How can the order of CSS pseudo-classes impact the styling of links in PHP-generated content?

The order of CSS pseudo-classes can impact the styling of links in PHP-generated content because the order determines which styles will take precedence. To ensure that the desired styles are applied, it is important to order the pseudo-classes correctly. For example, if you want to style a visited link differently from an unvisited link, the order should be :link, :visited, :hover, :active. 

echo "<style>";
echo "a:link { color: blue; }";
echo "a:visited { color: purple; }";
echo "a:hover { color: red; }";
echo "a:active { color: green; }";
echo "</style>";

Keywords

PHP CSS pseudo-classes styling links

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