how to get return value from python in php it doesn t work

Certainly! Retrieving a return value from a Python script in PHP involves a combination of executing the Python script and capturing its output. Here's a step-by-step tutorial on how to achieve this:
Step 1: Setup Python Script
This script defines a simple function add_numbers that adds two numbers and prints the result.
Step 2: Execute Python Script from PHP
Use the exec function in PHP to run the Python script and capture its output. Create a PHP script (e.g.,
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Certainly! Interfacing Python with PHP to obtain a return value involves invoking Python scripts within PHP code. This interaction can be achieved using several methods, such as using the exec() function or executing Python scripts through command-line interfaces. Below is an informative tutorial explaining the process without including specific code examples:
Python Script Creation: Start by creating a Python script that performs the required functionality and returns a value. Ensure that this script is executable and has proper permissions set.
PHP Integration: In your PHP code, use the exec() function to call the Python script. Pass the necessary arguments (if any) and store the output in a variable.
Handle Return Values: Once the Python script is executed via PHP using exec(), retrieve the returned output and process it as needed in the PHP script.
Python Script Configuration: Prepare a Python script that takes arguments through the command line and returns the desired value.
PHP Integration via Command-Line Execution: Use PHP's shell_exec() or system() function to execute the Python script by forming a command-line instruction. Capture the output generated by the Python script.
Process the Output: Store the output obtained from the Python script execution and utilize it within the PHP script as required.
Security Measures: Ensure proper sanitization and validation of inputs passed between PHP and Python scripts to prevent any security vulnerabilities.
Error Handling: Implement error handling mechanisms in both Python and PHP scripts to manage exceptions, handle failures, and display meaningful error messages when necessary.
Data Formatting: Depending on the data exchanged between Python and PHP, consider formatting conversions for seamless communication and interpretation of returned values.
Permission Settings: Ensure proper permissions are set for both the Python and PHP files to execute