How can changing the Content-Type to "text/plain" help in debugging PHP code that involves string manipulation functions?

Changing the Content-Type to "text/plain" can help in debugging PHP code that involves string manipulation functions by displaying the output in a plain text format, making it easier to read and identify any errors or unexpected results. 

<?php
header('Content-Type: text/plain');

$string = "Hello, World!";
$uppercase = strtoupper($string);
$lowercase = strtolower($string);

echo "Original String: $string\n";
echo "Uppercase: $uppercase\n";
echo "Lowercase: $lowercase\n";
?>

Keywords

Content-Type text/plain debugging PHP code string manipulation functions

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