding the browser uses when sending data back to the server. Below is the

For the day IP is not high or the number of concurrent is not a very large application, generally do not consider these! There is absolutely no problem with the normal file operation method. However, if the concurrency is high, when we read and

The D method should be used in a more numerous way, to instantiate a custom model class, is a thinkphp framework for the model class instantiation of a package, and implemented a singleton mode, support cross-project and group calls, the invocation

The usual functions for calculating string lengths in PHP are: strlen and Mb_strlen. When the word embox is an English character, the two are the same. Here the main comparison, the Chinese and English mixed in the time, two calculation

Copy CodeThe code is as follows: /* Picture Verification code file, add and subtract calculation method */ Class imagecode{Private $Jiashu = 0; Addend or meiosisPrivate $JianShu = 0; Summand or MinuendPrivate $YunSuan = '; OperatorPrivate $DeShu =

Recently in a cool dog music lyrics collection found cool dog music lyrics directly browsing are "garbled", their usual words are the LRC format of the text, this cool dog dedicated KRC format is clearly after special treatment, usually with a cool

Get all the subclass methods below the taxonomy: static function Getmenutree ($arrCat, $parent _id = 0, $level = 0, $all =true) { static $arrTree;//Use static instead of global if (! $all) $arrTree = '; if (empty ($arrCat)) return FALSE; $level

can be used $str = Preg_replace ("/]*href=[^>]*>|]*>/i", "", $strhtml); This section to achieve the requirements, if you want more solutions, you can see the following. 1. Delete the hyperlinks in the content Copy CodeThe code is as

One is not filtering the input data (filtering the input), and one is not escaping the data sent to the database (escaped output). These two important steps are indispensable and require special attention at the same time to reduce procedural errors.

A little story about JavaScript, JavaScript story Mom: Netscape Company Formerly: LiveScript Renaming reason: Want to touch Java light Affinity: Take a name called JavaScript, actually not related to Java JavaScript Small Example

ThinkPHP3.1.3 version has some features, it is worth paying attention to, the following simple. 1, abnormal aspects of the improvement The new version of ThinkPHP3.1.3 overrides the Exception class thinkexception (in fact, it is completely

The role of the 1.C methodA. Load settings user's configuration, stored in a static variable $_config in a C function B. Read the user's configuration (read from $_congig) 2. Demand Analysis: 1. Setting variables 1. Two-dimensional arrayCopy the

For the Destoon template, the first thing to understand is the concept of two destoon: Templates(template) and style(skin). The template is stored in the System template directory, the style (image of the system interface, CSS file) is stored in the

The value must be obtained using the obj[xx] method for characters with a key name of numeric or abnormal variables (if there are spaces). Copy CodeThe code is as follows: Declaring JSON data$array = Array (' Result ' =>array ("all" = "90 queue",

VI. Main game Interface (frames.php) frames.php file function is to display the main game screen, first look at the following code: $InLogin = false; $XNova _host = $_server[' http_host '); $XNova _script = $_server[' Script_name ']; $Uri _array

Take the destoonV4.0 system as an example: about/announce/file/config.inc.phpIndex.html The above directory or file must set the writable permission correctly, and when the directory is writable, it must contain all subdirectories and sub-files,