从网页中提取关键字

$meta = get_meta_tags('http://www.cqhshop.com/');

$keywords = $meta['keywords'];

// Split keywords

$keywords = explode(',', $keywords );

// Trim them

$keywords = array_map( 'trim', $keywords );

// Remove empty values

$keywords = array_filter( $keywords );



print_r( $keywords );