Use PHP's super variable $ _ get to get html Form (Form) Data _ php entry _ script house

Source: Internet
Author: User
When the method of HTML form (HTMLForm) is get, $ _ GET is used to obtain HTMLForm data.

When the method of HTML Form is get, $ _ GET is used to obtain the data of HTML Form.

$ _ GET is one of PHP super variables.

When the method of HTML Form is get, $ _ GET is used to obtain the data of HTML Form.

Obtain the data in the HTML Form text input box (input type = "text ").
The following is an HTML file. This HTML contains an HTML Form, which is mainly used for users to enter their names.
The Code is as follows:

Blablar.com HTML Form Method Get Example





The HTML display interface is as follows:

When you enter a name in the form text box of This HTML file, such as "Jacky", and then click the OK button, it will jump to get. php, as shown in get. php.

The source code of get. php is as follows:
The Code is as follows:

Blablar.com PHP $ _ GET Example

You are .



Obtain the data of the Form Control by taking the name value of the Form Control.

For example, "username" is the name value of the text input box of the Form Control,
The Code is as follows:


You can use $ _ GET ["username"] to obtain the data in the text input box.
The Code is as follows:
Echo $ _ GET ["username"]
?>

Obtain HTML Form (HTML Form) single dataset (input type = "radio") data
You can obtain the value of the single-sheet signature by taking the name value of the single-sheet signature.

The following is an HTML file containing a single sheet. The Code is as follows:
The Code is as follows:

Blablar.com





The figure is as follows:

In this HTML file, select any item, such as "Orange", and click "OK". the browser will jump to radio. php, in radio. the result displayed in php is "Orange ". The source code of radio. php is as follows:
The Code is as follows:

Blablar.com





In $ _ GET ["fruit"], fruit is the name value of the form ticket.

Obtain the data of the HTML Form check box (input type = "checkbox ")
You can select multiple values through the HTML Form check box. Therefore, $ _ GET gets more than one value, which is an array.

When writing the name value of the HTML Form check box, note that [] must be added at the end of the name value.

For example, name = "fruit []":
The Code is as follows:

Blablar.com





Display Results Of This HTML file

If you select Orange and Mango and click OK, the browser will jump to checkbox. php and display the result.

The source code of checkbox. php is as follows:
The Code is as follows:

Blablar.com

Echo count ($ _ GET ["fruit"]),"
";
Foreach ($ _ GET ["fruit"] as $ value)
{Echo $ value ,"
";
}
?>



Use the count function to obtain the number of elements in the array $ _ GET ["fruit"]. If you select two items, the result is 2. Then, use foreach to output $ _ GET ["fruit"] the value of each element, that is, the target value of the user option, Orange and Mango.

The next section describes how to use the PHP super variable $ _ POST to obtain the data of an HTML Form.

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