Detailed introduction to the implementation of PHP obtaining form data and HTML embedding PHP scripts

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

Commonly used automatic global variables are as follows:

1. GET method

Function: Get the data submitted by get method

Format: $_GET["formelement"]

2. POST method

Function: Get the data submitted by post method

Format: $_POST["formelement"]

##3. REQUEST method

Function: Get data submitted in any way. The $_REQUEST automatic global variable contains all GET, POST, COOKIE and FILE data, if you don’t care about the data source.

Format: $_REQUEST["formelement"]

 

 

  
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