fwrite() has a Double Tip that is Misplaced

On page 131, the fwrite() function has a TIP that reads:
To read the entire file into a string, use the function filesize().

// file.txt contains the sentence: Hello World!
$filename = 'file.txt';
$file = fopen($filename, 'r');
$string = fread( $file, filesize($filename) );
// file.txt now contains at the end: Hello World!

You’ll notice that this is the same tip as fread() and doesn’t belong. It should be considered ‘removed’.

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