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Have the function HTML_Elements(str) read the str parameter being passed which will be a string of HTML DOM elements and plain text. The elements that will be used are: b, i, em, div, p. For example: if str is "<div><b><p>hello world</p></b></div>" then t

Zany Zebra answered on February 7, 2023 Popularity 1/10 Helpfulness 1/10

answer Have the function HTML_Elements(str) read the str parameter being passed which will be a string of HTML DOM elements and plain text. The elements that will be used are: b, i, em, div, p. For example: if str is "<div><b><p>hello world</p></b></div>" then t

Have the function HTML_Elements(str) read the str parameter being passed which will be a string of HTML DOM elements and plain text. The elements that will be used are: b, i, em, div, p. For example: if str is "<div><b><p>hello world</p></b></div>" then t

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$div="<div><div><b></b></div></p>";


function sub_str($str, $start, $end)
{
    return substr($str, $start, $end - $start );
}
function find_open_tag($str) {
  
    $open_tags=array(
        "<div>"=>"div",
        "<p>"=>"p",
        "<b>"=>"b",
        "<i>"=>"i",
        "<em>"=>"em",
   
    );
    $closed_tags=array(
        "</div>"=>"<div>",
        "</p>"=>"<p>",
        "</b>"=> "<b>",
        "</i>"=>"<i>",
        "</em>"=>"<em>",
    );
  
    for($i=0;$i<strlen($str);$i++){
        if($open=array_search(sub_str($str,$i,$i+5),$closed_tags)){
            $start=strpos($str,sub_str($str,$i,$i+5)); 
            $end=strpos($str,$open);
            if($end !== false){
                find_open_tag(sub_str($str,$start+5,$end));
            }else {
                return $open_tags[sub_str($str,$i,$i+5)];
            }
            
        }elseif($open=array_search(sub_str($str,$i,$i+4),$closed_tags) ){
            $start=strpos($str,sub_str($str,$i,$i+4)); 
            $end=strpos($str,$open);
            if($end !== false){
                find_open_tag(sub_str($str,$start+4,$end));
            }else {
                return $open_tags[sub_str($str,$i,$i+4)];
            }
        }elseif($open=array_search(sub_str($str,$i,$i+3),$closed_tags) ){
            
            $start=strpos($str,sub_str($str,$i,$i+3)); 
            $end=strpos($str,$open);
            if($end !== false){
                find_open_tag(sub_str($str,$start+3,$end));
            }else {
               
                return $open_tags[sub_str($str,$i,$i+3)];
            }
        }
        
    }
    return false;
}
function StringChallenge($str) {

  
    $closed_tags=array(
        "</div>"=>"<div>",
        "</p>"=>"<p>",
        "</b>"=> "<b>",
        "</i>"=>"<i>",
        "</em>"=>"<em>",
    );

    for($i=0;$i<strlen($str);$i++){
       
        if($open=array_search(sub_str($str,$i,$i+5),$closed_tags)){
            $start=strpos($str,sub_str($str,$i,$i+5)); 
            $end=strpos($str,$open);
            if($value=find_open_tag(sub_str($str,$start+5,$end))){
                return htmlspecialchars($value);
            }
            
            $i=$end;
        }elseif($open=array_search(sub_str($str,$i,$i+4),$closed_tags) ){
            $start=strpos($str,sub_str($str,$i,$i+4)); 
            $end=strpos($str,$open);
            if($value=find_open_tag(sub_str($str,$start+4,$end))){
                return htmlspecialchars($value);
            }
            $i=$end;
        }elseif($open=array_search(sub_str($str,$i,$i+3),$closed_tags) ){
            $start=strpos($str,sub_str($str,$i,$i+3)); 
            $end=strpos($str,$open);
            if($value=find_open_tag(sub_str($str,$start+3,$end))){
                return htmlspecialchars($value);
            }
            $i=$end;
        }
        
    }
    return "true";
  
  }  
// keep this function call here  
echo StringChallenge($div);

Popularity 1/10 Helpfulness 1/10 Language php

Source: stackoverflow.com

Tags: dom elements function html php string

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Contributed on Feb 07 2023

Zany Zebra

0 Answers Avg Quality 2/10

Have the function HTML_Elements(str) read the str parameter being passed which will be a string of HTML DOM elements and plain text. The elements that will be used are: b, i, em, div, p. For example: if str is "<div><b><p>hello world</p></b></div>" then t

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Have the function HTML_Elements(str) read the str parameter being passed which will be a string of HTML DOM elements and plain text. The elements that will be used are: b, i, em, div, p. For example: if str is "<div><b><p>hello world</p></b></div>" then t

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