发表新帖
发表新帖

getting all values from h1 tags using php

前端 未结
关注
4 1184
灰色年华
灰色年华 2020-11-30 03:43

I want to receive an array that contains all the h1 tag values from a text

Example, if this where the given input string:

hello
相关标签:
4条回答
  • 傲寒
    2020-11-30 04:04 
     function getTextBetweenH1($string)
 {
    $pattern = "/<h1>(.*?)<\/h1>/";
    preg_match_all($pattern, $string, $matches);
    return ($matches[1]);
 }
    0 讨论(0)
  • 别那么骄傲
    2020-11-30 04:07

    you could use simplehtmldom:

    function getTextBetweenTags($string, $tagname) {
    // Create DOM from string
    $html = str_get_html($string);

    $titles = array();
    // Find all tags 
    foreach($html->find($tagname) as $element) {
        $titles[] = $element->plaintext;
    }
}
    0 讨论(0)
  • 情歌与酒
    2020-11-30 04:10 
    function getTextBetweenTags($string, $tagname){
    $d = new DOMDocument();
    $d->loadHTML($string);
    $return = array();
    foreach($d->getElementsByTagName($tagname) as $item){
        $return[] = $item->textContent;
    }
    return $return;
}
    0 讨论(0)
  • 星月不相逢
    2020-11-30 04:10

    Alternative to DOM. Use when memory is an issue.

    $html = <<< HTML
<html>
<h1>hello<span>world</span></h1>
<p>random text</p>
<h1>title number two!</h1>
</html>
HTML;

$reader = new XMLReader;
$reader->xml($html);
while($reader->read() !== FALSE) {
    if($reader->name === 'h1' && $reader->nodeType === XMLReader::ELEMENT) {
        echo $reader->readString();
    }
}
    0 讨论(0)
 看不清?
提交回复
热议问题