In what scenarios would it be more efficient to handle this logic purely on the server-side with PHP?

In scenarios where the logic involves sensitive data processing, complex calculations, or requires access to server-side resources, it would be more efficient to handle the logic purely on the server-side with PHP. This ensures better security, performance, and control over the data processing. 

// Example of handling sensitive data processing on the server-side with PHP
<?php

// Retrieve sensitive data from the client-side
$sensitiveData = $_POST['sensitive_data'];

// Perform data processing and calculations
$processedData = someSensitiveDataProcessingFunction($sensitiveData);

// Return the processed data to the client-side
echo $processedData;

function someSensitiveDataProcessingFunction($data) {
    // Perform complex calculations or processing here
    return $processedData;
}
?>

Keywords

server-side PHP efficiency logic handling scenarios

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