Passing variable along with exe in passthru() or system()

[sksingh]

I am writing a php code in which i am trying to implement the following

- I have made a exe program in c++ which takes a string input from the user and then displays the output;

- Now in php, i am calling this program using passthru(), system(). like passthru('/var/php/hash')

- if i pass the string along with it works like passthru('/var/php/hash "hello"')

- but i dont want this, i want user to input a string and then pass that string as variable along with passthru command.

i will be greatfull if someone can help me.

 

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[xeross]

passthru('/var/php/hash "' . $sanitized_variable . '"');

 

But you better make it 100% secure because if there's a leak here I'm sure it can be exploited pretty badly.