What are the dangers of using session_start() multiple times in PHP code and how can it lead to unintended consequences?

Using session_start() multiple times in PHP code can lead to unintended consequences such as session data being overwritten or unpredictable behavior. To avoid this issue, it is recommended to call session_start() only once at the beginning of the script. 

<?php
session_start();

// Rest of the PHP code goes here
?>

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session_start PHP code unintended consequences multiple times dangers

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