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PHP method to dynamically execute code_php tips

WBOY
Release： 2016-05-16 19:55:49
Original
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The example in this article describes the method of dynamically executing code in PHP. Share it with everyone for your reference, the details are as follows:

The PHP dynamic execution introduced here means entering the code directly on the page, clicking to execute, and returning the execution results

The method is very simple, mainly using: 

$newfunc = create_function('', $code);
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function to implement.

The code is as follows: 

<&#63;php
$code = 'return "no code!";';
if (isset($_POST['code']) && $_POST['code'] != '')
{
  $code = $_POST['code'];
}
$newfunc = create_function('', $code);
$res = $newfunc();
&#63;>
<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>XXX</title>
  </head>
  <body>
    <form action="run.php" method="POST">
    <textarea name="code" style="width:100%; height:300px;"><&#63;php echo $code &#63;></textarea><br>
    <input type="submit" value="RUN" />
    </form>
    <hr>
    <div><&#63;php echo $res &#63;></div>
  </body>
</html>
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Readers who are interested in more PHP-related content can check out the special topics on this site: "Summary of PHP operating office document skills (including word, excel, access, ppt)", "php date Time usage summary", "php object-oriented programming introductory tutorial", "php string (string) usage summary", "php mysql database operation Introductory tutorial " and " Summary of common PHP database operation skills "

I hope this article will be helpful to everyone in PHP programming.

Related labels：
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