PHP to obtain form data and HTML embedded PHP script implementation, form php

PHP to obtain form data and HTML embedded PHP script implementation, form php

When php accepts information submitted through an HTML form, it saves the submitted data in a Global Array. We can call the system-specific automatic global variable array to obtain these values.

Common automatic global variables are as follows:

1. GET Method

Function:Get the data submitted in get Mode

Format: $ _ GET ["formelement"]

2. POST Method

Function:Obtain data submitted in post Mode

Format:$ _ POST ["formelement"]

3. REQUEST Method

Function:Obtain the data submitted in any way. The $ _ REQUEST automatic global variable contains all the GET, POST, COOKIE, and FILE data. If you do not care about the data source.

Format:$ _ REQUEST ["formelement"]

Check box and list box (the name is in the form of an array, for example, "select []". You can directly use $ _ POST ["select"] to obtain its value)

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