我可以从mysql提取html段落而不是计算字符吗？

Question

I'm using this code to extract text from the database and it works well. Can I have it extract only the first or second paragraph instead of counting to 640 characters?

$this->data['getshorty'] = utf8_substr(html_entity_decode($product_info['description'], ENT_QUOTES, 'UTF-8'), 0, 640);

Answer 1

Here's a simple solution that should work if your paragraphs are in <p></p> tags:

$fullDescription = html_entity_decode($product_info['description'], ENT_QUOTES, 'UTF-8');
preg_match('/<p\s*>(.)*<\/p\s*>/isU',$fullDescription,$matches);
$this->data['getshorty'] = $matches[0];

Hopefully the regex on the second line makes sense to you, ask if not!

Although parsing HTML with regex is usually considered bad practice, I think for a simple example like this it is fine.