What are the advantages of using single quotes versus double quotes for PHP string output in HTML attributes?

When outputting PHP strings in HTML attributes, it is generally recommended to use single quotes instead of double quotes. This is because using double quotes can lead to conflicts with HTML attributes that also use double quotes, resulting in syntax errors. By using single quotes, you can avoid these conflicts and ensure proper rendering of the HTML attributes. 

<?php
$name = "John Doe";
echo '<input type="text" value="' . $name . '">';
?>

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single quotes double quotes PHP string output HTML attributes advantages

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