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Editorial Team
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Asked: 2026-06-12T17:29:18+00:00

<?php $output=shell_exec(‘gcc prog.c’); echo $output; ?> I’m trying execute a c program using php

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<?php
$output=shell_exec('gcc prog.c');
echo "$output";
?>

I’m trying execute a c program using php and have used shell_exec to call gcc to execute the program but it is giving no output but there is no error being showed . Can please someone correct the mistake
Thank you in advance.

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1 Answer

  1. Editorial Team

    gcc is used to compile the c file. It doesn’t ‘run’ the .c file. Try it from your command line. You will notice after running gcc prog.c you have a file named ‘a.out’. a.out is the executable that is created from the successful compile of prog.c

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