如何将类添加到第一个段落并跨越到第一个字母

Question

Example

<p>Lorem ipsum dolor sit amet</p>
<p>Morbi elementum odio vel tortor adipiscing vel tempor risus ullamcorper.</p>

I want add class for first paragraph and add span class to the first letter

<p class="first-paragraph"><span class="first-letter">L</span>orem ipsum dolor sit amet</p>

Let me know how can be with PHP

Answer 1

$text = '<p>Lorem ipsum dolor sit amet</p>
<p>Morbi elementum odio vel tortor adipiscing vel tempor risus ullamcorper.</p>';

$text = substr_replace($text, '</span>', 4, 0);
$text = substr_replace($text, '<span class="first-letter">', 3, 0);
$text = substr_replace($text, ' class="first-paragraph"', 2, 0);

echo htmlspecialchars($text);

:-)