Why Isn't My `exec()` Command Working?

Debugging exec() Issues

Facing difficulties with the functionality of the exec() command on your server? This article aims to provide insights and solutions to assist in resolving common debugging challenges.

disable_functions Directive

Ensure that the disable_functions directive in /etc/php.ini does not include exec. If present, remove it and restart Apache to rectify any potential issues.

PHP Header for Enhanced Debugging

For streamlined troubleshooting, incorporate the following PHP header at the start of your file:

#!/usr/bin/php
ini_set("display_errors", 1);
ini_set("track_errors", 1);
ini_set("html_errors", 1);
error_reporting(E_ALL);

Execute the script manually (e.g., ./myscript.php) after granting it execution permissions (chmod x myscript.php) to capture detailed error messages.

Permissions Investigation

Inspect permissions for the executable and its containing folder. Assign 755 permissions (chmod 755) for testing purposes to mitigate any potential permission-related hurdles.

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