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Asked: 2026-05-30T11:51:09+00:00

I am writing a web app that will use HTML to display a form.

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I am writing a web app that will use HTML to display a form. Then the user completes the form, and on submit the form is sent to PHP. In the PHP file I have it set up to call and exec() command to a Python file that will return data. But for some reason I am not getting anything back. When I execute the command in terminal it works great, but no response we ran in the web browser.

HTML:

<form id ="nameForm" action="python.php" method="post" target="_blank">
     <label>First Name:</label><input type="text" id="firstName" name="firstName"><br>
     <label>Last Name:</label><input type="text" id="lastName" name="lastName"><br>
     <input type="submit" id="submitName" value="Submit">
</form>

PHP:

$firstName = $_REQUEST['firstName'];
$lastName = $_REQUEST['lastName'];

exec("/opt/http/PythonWeb/web/python pythonName.py " . $firstName . " " . $lastName, $response);

echo $response;

Python: 

import sys

def main():
    firstName = sys.argv[1]
    lastName = sys.argv[2]

    output = ""

    output += "<html>\n"
    output += "  <head><title></title></head>\n"
    output += "  <body>\n"
    output += "      <p>Hi " + firstName + " " + lastName + "</p>\n"
    output += "  </body>\n"
    output += "</html>\n"

    print output

if __name__ == '__main__': main()

Please give me some suggestions as to what may be wrong. I am new to Python, but it’s what the boss man wants… so I am going to make this work. Thanks!

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1 Answer

  1. Editorial Team

    According to this http://www.php.net/manual/en/function.passthru.php, you’re using passthrough in a wrong way. It is for binary data…

    This function should be used in place of exec() or system() when the
    output from the Unix command is binary data which needs to be passed
    directly back to the browser.

    Try Exec().

    Hope I was helpful.

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