How can PHP be used to unescape text in a file efficiently?

When text is escaped in a file (e.g., special characters are encoded), it needs to be unescaped before being displayed or processed further. PHP provides functions like `htmlspecialchars_decode()` or `html_entity_decode()` to efficiently unescape text in a file. These functions can be used to convert HTML entities back to their corresponding characters, making the text readable and usable in PHP applications. 

<?php
$file_contents = file_get_contents('escaped_text.txt');
$unescaped_text = htmlspecialchars_decode($file_contents);
echo $unescaped_text;
?>

Keywords

PHP unescape text file efficiency

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