if isset

If (isset ($ _ POST [submit]) does it mean to determine whether the variable $ _ POST [submit] is configured? If this variable is in the execution of other code, use if (isset ($ _ POST ['submit ']) { } Difference between if ($ _ POST [submit])

If (isset ($ _ POST [submit]) cannot be executed & lt; formname & quot; adduser & quot; action & quot; dealadduser. php & quot; method & quot; POST & quot; & gt; & nbsp; add Administrator & lt; br & gt; & nbsp; Name: & lt; I if (isset ($ _ POST

If (isset ($ _ POST ['submit ']) cannot be executed & lt; formname = & quot; adduser & quot; action = & quot; dealadduser. php & quot; method = & quot; POST & quot; & gt; if (isset ($ _ POST ['submit ']) cannot be executed If (isset ($ _ POST

If (isset ($ _ POST [submit]) cannot be executed & lt; formname & quot; adduser & quot; action & quot; dealadduser. php & quot; method & quot; POST & quot; & gt; & nbsp; add Administrator & lt; br & gt; & nbsp; Name: & lt; I if (isset ($ _ POST

This should be done with if (Isset ($_post[' submit ')) { } difference between if ($_post[submit]) and if (Isset ($_post[submit)) when submitting a form The first method will show a warning, the second is relatively more rigorous. There is also

Use if (isset ($ _ POST ['submit ']) {}Difference between if ($ _ POST [submit]) and if (isset ($ _ POST [submit]) when submitting a formThe first method produces a warning, and the second method is more rigorous.In addition, it is best to add

if (Isset ($_post[' submit ')) cannot execute if (Isset ($_post[' submit ')) { mysql_connect ("localhost", "root", ""); mysql_select_db ("soft"); mysql_query ("Set character set GBK"); $username =$_post["username"]; $password =$_post["Password"

How to use phpexcel to import excel data. For more information, see use it to read Excel file data and return incorrect information. The code is as follows: /** * Import basic product information */ Public function importProductBasicInfo ($ data ){

Reads the Excel file data and returns the wrong information Copy CodeThe code is as follows: /** * Import Commodity basic information */ Public Function Importproductbasicinfo ($data) { Include_once ' phpexcel.php '; Include_once '

How to Use phpexcel to import excel data. For more information, see use it to read Excel file data and return incorrect information. The Code is as follows: /*** Import basic product information*/Public function importProductBasicInfo ($ data

/*==================== Dkhbasemodel Database Adding and Deleting methods start ================================*///Add a data public function base InsertData ($data) {if (!is_array ($data)) {return $this->seterror ([' errmsg ' = ' data Error '

Rss /****************************************** RSS2.0 Generator* Create by Magicboy (darasion)* Copyright? Magic Boy******************************************/ /*———————————————— How to use:Bring the following array into the corresponding function.

/*************************************** *** RSS2.0 Generator* Create by MagicBoy (darasion)* Copyright? Magic Boy**************************************** **//*----------------Usage:Add the following array to the corresponding function.1. Channel

Some special characters in php are usually used to filter secure data submission or sensitive words. The following describes some common examples for your reference. Some special characters in php are usually used to filter secure data submission or

ExampleWe use preg_replace and str_ireplace to replace The code is as follows:Copy code Public static function filterStr ($ value){If (empty ($ value )){Return "";}$ Value = trim ($ value );$ Badstr = array ("x00", "% 00", "r", "&", "," '"," ",

Just look at the code. Copy Code code as follows: Define (' Hdom_type_element ', 1); Define (' Hdom_type_comment ', 2); Define (' Hdom_type_text ', 3); Define (' Hdom_type_endtag ', 4); Define (' Hdom_type_root ', 5); Define ('

This article describes the request and response usage of YII framework learning. Share to everyone for your reference, specific as follows: The CHttpRequest is provided in Yii and encapsulates the commonly used method of request. The specific code

As the name implies, loaders are loaded elements, when using CI, often loaded with: $this->load->library ()$this->load->view ()$this->load->model ()$this->load->database ()$this->load->helper ()$this->load->config ()$this->load->add_package_path ()

Copy Code code as follows: ? /* PHP generates text PNG pictures, you can call the function by using the following methods: Http://www.yourdomian.com/text_png.php3?msg=helloworld+class&rot=15&size=48&font=fonts/ARIAL. TTF */ Header

: This article mainly introduces how to use PHP to generate dynamic images. For more information about PHP tutorials, see. Many people do not know that php can generate non-HTML data. this is very useful for generating image graphs. it can generate