load($html, $isfile);
}
}
public function load($html, $isfile = false){
if(is_array($html)){
if(!isset($html["innerHTML"])){
throw new Exception("(load) Supplied array doesn't contain an innerHTML index");
}
$html = $html["innerHTML"];
}
if($isfile){
$handle = fopen($html, "r");
$fetch = fread($handle, filesize($html));
fclose($handle);
$this->html = $fetch;
}else{
$this->html = $html;
}
$this->strlen = strlen($this->html);
}
public function getloadedhtml(){
return $this->html;
}
public function getElementsByTagName(string $tagname){
$out = [];
/*
Scrape start of the tag. Example
...
*/
if($tagname == "*"){
$tagname = '[A-Za-z0-9._-]+';
}else{
$tagname = preg_quote(strtolower($tagname));
}
preg_match_all(
'/<\s*(' . $tagname . ')(\s(?:[^>\'"]*|"[^"]*"|\'[^\']*\')+)?\s*>/i',
/* '/<\s*(' . $tagname . ')(\s[\S\s]*?)?>/i', */
$this->html,
$starting_tags,
PREG_OFFSET_CAPTURE
);
for($i=0; $i strtolower($starting_tags[1][$i][0]),
"startPos" => $starting_tags[0][$i][1],
"endPos" => 0,
"startTag" => $starting_tags[0][$i][0],
"attributes" => $attributes,
"innerHTML" => null
];
}
/*
Get innerHTML
*/
// get closing tag positions
preg_match_all(
'/<\s*\/\s*(' . $tagname . ')\s*>/i',
$this->html,
$regex_closing_tags,
PREG_OFFSET_CAPTURE
);
// merge opening and closing tags together
for($i=0; $i strtolower($regex_closing_tags[1][$i][0]),
"endTag" => $regex_closing_tags[0][$i][0],
"startPos" => $regex_closing_tags[0][$i][1]
];
}
usort(
$out,
function($a, $b){
return $a["startPos"] > $b["startPos"];
}
);
// compute the indent level for each element
$level = [];
$count = count($out);
for($i=0; $i<$count; $i++){
if(!isset($level[$out[$i]["tagName"]])){
$level[$out[$i]["tagName"]] = 0;
}
if(isset($out[$i]["startTag"])){
// encountered starting tag
$level[$out[$i]["tagName"]]++;
$out[$i]["level"] = $level[$out[$i]["tagName"]];
}else{
// encountered closing tag
$out[$i]["level"] = $level[$out[$i]["tagName"]];
$level[$out[$i]["tagName"]]--;
}
}
// if the indent level is the same for a div,
// we encountered _THE_ closing tag
for($i=0; $i<$count; $i++){
if(!isset($out[$i]["startTag"])){
continue;
}
for($k=$i; $k<$count; $k++){
if(
isset($out[$k]["endTag"]) &&
$out[$i]["tagName"] == $out[$k]["tagName"] &&
$out[$i]["level"]
=== $out[$k]["level"]
){
$startlen = strlen($out[$i]["startTag"]);
$endlen = strlen($out[$k]["endTag"]);
$out[$i]["endPos"] = $out[$k]["startPos"] + $endlen;
$out[$i]["innerHTML"] =
substr(
$this->html,
$out[$i]["startPos"] + $startlen,
$out[$k]["startPos"] - ($out[$i]["startPos"] + $startlen)
);
$out[$i]["outerHTML"] =
substr(
$this->html,
$out[$i]["startPos"],
$out[$k]["startPos"] - $out[$i]["startPos"] + $endlen
);
break;
}
}
}
// filter out ending divs
for($i=0; $i<$count; $i++){
if(isset($out[$i]["endTag"])){
unset($out[$i]);
}
unset($out[$i]["startTag"]);
}
return array_values($out);
}
public function getElementsByAttributeName(string $name, $collection = null){
if($collection === null){
$collection = $this->getElementsByTagName("*");
}elseif(is_string($collection)){
$collection = $this->getElementsByTagName($collection);
}
$return = [];
foreach($collection as $elem){
foreach($elem["attributes"] as $attrib_name => $attrib_value){
if($attrib_name == $name){
$return[] = $elem;
continue 2;
}
}
}
return $return;
}
public function getElementsByFuzzyAttributeValue(string $name, string $value, $collection = null){
$elems = $this->getElementsByAttributeName($name, $collection);
$value = explode(" ", $value);
$return = [];
foreach($elems as $elem){
foreach($elem["attributes"] as $attrib_name => $attrib_value){
$attrib_value = explode(" ", $attrib_value);
$ac = count($attrib_value);
$nc = count($value);
$cr = 0;
for($i=0; $i<$nc; $i++){
for($k=0; $k<$ac; $k++){
if($value[$i] == $attrib_value[$k]){
$cr++;
}
}
}
if($cr === $nc){
$return[] = $elem;
continue 2;
}
}
}
return $return;
}
public function getElementsByAttributeValue(string $name, string $value, $collection = null){
$elems = $this->getElementsByAttributeName($name, $collection);
$return = [];
foreach($elems as $elem){
foreach($elem["attributes"] as $attrib_name => $attrib_value){
if($attrib_value == $value){
$return[] = $elem;
continue 2;
}
}
}
return $return;
}
public function getElementById(string $idname, $collection = null){
$id = $this->getElementsByAttributeValue("id", $idname, $collection);
if(count($id) !== 0){
return $id[0];
}
return false;
}
public function getElementsByClassName(string $classname, $collection = null){
return $this->getElementsByFuzzyAttributeValue("class", $classname, $collection);
}
public function getTextContent($html, $whitespace = false, $trim = true){
if(is_array($html)){
if(!isset($html["innerHTML"])){
throw new Exception("(getTextContent) Supplied array doesn't contain an innerHTML index");
}
$html = $html["innerHTML"];
}
$html = preg_split('/\n|<\/?br>/i', $html);
$out = "";
for($i=0; $i