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Editorial Team
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Asked: 2026-05-30T14:54:40+00:00

I want PHP to send a 10000-character JSON array to a Java program and

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I want PHP to send a 10000-character JSON array to a Java program and get a JSON array in return.

There is the exec() method for calling subprocesses, but I dont know how to reliably pass a long string. I see two methods:

Method 1: Pass the entire string in the commandline. I am worried how to escape a JSON string for the commandline and if it is too much for a Linux commandline to handle. ROFLMAO anyone?

Method 2: Make the java program wait for a \n-terminated string from STDIN. PHP can send the string to the STDIN of that Java program.

What is a good method to pass a long string to a Java subprocess?

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1 Answer

  1. Editorial Team

    Hmm wouldn’t a temporary file as input be the cleanest solution here? Sorry if this won’t suit but it probably would make life easier for debugging too

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