minor #10774 Add real-world example to separate flags and value (holtkamp)

This PR was submitted for the master branch but it was merged into the 3.4 branch instead (closes #10774).

Discussion
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Add real-world example to separate flags and value

Also see symfony/symfony#29573

Commits
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526b7a7 Add real-world example to separate flags and value

Author: javiereguiluz

components/process.rst

@@ -111,7 +111,8 @@ with a non-zero code)::
     saves you from any escaping and allows sending signals seamlessly
     (e.g. to stop processes before completion.)::
 
-        $process = new Process(['/path/command', '--flag', 'arg 1', 'etc.']);
+        $process = new Process(['/path/command', '--option', 'argument', 'etc.']);
+        $process = new Process(['/path/to/php', '--define', 'memory_limit=1024M', '/path/to/script.php']);
 
     If you need to use stream redirections, conditional execution, or any other
     feature provided by the shell of your operating system, you can also define